BR0010920A - Pressure filtration device and method employing a depressurization chamber and material conveyor - Google Patents

Pressure filtration device and method employing a depressurization chamber and material conveyor

Info

Publication number
BR0010920A
BR0010920A BR0010920-7A BR0010920A BR0010920A BR 0010920 A BR0010920 A BR 0010920A BR 0010920 A BR0010920 A BR 0010920A BR 0010920 A BR0010920 A BR 0010920A
Authority
BR
Brazil
Prior art keywords
solid phase
phase material
filtration unit
chamber
depressurization
Prior art date
Application number
BR0010920-7A
Other languages
Portuguese (pt)
Inventor
Jon O Beard
John C Rogers
Original Assignee
Baker Hughes Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Baker Hughes Inc filed Critical Baker Hughes Inc
Publication of BR0010920A publication Critical patent/BR0010920A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • B01D33/60—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for washing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • B01D33/62—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
    • B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/80—Accessories
    • B01D33/804—Accessories integrally combined with devices for controlling the filtration
    • B01D33/808—Accessories integrally combined with devices for controlling the filtration by pressure measuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/20—Pressure-related systems for filters
    • B01D2201/202—Systems for applying pressure to filters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Drying Of Solid Materials (AREA)
  • Filtration Of Liquid (AREA)

Abstract

"DISPOSITIVO DE FILTRAçãO POR PRESSãO E MéTODO EMPREGANDO UMA CâMARA DE DESPRESSURIZAçãO E TRANSPORTE DE MATERIAL". Uma montagem para a separação de um material de fase sólida de uma pasta fluida que compreende uma unidade de filtração pressurizada incluindo um vaso e um meio de filtro. Uma pasta fluida (5) é alimentada para a unidade de filtração (10), onde é separada em um material de fase sólida e um material de fase líquida. A unidade de filtração (10) tem uma saída de sólidos (12) para a descarga do material de fase sólida para um transporte de material (15). O transporte de material (15) movimenta o material de fase sólida para uma câmara de despressurização (20) que tem uma pressão inferior à da unidade de filtração (10). Quando o material de fase sólida entra na câmara de despressurização (20), o mesmo fica exposto à pressão menor daquela câmara. O transporte de material (15) mantém a diferença de pressão entre a unidade de filtração (10) e a câmara (20). Em seguida, o material de fase sólida despressurizado pode ser transportado para outro equipamento para secagem ou outro processamento."PRESSURE AND METHOD FILTERING DEVICE USING A MATERIAL DEPRESSURIZATION AND TRANSPORT CAMERA". An assembly for separating a solid phase material from a slurry comprising a pressurized filtration unit including a vessel and a filter medium. A slurry (5) is fed to the filtration unit (10), where it is separated into a solid phase material and a liquid phase material. The filtration unit (10) has a solids outlet (12) for discharging solid phase material for a material transport (15). The material conveyor (15) moves the solid phase material into a depressurization chamber (20) which has a lower pressure than the filtration unit (10). When solid phase material enters depressurization chamber 20, it is exposed to the lower pressure of that chamber. The material transport (15) maintains the pressure difference between the filtration unit (10) and the chamber (20). The depressurized solid phase material may then be transported to another drying or other processing equipment.

BR0010920-7A 1999-05-24 2000-05-23 Pressure filtration device and method employing a depressurization chamber and material conveyor BR0010920A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13564099P 1999-05-24 1999-05-24
PCT/US2000/014182 WO2000071226A1 (en) 1999-05-24 2000-05-23 Pressure filtration device and method employing a depressurizing chamber and material transport

Publications (1)

Publication Number Publication Date
BR0010920A true BR0010920A (en) 2003-07-01

Family

ID=22468977

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0010920-7A BR0010920A (en) 1999-05-24 2000-05-23 Pressure filtration device and method employing a depressurization chamber and material conveyor

Country Status (8)

Country Link
EP (1) EP1225964A1 (en)
KR (1) KR20020066369A (en)
CN (1) CN1423574A (en)
AU (1) AU5157200A (en)
BR (1) BR0010920A (en)
CA (1) CA2373162A1 (en)
MX (1) MXPA01012034A (en)
WO (1) WO2000071226A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6639104B2 (en) 1999-12-10 2003-10-28 Inca International S.P.A. Process for the recovery of purified terephthalic acid (PTA)
JP2003519205A (en) * 1999-12-29 2003-06-17 インカ インターナショナル エス ピー エイ Method for recovering purified terephthalic acid (PTA)
CN1264599C (en) * 2001-05-15 2006-07-19 三菱化学株式会社 Process for producing compound
DE102006058163A1 (en) * 2006-12-09 2008-06-19 Lurgi Ag Process and plant for the production of crude terephthalic acid
CN101679185B (en) * 2007-05-31 2013-07-10 陶氏意大利公司 Improved process for the recovery of terephthalic acid
DE102012206590A1 (en) 2012-04-20 2013-10-24 Coperion Gmbh Method for operating a rotary valve and rotary valve for performing the method
DE102013211197A1 (en) 2013-06-14 2014-12-18 Coperion Gmbh Rotary valve and conveyor to such a rotary valve

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5489372A (en) * 1977-12-27 1979-07-16 Samurou Yamamoto Pressurizing filter pressing method and its device
US4179043A (en) * 1978-01-03 1979-12-18 Koppers Company, Inc. Rotary valve apparatus
JP2595657B2 (en) * 1988-05-27 1997-04-02 三井石油化学工業株式会社 How to recover crystals from a slurry
US5175355A (en) * 1991-04-12 1992-12-29 Amoco Corporation Improved process for recovery of purified terephthalic acid
US5470473A (en) * 1994-02-17 1995-11-28 Baker Hughes Incorporated Rotary vacuum filtration drum with valved hopper cake treatment means
JPH11179115A (en) * 1997-12-24 1999-07-06 Mitsui Chem Inc Method and apparatus for recovering crystal from slurry

Also Published As

Publication number Publication date
EP1225964A1 (en) 2002-07-31
CA2373162A1 (en) 2000-11-30
WO2000071226A1 (en) 2000-11-30
CN1423574A (en) 2003-06-11
AU5157200A (en) 2000-12-12
KR20020066369A (en) 2002-08-16
MXPA01012034A (en) 2002-05-06
WO2000071226A9 (en) 2002-06-20

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired