NL167662C - METHOD FOR PURIFYING INDUSTRIAL WASTE WATER. - Google Patents

METHOD FOR PURIFYING INDUSTRIAL WASTE WATER.

Info

Publication number
NL167662C
NL167662C NL7404782A NL7404782A NL167662C NL 167662 C NL167662 C NL 167662C NL 7404782 A NL7404782 A NL 7404782A NL 7404782 A NL7404782 A NL 7404782A NL 167662 C NL167662 C NL 167662C
Authority
NL
Netherlands
Prior art keywords
waste water
industrial waste
purifying industrial
purifying
water
Prior art date
Application number
NL7404782A
Other languages
Dutch (nl)
Other versions
NL167662B (en
NL7404782A (en
Original Assignee
Nippon Electric 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 Nippon Electric Co filed Critical Nippon Electric Co
Publication of NL7404782A publication Critical patent/NL7404782A/en
Publication of NL167662B publication Critical patent/NL167662B/en
Application granted granted Critical
Publication of NL167662C publication Critical patent/NL167662C/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0009—Settling tanks making use of electricity or magnetism
    • 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
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • 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
    • C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
    • C02F1/488—Treatment of water, waste water, or sewage with magnetic or electric fields for separation of magnetic materials, e.g. magnetic flocculation
    • 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
    • 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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
NL7404782A 1973-04-10 1974-04-08 METHOD FOR PURIFYING INDUSTRIAL WASTE WATER. NL167662C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4117273A JPS5336712B2 (en) 1973-04-10 1973-04-10

Publications (3)

Publication Number Publication Date
NL7404782A NL7404782A (en) 1974-10-14
NL167662B NL167662B (en) 1981-08-17
NL167662C true NL167662C (en) 1982-01-18

Family

ID=12600998

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7404782A NL167662C (en) 1973-04-10 1974-04-08 METHOD FOR PURIFYING INDUSTRIAL WASTE WATER.

Country Status (2)

Country Link
JP (1) JPS5336712B2 (en)
NL (1) NL167662C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49127464A (en) * 1973-04-09 1974-12-06
JPS5921678B2 (en) * 1976-02-20 1984-05-21 日揮株式会社 Treatment method for waste liquid containing heavy metals
JPS52109758A (en) * 1976-03-12 1977-09-14 Kobayashi Kagaku Kk Method of removing poisonous heavy metal in waste water
JPS5332870A (en) * 1976-09-08 1978-03-28 Koushichirou Yabuta Method of treating contaminated and polluted waste liquids by magnetite
WO1992010427A1 (en) * 1990-12-07 1992-06-25 Environ Umweltschutz Aktiengesellschaft Method of water purification

Also Published As

Publication number Publication date
JPS49127469A (en) 1974-12-06
NL167662B (en) 1981-08-17
NL7404782A (en) 1974-10-14
JPS5336712B2 (en) 1978-10-04

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Legal Events

Date Code Title Description
TNT Modifications of names of proprietors of patents or applicants of examined patent applications

Owner name: NEC CORPORATION

V4 Lapsed because of reaching the maxim lifetime of a patent