SG11201503920YA - Treatment of sodic fly ash for reducing the leachability of selenium contained herein - Google Patents

Treatment of sodic fly ash for reducing the leachability of selenium contained herein

Info

Publication number
SG11201503920YA
SG11201503920YA SG11201503920YA SG11201503920YA SG11201503920YA SG 11201503920Y A SG11201503920Y A SG 11201503920YA SG 11201503920Y A SG11201503920Y A SG 11201503920YA SG 11201503920Y A SG11201503920Y A SG 11201503920YA SG 11201503920Y A SG11201503920Y A SG 11201503920YA
Authority
SG
Singapore
Prior art keywords
leachability
reducing
treatment
fly ash
selenium contained
Prior art date
Application number
SG11201503920YA
Inventor
Rasik H Raythatha
David Jean Lucien Savary
Original Assignee
Solvay
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 Solvay filed Critical Solvay
Publication of SG11201503920YA publication Critical patent/SG11201503920YA/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D3/00—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances
    • A62D3/30—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents
    • A62D3/33—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by chemical fixing the harmful substance, e.g. by chelation or complexation
    • 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
    • B01D53/38—Removing components of undefined structure
    • B01D53/40—Acidic components
    • 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
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/81—Solid phase processes
    • B01D53/83—Solid phase processes with moving reactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/10—Destroying solid waste or transforming solid waste into something useful or harmless involving an adsorption step
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/20—Agglomeration, binding or encapsulation of solid waste
    • B09B3/25—Agglomeration, binding or encapsulation of solid waste using mineral binders or matrix
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/08—Toxic combustion residues, e.g. toxic substances contained in fly ash from waste incineration
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/20—Organic substances
    • A62D2101/24—Organic substances containing heavy metals
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D2101/00—Harmful chemical substances made harmless, or less harmful, by effecting chemical change
    • A62D2101/40—Inorganic substances
    • A62D2101/43—Inorganic substances containing heavy metals, in the bonded or free state
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/30—Alkali metal compounds
    • B01D2251/304—Alkali metal compounds of sodium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/40—Alkaline earth metal or magnesium compounds
    • B01D2251/402—Alkaline earth metal or magnesium compounds of magnesium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/204—Inorganic halogen compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B01D2257/302—Sulfur oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/404—Nitrogen oxides other than dinitrogen oxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE
    • B09B2101/00—Type of solid waste
    • B09B2101/30—Incineration ashes
SG11201503920YA 2012-12-05 2013-12-05 Treatment of sodic fly ash for reducing the leachability of selenium contained herein SG11201503920YA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261733521P 2012-12-05 2012-12-05
PCT/EP2013/075651 WO2014086921A1 (en) 2012-12-05 2013-12-05 Treatment of sodic fly ash for reducing the leachability of selenium contained herein

Publications (1)

Publication Number Publication Date
SG11201503920YA true SG11201503920YA (en) 2015-07-30

Family

ID=49713095

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201503920YA SG11201503920YA (en) 2012-12-05 2013-12-05 Treatment of sodic fly ash for reducing the leachability of selenium contained herein

Country Status (5)

Country Link
US (1) US20150314155A1 (en)
EP (1) EP2931442A1 (en)
CN (1) CN104853856B (en)
SG (1) SG11201503920YA (en)
WO (1) WO2014086921A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3151930A4 (en) * 2014-06-04 2018-02-14 Solvay SA Treatment method for coal fly ash
EP3152491A4 (en) 2014-06-04 2018-08-01 Solvay Sa Stabilization of sodic fly ash of type f using calcium-based material
CN106944454A (en) * 2017-02-15 2017-07-14 长安大学 A kind of rubbish medical refuse burning flyash harmless disposal method and device
CN106964628A (en) * 2017-02-15 2017-07-21 长安大学 A kind of incineration of refuse flyash harmless disposal method
CN113528822B (en) * 2020-11-19 2022-04-08 江西理工大学 Method for recovering tungsten, molybdenum and vanadium from high-alkaline solution and regenerating sodium hydroxide
CN112981118B (en) * 2021-04-23 2021-07-23 中国煤炭地质总局勘查研究总院 Method for extracting gallium element from fly ash

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US3962080A (en) * 1973-10-31 1976-06-08 Industrial Resources, Inc. Sodium sulfur oxides wastes disposal process
JPS5782159A (en) * 1980-11-04 1982-05-22 Shikoku Kaken Kogyo Kk Manufacture of kightweght body
EP0054874B1 (en) * 1980-12-20 1984-05-09 Hoechst Aktiengesellschaft Inorganic foamed material and method of producing it
US4659385A (en) * 1982-08-23 1987-04-21 Costopoulos Nick G Building material manufacturing from fly ash
JPS60121515A (en) * 1983-12-06 1985-06-29 Konishiroku Photo Ind Co Ltd Magnetic recording medium
US4588569A (en) * 1985-02-21 1986-05-13 Intermountain Research & Development Corporation Dry injection flue gas desulfurization process using absorptive soda ash sorbent
FR2681795B1 (en) 1991-09-30 1993-11-19 Solvay PROCESS FOR CLEANING A GAS CONTAINING NITRIC OXIDE AND SULFUR DIOXIDE.
WO1995013886A1 (en) * 1993-11-15 1995-05-26 Kanegafuchi Kagaku Kogyo Kabushiki Kaisha Method of waste disposal
IT1269193B (en) 1994-01-20 1997-03-21 Solvay REACTIVE COMPOSITION AND PROCEDURE FOR THE PURIFICATION OF A GAS CONTAINING HYDROGEN CHLORIDE
JPH11156326A (en) * 1997-11-27 1999-06-15 Ozawa Concrete Ind Co Ltd Solidification of fly ash
CN1259286C (en) * 2000-06-02 2006-06-14 赵善茂 Complex utilization method for coal burning boiler smoke and ash slag
EP1333014A4 (en) * 2000-10-17 2005-07-20 Oda Construction Co Ltd Porous, sound absorbing ceramic moldings and method for production thereof
US7141112B2 (en) * 2003-01-31 2006-11-28 Douglas C Comrie Cementitious materials including stainless steel slag and geopolymers
US20050049449A1 (en) * 2003-08-25 2005-03-03 Forrester Keith Edward Method for chemiophysical stabilization of waste
US20100192808A1 (en) * 2003-08-25 2010-08-05 Amlan Datta Synthetic Microspheres and Methods of Making Same
JP2006095356A (en) * 2004-09-28 2006-04-13 Miyoshi Oil & Fat Co Ltd Method for fixing selenium in solid waste
US7531154B2 (en) 2005-08-18 2009-05-12 Solvay Chemicals Method of removing sulfur dioxide from a flue gas stream
US7481987B2 (en) 2005-09-15 2009-01-27 Solvay Chemicals Method of removing sulfur trioxide from a flue gas stream
JP2009528240A (en) * 2006-03-01 2009-08-06 セメンテク・ピーティーワイ・リミテッド Masonry member matrix and manufacturing method thereof
US8177906B2 (en) * 2007-07-12 2012-05-15 Ceramatec, Inc. Treatment of fly ash for use in concrete
DE102007038403C5 (en) * 2007-08-14 2021-04-22 Erlus Aktiengesellschaft Dry mix for an acid-resistant socket filling material, mortar made therefrom, method for producing a mortar, method for producing a socket joint and uses of the dry mix
WO2009058771A2 (en) * 2007-11-01 2009-05-07 Terra Materials, Llc A method for stabilization and/or fixation of leachable metals
US8795429B2 (en) * 2010-12-30 2014-08-05 United States Gypsum Company Method for in-situ manufacture of a lightweight fly ash based aggregate
US20100145130A1 (en) * 2008-12-09 2010-06-10 Mccullough Thomas P Treatment Method for Stabilizing Selenium in Coal Combustion Ash
US8951487B2 (en) * 2010-10-25 2015-02-10 ADA-ES, Inc. Hot-side method and system
CN102008936B (en) * 2010-12-25 2013-01-09 河南科技大学 Method for preparing phosphorus adsorbing material from fly ash

Also Published As

Publication number Publication date
WO2014086921A1 (en) 2014-06-12
CN104853856A (en) 2015-08-19
CN104853856B (en) 2017-11-07
EP2931442A1 (en) 2015-10-21
US20150314155A1 (en) 2015-11-05

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