FR2654020B3 - PROCESS FOR TREATING FLY ASH TO ELIMINATE CALCIUM SULFITE. - Google Patents

PROCESS FOR TREATING FLY ASH TO ELIMINATE CALCIUM SULFITE.

Info

Publication number
FR2654020B3
FR2654020B3 FR8914465A FR8914465A FR2654020B3 FR 2654020 B3 FR2654020 B3 FR 2654020B3 FR 8914465 A FR8914465 A FR 8914465A FR 8914465 A FR8914465 A FR 8914465A FR 2654020 B3 FR2654020 B3 FR 2654020B3
Authority
FR
France
Prior art keywords
fly ash
calcium sulfite
treating fly
eliminate calcium
eliminate
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
FR8914465A
Other languages
French (fr)
Other versions
FR2654020A1 (en
Inventor
Pera Jean
Lacroix Henri
Martin-Calle Serge
Ascher Gerard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WINTEC SA
Original Assignee
WINTEC SA
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 WINTEC SA filed Critical WINTEC SA
Priority to FR8914465A priority Critical patent/FR2654020B3/en
Publication of FR2654020A1 publication Critical patent/FR2654020A1/en
Application granted granted Critical
Publication of FR2654020B3 publication Critical patent/FR2654020B3/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • A62D3/38—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by reacting with chemical agents by oxidation; by combustion
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
    • C04B20/02—Treatment
    • 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
    • A62D2101/40—Inorganic substances
    • A62D2101/47—Inorganic substances containing oxygen, sulfur, selenium or tellurium, i.e. chalcogen
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete
FR8914465A 1989-11-03 1989-11-03 PROCESS FOR TREATING FLY ASH TO ELIMINATE CALCIUM SULFITE. Expired - Fee Related FR2654020B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8914465A FR2654020B3 (en) 1989-11-03 1989-11-03 PROCESS FOR TREATING FLY ASH TO ELIMINATE CALCIUM SULFITE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8914465A FR2654020B3 (en) 1989-11-03 1989-11-03 PROCESS FOR TREATING FLY ASH TO ELIMINATE CALCIUM SULFITE.

Publications (2)

Publication Number Publication Date
FR2654020A1 FR2654020A1 (en) 1991-05-10
FR2654020B3 true FR2654020B3 (en) 1992-03-06

Family

ID=9387079

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8914465A Expired - Fee Related FR2654020B3 (en) 1989-11-03 1989-11-03 PROCESS FOR TREATING FLY ASH TO ELIMINATE CALCIUM SULFITE.

Country Status (1)

Country Link
FR (1) FR2654020B3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0646051B1 (en) * 1992-06-09 1999-03-10 Matrix Technology Pty. Ltd. Treatment of waste materials for disposal
FR2757272A1 (en) * 1996-12-13 1998-06-19 Comex Technologies Evaluating nature and quantity of mineral particles such as asbestos in fluid
CH693612A5 (en) * 1999-09-16 2003-11-14 Von Roll Umwelttechnik Ag Method About Check of residues from waste incineration in deponierbares material.

Also Published As

Publication number Publication date
FR2654020A1 (en) 1991-05-10

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Legal Events

Date Code Title Description
ST Notification of lapse