CA989079A - Process for treating waste water - Google Patents

Process for treating waste water

Info

Publication number
CA989079A
CA989079A CA141,290A CA141290A CA989079A CA 989079 A CA989079 A CA 989079A CA 141290 A CA141290 A CA 141290A CA 989079 A CA989079 A CA 989079A
Authority
CA
Canada
Prior art keywords
waste water
treating waste
treating
water
waste
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
CA141,290A
Other versions
CA141290S (en
Inventor
Toru Yoshii
Yushin Minamide
Mikio Aramaki
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries 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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Application granted granted Critical
Publication of CA989079A publication Critical patent/CA989079A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • 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
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • 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
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Removal Of Specific Substances (AREA)
CA141,290A 1971-05-17 1972-05-04 Process for treating waste water Expired CA989079A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3306471 1971-05-17

Publications (1)

Publication Number Publication Date
CA989079A true CA989079A (en) 1976-05-11

Family

ID=12376292

Family Applications (1)

Application Number Title Priority Date Filing Date
CA141,290A Expired CA989079A (en) 1971-05-17 1972-05-04 Process for treating waste water

Country Status (6)

Country Link
CA (1) CA989079A (en)
DE (1) DE2223402C3 (en)
FI (1) FI57093C (en)
GB (1) GB1342227A (en)
NO (1) NO137636C (en)
SE (1) SE396939B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109621892A (en) * 2019-01-23 2019-04-16 云南天朗再生资源有限责任公司 A kind of AMD fast purification inorganic agent and the preparation method and application thereof

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2314897A1 (en) * 1975-06-18 1977-01-14 Inst Kommunalnogo Vodosnab Coagulating waste sludge streams by addn. of dried sludge - and smaller amts. of mineral coagulants, giving fertiliser prod.
US4118319A (en) * 1976-03-11 1978-10-03 Toyo Soda Manufacturing Co., Ltd. Treatment of sludge
US4215989A (en) * 1978-06-19 1980-08-05 Saco Tanning Division Of Kirstein Leather Co. Process for chrome recovery from industrial waste and the like, as from chrome-ladened tannery waste, including pollution control of the same
FR2432998A1 (en) * 1978-08-07 1980-03-07 Rhone Poulenc Ind Iron salt based flocculant for waste waters or sludges - contains soluble salt additive e.g. Gp=II metal salt
DE3733532A1 (en) * 1987-10-03 1989-04-13 Stadtwerke Wuerzburg Ag Process for disposing of a sewage sludge produced in wastewater purification
CN111875231A (en) * 2020-08-05 2020-11-03 北京首创污泥处置技术有限公司 Composite sludge deep dehydration medicament and preparation method and use method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109621892A (en) * 2019-01-23 2019-04-16 云南天朗再生资源有限责任公司 A kind of AMD fast purification inorganic agent and the preparation method and application thereof

Also Published As

Publication number Publication date
NO137636C (en) 1978-03-29
SE396939B (en) 1977-10-10
FI57093B (en) 1980-02-29
NO137636B (en) 1977-12-19
DE2223402B2 (en) 1978-11-09
DE2223402C3 (en) 1979-07-12
DE2223402A1 (en) 1972-11-30
GB1342227A (en) 1974-01-03
FI57093C (en) 1980-06-10

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