MD4241C1 - Procedeu de captare a ionilor de sulfură şi hidrogenosulfură din soluţii - Google Patents

Procedeu de captare a ionilor de sulfură şi hidrogenosulfură din soluţii

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Publication number
MD4241C1
MD4241C1 MDA20120106A MD20120106A MD4241C1 MD 4241 C1 MD4241 C1 MD 4241C1 MD A20120106 A MDA20120106 A MD A20120106A MD 20120106 A MD20120106 A MD 20120106A MD 4241 C1 MD4241 C1 MD 4241C1
Authority
MD
Moldova
Prior art keywords
sulphide
ions
recovery
solutions
hydrosulphide
Prior art date
Application number
MDA20120106A
Other languages
English (en)
Russian (ru)
Other versions
MD4241B1 (ro
Inventor
Василе ГУЦАНУ
Original Assignee
Государственный Университет Молд0
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 filed Critical Государственный Университет Молд0
Priority to MDA20120106A priority Critical patent/MD4241C1/ro
Publication of MD4241B1 publication Critical patent/MD4241B1/ro
Publication of MD4241C1 publication Critical patent/MD4241C1/ro

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  • Removal Of Specific Substances (AREA)

Abstract

Invenţia se referă la chimie, şi anume la un procedeu de captare a ionilor de sulfură şi hidrogenosulfură din diverse lichide, inclusiv din diferite categorii de ape, şi poate fi utilizată la purificarea apelor potabile, tehnologice şi reziduale.Esenţa invenţiei constă în aceea că procedeul de captare a ionilor de sulfură şi hidrogenosulfură din soluţii prevede contactarea soluţiei, care conţine ioni de sulfură şi hidrogenosulfură, cu un schimbător de anioni puternic bazic, prealabil modificat cu Bi(III) prin tratarea a 5 g de polimer cu 250 mL soluţie de 0,016 M Bi(NO3)3 cu pH-ul 0,25, la temperatura de 55°C timp de 5,5 ore.Rezultatul tehnic constă în aceea că procedeul propus nu poluează apa purificată cu compuşi ai sulfului oxidat - ioni de sulfat, sulfit şi tiosulfat, precum şi cu sulf coloidal, eliminarea căruia din apă este dificilă.
MDA20120106A 2012-06-11 2012-06-11 Procedeu de captare a ionilor de sulfură şi hidrogenosulfură din soluţii MD4241C1 (ro)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MDA20120106A MD4241C1 (ro) 2012-06-11 2012-06-11 Procedeu de captare a ionilor de sulfură şi hidrogenosulfură din soluţii

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MDA20120106A MD4241C1 (ro) 2012-06-11 2012-06-11 Procedeu de captare a ionilor de sulfură şi hidrogenosulfură din soluţii

Publications (2)

Publication Number Publication Date
MD4241B1 MD4241B1 (ro) 2013-07-31
MD4241C1 true MD4241C1 (ro) 2014-02-28

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MDA20120106A MD4241C1 (ro) 2012-06-11 2012-06-11 Procedeu de captare a ionilor de sulfură şi hidrogenosulfură din soluţii

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MD (1) MD4241C1 (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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3956473A (en) * 1972-10-02 1976-05-11 Institut Francais Du Petrole, Des Carburants Et Lubrifiants Process for oxidizing hydrogen sulfide to sulfur by means of molecular oxygen in the presence of transition metal complexes as catalysts
JPS5375165A (en) * 1976-12-16 1978-07-04 Asahi Chem Ind Co Ltd Treating method for sulfiding solution
US4179403A (en) * 1977-12-19 1979-12-18 Shell Oil Company Resin-ligand-metal complex compositions
JPS6360112A (ja) * 1986-08-29 1988-03-16 Toagosei Chem Ind Co Ltd ビスマス化合物およびこの化合物を有効成分とする無機陰イオン交換体
US4784775A (en) * 1987-03-02 1988-11-15 Ari Technologies, Inc. Removal of hydrogen sulfide from sour water
DE4125627A1 (de) * 1991-08-02 1993-02-04 Fraunhofer Ges Forschung Verfahren zur entfernung von nitrat aus wasser
JP2000016814A (ja) * 1998-06-30 2000-01-18 Natl Inst For Res In Inorg Mater 無機陰イオン交換性に優れた含水ビスマス化合物とその製造法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3956473A (en) * 1972-10-02 1976-05-11 Institut Francais Du Petrole, Des Carburants Et Lubrifiants Process for oxidizing hydrogen sulfide to sulfur by means of molecular oxygen in the presence of transition metal complexes as catalysts
JPS5375165A (en) * 1976-12-16 1978-07-04 Asahi Chem Ind Co Ltd Treating method for sulfiding solution
US4179403A (en) * 1977-12-19 1979-12-18 Shell Oil Company Resin-ligand-metal complex compositions
JPS6360112A (ja) * 1986-08-29 1988-03-16 Toagosei Chem Ind Co Ltd ビスマス化合物およびこの化合物を有効成分とする無機陰イオン交換体
US4784775A (en) * 1987-03-02 1988-11-15 Ari Technologies, Inc. Removal of hydrogen sulfide from sour water
DE4125627A1 (de) * 1991-08-02 1993-02-04 Fraunhofer Ges Forschung Verfahren zur entfernung von nitrat aus wasser
JP2000016814A (ja) * 1998-06-30 2000-01-18 Natl Inst For Res In Inorg Mater 無機陰イオン交換性に優れた含水ビスマス化合物とその製造法

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Gutsanu V., Cojocaru L., Lisa G. and Volodina G.F. Ulttrafine particles of bismuth(III) compounds in the phase of crosslinked polymers: Precursors for new sorbents and catalysts. J. Appl. Polym. Sci. 2010, vol. 118, Issue 5, pag. 2674-2681. (Published online: 29 Jun 2010,) DOI: 10.1002/app.32615. (Regăsit în Internet la 2013.05.06, url: http://onlinelibrary.wiley.com/doi/10.1002/app.32615/abstract;jsessionid=BB155B1ADE76FAB8D3A6C84B6B7676DB.d01t04?deniedAccessCustomisedMessage=&userIsAuthenticated=false ) *
Золотова Е.Ф., Асс Г.Ю. Очистка воды от железа, фтора, марганца и сероводорода. Москва, Стройиздат, 1975, стр. 146, 158 *

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
MD4241B1 (ro) 2013-07-31

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FG4A Patent for invention issued
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