FI62811C - Foerfarande foer behandling av en hydrosulfitavlut - Google Patents

Foerfarande foer behandling av en hydrosulfitavlut Download PDF

Info

Publication number
FI62811C
FI62811C FI2406/74A FI240674A FI62811C FI 62811 C FI62811 C FI 62811C FI 2406/74 A FI2406/74 A FI 2406/74A FI 240674 A FI240674 A FI 240674A FI 62811 C FI62811 C FI 62811C
Authority
FI
Finland
Prior art keywords
solution
waste
waste solution
activated sludge
sodium
Prior art date
Application number
FI2406/74A
Other languages
English (en)
Finnish (fi)
Other versions
FI240674A (no
FI62811B (fi
Inventor
Yoshio Yoshikawa
Sadao Otsuka
Akira Amemiya
Toshio Komatsu
Original Assignee
Mitsubishi Gas Chemical Co
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 Gas Chemical Co filed Critical Mitsubishi Gas Chemical Co
Publication of FI240674A publication Critical patent/FI240674A/fi
Application granted granted Critical
Publication of FI62811B publication Critical patent/FI62811B/fi
Publication of FI62811C publication Critical patent/FI62811C/fi

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/12Activated sludge processes
    • C02F3/1205Particular type of activated sludge processes
    • C02F3/1231Treatments of toxic sewage
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/725Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Toxicology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Microbiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Activated Sludge Processes (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Removal Of Specific Substances (AREA)
  • Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
FI2406/74A 1973-08-15 1974-08-13 Foerfarande foer behandling av en hydrosulfitavlut FI62811C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP9143573 1973-08-15
JP9143573A JPS5341464B2 (no) 1973-08-15 1973-08-15

Publications (3)

Publication Number Publication Date
FI240674A FI240674A (no) 1975-02-16
FI62811B FI62811B (fi) 1982-11-30
FI62811C true FI62811C (fi) 1983-03-10

Family

ID=14026277

Family Applications (1)

Application Number Title Priority Date Filing Date
FI2406/74A FI62811C (fi) 1973-08-15 1974-08-13 Foerfarande foer behandling av en hydrosulfitavlut

Country Status (12)

Country Link
US (1) US3962073A (no)
JP (1) JPS5341464B2 (no)
BE (1) BE818892A (no)
BR (1) BR7406705D0 (no)
CA (1) CA1028432A (no)
DE (1) DE2439149A1 (no)
FI (1) FI62811C (no)
FR (1) FR2240891B1 (no)
GB (1) GB1455047A (no)
NL (1) NL7410852A (no)
NO (1) NO142294C (no)
SE (1) SE401363B (no)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53108068A (en) * 1977-02-28 1978-09-20 Mitsubishi Gas Chem Co Inc Purifying method for waste solution formed in takahax desulfurization apparatus
JPS5415352A (en) * 1977-07-06 1979-02-05 Mitsubishi Heavy Ind Ltd Method of biologically treating waste water containing polythionic acid
JPS58186498A (ja) * 1982-04-27 1983-10-31 Sumitomo Jukikai Envirotec Kk 亜硫酸含有廃水の生物化学的処理法
US4582690A (en) * 1984-08-06 1986-04-15 University Of Waterloo Oxidation of polythionates
JPH02144197A (ja) * 1988-11-21 1990-06-01 Tetsuzo Tomioka 活性汚泥法における汚染値低減方法
US5052347A (en) * 1989-08-11 1991-10-01 Soltech, Inc. Water heater construction
US5350516A (en) * 1991-12-27 1994-09-27 Bhadra Amal K Control of odor and septicity and purification of sewage and wastewater
US5141647A (en) * 1991-12-27 1992-08-25 Bhadra Amal K Control of odor and septicity of sewage
US6019900A (en) * 1998-08-03 2000-02-01 The Regents Of The University Of California Single stage denitrification anaerobic digestion
US20050161410A1 (en) * 2003-11-06 2005-07-28 Wilson Gregg L. System, method and composition for treatment of wastewater

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB962237A (en) * 1961-04-19 1964-07-01 British Petroleum Co Improvements relating to the oxidation of sulphides in aqueous solutions
DE1275036B (de) * 1964-07-23 1968-08-14 Dr Yun Kyong Shin Verfahren zur raschen und quantitativen Herstellung waessriger Sulfatloesungen aus Sulfitloesungen durch Oxydation mit Sauerstoff oder sauerstoffhaltigen Gasen
US3718732A (en) * 1971-01-13 1973-02-27 Virginia Chemicals Inc Method of recovering chemical values from a formate-sodium hydrosulfite reaction mixture
US3627676A (en) * 1971-02-25 1971-12-14 Martin Marietta Corp Method for oxidizing the thiosulfate ions in a thiosulfate

Also Published As

Publication number Publication date
NO142294C (no) 1980-07-30
NO142294B (no) 1980-04-21
NO742919L (no) 1975-03-17
SE401363B (sv) 1978-05-02
DE2439149A1 (de) 1975-02-27
CA1028432A (en) 1978-03-21
SE7410310L (no) 1975-02-17
JPS5039674A (no) 1975-04-11
JPS5341464B2 (no) 1978-11-02
FI240674A (no) 1975-02-16
FI62811B (fi) 1982-11-30
US3962073A (en) 1976-06-08
FR2240891A1 (no) 1975-03-14
NL7410852A (nl) 1975-02-18
BE818892A (fr) 1974-12-02
GB1455047A (en) 1976-11-10
BR7406705D0 (pt) 1975-05-27
FR2240891B1 (no) 1982-07-02

Similar Documents

Publication Publication Date Title
US11117822B2 (en) Method for simultaneous removal of heavy metals and organic matters from wastewater
US6143182A (en) Process for chemically oxidizing wastewater with reduced sludge production
FI62811C (fi) Foerfarande foer behandling av en hydrosulfitavlut
US3186942A (en) Oxidation of sulphides in aqueous solutions
CN104692467B (zh) 一种聚合硫酸铁的制备方法
CA1238995A (en) Process for waste treatment
CN105923735A (zh) 一种基于高铁酸盐的复合水处理药剂及其制备方法
CN102531234A (zh) 一种芬顿氧化预处理碱性废水的方法
US3755156A (en) Method for biochemical treatment of industrial waste water
HUT77892A (hu) Kénvegyületek anaerob úton történő eltávolítása szennyvízből
CN110799461A (zh) 用于去除化学需氧量的废水处理方法
CN111977833A (zh) 一种铝氧化废水处理方法及利用该废水制备磷酸铁的方法
US5015396A (en) Removal of cyanide from aqueous streams
JPH04349997A (ja) 有機性廃水の処理方法
CN107324587B (zh) 一种同步去除废水中重金属和有机物的方法
CN113184972B (zh) 一种序批式反应去除废水中有机污染物的方法
JPS6211634B2 (no)
JP4552164B2 (ja) 廃液の処理方法
US5290455A (en) Removal of cyanide from aqueous streams
JP4531958B2 (ja) ヒドラジン含有排水の処理方法
US20140319078A1 (en) Process and system for removing urea from an aqueous solution
US4927542A (en) Elimination of hydroxylammonium salts from wastewaters containing such salts
CN114105225B (zh) 氢氧化镍及其制备方法和应用
SU715483A1 (ru) Способ получени сульфата окиси железа
CN108658329A (zh) 一种基于臭氧氧化的复合型反渗透浓水处理方法