RU95118139A - METHOD FOR CONTINUOUS AND SIMULTANEOUS COLLECTION AND DEPOSITION OF MERCURY FROM CONTAINING ITS GASES - Google Patents

METHOD FOR CONTINUOUS AND SIMULTANEOUS COLLECTION AND DEPOSITION OF MERCURY FROM CONTAINING ITS GASES

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Publication number
RU95118139A
RU95118139A RU95118139/25A RU95118139A RU95118139A RU 95118139 A RU95118139 A RU 95118139A RU 95118139/25 A RU95118139/25 A RU 95118139/25A RU 95118139 A RU95118139 A RU 95118139A RU 95118139 A RU95118139 A RU 95118139A
Authority
RU
Russia
Prior art keywords
mercury
complex
amount
anions
gases
Prior art date
Application number
RU95118139/25A
Other languages
Russian (ru)
Other versions
RU2139752C1 (en
Inventor
Менендес Фернандо Ситхес
Тамарго Франсиско Альварес
Гарсиа Франсиско Тамарго
Валькарсель Матиас Родригес
Ситхес Ковадонга Мурусабаль
Original Assignee
Астуриана де Синк, С.А.
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 ES09402221A external-priority patent/ES2097699B1/en
Application filed by Астуриана де Синк, С.А. filed Critical Астуриана де Синк, С.А.
Publication of RU95118139A publication Critical patent/RU95118139A/en
Application granted granted Critical
Publication of RU2139752C1 publication Critical patent/RU2139752C1/en

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Claims (7)

1. Способ непрерывного и одновременного сбора и осаждения ртути из содержащих ее газов путем взаимодействия указанных газов в промывной колонне с раствором, содержащим стабильное в слабокислой среде соединение ртути Нg (II), в котором может присутствовать суспендированный активный уголь, отличающийся тем, что сбор и осаждение ртути Нg в виде сульфида ртути и регенерацию комплекса ртути Нg (II) осуществляют одновременно и в одну стадию только посредством инжекции газообразного сероводорода в указанную промывную колонну.1. A method for continuous and simultaneous collection and deposition of mercury from gases containing it by reacting these gases in a wash column with a solution containing a mercury compound Hg (II) stable in a slightly acidic medium, in which suspended activated carbon may be present, characterized in that the collection and the precipitation of mercury Hg in the form of mercury sulfide and the regeneration of the complex of mercury Hg (II) is carried out simultaneously and in one stage only by injection of gaseous hydrogen sulfide into the specified wash column. 2. Способ по п. 1, отличающийся тем, что количество сероводорода, инжектируемого в промывную колонну, выбирают равным стехиометрическому количеству, соответствующему количеству ртути в газе. 2. The method according to p. 1, characterized in that the amount of hydrogen sulfide injected into the wash column is chosen equal to a stoichiometric amount corresponding to the amount of mercury in the gas. 3. Способ по п. 1, отличающийся тем, что количество инжектируемого сероводорода регулируют посредством анализа содержания ртути Нg (II) в водном растворе. 3. The method according to p. 1, characterized in that the amount of injected hydrogen sulfide is regulated by analyzing the mercury content of Hg (II) in an aqueous solution. 4. Способ по п. 1, отличающийся тем, что в качестве анионов, образующих комплекс с ртутью Нg (II), используют предпочтительно анионы тиоцианата для образования комплекса [(SСN)4Нg]2- или анионы йода для образования комплекса [I4Нg]2-.4. The method according to p. 1, characterized in that as the anions forming a complex with mercury Hg (II), thiocyanate anions are preferably used to form the [(SCN) 4 Hg] 2- complex or iodine anions to form the complex [I 4 Hg] 2- . 5. Способ по пп. 1 и 4, отличающийся тем, что количество ртути в растворе выбирают по меньшей мере равным 3,0 г/л в случае, когда в качестве хелатирующего агента для ртути Нg(II) берут анион тиоцианата. 5. The method according to PP. 1 and 4, characterized in that the amount of mercury in the solution is chosen at least equal to 3.0 g / l in the case when the anion of thiocyanate is taken as a chelating agent for mercury Hg (II). 6. Способ по пп. 1 и 4, отличающийся тем, что количество ртути в растворе выбирают по меньшей мере равным 0,3 г/л в случае, когда в качестве хелатирующего агента для ртути Нg(II) берут анион йода. 6. The method according to PP. 1 and 4, characterized in that the amount of mercury in the solution is selected at least equal to 0.3 g / l in the case when iodine anion is taken as the chelating agent for mercury Hg (II). 7. Способ по п. 1, отличающийся тем, что выбирают такую концентрацию анионов, образующих комплекс с ртутью Нg(II), которая превышает стехиометрическое количество, требующееся для формирования этого комплекса. 7. The method according to p. 1, characterized in that they choose a concentration of anions that form a complex with mercury Hg (II), which exceeds the stoichiometric amount required for the formation of this complex.
RU95118139A 1994-10-26 1995-10-25 Method of continuous and simultaneous collection and precipitation of mercury from mercury-containing gases RU2139752C1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ES9402221 1994-10-26
ES09402221A ES2097699B1 (en) 1994-10-26 1994-10-26 CONTINUOUS PROCEDURE FOR THE SIMULTANEOUS COLLECTION AND PRECIPITATION OF MERCURY IN GASES CONTAINING IT.
ES9402220 1994-10-26

Publications (2)

Publication Number Publication Date
RU95118139A true RU95118139A (en) 1997-12-27
RU2139752C1 RU2139752C1 (en) 1999-10-20

Family

ID=8287811

Family Applications (1)

Application Number Title Priority Date Filing Date
RU95118139A RU2139752C1 (en) 1994-10-26 1995-10-25 Method of continuous and simultaneous collection and precipitation of mercury from mercury-containing gases

Country Status (12)

Country Link
US (1) US5744109A (en)
EP (1) EP0709475A1 (en)
JP (1) JPH08206452A (en)
KR (1) KR100287744B1 (en)
CN (1) CN1088608C (en)
AU (1) AU692912B2 (en)
BR (1) BR9504559A (en)
CA (2) CA2158672A1 (en)
ES (1) ES2097699B1 (en)
NO (1) NO317171B1 (en)
PE (1) PE18596A1 (en)
RU (1) RU2139752C1 (en)

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US8496894B2 (en) 2010-02-04 2013-07-30 ADA-ES, Inc. Method and system for controlling mercury emissions from coal-fired thermal processes
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US8845986B2 (en) 2011-05-13 2014-09-30 ADA-ES, Inc. Process to reduce emissions of nitrogen oxides and mercury from coal-fired boilers
US8883099B2 (en) * 2012-04-11 2014-11-11 ADA-ES, Inc. Control of wet scrubber oxidation inhibitor and byproduct recovery
US9957454B2 (en) 2012-08-10 2018-05-01 ADA-ES, Inc. Method and additive for controlling nitrogen oxide emissions
PL2890476T3 (en) * 2012-08-30 2017-01-31 Outotec Finland Oy Method and apparatus for removing mercury from gas
US9889451B2 (en) 2013-08-16 2018-02-13 ADA-ES, Inc. Method to reduce mercury, acid gas, and particulate emissions
CN104531231B (en) * 2014-12-25 2017-01-25 清华大学 High-efficiency composite carbon black washing tower for high-ash-content coal gasification
RU2632956C1 (en) * 2016-05-06 2017-10-11 Владимир Глебович Венгерцев Device and method for disposal of mercury-containing wastes

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