AU1796099A - Waste acid recovery - Google Patents

Waste acid recovery

Info

Publication number: AU1796099A
Authority: AU; Australia
Prior art keywords: waste acid; acid recovery; recovery; waste; acid
Prior art date: 1998-03-31
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.)

1998-03-31

Filing date

1998-10-07

Publication date

1999-10-18

1998-03-31 Priority claimed from PCT/US1998/006400 external-priority patent/WO1998043716A2/en

1998-10-07 Application filed by Waterworks International Inc filed Critical Waterworks International Inc

1999-10-18 Publication of AU1796099A publication Critical patent/AU1796099A/en

Status Abandoned legal-status Critical Current

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
WOUS9806400		1998-03-31
PCT/US1998/006400 WO1998043716A2 (en)	1997-03-31	1998-03-31	Sulfuric acid purification process
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
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
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
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

1998
- 1998-10-07 AU AU17960/99A patent/AU1796099A/en not_active Abandoned
- 1998-10-07 EP EP98962803A patent/EP1086043A1/en not_active Withdrawn
- 1998-10-07 JP JP2000541095A patent/JP2003526589A/en active Pending
- 1998-10-07 KR KR1020007010943A patent/KR20010042375A/en not_active Withdrawn
- 1998-10-07 CN CN988140136A patent/CN1292766A/en active Pending
- 1998-10-07 WO PCT/US1998/021275 patent/WO1999050177A1/en not_active Ceased

Also Published As

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

Publication	Publication Date	Title
AUPP150798A0 (en)	1998-02-19	Smart waste
PL343518A1 (en)	2001-08-27	(4-arylsulfonylamino)-tetrahydropyran-4-carboxylic acid hydroxamides
AU6366699A (en)	2000-05-15	Waste carbonizing method
AU1750900A (en)	2000-06-19	Medication collecting system
AU6106999A (en)	2000-04-26	Process
AU3890299A (en)	1999-11-29	Cryo-sedimentation process
EP1127060B8 (en)	2005-01-05	Hydroboronation process
AU3242299A (en)	1999-09-15	Waste treatment system
AU3157199A (en)	1999-10-18	Structural truss
AU1796099A (en)	1999-10-18	Waste acid recovery
AU1268400A (en)	2000-06-05	Isothiazolecarboxylic acid derivatives
AU1433200A (en)	2000-05-22	Intelligent cell recovery
AU3789100A (en)	2000-05-29	Method for utilizing waste
AU4936999A (en)	2000-02-07	Separator
HK1036267A (en)	2001-12-28	Waste acid recovery
AU5289299A (en)	2000-03-06	Divinylstilbenesulfonic acid derivatives
AU1223600A (en)	2000-05-15	Process
AU9368598A (en)	1999-04-12	Recovery process
AU7068198A (en)	1999-11-08	Waste management system
AU2531799A (en)	1999-08-30	Roofing system
AUPP391198A0 (en)	1998-07-02	Waste polystyreene reduction
AU2823699A (en)	1999-10-18	Incineration process
AUPP658598A0 (en)	1998-11-12	Gutter mate
AUPO971897A0 (en)	1997-11-06	Waste catcher
AUPP419498A0 (en)	1998-07-09	Assisted

Legal Events

Date	Code	Title	Description
2000-12-14	MK6	Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase