TW282410B - - Google Patents

Info

Publication number
TW282410B
TW282410B TW082110761A TW82110761A TW282410B TW 282410 B TW282410 B TW 282410B TW 082110761 A TW082110761 A TW 082110761A TW 82110761 A TW82110761 A TW 82110761A TW 282410 B TW282410 B TW 282410B
Authority
TW
Taiwan
Application number
TW082110761A
Other languages
Chinese (zh)
Original Assignee
Air Prod & Chem
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 Air Prod & Chem filed Critical Air Prod & Chem
Application granted granted Critical
Publication of TW282410B publication Critical patent/TW282410B/zh

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/26—Multiple-effect evaporating
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/88—Concentration of sulfuric acid
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/90—Separation; Purification
    • C01B17/905—Removal of organic impurities
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00—Sulfur; Compounds thereof
    • C01B17/69—Sulfur trioxide; Sulfuric acid
    • C01B17/90—Separation; Purification
    • C01B17/94—Recovery from nitration acids
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/08—Multieffect or multistage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/42—Seals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/08—Waste heat

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Degasification And Air Bubble Elimination (AREA)
TW082110761A 1993-03-15 1993-12-18 TW282410B (Direct)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/033,653 US5275701A (en) 1993-03-15 1993-03-15 Process for purification and concentration of sulfuric acid

Publications (1)

Publication Number Publication Date
TW282410B true TW282410B (Direct) 1996-08-01

Family

ID=21871661

Family Applications (1)

Application Number Title Priority Date Filing Date
TW082110761A TW282410B (Direct) 1993-03-15 1993-12-18

Country Status (7)

Country Link
US (1) US5275701A (Direct)
EP (1) EP0615951B1 (Direct)
KR (1) KR960012707B1 (Direct)
CN (1) CN1036575C (Direct)
DE (1) DE69425170T2 (Direct)
PT (1) PT615951E (Direct)
TW (1) TW282410B (Direct)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE503793C2 (sv) * 1995-02-01 1996-09-09 Kvaerner Pulping Tech Förfarande vid behandling av kondensat
EP0775491A4 (en) * 1995-06-22 1998-05-20 Tayca Corp IMMUNOSTIMULANT
US5603839A (en) * 1995-09-18 1997-02-18 Cecebe Technologies Inc. Process for the recovery of waste sulphuric acid
DE19600810A1 (de) * 1996-01-11 1997-07-17 Wacker Chemie Gmbh Verfahren zum Reinigen von Schwefelsäure
CA2254612A1 (en) * 1996-09-06 2000-05-27 Bayer Aktiengesellschaft A process for purifying and concentrating spent sulphuric acids
DE19636191B4 (de) * 1996-08-02 2008-04-03 Bayer Materialscience Ag Verfahren zur Reinigung und Aufkonzentrierung von gebrauchten Schwefelsäuren
DE19642328A1 (de) * 1996-10-14 1998-04-16 Bayer Ag Verfahren zur Aufkonzentrierung von gebrauchten Schwefelsäuren
JP3507317B2 (ja) 1996-12-20 2004-03-15 富士通株式会社 蒸留装置及び蒸留方法
EP0970016A2 (en) * 1997-03-31 2000-01-12 Waterworks International, Inc. Sulfuric acid purification process
JP3375050B2 (ja) * 1997-03-31 2003-02-10 富士通株式会社 廃硫酸連続精製装置及び精製方法
DE19920695A1 (de) * 1999-05-05 2000-11-16 Metallgesellschaft Ag Verfahren zur Aufkonzentrierung von Dünnsäure
DE10055359C1 (de) * 2000-11-08 2002-03-28 Bayer Ag Kontinuierliches isothermes Verfahren zur Herstellung von Mononitrotoluolen
DE10117207C1 (de) * 2001-04-06 2002-11-14 Bayer Ag Kontinuierliches isothermes Verfahren zur Herstellung von Mononitrotoluolen in Gegenwart von Phosphorsäure
MY143253A (en) * 2002-08-01 2011-04-15 Gfe Patent As Method and device for stripping ammonia from liquids
DE102004005913A1 (de) * 2004-02-05 2005-08-25 Basf Ag Verfahren zur Herstellung von Dinitrotoluol
DE502006001608D1 (de) * 2006-06-21 2008-10-30 Qvf Engineering Gmbh Verfahren und Anlage zur Konzentrierung von Abfall-Schwefelsäuren aus Nitrierprozessen
DE102006033722A1 (de) * 2006-07-21 2008-01-24 Bayer Materialscience Ag Verfahren zur Herstellung von Dinitrotoluol
DE102007045699B3 (de) 2007-09-24 2008-08-14 Plinke Gmbh Verfahren zum Konzentrieren von Schwefelsäure
HUE029763T2 (en) * 2009-09-15 2017-04-28 De Dietrich Process Systems Gmbh Method and apparatus for processing sulfuric acid from waste from nitration processes
CN102008829B (zh) * 2010-09-30 2012-09-05 温州市天龙轻工设备有限公司 一种真空多效强制循环蒸发装置及其浓缩物料的方法
EP2809644B1 (de) 2012-01-31 2016-09-28 Covestro Deutschland AG Verfahren und anlage zur herstellung von nitrobenzol
CN103373710B (zh) * 2012-04-15 2016-05-11 辽阳环亚废酸再生科技有限公司 从生产苝系列颜料产生的废硫酸中回收硫酸的装置和方法
CN103373711B (zh) * 2012-04-15 2016-05-11 辽阳环亚废酸再生科技有限公司 从生产分散红60＃染料所产生的废硫酸中回收硫酸的装置和方法
CN102951617B (zh) * 2012-10-18 2014-10-22 陕西比迪欧化工有限公司 一种废硫酸净化处理系统及方法
DE102013021026B4 (de) 2013-12-19 2022-07-21 Plinke Gmbh Verfahren und Anlage zur Reinigung und Konzentrierung von Abfallsäure aus Nitrierprozessen
CN104596597B (zh) * 2014-01-03 2018-10-30 黄东升 浓缩锅水份发蒸量标定法
CN103908790B (zh) * 2014-04-09 2015-09-30 陈晓程 一种栲胶生产蒸发工序的无动力自动转液方法
CN103950903B (zh) * 2014-05-13 2015-12-30 常州大学 用于处理硝酸异辛酯生产过程中的废酸的循环装置
CN104248859A (zh) * 2014-09-12 2014-12-31 四川大学 单程多效立管内降膜蒸发流程与设备布置方法
JP6736547B2 (ja) 2014-10-02 2020-08-05 コベストロ、ドイチュラント、アクチエンゲゼルシャフトＣｏｖｅｓｔｒｏ Ｄｅｕｔｓｃｈｌａｎｄ Ａｇ ジニトロトルエンの連続的製造方法における排出ガス清浄
CN104671221B (zh) * 2015-02-04 2017-02-22 江苏澄天环保科技有限公司 一种以排放二氧化硫为原料制取硫酸的方法及装置
CN105923610B (zh) * 2016-05-09 2018-06-12 杭州中昊科技有限公司 乙炔清净废酸再生工艺
WO2018108739A1 (en) * 2016-12-12 2018-06-21 Haldor Topsøe A/S A process for increasing the concentration of sulfuric acid and equipment for use in the process
CN106744720B (zh) * 2016-12-18 2018-12-11 南通江山农药化工股份有限公司 三氯乙醛副产稀硫酸的循环再利用系统及其运行工艺
CN106986314A (zh) * 2017-03-29 2017-07-28 扬州祥发资源综合利用有限公司 一种中温碳化法处理高cod硫酸的方法及装置
WO2018197539A1 (en) * 2017-04-26 2018-11-01 Solvay Sa Reduction of content of carboxylic acids and derivatives thereof in oleum, disulfuric acid or concentrated sulfuric acid
CN108658051B (zh) * 2017-08-31 2020-10-30 宁夏中盛新科技有限公司 硝化废酸的回收方法、装置及其回收的硫酸
CN107814362A (zh) * 2017-11-06 2018-03-20 宁夏中盛新科技有限公司 一种从硝化废酸中回收硫酸的方法及装置
CN107934921B (zh) * 2017-11-27 2019-09-10 伊犁南岗化工有限责任公司 一种高效废硫酸提浓方法
CN108264027B (zh) * 2018-04-02 2020-07-14 湖南恒光化工有限公司 一种硫酸生产用硫酸净化方法
CN109694043A (zh) * 2018-12-27 2019-04-30 镇江江南化工有限公司 一种废硫酸综合处理回收利用的方法
CN112028032A (zh) * 2020-09-08 2020-12-04 江苏荣信环保科技有限公司 一种有机废硫酸中硫酸再生工艺
US20230406704A1 (en) * 2020-11-11 2023-12-21 Basf Se Process for concentrating diluted sulfuric acid
CN113045427A (zh) * 2021-03-19 2021-06-29 宁夏华御化工有限公司 能够降低废水中硝酸盐含量的硝基氯苯制备方法及系统
CN114588646B (zh) * 2021-03-26 2024-10-18 江苏御镐智能制造有限公司 一种废酸浓缩处理塔
CN117023524A (zh) * 2023-07-14 2023-11-10 湖北东方化工有限公司 一种废硫酸双闪蒸浓缩装置及方法
CN117776432B (zh) * 2023-12-14 2025-10-28 南京华创环境技术研究院有限公司 一种染料行业产生废硫酸的回收处理方法及系统

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1969793A (en) * 1931-08-10 1934-08-14 Chemical Construction Corp Concentrator apparatus
GB512907A (en) * 1938-03-18 1939-09-28 Nicolay Titlestad Improvements relating to the concentration and decolorization of denitrated spent sulphuric acid
GB528696A (en) * 1939-05-12 1940-11-05 Bamag Ltd Improvements relating to the concentration of sulphuric acid
US2414727A (en) * 1945-05-22 1947-01-21 Standard Oil Dev Co Recovery of sulfuric acid
US4001383A (en) * 1971-08-12 1977-01-04 Stauffer Chemical Company Impure sulfuric acid treatment process
IT1002065B (it) * 1973-01-13 1976-05-20 Texaco Ag Procedimento per la produzione di alcooli inferiori
US3856673A (en) * 1973-04-02 1974-12-24 Air Prod & Chem Purification of spent sulfuric acid
DE2360706C3 (de) * 1973-12-06 1980-10-16 Hoechst Ag, 6000 Frankfurt Verfahren zur Regeneration von Schwefelsäure
CH606940A5 (Direct) * 1976-06-18 1978-11-30 Bertrams Ag Hch
DE2632989A1 (de) * 1976-07-22 1978-02-02 Hoechst Ag Verfahren zum regenerieren von schwefelsaeure
US4155989A (en) * 1977-11-14 1979-05-22 Ciba-Geigy Corporation Removal of nitric acid from nitric acid-sulfuric acid mixtures
DE2824010A1 (de) * 1978-06-01 1979-12-13 Metallgesellschaft Ag Verfahren zur aufkonzentrierung von verduennter phosphorsaeure
US4409064A (en) * 1978-10-16 1983-10-11 Air Products And Chemicals, Inc. Process for concentrating sulfuric acid in an evaporator
DE3927751A1 (de) * 1989-08-23 1991-02-28 Bayer Ag Verfahren zum konzentrieren metallsulfathaltiger schwefelsaeure

Also Published As

Publication number Publication date
DE69425170D1 (de) 2000-08-17
DE69425170T2 (de) 2000-12-21
KR940021418A (ko) 1994-10-17
CN1094013A (zh) 1994-10-26
EP0615951A1 (en) 1994-09-21
KR960012707B1 (ko) 1996-09-24
PT615951E (pt) 2000-12-29
CN1036575C (zh) 1997-12-03
EP0615951B1 (en) 2000-07-12
US5275701A (en) 1994-01-04

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees
MK4A Expiration of patent term of an invention patent