BE821320A - DYE WORKSHOP WASTE WATER PURFICATION PROCESS - Google Patents

DYE WORKSHOP WASTE WATER PURFICATION PROCESS

Info

Publication number: BE821320A
Authority: BE; Belgium
Prior art keywords: purfication; waste water; workshop waste; dye; dye workshop
Prior art date: 1973-10-22

Application number

BE149744A

Other languages

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.)

1973-10-22

Filing date

1974-10-22

Publication date

1975-04-22

1974-10-22 Application filed filed Critical

1975-04-22 Publication of BE821320A publication Critical patent/BE821320A/en

Classifications

- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
- 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
- B01J41/00—Anion exchange; Use of material as anion exchangers; Treatment of material for improving the anion exchange properties
- B01J41/04—Processes using organic exchangers
- B01J41/07—Processes using organic exchangers in the weakly basic 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/463—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry

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)
Electrochemistry (AREA)
General Chemical & Material Sciences (AREA)
Water Treatment By Electricity Or Magnetism (AREA)
Treatment Of Water By Ion Exchange (AREA)
Removal Of Specific Substances (AREA)

BE149744A 1973-10-22 1974-10-22 DYE WORKSHOP WASTE WATER PURFICATION PROCESS BE821320A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
ZA00738172A ZA738172B (en)	1973-10-22	1973-10-22	A process for the purification of contaminated water

Publications (1)

Publication Number	Publication Date
BE821320A true BE821320A (en)	1975-04-22

Family

ID=25566970

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE149744A BE821320A (en)	1973-10-22	1974-10-22	DYE WORKSHOP WASTE WATER PURFICATION PROCESS

Country Status (5)

Country	Link
BE (1)	BE821320A (en)
DE (1)	DE2449842A1 (en)
FR (1)	FR2248238B1 (en)
GB (1)	GB1457682A (en)
ZA (1)	ZA738172B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1597342A (en) *	1977-03-29	1981-09-03	Courtaulds Ltd	Treatment of aqueous effluents containing a dyestuff
EP0091504B1 (en) *	1982-04-14	1986-01-29	Morton Thiokol, Inc.	Removal of dyestuffs from water by electroflotation process
CN114656064A (en) *	2022-04-11	2022-06-24	河北中科同创科技发展有限公司	Method for removing ferric ions and ferrous ions in ammonium sulfate solution

1973
- 1973-10-22 ZA ZA00738172A patent/ZA738172B/en unknown
1974
- 1974-10-15 GB GB4469874A patent/GB1457682A/en not_active Expired
- 1974-10-19 DE DE19742449842 patent/DE2449842A1/en not_active Ceased
- 1974-10-21 FR FR7435252A patent/FR2248238B1/fr not_active Expired
- 1974-10-22 BE BE149744A patent/BE821320A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE2449842A1 (en)	1975-04-24
ZA738172B (en)	1975-02-26
FR2248238A1 (en)	1975-05-16
FR2248238B1 (en)	1978-10-27
GB1457682A (en)	1976-12-08

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Legal Events

Date	Code	Title	Description
1986-04-30	RE	Patent lapsed	Owner name: FELTEX LTD Effective date: 19851031

Date

Code

Title

Description

1986-04-30

Patent lapsed

Owner name: FELTEX LTD

Effective date: 19851031