CN102698461A - Acid mist recycling method of reaction kettle used for producing aluminium polychlorid and device thereof - Google Patents
Acid mist recycling method of reaction kettle used for producing aluminium polychlorid and device thereof Download PDFInfo
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- CN102698461A CN102698461A CN2012102199735A CN201210219973A CN102698461A CN 102698461 A CN102698461 A CN 102698461A CN 2012102199735 A CN2012102199735 A CN 2012102199735A CN 201210219973 A CN201210219973 A CN 201210219973A CN 102698461 A CN102698461 A CN 102698461A
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Abstract
The invention discloses an acid mist recycling method of a reaction kettle used for producing the aluminum polychlorid and a device of the acid mist recycling method. The recycling method comprises the following steps: after condensing the acid mist of a reaction kettle, the tail gas at 0-40 DEG C is discharged after absorbing HCl gas by at least one-grade acid mist absorbing tower, at least one grade of the acid mist absorbing tower uses water as an absorbing liquid, wherein the HCl concentration of the absorbing liquid after absorbing HCl is not higher than 1wt%; the absorbing liquid is delivered to the reaction kettle for producing water; and the condensate obtained by an acid mist condenser is delivered to the reaction kettle. The device is provided with the acid mist condenser and the at least one grade of acid mist absorbing tower; the acid mist absorbing tower is provided with a circulating pump and an exhaust blower, the acid mist condenser is connected with the reaction kettle through a pipeline; an uncondensed gas outlet of the acid mist condenser is connected with the acid mist absorbing tower; an exhaust port of the acid mist absorbing tower is connected with the exhaust blower through the pipeline to discharge the absorbed tail gas to the atmosphere or the next grade of acid mist absorbing tower; and the acid mist absorbing tower is further provided with the pipeline connected with the reaction kettle.
Description
Technical field
The present invention relates to the acid mist recovery technology field of aluminium polychloride production process, especially relate to a kind of acid mist recovery method of producing aluminium polychloride with agitated reactor; The invention still further relates to a kind of acid mist retracting device of producing aluminium polychloride with agitated reactor.
Background technology
The production technology of existing aluminium polychloride often adopts acid to dissolve method, in agitated reactor, adds chemical reactants such as hydrochloric acid, aluminiferous material, conditioning agent, water during production, under 95～100 ℃ temperature, reacts.In course of reaction, hydrochloric acid produces acid mist through heating, and acid mist is made up of HCL gas and water vapour, needs in the production process this acid mist is carried out reclaiming clean, to reduce the pollution to environment.Present processing method is with the condensed tail gas of this acid mist, absorbs with aqueous slkali again, and alkali and HCL reaction back generate salt, and this part acid can not be utilized effectively.
Summary of the invention
In order to overcome the defective of prior art, on the one hand, the present invention provides a kind of acid mist recovery method of producing aluminium polychloride with agitated reactor, and it can reclaim hydrochloric acid, and elimination or reduction acid mist absorb the consumption of liquid caustic soda when reclaiming.
In order to solve the problems of the technologies described above, production aluminium polychloride provided by the invention may further comprise the steps with the acid mist recovery method of agitated reactor: produce aluminium polychloride with the acid mist of agitated reactor after the acid mist condenser condenses, exhaust temperature is 0～40 ℃; Tail gas is through discharge behind the one-level acid fog absorption tower absorption HCl gas at least; It is characterized in that: the said acid fog absorption tower first order at least adopts water as absorption liquid; The concentration of absorption liquid HCl behind the absorption HCl is not higher than 1wt%; Said absorption liquid is sent to after absorbing HCl to be produced aluminium polychloride and makes industrial water in agitated reactor and use, and the condensate liquid that said acid mist condenser obtains is sent to the production aluminium polychloride with in the agitated reactor.
Preferably; Production aluminium polychloride provided by the invention is with the acid mist recovery method of agitated reactor; Said acid fog absorption tower is secondary at least; At least afterbody use 5 wt %～10wt% alkali lye as absorption liquid, said alkali lye is the aqueous solution of one or more mixtures in NaOH, potassium hydroxide, barium hydroxide, the hydration ammonia.
Preferably, production aluminium polychloride provided by the invention is with the acid mist recovery method of agitated reactor, and the condensate outlet of said acid mist condenser has the condensate liquid fluid-tight, and the condensate outlet pipeline does not use the throttling measure, and condensate liquid is discharged in said condenser continuously.
On the other hand, the present invention's technical problem that will solve is: a kind of acid mist retracting device that can acid mist be recycled, reduce production aluminium polychloride that hydrochloric acid consumes with agitated reactor is provided.
In order to solve the problems of the technologies described above, production aluminium polychloride provided by the invention is with the acid mist retracting device of agitated reactor, and the basic technical scheme of taking is: produce the acid mist retracting device of aluminium polychloride with agitated reactor, have the acid mist condenser; At least one-level acid fog absorption tower; The circulating pump of acid fog absorption tower and air exhauster; The acid mist import that is positioned at the acid mist condenser overhead is connected with the acid mist outlet of production aluminium polychloride with agitated reactor through pipeline; The not noncondensing gas outlet that is positioned at the acid mist condenser is connected with the air inlet that is positioned at first order acid fog absorption tower bottom through pipeline; The exhaust outlet that is positioned at the acid fog absorption tower top is connected with air exhauster, will enters atmosphere or next stage acid fog absorption tower through the tail gas after the absorption through pipeline, and first order acid fog absorption tower has the connection pipeline of absorption liquid in the tower being imported said agitated reactor at least.
Further; The production aluminium polychloride also has condensate storage with the acid mist retracting device of agitated reactor; The condensate outlet that is positioned at said acid mist condenser bottom is connected with said condensate storage through pipeline, forms fluid-tight below the liquid level of the port of export immersion condensate storage of connection pipeline.
Further, produce the acid mist retracting device of aluminium polychloride with agitated reactor, its condensate storage also has the connection pipeline of condensate liquid being imported said agitated reactor.
Further, produce the acid mist retracting device of aluminium polychloride with agitated reactor, its acid fog absorption tower is secondary at least; Back one-level acid fog absorption tower also has the connection pipeline with absorption liquid input previous stage acid fog absorption tower in the tower; First order acid fog absorption tower has the connection pipeline of absorption liquid in the tower being imported said agitated reactor.
Further; Produce the acid mist retracting device of aluminium polychloride with agitated reactor; Its acid fog absorption tower
is secondary at least, and said acid fog absorption tower has the connection pipeline of absorption liquid in the tower being imported said agitated reactor.
Further, produce the acid mist retracting device of aluminium polychloride with agitated reactor, the level acid fog absorption tower does not also have the pipeline that discharges absorption liquid at least.
The beneficial effect that the present invention brings: the production aluminium polychloride that provides is with the acid mist recovery method and the device thereof of agitated reactor; Water or alkaline solution are absorbed the HCL gas in the acid mist,, adsorbed the aqueous solution of HCL gas when making when using water as absorption liquid; The pipeline that is connected with agitated reactor through acid fog absorption tower gets in the agitated reactor; Substitute clear water and use, practice thrift in the aluminium polychloride production process with acid and alkali charge, pact can reduce hydrochloric acid consumption 5% in the use.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the embodiment of the invention 1 acid mist retracting device;
Fig. 2 is the structural representation of the embodiment of the invention 2 acid mist retracting devices.
The specific embodiment
Production aluminium polychloride as shown in Figure 1 has condensate storage 2 with the acid mist retracting device of agitated reactor; Acid mist condenser 3; First order acid fog absorption tower 4; Second level acid fog absorption tower 7; The circulating pump 5 of first order acid fog absorption tower; The circulating pump 9 of second level acid fog absorption tower; The air exhauster 6 of first order acid fog absorption tower; The air exhauster 8 of second level acid fog absorption tower.The acid mist import that is positioned at acid mist condenser 3 tops through pipeline and the acid mist outlet of producing the agitated reactor 1 that aluminium polychloride uses be connected; The not noncondensing gas outlet that is positioned at acid mist condenser 3 bottoms is connected with the air inlet that is positioned at first order acid fog absorption tower 4 bottoms through pipeline; The condensate outlet that is positioned at acid mist condenser 3 bottoms is connected with condensate storage 2 through pipeline; Its port of export that connects pipeline immerses the following formation of the liquid level fluid-tight of condensate storage 2; Do not adopt throttling devices such as mounted valve on the condensate collector tube road, the condensation fluid power that acid mist condenser 3 is produced is discharged continuously, eliminates condensate liquid hydrops in condenser 3; Improve heat exchange efficiency, reduce the water consumption; Condensate storage 2 also is connected with agitated reactor 1 through pipeline, and the condensate liquid of collecting is sent in the agitated reactor 1, substitutes part hydrochloric acid and uses.The exhaust outlet that is positioned at first order acid fog absorption tower 4 tops is connected with the air exhauster 6 of first order acid fog absorption tower 4, will sends into second level acid fog absorption tower 7 by the air inlet that is positioned at second level acid fog absorption tower 7 bottoms through the tail gas after the absorption through pipeline; The exhaust outlet that is positioned at second level acid fog absorption tower 7 tops is connected with the air exhauster 8 of second level acid fog absorption tower 7, will enters atmosphere by air exhauster 8 through the tail gas after the absorption through pipeline.The circulating pump 5 of first order acid fog absorption tower 4 is connected through pipeline with the absorption liquid case of first order acid fog absorption tower 4 bottoms; Absorption liquid is sent to the shower in the first order acid fog absorption tower 4; The outlet of the circulating pump 5 of first order acid fog absorption tower 4 also has the pipeline that is connected with agitated reactor 1; First order acid fog absorption tower 4 is connected with agitated reactor 1, the absorption fluid power in the first order acid fog absorption tower 4 is entered in the agitated reactor 1; The circulating pump 9 of second level acid fog absorption tower 7 is connected through pipeline with the absorption liquid case of second level acid fog absorption tower 7 bottoms; Absorption liquid is sent to the shower in the second level acid fog absorption tower 7; The outlet of the circulating pump 9 of second level acid fog absorption tower 7 also has the pipeline that is connected with the absorption liquid import of first order acid fog absorption tower 4; Second level acid fog absorption tower 7 is connected with first order acid fog absorption tower 4; Absorption fluid power in the second level acid fog absorption tower 7 is entered in the first order acid fog absorption tower 4, after first order acid fog absorption tower 4 absorbs HCL gas, can enter in the agitated reactor 1.The outlet of the circulating pump 9 of second level acid fog absorption tower 7 also has the pipeline that discharges absorption liquid.
Production aluminium polychloride as shown in Figure 2 has condensate storage 2 with the acid mist retracting device of agitated reactor; Acid mist condenser 3; First order acid fog absorption tower 4; Second level acid fog absorption tower 7; The circulating pump 5 of first order acid fog absorption tower; The circulating pump 9 of second level acid fog absorption tower; The air exhauster 6 of first order acid fog absorption tower; The air exhauster 8 of second level acid fog absorption tower.The acid mist import that is positioned at acid mist condenser 3 tops through pipeline and the acid mist outlet of producing the agitated reactor 1 that aluminium polychloride uses be connected; The not noncondensing gas outlet that is positioned at acid mist condenser 3 bottoms is connected with the air inlet that is positioned at first order acid fog absorption tower 4 bottoms through pipeline, and the condensate outlet that is positioned at acid mist condenser 3 bottoms is connected with condensate storage 2 through pipeline; Condensate storage 2 also is connected with agitated reactor 1 through pipeline, and the condensate liquid of collecting is sent in the agitated reactor 1, substitutes part hydrochloric acid and uses.The exhaust outlet that is positioned at first order acid fog absorption tower 4 tops is connected with the air exhauster 6 of first order acid fog absorption tower, will sends into second level acid fog absorption tower 7 by the air inlet that is positioned at second level acid fog absorption tower 7 bottoms through the tail gas after the absorption through pipeline; The exhaust outlet that is positioned at second level acid fog absorption tower 7 tops is connected with the air exhauster 8 of second level acid fog absorption tower, will enters atmosphere by the air exhauster 8 of second level acid fog absorption tower through the tail gas after the absorption through pipeline; The circulating pump 5 of first order acid fog absorption tower 4 is connected through pipeline with the absorption liquid case of first order acid fog absorption tower 4 bottoms; Absorption liquid is sent to the shower in the first order acid fog absorption tower 4; The outlet of the circulating pump 5 of first order acid fog absorption tower 4 also has the pipeline that is connected with agitated reactor 1; First order acid fog absorption tower 4 is connected with agitated reactor 1, the absorption fluid power in the first order acid fog absorption tower 4 is entered in the agitated reactor 1; The circulating pump 9 of second level acid fog absorption tower 7 is connected through pipeline with the absorption liquid case of second level acid fog absorption tower 7 bottoms; Absorption liquid is sent to the shower in the second level acid fog absorption tower 7; The outlet of the circulating pump 9 of second level acid fog absorption tower 7 also has the pipeline that is connected with agitated reactor 1; Second level acid fog absorption tower 7 is connected with agitated reactor 1, the absorption fluid power in the second level acid fog absorption tower 7 is entered in the agitated reactor 1; The absorption liquid case of the absorption liquid case of first order acid fog absorption tower 4 bottoms, second level acid fog absorption tower 7 bottoms also has the pipeline of outside discharging absorption liquid.
Except that above embodiment, acid fog absorption tower can be arranged to one-level or more than the secondary, have identical or close technique effect, and " level " number is meant the number of times of acid mist tail gas through acid fog absorption tower among the present invention.During production; Preferred water is as absorption liquid in the acid fog absorption tower, and absorption liquid preferably adopts circulated in countercurrent to utilize mode: in the afterbody acid fog absorption tower, add fresh water, the absorption liquid in the back one-level acid fog absorption tower is sent in the previous stage acid fog absorption tower makes absorption liquid; Absorption liquid in the first order acid fog absorption tower is sent in the agitated reactor 1; Substitute hydrochloric acid and clear water and use, save hydrochloric acid and heat energy, help acid mist tail gas simultaneously and accomplish qualified discharge.Also can use alkali lye to make absorption liquid, and in the first order or begin several grades acid fog absorption tower and make and use water as absorption liquid, can save the consumption of salt bronsted lowry acids and bases bronsted lowry, and the acid mist tail gas that helps discharging reach more excellent discharge standard at not level or last several grades acid fog absorption tower.
Embodiment 1: produce aluminium polychloride with the acid mist of agitated reactor 1 after 3 condensations of acid mist condenser, exhaust temperature is 20 ℃; Tail gas is discharged after first order acid fog absorption tower 4 and second level acid fog absorption tower 7 absorb HCl gas; First order acid fog absorption tower 4 adopts water as absorption liquid with second level acid fog absorption tower 7; In second level acid fog absorption tower 7, add fresh water; Absorption liquid in the second level acid fog absorption tower 7 is made absorption liquid in circulating pump 9 is sent to first acid fog absorption tower 4; The concentration that absorbs the aqueous solution HCl behind the HCl is not higher than 1wt%, and the absorption liquid in the first order acid fog absorption tower 4 is sent to through circulating pump 5 and produces aluminium polychloride and make industrial water in agitated reactor 1 and use, and the condensate liquid that acid mist condenser 3 obtains is sent to the production aluminium polychloride with in the agitated reactor 1.The HCl content of discharging through test tail gas is 13.2mg/m
3Can reduce hydrochloric acid when producing aluminium polychloride and consume 5.2%.
Embodiment 2: produce aluminium polychloride with the acid mist of agitated reactor 1 after 3 condensations of acid mist condenser, exhaust temperature is 40 ℃; Tail gas is discharged after first order acid fog absorption tower 4 and second level acid fog absorption tower 7 absorb HCl gas; First order acid fog absorption tower 4 adopts water as absorption liquid; The concentration of aqueous solution HCl behind the absorption HCl is not higher than 1wt%; Absorption liquid in the first order acid fog absorption tower 4 enters in the agitated reactor 1, substitutes hydrochloric acid and clear water and uses; The sodium hydrate aqueous solution that second level acid fog absorption tower 7 uses 5wt% can discharge after the absorption of the absorption liquid of second level acid fog absorption tower 7 is saturated as absorption liquid, and the condensate liquid that acid mist condenser 3 obtains is sent to produces aluminium polychloride with in the agitated reactor 1.The HCl content of discharging through test tail gas is 15.78mg/m
3Can reduce hydrochloric acid when producing aluminium polychloride and consume 4.9%.
Embodiment 3: produce aluminium polychloride with the acid mist of agitated reactor 1 after 3 condensations of acid mist condenser, exhaust temperature is 0 ℃; Tail gas is discharged after first order acid fog absorption tower 4 and second level acid fog absorption tower 7 absorb HCl gas; First order acid fog absorption tower 4 adopts water as absorption liquid; The concentration of absorption liquid HCl behind the absorption HCl is not higher than 1wt%; Absorption liquid in the first order acid fog absorption tower 4 enters in the agitated reactor 1, substitutes hydrochloric acid and clear water and uses; The potassium hydroxide aqueous solution that second level acid fog absorption tower 7 uses 10wt% can discharge after the absorption of the absorption liquid of second level acid fog absorption tower 7 is saturated as absorption liquid, and the condensate liquid that acid mist condenser 3 obtains is sent to produces aluminium polychloride with in the agitated reactor 1.The HCl content of discharging through test tail gas is 4.47mg/m
3Can reduce hydrochloric acid when producing aluminium polychloride and consume 5%.
Embodiment 4: produce aluminium polychloride with the acid mist of agitated reactor 1 after 3 condensations of acid mist condenser, exhaust temperature is 25 ℃; Tail gas is discharged after first acid fog absorption tower 4 and second level acid fog absorption tower 7 absorb HCl gas; First order acid fog absorption tower 4 adopts water as absorption liquid; The concentration of absorption liquid HCl behind the absorption HCl is not higher than 1wt%; Absorption liquid in the first order acid fog absorption tower 4 enters in the agitated reactor 1, substitutes hydrochloric acid and clear water and uses; The baryta water that second level acid fog absorption tower 7 uses 7wt% can discharge after the absorption of the absorption liquid of second level acid fog absorption tower 7 is saturated as absorption liquid, and the condensate liquid that acid mist condenser 3 obtains is sent to produces aluminium polychloride with in the agitated reactor.The HCl content of discharging through test tail gas is 6.82mg/m
3Can reduce hydrochloric acid when producing aluminium polychloride and consume 5.1%.
Embodiment 5: produce aluminium polychloride with the acid mist of agitated reactor 1 after 3 condensations of acid mist condenser, exhaust temperature is 30 ℃; Tail gas is discharged after first order acid fog absorption tower 4 and second level acid fog absorption tower 7 absorb HCl gas; First order acid fog absorption tower 4 adopts water as absorption liquid; The concentration of aqueous solution HCl behind the absorption HCl is not higher than 1wt%; Absorption liquid in the first order acid fog absorption tower 4 enters in the agitated reactor 1, substitutes hydrochloric acid and clear water and uses; The aqueous solution of the hydration ammonia of second level acid fog absorption tower 7 use 7wt% can outwards discharge after the absorption of the absorption liquid of second level acid fog absorption tower 7 is saturated as absorption liquid, and the condensate liquid that acid mist condenser 3 obtains is sent to produces aluminium polychloride with in the agitated reactor 1.The HCl content of discharging through test tail gas is 7.96mg/m
3Can reduce hydrochloric acid when producing aluminium polychloride and consume 5.3%.
The above is merely the preferred embodiments of the present invention, and does not limit the present invention in any way, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. acid mist recovery method of producing aluminium polychloride with agitated reactor may further comprise the steps: produce aluminium polychloride with the acid mist of agitated reactor after the acid mist condenser condenses, exhaust temperature is 0～40 ℃; Tail gas is through discharge behind the one-level acid fog absorption tower absorption HCl gas at least; It is characterized in that: the said acid fog absorption tower first order at least adopts water as absorption liquid; The concentration of absorption liquid HCl behind the absorption HCl is not higher than 1wt%; Said absorption liquid is sent to after absorbing HCl to be produced aluminium polychloride and makes industrial water in agitated reactor and use, and the condensate liquid that said acid mist condenser obtains is sent to the production aluminium polychloride with in the agitated reactor.
2. acid mist recovery method according to claim 1; It is characterized in that: said acid fog absorption tower is secondary at least; At least afterbody use 5 wt %～10wt% alkali lye as absorption liquid, said alkali lye is the aqueous solution of one or more mixtures in NaOH, potassium hydroxide, barium hydroxide, the hydration ammonia.
3. acid mist recovery method according to claim 1 is characterized in that: the condensate outlet of said acid mist condenser has the condensate liquid fluid-tight, and the condensate outlet pipeline does not use the throttling measure, and condensate liquid is discharged in said condenser continuously.
4. an acid mist retracting device of realizing the said acid mist recovery method of claim 1 has acid mist condenser (3); At least one-level acid fog absorption tower (4,7); Circulating pump of acid fog absorption tower (5,9) and air exhauster (6,8); The acid mist import that is positioned at acid mist condenser (3) top is connected with the acid mist outlet of production aluminium polychloride with agitated reactor (1) through pipeline; The not noncondensing gas outlet that is positioned at acid mist condenser (3) bottom is connected with the air inlet that is positioned at first order acid fog absorption tower (4) bottom through pipeline; The exhaust outlet that is positioned at the acid fog absorption tower top is connected with air exhauster (6,8), will enters atmosphere or next stage acid fog absorption tower through the tail gas after the absorption through pipeline, and it is characterized in that: first order acid fog absorption tower (4) has the connection pipeline of absorption liquid in the tower being imported said agitated reactor (1) at least.
5. acid mist retracting device according to claim 4; It is characterized in that: also have condensate storage (2); The condensate outlet that is positioned at said acid mist condenser (3) bottom is connected with said condensate storage (2) through pipeline, forms fluid-tight below the liquid level of the port of export immersion condensate storage (2) of connection pipeline.
6. acid mist retracting device according to claim 5 is characterized in that: said condensate storage (2) also has the connection pipeline of condensate liquid being imported said agitated reactor (1).
7. acid mist retracting device according to claim 4 is characterized in that: said acid fog absorption tower
is secondary at least; Back one-level acid fog absorption tower (7) also has the connection pipeline with absorption liquid input previous stage acid fog absorption tower (4) in the tower; First order acid fog absorption tower (4) has the connection pipeline of absorption liquid in the tower being imported said agitated reactor (1).
8. acid mist retracting device according to claim 4; It is characterized in that: said acid fog absorption tower
is secondary at least, and said acid fog absorption tower has the connection pipeline of absorption liquid in the tower being imported said agitated reactor (1).
9. acid mist retracting device according to claim 4 is characterized in that: the level acid fog absorption tower does not also have the pipeline that discharges absorption liquid at least.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104415645A (en) * | 2013-08-31 | 2015-03-18 | 福建豪邦化工有限公司 | System for preparing dichloropropanol |
| CN104743588A (en) * | 2013-12-31 | 2015-07-01 | 重庆蓝洁广顺净水材料有限公司 | Environment-friendly and clean solid polyaluminium chloride production device |
| CN105381687A (en) * | 2015-11-24 | 2016-03-09 | 嘉善绿野环保材料厂(普通合伙) | Absorption tower for producing polyaluminium chloride |
| CN106040031A (en) * | 2016-08-05 | 2016-10-26 | 罗光洲 | Concentrated sulfuric acid dilution automatic control production line |
| CN108341477A (en) * | 2018-02-09 | 2018-07-31 | 无锡日月水处理有限公司 | The method of Combined Treatment industrial emissions |
| CN109260897A (en) * | 2018-11-30 | 2019-01-25 | 天津市腾源环保科技有限公司 | A kind of processing method for preparing aluminium polychloride and generating exhaust gas in the process |
| CN112850769A (en) * | 2020-12-09 | 2021-05-28 | 常熟华虞环境科技有限公司 | Closed reaction preparation process of liquid calcium chloride |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104415645A (en) * | 2013-08-31 | 2015-03-18 | 福建豪邦化工有限公司 | System for preparing dichloropropanol |
| CN104743588A (en) * | 2013-12-31 | 2015-07-01 | 重庆蓝洁广顺净水材料有限公司 | Environment-friendly and clean solid polyaluminium chloride production device |
| CN104743588B (en) * | 2013-12-31 | 2017-10-20 | 重庆蓝洁广顺净水材料有限公司 | The solid polyaluminium chloride process units of environment-protecting clean |
| CN105381687A (en) * | 2015-11-24 | 2016-03-09 | 嘉善绿野环保材料厂(普通合伙) | Absorption tower for producing polyaluminium chloride |
| CN106040031A (en) * | 2016-08-05 | 2016-10-26 | 罗光洲 | Concentrated sulfuric acid dilution automatic control production line |
| CN106040031B (en) * | 2016-08-05 | 2018-12-28 | 珠海市裕洲环保科技有限公司 | A kind of diluting concentrated sulfuric acid automatic control production line |
| CN108341477A (en) * | 2018-02-09 | 2018-07-31 | 无锡日月水处理有限公司 | The method of Combined Treatment industrial emissions |
| CN109260897A (en) * | 2018-11-30 | 2019-01-25 | 天津市腾源环保科技有限公司 | A kind of processing method for preparing aluminium polychloride and generating exhaust gas in the process |
| CN112850769A (en) * | 2020-12-09 | 2021-05-28 | 常熟华虞环境科技有限公司 | Closed reaction preparation process of liquid calcium chloride |
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Application publication date: 20121003 |