FR2253714B1 - - Google Patents

Info

Publication number
FR2253714B1
FR2253714B1 FR7343865A FR7343865A FR2253714B1 FR 2253714 B1 FR2253714 B1 FR 2253714B1 FR 7343865 A FR7343865 A FR 7343865A FR 7343865 A FR7343865 A FR 7343865A FR 2253714 B1 FR2253714 B1 FR 2253714B1
Authority
FR
France
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
FR7343865A
Other languages
French (fr)
Other versions
FR2253714A1 (en
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.)
NIEUWENHUIS GARMT
Original Assignee
NIEUWENHUIS GARMT
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 NIEUWENHUIS GARMT filed Critical NIEUWENHUIS GARMT
Priority claimed from GB5728973A external-priority patent/GB1449517A/en
Publication of FR2253714A1 publication Critical patent/FR2253714A1/en
Application granted granted Critical
Publication of FR2253714B1 publication Critical patent/FR2253714B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28052—Several layers of identical or different sorbents stacked in a housing, e.g. in a column
    • 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
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28016—Particle form
    • 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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • 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
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C02F2101/22—Chromium or chromium compounds, e.g. chromates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
FR7343865A 1973-12-11 1973-12-07 Removal of chromium anions from industrial effluents Granted FR2253714A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5728973A GB1449517A (en) 1973-12-06 1973-12-11 Process for treating water contaminated with chromium anions

Publications (2)

Publication Number Publication Date
FR2253714A1 FR2253714A1 (en) 1975-07-04
FR2253714B1 true FR2253714B1 (en) 1977-08-12

Family

ID=10478827

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7343865A Granted FR2253714A1 (en) 1973-12-11 1973-12-07 Removal of chromium anions from industrial effluents

Country Status (3)

Country Link
BE (1) BE808349A (en)
DE (1) DE2361167C3 (en)
FR (1) FR2253714A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4156647A (en) * 1976-05-03 1979-05-29 Nieuwenhuis Garmt J Process and apparatus for removal of impurities from liquids
CA1232378A (en) * 1987-01-26 1988-02-02 Charles H. Leigh Water treatment process for waters carrying heavy metals such as chromium

Also Published As

Publication number Publication date
DE2361167A1 (en) 1975-06-12
BE808349A (en) 1974-06-07
DE2361167C3 (en) 1978-10-12
DE2361167B2 (en) 1978-02-09
FR2253714A1 (en) 1975-07-04

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Legal Events

Date Code Title Description
ST Notification of lapse