WO2015103172A1 - Solid-liquid separations with a no-dry rotary pressure filter - Google Patents

Solid-liquid separations with a no-dry rotary pressure filter Download PDF

Info

Publication number
WO2015103172A1
WO2015103172A1 PCT/US2014/072629 US2014072629W WO2015103172A1 WO 2015103172 A1 WO2015103172 A1 WO 2015103172A1 US 2014072629 W US2014072629 W US 2014072629W WO 2015103172 A1 WO2015103172 A1 WO 2015103172A1
Authority
WO
WIPO (PCT)
Prior art keywords
solid
filter cake
filter
zone
reslurrying
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.)
Ceased
Application number
PCT/US2014/072629
Other languages
English (en)
French (fr)
Inventor
Thomas M. Bartos
Timothy Keyes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BP Corp North America Inc
Original Assignee
BP Corp North America 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 BP Corp North America Inc filed Critical BP Corp North America Inc
Priority to JP2016544099A priority Critical patent/JP2017502966A/ja
Priority to MX2016008550A priority patent/MX387956B/es
Priority to CA2934279A priority patent/CA2934279A1/en
Priority to PL14827389T priority patent/PL3089804T3/pl
Priority to CN201480071785.XA priority patent/CN105873655B/zh
Priority to KR1020167020052A priority patent/KR102396225B1/ko
Priority to RU2016127631A priority patent/RU2687433C2/ru
Priority to EP14827389.9A priority patent/EP3089804B1/en
Priority to BR112016015319A priority patent/BR112016015319A2/pt
Publication of WO2015103172A1 publication Critical patent/WO2015103172A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • 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
    • B01D33/06—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
    • B01D33/62—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C63/00—Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C07C63/14—Monocyclic dicarboxylic acids
    • C07C63/15—Monocyclic dicarboxylic acids all carboxyl groups bound to carbon atoms of the six-membered aromatic ring
    • C07C63/26—1,4 - Benzenedicarboxylic acid

Definitions

  • the present teachings relate generally to solid-liquid separation processes, and in particular, to a solid-liquid separation process utilizing a rotary pressure filter.
  • Rotary pressure filter have been designed to perform more than one of the steps of a multiple-stage separation technique in a single piece of equipment. For example, known rotary pressure filters perform a filtration to form a filter cake, followed by a washing of the filter cake. The washed filter cake is then dried before leaving the rotary pressure filter,
  • a process for recovering a solid product from a solid/liquid mixture includes filtering a solid/liquid mixture to form a filter cake in a first solid-liquid separation zone,
  • the filter cake comprises the solid product.
  • the first solid-liquid separation zone comprises a rotary pressure filter apparatus configured to apply a pressure differential across at least one filter member, and the filter cake is formed on the filter member.
  • the filter cake is then washed with fluid in the rotary filter apparatus to form a wet filter cake.
  • the wet filter cake is transferred to a reslurrying zone and mixed with a reslurrying fluid to form a slurry.
  • the slurry is transferred to a second solid/liquid separation zone where the solid product is separated from the slurry.
  • FIG. 1 shows a process flow diagram for a solid-liquid in accordance with one embodiment of the present invention.
  • FIG. 2 shows a cross-section of a rotary pressure filter apparatus that is suitable for use in one embodiment of the process according to the present invention.
  • the present invention is directed an highly effective multi-stage process for recovering a solid product from a solid/liquid mixture.
  • the process is configured to reduce the capital expenditure for equipment and variable costs when compared with conventional processes.
  • the process comprises filtering a solid/liquid mixture to form a filter cake comprising the solid product on a filter member in a rotary pressure filter apparatus configured to apply a pressure differential across the filter member, the rotary pressure fiiter apparatus defining a first solid/liquid separation zone; washing the filter cake with a wash fluid in the rotary filter apparatus to form a wet filter cake; transferring the wet filter cake to a res!urr ing zone and mixing the wet filter cake with a resiurrying fluid to form a slurry; transferring the slurry to a solid/liquid separation zone and separating the solid product from the slurry.
  • the wet filter cake is transferred from the rotary pressure filter apparatus to the resiurrying zone without drying,
  • the rotary pressure fsiter apparatus is configured to operate without a drying zone.
  • the solid product is a pharmaceutical or a food component product.
  • the solid product is a chemical, or in particular, a petrochemical
  • the product is an aromatic hydrocarbon such as paraxylene.
  • the product is an aromatic carboxylic acid, such as terephthalic acid.
  • the process may be incorporated into new manufacturing plants, or may be retrofitted into existing manufacturing plants by replacing existing equipment, such as centrifuges, washers, and dryers, with a rotary pressure filter apparatus configured to operate with a filtering zone and a washing zone, but not with a drying zone.
  • existing equipment such as centrifuges, washers, and dryers
  • the process in accordance with the present invention eliminates the need to install a centrifuge and incur the associated electricity costs.
  • the process also enables filtering and washing on a single piece of equipment.
  • FIG. 1 a multi-stage process for separating a solid product from a solid-liquid mixture in accordance with one embodiment of the invention is shown generally at 100.
  • a solid-liquid mixture is fed via 110 into a first solid/liquid separation zone comprising a pump 104 and a rotary pressure filter apparatus 112.
  • the solid-liquid mixture in line 1 10 may comprise effluent from upstream equipment (not shown) that discharges the solid-liquid mixture, for example, from a crystallizer, a resiurrying vesse!, a chemical reactor, or a mixer.
  • the solid may be present in any concentration in the solid-liquid mixture, In one embodiment, the solid component comprises 40 to 50 wt% of the solid-liquid mixture.
  • the rotary pressure filter apparatus 112 operates under a positive pressure to filter and remove the liquid from the solid and collect the solid for further processing.
  • Rotary pressure filter apparatus are generally known in the art and are disclosed, for example, in US Pat Nos. 2,741 ,389, 7,807,060 and US Pat. App. 20050051473.
  • FIG. 2 illustrates one embodiment of a rotary pressure filter apparatus 112 in accordance with the present invention.
  • the rotary pressure filter apparatus 112 comprises a rotating filter drum 114 which rotates as indicated by arrow 118.
  • a plurality of compartments 118 are arranged around the circumference of the filter drum 114 and rotate with the filter drum 114.
  • the compartments 118 each include a filter member (not shown) adjacent the filter drum. In some embodiments the filter member comprises woven fabric.
  • Each compartment 118 also has associated with it a corresponding outlet pipe 120 which also rotates with the filter drum 114 and the compartments 118.
  • the outlet pipes 120 are configured such that filtrate from each compartment 116 passes through its corresponding filter member adjacent the filter drum 114 and into its corresponding outlet pipe.
  • the rotary pressure filter apparatus 112 also include a number of stationary components.
  • the rotary pressure filter apparatus 112 is divided into a plurality of zones, including a filtering zone generally shown at 124, a wash zone generally shown at 126, a discharge zone generally shown at 128.
  • the filtering zone 124 defines the first stage of a multi-stage process for separating and recovering a solid product from solid-liquid mixtures.
  • Each of the zones are separated from the adjacent zones by sealing members 130a, 130b, and 130c.
  • the solid-liquid mixture stream enters the filtering zone 124 of the rotary pressure filter apparatus 112 through inlet 132.
  • the inlet 132 is in fluid communication with plenum 134 which distributes the solid-liquid mixture into compartments 118.
  • the pressure in the filtering zone is maintained at about 3 bar ⁇ g) to about 7 bar(g), and in some embodiments, 5 bar(g) to 6 bar(g).
  • the outlet pipes are in fluid communication with filtrate discharge pipes (not shown) for collecting filtrate.
  • the solid components of the solid- liquid mixture remain on the filter member in the form a filter cake.
  • wash fluid stream 140 is introduced into the wash zone 126 through inlet 142.
  • wash fluid in introduced at a rate of about 0.5 kg to about 1.5 kg of wash fluid per 1 kg of filter cake.
  • the inlet 142 is in fluid communication with plenum 144 which distributes the wash fluid into compartments 118.
  • the pressure in the wash zone is maintained at about 3 bar(g) to about 7 bar(g), in some embodiments, 5 bar(g) to 6 bar(g).
  • the wash fluid is forced into the filter cake that resides on the filter member in the compartments 1 8 to form a wet filter cake.
  • a portion of the wash fluid is removed through the filter member and into the outlet 120, taking with it impurities and residual liquids from the solid-liquid mixture that may have adhered to the filter cake or residing in voids of the filter cake.
  • Another portion of the wash fluid remains with the now wet filter cake, in some embodiments, the wet filter cake comprises about 25wt% to about 50wt% residual wash fluid.
  • the wash fluid is selected to remove impurities from the filter cake while not interfering with further processing of the filter cake to recover the final solid product.
  • the wash fluid comprises water. In another embodiment, the wash fluid comprises condensate from another portion of an integrated process.
  • the compartments 118 now having wet filter cake continue their rotation into discharge zone 128.
  • the wet filter cake may be discharged by gravity, in some embodiments, the discharge zone 128 includes a filter cake disengaging device (not shown), such as a biower or scraper to assist with the discharge of the wet filter cake.
  • a rinse solution may be injected into in!et 162 in order to dean the filter members of the compartments 118 before they continue into the next cycle through the rotary pressure filter apparatus 112.
  • the rotary pressure filter apparatus 112 may include multiple filtering zones and multiple wash zones.
  • the rotary pressure filter apparatus does not include a drying zone.
  • the wet filter cake discharged in the discharge zone 128 comprises at feast a portion of the wash fluid 140 that is introduced into the washing zone 124.
  • the wet filter cake exiting the rotary pressure filter apparatus 112 is transferred via line 210 to a reslurrying zone comprising one or more reslurrying vessels 220, 230.
  • the wet filter cake is transferred to the reslurrying zone without drying the wet filter cake.
  • Reslurrying fluid is introduced via line 222 into reslurrying vessel 220.
  • the reslurrying vessel 220 is equipped with an agitator 224, and the wet filter cake and the reslurrying fluid is made into a slurry.
  • the reslurrying zone includes a second reslurrying vessel 230, also equipped with an agitator 234, which receives effluent from the first reslurrying vessel 220 via line 228.
  • the second reslurrying vessel 230 optionally also has an inlet 232 for additional reslurrying fluid.
  • a level- detecting control valve 240 allows passage of slurry between the vessels when the slurry reaches a predetermined level in the first reslurrying vessel.
  • the control valve 240 allows each of the reslurrying vessels to operate at a
  • the first reslurry vessei 220 may operate at an elevated pressure equal to the pressure in the rotary pressure filter apparatus 112 as well as equipment upstream of the rotary pressure filter apparatus 112, and the second reslurrying vessel 230 may operate at pressure equal to downstream equipment.
  • the first reslurry vessel 220 operates at a pressure of about 3 bar(g) to about 7 bar(g), and in some embodiments, about 5 bar(g) to about ⁇ bar(g).
  • the reslurrying fluid is selected to remove impurities from the filter cake while not interfering with further processing of the filter cake to recover the final solid product, and to not interact detrimentally with the wash fluid still remaining in the wet filter cake.
  • the reslurrying fluid may be the same or different that the wash fluid.
  • the reslurrying fluid comprises wafer.
  • the reslurrying fluid comprises steam condensate from another part of an integrated process.
  • the second reslurrying vessel 230 discharges slurry into an outlet line 238.
  • the line 238 transfers the slurry to a second, final solid-liquids separation zone 300.
  • the solid-liquid separation zone 300 comprises a rotary vacuum filter 310, which receives the slurry and removes a majority of the liquid in the slurry through vacuum filtration.
  • the resulting filter cake exits the rotary vacuum filter and is fed to a screw conveyor 340, which in turn transfers the filter cake to a gas fired rotary dryer 350.
  • Final solid product is removed from the dryer via line 380.
  • Those skilled in the art will appreciate that other equipment may be used in the second solid-liquid separation zone 300, for example, other filtering devices, centrifuges, and dryers may be used.
  • the final solid product comprises a substantially pure product with little or no impurities remaining.
  • the solid product is at least 99% pure on a weight basis.
  • the solid product is at least 99.7% pure on a weight basis.
  • the solid product is at least 99.9% pure on a weight basis.
  • the solid-liquid mixtures in line 110 is effluent from a crystallizer as part of an integrated process for manufacturing purified terephthalic acid from paraxylene.
  • the solid-liquid mixture comprises about 40 wt% of solid terephthalic acid, water, and about 1000 ppm impurities such as paratoluic acid, hydroxymethyibenzoic acid, and 4-carboxybenzaldehyde,
  • the solid-liquid mixture is fed to rotary pressure filter apparatus 112 which operates in the filtering zone at about 6 bar(g).
  • water is added as a wash fluid and the resulting stream including the wet filter cake exiting the rotary pressure filter apparatus comprises about 30 wt% water.
  • the wet filter cake stream enters the reslurrying vessel 220, which operates at 4 bar(g), and water is introduced as a reslurrying fluid.
  • the resulting slurry is transferred through control valve 240 into a reslurrying vessel 230 operated at ambient pressure, where additional water is introduced as a reslurrying liquid.
  • the slurry exiting the second reslurrying vessel 230 comprises about 50 wt% solid terephthalic acid, about 200 ppm paratoluic acid, about 5 pppm 4- carboxybenzaldehyde, and the remainder water.
  • the final terephthalic acid product contains less than 150 ppm paratoluic acid, and less than 5 ppm 4-carboxybenzaldehyde.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Filtration Of Liquid (AREA)
  • Centrifugal Separators (AREA)
PCT/US2014/072629 2013-12-31 2014-12-30 Solid-liquid separations with a no-dry rotary pressure filter Ceased WO2015103172A1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP2016544099A JP2017502966A (ja) 2013-12-31 2014-12-30 非乾燥ロータリープレッシャーフィルターを用いる固液分離
MX2016008550A MX387956B (es) 2013-12-31 2014-12-30 Separaciones solido-liquido con un filtro rotatorio a presion no seco.
CA2934279A CA2934279A1 (en) 2013-12-31 2014-12-30 Solid-liquid separations with a no-dry rotary pressure filter
PL14827389T PL3089804T3 (pl) 2013-12-31 2014-12-30 Rozdzielania ciało stałe-ciecz za pomocą filtra obrotowego ciśnieniowego bez suszenia
CN201480071785.XA CN105873655B (zh) 2013-12-31 2014-12-30 使用无干燥旋转压滤器的固体-液体分离
KR1020167020052A KR102396225B1 (ko) 2013-12-31 2014-12-30 무-건조 회전식 압력 필터를 이용한 고체-액체 분리
RU2016127631A RU2687433C2 (ru) 2013-12-31 2014-12-30 Сепарация твердого вещества от жидкости при помощи ротационного напорного фильтра без сушки
EP14827389.9A EP3089804B1 (en) 2013-12-31 2014-12-30 Solid-liquid separations with a no-dry rotary pressure filter
BR112016015319A BR112016015319A2 (pt) 2013-12-31 2014-12-30 separações de sólido-líquido com um filtro por pressão giratório sem secagem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361922247P 2013-12-31 2013-12-31
US61/922,247 2013-12-31

Publications (1)

Publication Number Publication Date
WO2015103172A1 true WO2015103172A1 (en) 2015-07-09

Family

ID=52347481

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2014/072629 Ceased WO2015103172A1 (en) 2013-12-31 2014-12-30 Solid-liquid separations with a no-dry rotary pressure filter

Country Status (12)

Country Link
US (1) US9486722B2 (enExample)
EP (1) EP3089804B1 (enExample)
JP (2) JP2017502966A (enExample)
KR (1) KR102396225B1 (enExample)
CN (1) CN105873655B (enExample)
BR (1) BR112016015319A2 (enExample)
CA (1) CA2934279A1 (enExample)
MX (1) MX387956B (enExample)
PL (1) PL3089804T3 (enExample)
PT (1) PT3089804T (enExample)
RU (1) RU2687433C2 (enExample)
WO (1) WO2015103172A1 (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103936581A (zh) * 2014-04-24 2014-07-23 天华化工机械及自动化研究设计院有限公司 一种提高cta溶剂交换效率的方法
US10857490B2 (en) * 2014-08-11 2020-12-08 Bp Corporation North America Inc. Separation process having improved capacity
BR112017016060A2 (pt) 2015-01-30 2018-04-03 Resinate Mat Group Inc processo integrado para o tratamento de reciclos de pet e ptt
SE539045C2 (en) * 2015-09-16 2017-03-28 Valmet Oy Washing arrangement for the treatment of cellulose pulp
TW201842956A (zh) 2017-04-28 2018-12-16 美商Ｂｐ公司北美股份有限公司 使用加壓濕氣線路以避免於經純化的對苯二甲酸(pta)過濾器及線路的積垢
CN107158780A (zh) * 2017-06-20 2017-09-15 天华化工机械及自动化研究设计院有限公司 一种设有降低过滤机框架压力波动的装置及压力过滤机
US10843995B2 (en) 2017-06-29 2020-11-24 Bp Corporation North America Inc. Processes for manufacturing aromatic carboxylic acids
WO2019019012A1 (en) * 2017-07-25 2019-01-31 Bp Corporation North America Inc. DELIVERY OF A FILTER RINSE PRODUCT OF A PURIFIED AROMATIC CARBOXYLIC ACID FOR ENERGY OPTIMIZATION
US11091419B2 (en) 2017-11-22 2021-08-17 Exxonmobil Chemical Patents Inc. Preparation and purification of biphenyldicarboxylic acids
WO2019241248A1 (en) * 2018-06-13 2019-12-19 Cargill, Incorporated Liquid discharge filter and its use
CN112334210A (zh) 2018-06-29 2021-02-05 Bp北美公司 使用大孔滤器的固-液分离方法
WO2020102639A1 (en) 2018-11-16 2020-05-22 Bp Corporation North America Inc. Process for manufacturing aromatic carboxylic acids
PL4051658T3 (pl) 2019-10-31 2025-02-03 Ineos Us Chemicals Company Procesy rozdzielania substancji stałej/cieczy

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2741369A (en) 1953-05-22 1956-04-10 Appbau G M B H Fa Rotary filters
US5676847A (en) * 1993-05-24 1997-10-14 Mitsui Petrochemical Industries, Ltd. Method for recovering crystals from slurry with wash water recycle means
US20050051473A1 (en) 2001-06-12 2005-03-10 Wolfgang Suss Rotating filter system
JP2005263653A (ja) * 2004-03-17 2005-09-29 Toray Ind Inc 芳香族カルボン酸の製造方法
US7807060B2 (en) 2004-07-09 2010-10-05 Bhs-Sonthofen Gmbh Filter with resuspension of solids

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2595657B2 (ja) * 1988-05-27 1997-04-02 三井石油化学工業株式会社 スラリーから結晶を回収する方法
US5175355A (en) 1991-04-12 1992-12-29 Amoco Corporation Improved process for recovery of purified terephthalic acid
US5200557A (en) 1991-04-12 1993-04-06 Amoco Corporation Process for preparation of crude terephthalic acid suitable for reduction to prepare purified terephthalic acid
US5662813A (en) * 1994-10-21 1997-09-02 Bioseparations, Inc. Method for separation of nucleated fetal erythrocytes from maternal blood samples
US5756833A (en) 1996-02-01 1998-05-26 Amoco Corporation Catalytic purification and recovery of dicarboxylic aromatic acids
JP3859178B2 (ja) * 1996-05-07 2006-12-20 月島機械株式会社 高純度芳香族ジカルボン酸の製造方法とその装置
US6137001A (en) 1998-02-11 2000-10-24 Bp Amoco Corporation Process for preparing aromatic carboxylic acids with efficient treatments of gaseous effluent
BR0017083A (pt) * 2000-01-25 2002-11-05 Inca Internat S P A Processo para recuperar ácido tereftálico bruto (cta)
JP2006008673A (ja) * 2004-05-28 2006-01-12 Mitsubishi Chemicals Corp 高純度テレフタル酸の製造方法
CN1264802C (zh) * 2004-07-08 2006-07-19 艾博特(厦门)设备工程有限公司 一种制备纯度达到99.98%以上的纯对苯二甲酸的方法
US7959879B2 (en) * 2004-09-02 2011-06-14 Grupo Petrotemex, S.A. De C.V. Optimized production of aromatic dicarboxylic acids
IN2015DN00761A (enExample) * 2004-09-02 2015-07-10 Grupo Petrotemex Sa De Cv
ES2346560T3 (es) 2005-03-21 2010-10-18 Bp Corporation North America Inc. Procedimiento y aparato para la fabricacion de acidos carboxilicos aromaticos que incluyen formas puras de los mismos.
US7462736B2 (en) * 2006-03-01 2008-12-09 Eastman Chemical Company Methods and apparatus for isolating carboxylic acid
CN102395553A (zh) * 2009-04-16 2012-03-28 株式会社日立工业设备技术 由晶析浆液回收结晶的方法
WO2015094911A1 (en) 2013-12-18 2015-06-25 Bp Corporation North America Inc. Improved process and apparatus for manufacturing aromatic carboxylic acids
KR20160104705A (ko) 2013-12-30 2016-09-05 비피 코포레이션 노쓰 아메리카 인코포레이티드 미가공 산물의 정제를 위해 탈수 타워 응축물을 사용하여 테레프탈산을 제조하는 방법
BR112016015320A2 (pt) 2013-12-30 2017-10-10 Bp Corp North America Inc misturas de alimentação de ácido carboxílico aromático bruto pressurizado
PL3089958T3 (pl) 2013-12-31 2022-01-10 Ineos Us Chemicals Company Wytwarzanie kondensatu pod wysokim ciśnieniem w wytwarzaniu oczyszczonych aromatycznych kwasów karboksylowych
JP6691102B2 (ja) 2014-07-25 2020-04-28 ビーピー・コーポレーション・ノース・アメリカ・インコーポレーテッド 減少した圧力変動を有するロータリープレッシャーフィルター装置
US10857490B2 (en) 2014-08-11 2020-12-08 Bp Corporation North America Inc. Separation process having improved capacity

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2741369A (en) 1953-05-22 1956-04-10 Appbau G M B H Fa Rotary filters
US5676847A (en) * 1993-05-24 1997-10-14 Mitsui Petrochemical Industries, Ltd. Method for recovering crystals from slurry with wash water recycle means
US20050051473A1 (en) 2001-06-12 2005-03-10 Wolfgang Suss Rotating filter system
JP2005263653A (ja) * 2004-03-17 2005-09-29 Toray Ind Inc 芳香族カルボン酸の製造方法
US7807060B2 (en) 2004-07-09 2010-10-05 Bhs-Sonthofen Gmbh Filter with resuspension of solids

Also Published As

Publication number Publication date
RU2687433C2 (ru) 2019-05-13
RU2016127631A (ru) 2018-02-06
PT3089804T (pt) 2021-07-01
PL3089804T3 (pl) 2021-12-13
RU2016127631A3 (enExample) 2018-06-21
MX387956B (es) 2025-03-19
JP2020182950A (ja) 2020-11-12
US20150182890A1 (en) 2015-07-02
BR112016015319A2 (pt) 2018-05-22
CN105873655A (zh) 2016-08-17
CN105873655B (zh) 2018-10-19
US9486722B2 (en) 2016-11-08
MX2016008550A (es) 2017-02-02
KR102396225B1 (ko) 2022-05-09
EP3089804A1 (en) 2016-11-09
JP2017502966A (ja) 2017-01-26
KR20160103056A (ko) 2016-08-31
CA2934279A1 (en) 2015-07-09
EP3089804B1 (en) 2021-06-09

Similar Documents

Publication Publication Date Title
US9486722B2 (en) Solid-liquid separation with a no-dry rotary pressure filter
KR102506343B1 (ko) 감소된 압력 변동들을 갖는 회전식 압력 여과기 장치
US10857490B2 (en) Separation process having improved capacity
JP2017502966A5 (enExample)
CN105037132A (zh) 用于制备低水分羧酸湿滤饼的方法和设备
CN104860813A (zh) 用于芳族羧酸的过滤机
CN101395122A (zh) 用于制备低水分羧酸湿滤饼的方法和设备
US9024080B2 (en) Process for isolating crystallized 2,2,4,4 tetramethyl-1,3-cyclobutanediol (TMCD) particles utilizing pressure filtration
CN105085231A (zh) 一种pta工业装置氧化单元中醋酸溶剂的处理方法
CN101318894B (zh) 对苯二甲酸的分离提纯方法及其装置
CN107847827B (zh) 气体驱动式旋转过滤器
KR20130138080A (ko) 방향족 카르복시산의 슬러리 분리 방법 및 그 방법을 위한 회전식 압력 여과 장치
US9156759B2 (en) Process for isolating crystallized 2,2,4,4-tetramethyl-1,3-cyclobutanediol (TMCD) particles utilizing pressure filtration
CN103373917A (zh) 生产pta（对苯二甲酸）的方法和设备
CN101318895A (zh) 一种分离提纯对苯二甲酸的新方法
CN106422479A (zh) 旋转式过滤器
Separating New Inventions. in Filtration and Separation".

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14827389

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2934279

Country of ref document: CA

WWE Wipo information: entry into national phase

Ref document number: MX/A/2016/008550

Country of ref document: MX

ENP Entry into the national phase

Ref document number: 2016544099

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

REEP Request for entry into the european phase

Ref document number: 2014827389

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2014827389

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 20167020052

Country of ref document: KR

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 2016127631

Country of ref document: RU

Kind code of ref document: A

REG Reference to national code

Ref country code: BR

Ref legal event code: B01A

Ref document number: 112016015319

Country of ref document: BR

ENP Entry into the national phase

Ref document number: 112016015319

Country of ref document: BR

Kind code of ref document: A2

Effective date: 20160629