GB2215327B - Ph controller - Google Patents
Ph controllerInfo
- Publication number
- GB2215327B GB2215327B GB8805750A GB8805750A GB2215327B GB 2215327 B GB2215327 B GB 2215327B GB 8805750 A GB8805750 A GB 8805750A GB 8805750 A GB8805750 A GB 8805750A GB 2215327 B GB2215327 B GB 2215327B
- Authority
- GB
- United Kingdom
- Prior art keywords
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/1806—Stationary reactors having moving elements inside resulting in a turbulent flow of the reactants, such as in centrifugal-type reactors, or having a high Reynolds-number
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0086—Processes carried out with a view to control or to change the pH-value; Applications of buffer salts; Neutralisation reactions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/1887—Stationary reactors having moving elements inside forming a thin film
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
- G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00177—Controlling or regulating processes controlling the pH
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/18—Details relating to the spatial orientation of the reactor
- B01J2219/185—Details relating to the spatial orientation of the reactor vertical
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8805750A GB2215327B (en) | 1988-03-10 | 1988-03-10 | Ph controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8805750A GB2215327B (en) | 1988-03-10 | 1988-03-10 | Ph controller |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8805750D0 GB8805750D0 (en) | 1988-04-07 |
GB2215327A GB2215327A (en) | 1989-09-20 |
GB2215327B true GB2215327B (en) | 1991-09-25 |
Family
ID=10633206
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8805750A Expired - Fee Related GB2215327B (en) | 1988-03-10 | 1988-03-10 | Ph controller |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2215327B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07507630A (en) * | 1992-06-01 | 1995-08-24 | シンシナティ・ミラクロン・インコーポレーテッド | Methods for monitoring and controlling metalworking fluids |
DE4300388C2 (en) * | 1993-01-09 | 1995-03-16 | Metallgesellschaft Ag | Process for the continuous adjustment and control of the pH of an acidic liquid, in which the continuous measurement of the pH takes place with a glass electrode |
DE19828742A1 (en) | 1998-06-27 | 1999-12-30 | Basf Coatings Ag | Taylor reactor comprising vertical rotor and wall in relative rotation, defining constant, divergent or convergent annular gap |
AUPR391401A0 (en) * | 2001-03-22 | 2001-04-12 | Ceramic Fuel Cells Limited | Liquid phase reactor |
DE10149015B4 (en) | 2001-10-04 | 2005-04-14 | Basf Coatings Ag | Continuous bulk polymerization process and Taylor reactor for its operation |
-
1988
- 1988-03-10 GB GB8805750A patent/GB2215327B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB8805750D0 (en) | 1988-04-07 |
GB2215327A (en) | 1989-09-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19930310 |