ZA93138B - Process and apparatus for purifying industrial wastes of snthetic gypsum. - Google Patents

Process and apparatus for purifying industrial wastes of snthetic gypsum.

Info

Publication number
ZA93138B
ZA93138B ZA93138A ZA93138A ZA93138B ZA 93138 B ZA93138 B ZA 93138B ZA 93138 A ZA93138 A ZA 93138A ZA 93138 A ZA93138 A ZA 93138A ZA 93138 B ZA93138 B ZA 93138B
Authority
ZA
South Africa
Prior art keywords
snthetic
gypsum
industrial wastes
purifying industrial
purifying
Prior art date
Application number
ZA93138A
Inventor
Francoise Dupre
Original Assignee
Francoise Dupre
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 Francoise Dupre filed Critical Francoise Dupre
Publication of ZA93138B publication Critical patent/ZA93138B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/50—Destroying solid waste or transforming solid waste into something useful or harmless involving radiation, e.g. electro-magnetic waves
    • 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
    • A62D3/40—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by heating to effect chemical change, e.g. pyrolysis
    • 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
    • A62D3/10—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation
    • A62D3/17—Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances by subjecting to electric or wave energy or particle or ionizing radiation to electromagnetic radiation, e.g. emitted by a laser
    • A62D3/178—Microwave radiations, i.e. radiation having a wavelength of about 0.3 cm to 30cm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
    • B01J19/122—Incoherent waves
    • B01J19/126—Microwaves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/20—Agglomeration, binding or encapsulation of solid waste
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/32—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action
    • F26B3/34—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects
    • F26B3/343—Drying solid materials or objects by processes involving the application of heat by development of heat within the materials or objects to be dried, e.g. by fermentation or other microbiological action by using electrical effects in combination with convection
    • 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
    • A62D2101/41—Inorganic fibres, e.g. asbestos
    • 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
    • A62D2203/00—Aspects of processes for making harmful chemical substances harmless, or less harmful, by effecting chemical change in the substances
    • A62D2203/02—Combined processes involving two or more distinct steps covered by groups A62D3/10 - A62D3/40
    • 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
    • A62D2203/00—Aspects of processes for making harmful chemical substances harmless, or less harmful, by effecting chemical change in the substances
    • A62D2203/10—Apparatus specially adapted for treating harmful chemical agents; Details thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Microbiology (AREA)
  • Emergency Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Molecular Biology (AREA)
  • Thermal Sciences (AREA)
  • Optics & Photonics (AREA)
  • Processing Of Solid Wastes (AREA)
ZA93138A 1992-01-10 1993-01-08 Process and apparatus for purifying industrial wastes of snthetic gypsum. ZA93138B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH51/92A CH684191A5 (en) 1992-01-10 1992-01-10 Process and installation for the treatment of industrial residues of synthetic gypsum.

Publications (1)

Publication Number Publication Date
ZA93138B true ZA93138B (en) 1993-08-16

Family

ID=4178203

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA93138A ZA93138B (en) 1992-01-10 1993-01-08 Process and apparatus for purifying industrial wastes of snthetic gypsum.

Country Status (5)

Country Link
AU (1) AU3455893A (en)
CH (1) CH684191A5 (en)
MX (1) MX9300107A (en)
WO (1) WO1993013830A1 (en)
ZA (1) ZA93138B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29505419U1 (en) * 1995-03-30 1995-07-13 Kollmer, Hansjakob, 77933 Lahr Device for drying and hardening orthopedic molded parts made of plaster
FR2736419B1 (en) * 1995-07-03 1997-08-08 Aubert Bruno METHOD OF INCINERATION ASSISTED BY AN ELECTRO-MAGNETIC FIELD AND IMPLEMENTATION DEVICE
DE102006041656A1 (en) * 2006-08-24 2008-02-28 Paul Hartmann Ag Apparatus for the production of plaster bandages and method therefor
ITUD20100166A1 (en) * 2010-09-16 2012-03-17 Thermopress Srl CDR-Q PRODUCTION SYSTEM
CN105417976A (en) * 2016-01-01 2016-03-23 澧县方石坪镇杨朴矿山机械厂 Continuous dehydrator for gypsum particles and technology control method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3376676D1 (en) * 1983-12-19 1988-06-23 Micro Rayonnements Sa Process and apparatus for drying moist products, in particular mixtures containing clay
EP0266437A1 (en) * 1986-10-31 1988-05-11 Wolfgang Dr. Pose Process and apparatus for neutralizing toxins and pollutants, especially products and objects which cause allergies when contacted by humans
US4954681A (en) * 1988-05-31 1990-09-04 Kawata Co., Ltd. Drying and crystallizing apparatus for granules, which employs a microwave device
DE4011573A1 (en) * 1990-04-10 1991-10-17 Hubert Baier Use of electromagnetic waves, esp. microwaves - for drying materials or (partially) dehydrating gypsum

Also Published As

Publication number Publication date
CH684191A5 (en) 1994-07-29
AU3455893A (en) 1993-08-03
MX9300107A (en) 1994-04-29
WO1993013830A1 (en) 1993-07-22

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