CA988398A - Process for waste pickle liquor regeneration - Google Patents

Process for waste pickle liquor regeneration

Info

Publication number
CA988398A
CA988398A CA174,746A CA174746A CA988398A CA 988398 A CA988398 A CA 988398A CA 174746 A CA174746 A CA 174746A CA 988398 A CA988398 A CA 988398A
Authority
CA
Canada
Prior art keywords
pickle liquor
waste pickle
liquor regeneration
regeneration
waste
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.)
Expired
Application number
CA174,746A
Other versions
CA174746S (en
Inventor
Chyn D. Shiah
Ching L. Lo
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.)
Oceanic Process Corp
Original Assignee
Oceanic Process Corp
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 Oceanic Process Corp filed Critical Oceanic Process Corp
Application granted granted Critical
Publication of CA988398A publication Critical patent/CA988398A/en
Expired 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
    • C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/36—Regeneration of waste pickling liquors

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Iron (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Removal Of Specific Substances (AREA)
CA174,746A 1972-06-29 1973-06-22 Process for waste pickle liquor regeneration Expired CA988398A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26770372A 1972-06-29 1972-06-29

Publications (1)

Publication Number Publication Date
CA988398A true CA988398A (en) 1976-05-04

Family

ID=23019825

Family Applications (1)

Application Number Title Priority Date Filing Date
CA174,746A Expired CA988398A (en) 1972-06-29 1973-06-22 Process for waste pickle liquor regeneration

Country Status (4)

Country Link
JP (1) JPS4956898A (en)
CA (1) CA988398A (en)
DE (1) DE2331569A1 (en)
GB (1) GB1406945A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50148059A (en) * 1974-05-20 1975-11-27
JPS543596B2 (en) * 1974-05-20 1979-02-24
JPS5190754A (en) * 1975-02-08 1976-08-09
EP0085666A3 (en) * 1982-02-03 1985-07-03 A/S Niro Atomizer Method of processing sulfuric acid having a content of metal sulfates
FR2586260B2 (en) * 1984-12-03 1991-04-19 Air Liquide PROCESS FOR IMPLEMENTING OXIDIZING GAS TO REALIZE WASTE BLADE HYDROCHLOR SOLUTIONS
EP1028088A1 (en) * 1999-02-10 2000-08-16 Fernando H. Garcia Method for neutralising and/or regenerating acid baths and plant that carries out this method
FR2795747B3 (en) * 1999-06-14 2001-04-20 Lorraine Laminage PROCESS FOR THE REGENERATION OF AN IRON CHLORIDE SOLUTION TO A HYDROCHLORIC ACID SOLUTION
DE10232069A1 (en) * 2002-07-16 2004-02-05 Sachtleben Chemie Gmbh Process for the production of iron hydroxide, iron oxide hydrate or iron oxide from filter salts of thin acid recovery
ES2391743T5 (en) * 2008-06-19 2016-02-11 Sms Group Gmbh Processing procedure to recover iron oxide and hydrochloric acid
EP2784186A1 (en) * 2013-03-27 2014-10-01 CMI UVK GmbH Process for recovering metal oxide particles from a spent acid solution containing metal salts
EP2784185A1 (en) * 2013-03-27 2014-10-01 CMI UVK GmbH Process for recovering acids from a spent acid solution containing metal salts
CN110040689A (en) * 2019-04-25 2019-07-23 兰州泰邦化工科技有限公司 A kind of big production capacity and sodium chlorite production equipment and its production method without spent acid discharge
CN111039495B (en) * 2020-01-06 2024-05-17 湖南景翌湘台环保高新技术开发有限公司 Comprehensive recovery method of waste rare earth polishing powder and steel pickling waste liquid
CN113772873B (en) * 2021-10-09 2023-08-25 北部湾大学 Method for preparing industrial salt from pickling waste liquid by utilizing waste heat
CN114249353B (en) * 2021-12-18 2023-07-25 大连市环境保护有限公司产业废弃物处理厂 Method for regenerating liquid ferrous chloride from waste hydrochloric acid

Also Published As

Publication number Publication date
GB1406945A (en) 1975-09-17
JPS4956898A (en) 1974-06-03
DE2331569A1 (en) 1974-01-17

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