AU1796099A - Waste acid recovery - Google Patents

Waste acid recovery

Info

Publication number
AU1796099A
AU1796099A AU17960/99A AU1796099A AU1796099A AU 1796099 A AU1796099 A AU 1796099A AU 17960/99 A AU17960/99 A AU 17960/99A AU 1796099 A AU1796099 A AU 1796099A AU 1796099 A AU1796099 A AU 1796099A
Authority
AU
Australia
Prior art keywords
waste acid
acid recovery
recovery
waste
acid
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.)
Abandoned
Application number
AU17960/99A
Inventor
Lawrence D. Conant
Arie Keus
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.)
Waterworks International Inc
Original Assignee
Waterworks International 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
Priority claimed from PCT/US1998/006400 external-priority patent/WO1998043716A2/en
Application filed by Waterworks International Inc filed Critical Waterworks International Inc
Publication of AU1796099A publication Critical patent/AU1796099A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
    • 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
    • C01B17/92—Recovery from acid tar or the like, e.g. alkylation acids
    • 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
    • C02F1/22—Treatment of water, waste water, or sewage by freezing
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/141—Feedstock
    • Y02P20/145—Feedstock the feedstock being materials of biological origin

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Analytical Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Water Treatments (AREA)
AU17960/99A 1998-03-31 1998-10-07 Waste acid recovery Abandoned AU1796099A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PCT/US1998/006400 WO1998043716A2 (en) 1997-03-31 1998-03-31 Sulfuric acid purification process
WOUS9806400 1998-03-31
PCT/US1998/021275 WO1999050177A1 (en) 1998-03-31 1998-10-07 Waste acid recovery

Publications (1)

Publication Number Publication Date
AU1796099A true AU1796099A (en) 1999-10-18

Family

ID=22266738

Family Applications (1)

Application Number Title Priority Date Filing Date
AU17960/99A Abandoned AU1796099A (en) 1998-03-31 1998-10-07 Waste acid recovery

Country Status (6)

Country Link
EP (1) EP1086043A1 (en)
JP (1) JP2003526589A (en)
KR (1) KR20010042375A (en)
CN (1) CN1292766A (en)
AU (1) AU1796099A (en)
WO (1) WO1999050177A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7976710B2 (en) 2003-02-18 2011-07-12 Exxonmobil Research And Engineering Company Membrane and process for the recovery of acid
US20040222157A1 (en) * 2003-02-18 2004-11-11 Minhas Bhupender S. Process for the recovery of sulfuric acid using polymeric membranes
US7997426B2 (en) 2004-02-06 2011-08-16 Exxonmobil Research And Engineering Company Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes
US7837880B2 (en) 2004-02-06 2010-11-23 Exxonmobil Research And Engineering Company Acid tolerant polymeric membrane and process for the recovery of acid using polymeric membranes
CN100337906C (en) * 2006-03-01 2007-09-19 浙江闰土股份有限公司 High-pollution low-concentration waste acid recycling method
JP5427475B2 (en) * 2009-03-18 2014-02-26 日曹エンジニアリング株式会社 Slurry ice manufacturing method and apparatus
CN101759315B (en) * 2010-01-07 2011-05-18 黄丹喜 Method for recycling waste diluted sulfuric acid from acid washing solution of steel
IL236365A0 (en) * 2014-12-21 2015-04-30 Melodea Ltd Acid recovery from acid-rich solutions
KR102302551B1 (en) * 2019-11-21 2021-09-15 이시동 Method for purifying hydrofluoric acid
CN111285524A (en) * 2020-02-18 2020-06-16 郭观发 Equipment and method for purifying and recycling waste acid solution generated in chemical polishing of aluminum material

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2593128A (en) * 1948-05-06 1952-04-15 California Research Corp Process for sulfuric acid recovery
GB796343A (en) * 1955-05-31 1958-06-11 Kellogg M W Co Improvements in or relating to method of purifying sulphuric acid by fractional crystallization
US2862791A (en) * 1955-07-08 1958-12-02 Kellogg M W Co Sulfuric acid purification
US3890097A (en) * 1974-05-06 1975-06-17 Agrico Chem Co Method of purifying wet process phosphoric acid
JPS52140497A (en) * 1976-05-20 1977-11-24 Nippon Mining Co Ltd Recovery of arsenic from arsenic-contg. solution of sulfuric acid
US5394706A (en) * 1993-05-20 1995-03-07 Waterworks International, Inc. Freeze crystallization for the removal of water from a solution of dissolved solids

Also Published As

Publication number Publication date
KR20010042375A (en) 2001-05-25
CN1292766A (en) 2001-04-25
WO1999050177A1 (en) 1999-10-07
EP1086043A1 (en) 2001-03-28
JP2003526589A (en) 2003-09-09

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase