GB2241960B - Decyanation process - Google Patents

Decyanation process

Info

Publication number
GB2241960B
GB2241960B GB9101483A GB9101483A GB2241960B GB 2241960 B GB2241960 B GB 2241960B GB 9101483 A GB9101483 A GB 9101483A GB 9101483 A GB9101483 A GB 9101483A GB 2241960 B GB2241960 B GB 2241960B
Authority
GB
United Kingdom
Prior art keywords
decyanation process
decyanation
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 - Fee Related
Application number
GB9101483A
Other versions
GB2241960A (en
GB9101483D0 (en
Inventor
Xinyu Yang
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB9101483D0 publication Critical patent/GB9101483D0/en
Publication of GB2241960A publication Critical patent/GB2241960A/en
Application granted granted Critical
Publication of GB2241960B publication Critical patent/GB2241960B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • C02F1/4674—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation with halogen or compound of halogens, e.g. chlorine, bromine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/54—Nitrogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/68—Halogens or halogen compounds
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/0046—Surgical instruments, devices or methods, e.g. tourniquets with a releasable handle; with handle and operating part separable
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • C02F2101/18—Cyanides
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/4612—Controlling or monitoring
    • C02F2201/46125—Electrical variables
    • C02F2201/4613—Inversing polarity
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/4612—Controlling or monitoring
    • C02F2201/4615—Time
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/46—Apparatus for electrochemical processes
    • C02F2201/461—Electrolysis apparatus
    • C02F2201/46105—Details relating to the electrolytic devices
    • C02F2201/4618—Supplying or removing reactants or electrolyte
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Treating Waste Gases (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
GB9101483A 1990-03-15 1991-01-23 Decyanation process Expired - Fee Related GB2241960B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN90202759U CN2063121U (en) 1990-03-15 1990-03-15 Cyanogen removing purifier
CN90104317A CN1057245A (en) 1990-03-15 1990-06-14 Purifier for cyanogen removal reaches the technological process for purifying of removing prussiate from waste liquid

Publications (3)

Publication Number Publication Date
GB9101483D0 GB9101483D0 (en) 1991-03-06
GB2241960A GB2241960A (en) 1991-09-18
GB2241960B true GB2241960B (en) 1994-08-03

Family

ID=25742640

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9101483A Expired - Fee Related GB2241960B (en) 1990-03-15 1991-01-23 Decyanation process

Country Status (8)

Country Link
JP (1) JP2603760B2 (en)
CN (2) CN2063121U (en)
AU (1) AU650252B2 (en)
CA (1) CA2031631A1 (en)
DE (1) DE4040766A1 (en)
FR (1) FR2659642A1 (en)
GB (1) GB2241960B (en)
IT (1) IT1244362B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10301492A (en) 1997-04-23 1998-11-13 Sony Corp Enciphering device and method therefor, decoding device and method therefor, and information processing device and method therefor
EP2214848B1 (en) * 2007-11-15 2014-08-27 Maelgwyn Mineral Services Africa (Proprietary) Limited Removal of cyanide from aqueous streams
CN102701334A (en) * 2012-06-15 2012-10-03 紫金矿业集团股份有限公司 Method for treating cyanide and ammonia nitrogen in gold smelting wastewater through electrocatalytic oxidation process
CN102826634B (en) * 2012-09-13 2014-01-01 天津首新科技有限公司 Large-volume split type sterilization clean water generator
CN102895854B (en) * 2012-10-17 2014-09-24 浙江大学 Device for preparing silver cyanide (AgCN) by recovering hydrogen cyanide (HCN) through electrodynamic migration and method for device
CN104001411B (en) * 2014-05-26 2016-03-30 杨新玉 A kind of exhaust treatment system and processing method disposing rubbish generation
CN108217899B (en) * 2018-01-31 2019-01-15 浙江龙呈电力设备有限公司 A kind of electronic pollution emission reduction device
CN108829021A (en) * 2018-06-09 2018-11-16 深圳市中电数通智慧安全科技股份有限公司 A kind of industry park exhaust-gas treatment Internet of Things monitoring system
CN108704469A (en) * 2018-06-27 2018-10-26 和县新拓工业设计有限公司 A kind of novel electroplating emission-control equipment
CN110385001A (en) * 2019-07-31 2019-10-29 河池市机务材料有限公司 A kind of spongy chromium plating plating waste gas recycling device
CN112062226A (en) * 2020-08-10 2020-12-11 东北大学 Treatment method of high-concentration cyanogen-containing barren solution
CN113209796A (en) * 2021-05-08 2021-08-06 陈烈武 High efficiency purifier is used in industrial waste gas treatment

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1025282A (en) * 1962-05-23 1966-04-06 Michael Charles Dart Improvements in or relating to the treatment by electrolytic oxidation of cyanide wastes
US3756932A (en) * 1971-04-08 1973-09-04 Industrial Filter Pump Mfg Co Electrolytic cyanide destruction
JPS49120463A (en) * 1973-03-22 1974-11-18
GB1382540A (en) * 1972-06-29 1975-02-05 Stanley Electric Co Ltd Electrolytic treatment of waste water containing cyanide
GB1433858A (en) * 1974-05-09 1976-04-28 Standard Telephones Cables Ltd Neutralisation of cyanide residues
US3970531A (en) * 1974-09-04 1976-07-20 Rockwell International Corporation Decreasing the cyanide and heavy metal content of an aqueous solution
GB1505361A (en) * 1975-02-18 1978-03-30 Nat Res Dev Electrochemical oxidation of cyanides
US4417963A (en) * 1980-07-11 1983-11-29 Nils-Erik Sodermark Process for removing cyanide ions from solutions

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL274716A (en) * 1961-02-13
FR2190743A1 (en) * 1972-06-28 1974-02-01 Studelec Electrolytic destruction of cyanides - in waste water and industrial effluents

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1025282A (en) * 1962-05-23 1966-04-06 Michael Charles Dart Improvements in or relating to the treatment by electrolytic oxidation of cyanide wastes
US3756932A (en) * 1971-04-08 1973-09-04 Industrial Filter Pump Mfg Co Electrolytic cyanide destruction
GB1382540A (en) * 1972-06-29 1975-02-05 Stanley Electric Co Ltd Electrolytic treatment of waste water containing cyanide
JPS49120463A (en) * 1973-03-22 1974-11-18
GB1433858A (en) * 1974-05-09 1976-04-28 Standard Telephones Cables Ltd Neutralisation of cyanide residues
US3970531A (en) * 1974-09-04 1976-07-20 Rockwell International Corporation Decreasing the cyanide and heavy metal content of an aqueous solution
GB1505361A (en) * 1975-02-18 1978-03-30 Nat Res Dev Electrochemical oxidation of cyanides
US4417963A (en) * 1980-07-11 1983-11-29 Nils-Erik Sodermark Process for removing cyanide ions from solutions

Also Published As

Publication number Publication date
CN1057245A (en) 1991-12-25
FR2659642A1 (en) 1991-09-20
ITMI910032A1 (en) 1992-07-09
DE4040766A1 (en) 1991-09-19
FR2659642B1 (en) 1995-03-24
GB2241960A (en) 1991-09-18
CA2031631A1 (en) 1991-09-16
ITMI910032A0 (en) 1991-01-09
IT1244362B (en) 1994-07-08
AU7126491A (en) 1991-09-19
JPH04222690A (en) 1992-08-12
JP2603760B2 (en) 1997-04-23
CN2063121U (en) 1990-10-03
GB9101483D0 (en) 1991-03-06
AU650252B2 (en) 1994-06-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19980123