TW503223B - Treatment of waste water - Google Patents

Treatment of waste water Download PDF

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Publication number
TW503223B
TW503223B TW088118448A TW88118448A TW503223B TW 503223 B TW503223 B TW 503223B TW 088118448 A TW088118448 A TW 088118448A TW 88118448 A TW88118448 A TW 88118448A TW 503223 B TW503223 B TW 503223B
Authority
TW
Taiwan
Prior art keywords
wastewater
ammonia
component
scale
waste water
Prior art date
Application number
TW088118448A
Other languages
English (en)
Chinese (zh)
Inventor
Yukihiro Yoneda
Yusuke Shioda
Mitsuaki Ikeda
Naotake Shioji
Kazunori Yoshino
Original Assignee
Nippon Catalytic Chem Ind
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 Nippon Catalytic Chem Ind filed Critical Nippon Catalytic Chem Ind
Application granted granted Critical
Publication of TW503223B publication Critical patent/TW503223B/zh

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • 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
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
    • B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
    • B01J23/56—Platinum group metals
    • B01J23/64—Platinum group metals with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
    • B01J23/652—Chromium, molybdenum or tungsten
    • 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
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00—Specific treatment goals
    • C02F2303/22—Eliminating or preventing deposits, scale removal, scale prevention

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Catalysts (AREA)
  • Removal Of Specific Substances (AREA)
  • Physical Water Treatments (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
TW088118448A 1998-11-13 1999-10-26 Treatment of waste water TW503223B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP32401798 1998-11-13
JP5469699 1999-03-02
JP18489399A JP3879318B2 (ja) 1998-11-13 1999-06-30 排水の処理方法

Publications (1)

Publication Number Publication Date
TW503223B true TW503223B (en) 2002-09-21

Family

ID=27295378

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088118448A TW503223B (en) 1998-11-13 1999-10-26 Treatment of waste water

Country Status (3)

Country Link
JP (1) JP3879318B2 (ja)
KR (1) KR100389811B1 (ja)
TW (1) TW503223B (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI301474B (en) * 2003-01-03 2008-10-01 Huei Tarng Liou Method for reducing cod (chemical oxygen demand) in waste water by using o3 with divalention
JP5069591B2 (ja) * 2008-03-13 2012-11-07 月島環境エンジニアリング株式会社 Ｖｏｃ含有ガスの処理装置および処理方法
JP5322574B2 (ja) * 2008-10-20 2013-10-23 中国電力株式会社 脱窒装置の付着物除去方法
JP5124518B2 (ja) * 2009-04-06 2013-01-23 月島環境エンジニアリング株式会社 揮発性有機化合物含有排水の処理方法
JP5124519B2 (ja) * 2009-04-06 2013-01-23 月島環境エンジニアリング株式会社 揮発性有機化合物含有排水の処理方法
CN112892609B (zh) * 2020-12-15 2022-07-05 南京大学 一种高效还原Cr(VI)的光控缓释双网络水凝胶催化剂

Also Published As

Publication number Publication date
KR100389811B1 (ko) 2003-07-02
KR20000035064A (ko) 2000-06-26
JP2000312888A (ja) 2000-11-14
JP3879318B2 (ja) 2007-02-14

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Legal Events

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GD4A Issue of patent certificate for granted invention patent
MM4A Annulment or lapse of patent due to non-payment of fees