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CA1009775A - Stepwise treatment of aqueous wastes to form solid silicates - Google Patents

Stepwise treatment of aqueous wastes to form solid silicates

Info

Publication number
CA1009775A
CA1009775A CA159,438A CA159438A CA1009775A CA 1009775 A CA1009775 A CA 1009775A CA 159438 A CA159438 A CA 159438A CA 1009775 A CA1009775 A CA 1009775A
Authority
CA
Canada
Prior art keywords
form solid
aqueous wastes
stepwise treatment
solid silicates
silicates
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
Application number
CA159,438A
Other versions
CA159438S (en
Inventor
David Krofchak
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.)
ONTARIO LIQUID WASTE DISPOSAL Ltd
Original Assignee
ONTARIO LIQUID WASTE DISPOSAL Ltd
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 ONTARIO LIQUID WASTE DISPOSAL Ltd filed Critical ONTARIO LIQUID WASTE DISPOSAL Ltd
Priority to CA159,438A priority Critical patent/CA1009775A/en
Application granted granted Critical
Publication of CA1009775A publication Critical patent/CA1009775A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/0418—Wet materials, e.g. slurries
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/008—Sludge treatment by fixation or solidification
    • 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
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/24—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing alkyl, ammonium or metal silicates; containing silica sols
    • C04B28/26—Silicates of the alkali metals
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Civil Engineering (AREA)
CA159,438A 1972-12-19 1972-12-19 Stepwise treatment of aqueous wastes to form solid silicates Expired CA1009775A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA159,438A CA1009775A (en) 1972-12-19 1972-12-19 Stepwise treatment of aqueous wastes to form solid silicates

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA159,438A CA1009775A (en) 1972-12-19 1972-12-19 Stepwise treatment of aqueous wastes to form solid silicates

Publications (1)

Publication Number Publication Date
CA1009775A true CA1009775A (en) 1977-05-03

Family

ID=4095344

Family Applications (1)

Application Number Title Priority Date Filing Date
CA159,438A Expired CA1009775A (en) 1972-12-19 1972-12-19 Stepwise treatment of aqueous wastes to form solid silicates

Country Status (1)

Country Link
CA (1) CA1009775A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2414026A1 (en) * 1978-01-09 1979-08-03 Krofchak David Soil-like material prodn. from sewage sludge - by adding acidic ferrous salt soln., alkaline earth base, silicic cpd., dry alkaline earth base, removing water and ageing
US4518508A (en) * 1983-06-30 1985-05-21 Solidtek Systems, Inc. Method for treating wastes by solidification
US4600514A (en) 1983-09-15 1986-07-15 Chem-Technics, Inc. Controlled gel time for solidification of multi-phased wastes
EP0482718A1 (en) * 1990-10-25 1992-04-29 PELT & HOOYKAAS B.V. A fixant for fixing toxic organic compounds comprised in waste material, a method of treating waste material, as well as a matrix
US5130051A (en) * 1988-07-19 1992-07-14 Safe-Waste Systems, Inc. Composition to encapsulate chromium, arsenic and other toxic metals in wastes

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2414026A1 (en) * 1978-01-09 1979-08-03 Krofchak David Soil-like material prodn. from sewage sludge - by adding acidic ferrous salt soln., alkaline earth base, silicic cpd., dry alkaline earth base, removing water and ageing
US4518508A (en) * 1983-06-30 1985-05-21 Solidtek Systems, Inc. Method for treating wastes by solidification
US4600514A (en) 1983-09-15 1986-07-15 Chem-Technics, Inc. Controlled gel time for solidification of multi-phased wastes
US5130051A (en) * 1988-07-19 1992-07-14 Safe-Waste Systems, Inc. Composition to encapsulate chromium, arsenic and other toxic metals in wastes
EP0482718A1 (en) * 1990-10-25 1992-04-29 PELT & HOOYKAAS B.V. A fixant for fixing toxic organic compounds comprised in waste material, a method of treating waste material, as well as a matrix
US5376283A (en) * 1990-10-25 1994-12-27 Pelt & Hooykaas B.V. Fixant and matrix for fixing toxic organic compounds in waste material

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