SU828960A3 - Method of purifying cyanide-containing waste water - Google Patents

Method of purifying cyanide-containing waste water Download PDF

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Publication number
SU828960A3
SU828960A3 SU772550053A SU2550053A SU828960A3 SU 828960 A3 SU828960 A3 SU 828960A3 SU 772550053 A SU772550053 A SU 772550053A SU 2550053 A SU2550053 A SU 2550053A SU 828960 A3 SU828960 A3 SU 828960A3
Authority
SU
USSR - Soviet Union
Prior art keywords
waste water
cyanide
containing waste
ferrous
cyanide ions
Prior art date
Application number
SU772550053A
Other languages
Russian (ru)
Inventor
Ивазе Тосио
Хасимото Теруо
Сибуя Юкихико
Харада Хироси
Игути Еуко
Original Assignee
Ниигата Инджиниринг Ко,Лтд (Фирма)
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 JP3073877A external-priority patent/JPS53115661A/en
Priority claimed from JP3863677A external-priority patent/JPS53123559A/en
Priority claimed from JP10141577A external-priority patent/JPS5436062A/en
Application filed by Ниигата Инджиниринг Ко,Лтд (Фирма) filed Critical Ниигата Инджиниринг Ко,Лтд (Фирма)
Application granted granted Critical
Publication of SU828960A3 publication Critical patent/SU828960A3/en

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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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
    • C01C3/00—Cyanogen; Compounds thereof
    • C01C3/08—Simple or complex cyanides of metals
    • C01C3/12—Simple or complex iron cyanides
    • 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
    • C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Removal Of Specific Substances (AREA)
  • Water Treatment By Sorption (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Activated Sludge Processes (AREA)

Abstract

A method for treating a waste water containing cyanide ions, which comprises (1) adding a ferrous salt to the waste water to convert the cyanide ions in it to a precipitate of ferrous ferrocyanide and insoluble Turnbull's blue, (2) adding an alkali agent to the waste water to convert the remaining ferrous ion to Fe(OH)2, and (3) adding a ferric salt to this waste water to precipitate ¢Fe(CN)6!4- formed by addition of the alkali agent as insoluble Berlin blue. The method permits a very efficient removal of the cyanide ions from the cyanide ion-containing waste water. It is particularly suitable for the treatment of gas liquor which has been discharged from the step of quenching coke oven gas and treated with activated carbon and activated sludge.

Description

дополнительной стадии обработки па аннопообмепной смоле.additional stage of processing pa anneobmepnoy resin.

Ф о р Л1 у л а изобретени F o r p l1 of the invention

Способ очистки цианидсодержащил сточ1 ых иод, включаюищй введение солей железа с последующим отделением циаиидпых соединений железа, о т л и ч а ю щ и и с   тем, что, с целью новышени  степени очистки II упрощени  процесса, в сточпые водыThe method of purification of cyanide containing iodine, including the introduction of iron salts, followed by the separation of cyanide iron compounds, and with the fact that, in order to improve the degree of purification of the second process, in the wastewater

последовательно ввод т растворы хлористого железа, гидроокиси патри  и хлорного железа, а цианидные соедннеии  железа отдел ют отстаиванием.solutions of ferric chloride, sodium hydroxide and ferric chloride are introduced in succession, and cyanide compounds of iron are separated by settling.

Источники информации, прин тые во внимание при экспертн.зеSources of information taken into account with expert.

1.Патент Японии 49-18943, кл.С02С 5/00, 14.05.74.1. Japanese Patent 49-18943, C. 02C 5/00, 14.05.74.

2.Патент США .№ 3788983, кл. С 02 С 5/02, 29.01.74 (прототии).2. The US patent. No. 3788983, cl. C 02 C 5/02, 01/29/74 (prototics).

Claims (1)

Ф о р м у л а изобретенияClaim Способ очистки цианидсодержащих сточных иод, включающий введение солей железа с последующим отделением цианидных соединений железа, отличают и й с я тем, что, с. целью повышения степени очистки и упрощения процесса, в сточные воды последовательно вводят растворы хлористого железа, гидроокиси натрия и хлорного железа, а цианидные соединения железа отделяют отстаиванием.The method of purification of cyanide-containing waste iodine, including the introduction of iron salts, followed by separation of the cyanide compounds of iron, is distinguished by the fact that, p. In order to increase the degree of purification and simplify the process, solutions of ferric chloride, sodium hydroxide and ferric chloride are successively introduced into wastewater, and the cyanide compounds of iron are separated by settling.
SU772550053A 1977-03-19 1977-11-30 Method of purifying cyanide-containing waste water SU828960A3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP3073877A JPS53115661A (en) 1977-03-19 1977-03-19 Nonndiluting treatment of gaseous solution
JP3863677A JPS53123559A (en) 1977-04-05 1977-04-05 Method of treating waste water containig low density cyanide
JP10141577A JPS5436062A (en) 1977-08-24 1977-08-24 Method of treating gas liquor

Publications (1)

Publication Number Publication Date
SU828960A3 true SU828960A3 (en) 1981-05-07

Family

ID=27287075

Family Applications (1)

Application Number Title Priority Date Filing Date
SU772550053A SU828960A3 (en) 1977-03-19 1977-11-30 Method of purifying cyanide-containing waste water

Country Status (4)

Country Link
CA (1) CA1089573A (en)
DE (1) DE2753401C2 (en)
FR (1) FR2383888A1 (en)
SU (1) SU828960A3 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5893408A (en) * 1995-08-04 1999-04-13 Nautica Dehumidifiers, Inc. Regenerative heat exchanger for dehumidification and air conditioning with variable airflow
MD4139C1 (en) * 2010-06-28 2012-07-31 Государственный Университет Молд0 Process for neutralization of waste obtained from wine demetallization with potassium hexacyanoferrate (II)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4211646A (en) * 1977-10-31 1980-07-08 Texaco Inc. Waste water process
US4312760A (en) * 1980-02-19 1982-01-26 Neville Roy G Method for the removal of free and complex cyanides from water
FR2854088B1 (en) * 2003-04-23 2006-09-29 Inertec METHOD FOR FIXING CYANIDES IN SOLID WASTE OR IN WATER
CN105399261B (en) * 2015-12-12 2018-02-13 李运华 A kind of processing method of low concentration electroplating cyanic waste water
CN110627258A (en) * 2019-10-24 2019-12-31 上海蓝科石化环保科技股份有限公司 Treatment device and process for high-concentration cyanide-containing wastewater
CN112863611B (en) * 2021-01-14 2022-03-08 山东黄金矿业科技有限公司选冶实验室分公司 Method for determining iron salt dosage extreme value in cyanide-containing wastewater treatment by iron salt precipitation method
CN112915752B (en) * 2021-01-25 2023-04-07 广东溢达纺织有限公司 Flue gas and waste water treatment method and treatment device thereof
CN113200897B (en) * 2021-03-22 2024-02-23 江西欧氏化工有限公司 Novel cyanidation process for synthesizing cartap
CN113908799B (en) * 2021-12-14 2022-03-08 山东省科学院生态研究所(山东省科学院中日友好生物技术研究中心) Preparation method and application of magnetic Prussian blue nano clay

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1286463B (en) * 1963-04-24 1969-01-02 Bucksteeg Process for the detoxification of wastewater containing cyanide
CH545254A (en) * 1972-09-27 1973-12-15 Ciba Geigy Ag Process for purifying waste water
ZA737730B (en) * 1972-10-26 1974-09-25 St Regis Paper Co Process for reducing the organic carbon content and improving the color of aqueous plant effluents

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5893408A (en) * 1995-08-04 1999-04-13 Nautica Dehumidifiers, Inc. Regenerative heat exchanger for dehumidification and air conditioning with variable airflow
MD4139C1 (en) * 2010-06-28 2012-07-31 Государственный Университет Молд0 Process for neutralization of waste obtained from wine demetallization with potassium hexacyanoferrate (II)

Also Published As

Publication number Publication date
DE2753401C2 (en) 1982-11-25
FR2383888A1 (en) 1978-10-13
FR2383888B1 (en) 1982-04-30
DE2753401A1 (en) 1978-09-21
CA1089573A (en) 1980-11-11

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