CA2139441A1 - Procede et appareil servant a neutraliser des flux d'acide - Google Patents

Procede et appareil servant a neutraliser des flux d'acide

Info

Publication number
CA2139441A1
CA2139441A1 CA002139441A CA2139441A CA2139441A1 CA 2139441 A1 CA2139441 A1 CA 2139441A1 CA 002139441 A CA002139441 A CA 002139441A CA 2139441 A CA2139441 A CA 2139441A CA 2139441 A1 CA2139441 A1 CA 2139441A1
Authority
CA
Canada
Prior art keywords
reaction zone
calcium hydroxide
solution
acid stream
neutralisation
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
CA002139441A
Other languages
English (en)
Inventor
Stephen P. K. Walsh
David H. Annells
John J. Harkin
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.)
Imperial Chemical Industries Ltd
Original Assignee
Stephen P. K. Walsh
David H. Annells
John J. Harkin
Imperial Chemical Industries Plc
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 Stephen P. K. Walsh, David H. Annells, John J. Harkin, Imperial Chemical Industries Plc filed Critical Stephen P. K. Walsh
Publication of CA2139441A1 publication Critical patent/CA2139441A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
    • A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
    • A62D3/36—Detoxification by using acid or alkaline reagents
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/40—Inorganic substances

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Emergency Management (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Hydrology & Water Resources (AREA)
  • Business, Economics & Management (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Paper (AREA)
  • Removal Of Specific Substances (AREA)
CA002139441A 1992-08-24 1993-08-19 Procede et appareil servant a neutraliser des flux d'acide Abandoned CA2139441A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9217962.1 1992-08-24
GB929217962A GB9217962D0 (en) 1992-08-24 1992-08-24 Process and apparatus for neutralisation of acid streams
PCT/GB1993/001762 WO1994004467A1 (fr) 1992-08-24 1993-08-19 Procede et appareil de neutralisation d'ecoulement d'acide

Publications (1)

Publication Number Publication Date
CA2139441A1 true CA2139441A1 (fr) 1994-03-03

Family

ID=10720858

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002139441A Abandoned CA2139441A1 (fr) 1992-08-24 1993-08-19 Procede et appareil servant a neutraliser des flux d'acide

Country Status (5)

Country Link
EP (1) EP0655986A1 (fr)
JP (1) JPH08500523A (fr)
CA (1) CA2139441A1 (fr)
GB (1) GB9217962D0 (fr)
WO (1) WO1994004467A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6080910A (en) * 1997-02-20 2000-06-27 Case Western Reserve University Transgenic knockout animals lacking IgG3
JP5541595B2 (ja) * 2010-01-26 2014-07-09 パウダーテック株式会社 有機系脱酸素剤
JP5871026B2 (ja) 2014-05-13 2016-03-01 住友金属鉱山株式会社 硫酸酸性溶液の中和方法、およびニッケル酸化鉱石の湿式製錬方法
EP3351513A1 (fr) * 2017-01-20 2018-07-25 Covestro Deutschland AG Procédé et dispositif de neutralisation d'acide chlorhydrique en continu
CN115896830A (zh) * 2023-02-16 2023-04-04 凯莱英生命科学技术(天津)有限公司 反应釜及具有其的电化学反应装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3638023C2 (de) * 1986-11-07 1997-08-14 Semmelroth Reinhold Anlage zur Behandlung industriellen Abwassers
JPH03196895A (ja) * 1989-12-26 1991-08-28 Yajima Takehiko 中和及び酸性化防止処理剤並びにその製造方法

Also Published As

Publication number Publication date
GB9217962D0 (en) 1992-10-07
WO1994004467A1 (fr) 1994-03-03
JPH08500523A (ja) 1996-01-23
EP0655986A1 (fr) 1995-06-07

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Legal Events

Date Code Title Description
FZDE Discontinued