MD2746G2 - Procedeu de eliminare selectivă a ionilor de cianură, tiocianat şi cianat din soluţii - Google Patents

Procedeu de eliminare selectivă a ionilor de cianură, tiocianat şi cianat din soluţii

Info

Publication number
MD2746G2
MD2746G2 MDA20040118A MD20040118A MD2746G2 MD 2746 G2 MD2746 G2 MD 2746G2 MD A20040118 A MDA20040118 A MD A20040118A MD 20040118 A MD20040118 A MD 20040118A MD 2746 G2 MD2746 G2 MD 2746G2
Authority
MD
Moldova
Prior art keywords
thiocyanate
cyanide
cyanate ions
solutions
solution
Prior art date
Application number
MDA20040118A
Other languages
English (en)
Russian (ru)
Other versions
MD2746F1 (ro
Inventor
Василе ГУЦАНУ
Илие РОШКА
Original Assignee
Государственный Университет Молд0
Технический университет Молдовы
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 Государственный Университет Молд0, Технический университет Молдовы filed Critical Государственный Университет Молд0
Priority to MDA20040118A priority Critical patent/MD2746G2/ro
Publication of MD2746F1 publication Critical patent/MD2746F1/ro
Publication of MD2746G2 publication Critical patent/MD2746G2/ro

Links

Landscapes

  • Removal Of Specific Substances (AREA)

Abstract

Invenţia se referă la chimie şi anume la un procedeu de purificare a soluţiilor de ionii de cianură, tiocianat şi cianat, inclusiv a apelor reziduale obţinute la extracţia metalelor neferoase şi preţioase şi din industria cocsochimică.Esenţa invenţiei constă în aceea că soluţia, care conţine ioni de cianură, tiocianat sau cianat se trece printr-o coloană cu sorbent schimbător de anioni selectiv, obţinut prin modificarea în prealabil a anioniţilor puternic bazici cu compuşi de fier(III), la tratarea a 0,5...1,0 g de anionit cu 100 ml de soluţie, ce conţine 6...8 g/l sulfat de fier(III) nonahidrat la temperatura de 45...55ºC timp de 8...12 ore.
MDA20040118A 2004-05-13 2004-05-13 Procedeu de eliminare selectivă a ionilor de cianură, tiocianat şi cianat din soluţii MD2746G2 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MDA20040118A MD2746G2 (ro) 2004-05-13 2004-05-13 Procedeu de eliminare selectivă a ionilor de cianură, tiocianat şi cianat din soluţii

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MDA20040118A MD2746G2 (ro) 2004-05-13 2004-05-13 Procedeu de eliminare selectivă a ionilor de cianură, tiocianat şi cianat din soluţii

Publications (2)

Publication Number Publication Date
MD2746F1 MD2746F1 (ro) 2005-04-30
MD2746G2 true MD2746G2 (ro) 2005-12-31

Family

ID=34511285

Family Applications (1)

Application Number Title Priority Date Filing Date
MDA20040118A MD2746G2 (ro) 2004-05-13 2004-05-13 Procedeu de eliminare selectivă a ionilor de cianură, tiocianat şi cianat din soluţii

Country Status (1)

Country Link
MD (1) MD2746G2 (ro)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD4318C1 (ro) * 2013-06-18 2015-08-31 Государственный Университет Молд0 Procedeu de purificare a apei de nitraţi şi nitriţi

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU592761A1 (ru) * 1976-01-07 1978-02-15 Государственный Научно-Исследовательский И Проектный Институт По Обогащению Руд Цветных Металлов Способ очистки сточных вод
RU2154613C1 (ru) * 1999-06-21 2000-08-20 Байкальский институт природопользования СО РАН Способ очистки сточных вод от цианидов и роданидов

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU592761A1 (ru) * 1976-01-07 1978-02-15 Государственный Научно-Исследовательский И Проектный Институт По Обогащению Руд Цветных Металлов Способ очистки сточных вод
RU2154613C1 (ru) * 1999-06-21 2000-08-20 Байкальский институт природопользования СО РАН Способ очистки сточных вод от цианидов и роданидов

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Смирнов Д.Н., Генкин В.Е. Очистка сточных вод в процессах обработки металлов. Москва, Металлургия, 1980, с. 78-82 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD4318C1 (ro) * 2013-06-18 2015-08-31 Государственный Университет Молд0 Procedeu de purificare a apei de nitraţi şi nitriţi

Also Published As

Publication number Publication date
MD2746F1 (ro) 2005-04-30

Similar Documents

Publication Publication Date Title
EP2360183A4 (en) ANTIBODY CLEANING PROCESS
HK1133223A1 (en) Process for scrubbing ammonia from acid gases comprising ammonia and hydrogen sulfide
MY150463A (en) Process for the removal of ammonia from an ammonia-containing gas stream
GB2455243A (en) A process for the absorption of sulphur dioxide from flue gas
EA201170648A1 (ru) Очистка спиртов перед их применением в присутствии кислотного катализатора
Oulego et al. Simultaneous oxidation of cyanide and thiocyanate at high pressure and temperature
CN109368872A (zh) 一种钨冶炼废水深度处理的方法
CN105036425A (zh) 含盐有机废水的资源化处理方法
BR0204604A (pt) Processo para o tratamento de águas servidas que contêm ácidos e metais, em particular, águas de lavagem
WO2005075355A3 (en) Process of removal of ammonium from waste water
Minhalma et al. Development of nanofiltration/steam stripping sequence for coke plant wastewater treatment
MD2746G2 (ro) Procedeu de eliminare selectivă a ionilor de cianură, tiocianat şi cianat din soluţii
CN104030510A (zh) 一种黄金冶炼酸性废水中酸和重金属回收的方法
ATE420845T1 (de) Aufarbeitung von reaktionslösungen aus ganzzell- biotransformationen
US2795544A (en) Treatment of liquors containing thiocyanate, thiosulphate, and phenols
KR20090067970A (ko) 시안 함유 폐수 처리 방법
JP2014512957A (ja) 酸性鉱水の浄化
TW200833827A (en) Method for purifying chemical added with chelating agent
Kudo et al. Coagulation-sedimentation method using aluminum sulfate and calcium hydroxide for removal of boric acid from wastewater-improvement of removal rate of boric acid by addition of gypsum into wastewater
SU1321695A1 (ru) Способ очистки сточных вод от органических веществ
CN102351295A (zh) 一种对氯邻硝基苯胺废水处理方法
JPH0952706A (ja) ヒドラジン化合物の処理方法
CN104138738B (zh) 一种利用废酸制备饮用水级聚合氯化铝中亚硝酸盐的去除方法
MD4241C1 (ro) Procedeu de captare a ionilor de sulfură şi hidrogenosulfură din soluţii
MY129642A (en) Process for treating an aqueous medium containing phosphate salt and organic compounds

Legal Events

Date Code Title Description
KA4A Patent for invention lapsed due to non-payment of fees (with right of restoration)
MM4A Patent for invention definitely lapsed due to non-payment of fees