GB1373034A - Flocculating agents and processes - Google Patents

Flocculating agents and processes

Info

Publication number
GB1373034A
GB1373034A GB534771A GB534771A GB1373034A GB 1373034 A GB1373034 A GB 1373034A GB 534771 A GB534771 A GB 534771A GB 534771 A GB534771 A GB 534771A GB 1373034 A GB1373034 A GB 1373034A
Authority
GB
United Kingdom
Prior art keywords
lower alkyl
sewage
sulphate
sewage sludge
methyl
Prior art date
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
GB534771A
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.)
Ciba Specialty Chemicals Water Treatments Ltd
Original Assignee
Allied Colloids Ltd
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 Allied Colloids Ltd filed Critical Allied Colloids Ltd
Priority to GB534771A priority Critical patent/GB1373034A/en
Priority to CA134,276A priority patent/CA976671A/en
Priority to DE19722206564 priority patent/DE2206564B2/en
Priority to FR7205705A priority patent/FR2126234B1/fr
Priority to JP1885272A priority patent/JPS539193B1/ja
Priority to US455700A priority patent/US3897333A/en
Publication of GB1373034A publication Critical patent/GB1373034A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12H—PASTEURISATION, STERILISATION, PRESERVATION, PURIFICATION, CLARIFICATION OR AGEING OF ALCOHOLIC BEVERAGES; METHODS FOR ALTERING THE ALCOHOL CONTENT OF FERMENTED SOLUTIONS OR ALCOHOLIC BEVERAGES
    • C12H1/00—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages
    • C12H1/02—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material
    • C12H1/04—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material with the aid of ion-exchange material or inert clarification material, e.g. adsorption material
    • C12H1/0416—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material with the aid of ion-exchange material or inert clarification material, e.g. adsorption material with the aid of organic added material
    • C12H1/0424—Pasteurisation, sterilisation, preservation, purification, clarification, or ageing of alcoholic beverages combined with removal of precipitate or added materials, e.g. adsorption material with the aid of ion-exchange material or inert clarification material, e.g. adsorption material with the aid of organic added material with the aid of a polymer
    • 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
    • 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
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment

Abstract

1373034 Treating water and sewage sludges ALLIED COLLOIDS Ltd 31 Jan 1972 [24 Feb 1971] 5347/71 Heading C1C [Also in Division C3] Sewage sludge and waste waters are treated with a flocculating agent which is a watersoluble polymer containing 60% or more of units of the formula in which R1 is H or methyl, R2 is lower alkyl, R3 and R4 are lower alkyl, hydroxy lower alkyl or together with the N atom to which they are attached form a cyclic ring system, X is an anion and Z is an integer. A typical polymer is one prepared by first reacting polyacrylamide with formaldehyde and diethylamine to form poly-[N-(aminomethyl)-acrylamide] and then quaternizing this by reaction with either dimthyl sulphate or methyl chloride. In examples, such polymers are used in the treatment of a sewage sludge derived from an anaerobic digestion process, a sludge derived by settlement of waste water from a food factory dealing with vegetable processing, and a paper mill effluent which may have been pretreated with aluminium sulphate.
GB534771A 1971-02-24 1971-02-24 Flocculating agents and processes Expired GB1373034A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB534771A GB1373034A (en) 1971-02-24 1971-02-24 Flocculating agents and processes
CA134,276A CA976671A (en) 1971-02-24 1972-02-07 Flocculating agents
DE19722206564 DE2206564B2 (en) 1971-02-24 1972-02-11 Use of water-soluble polymers as flocculants for aqueous suspensions
FR7205705A FR2126234B1 (en) 1971-02-24 1972-02-21
JP1885272A JPS539193B1 (en) 1971-02-24 1972-02-23
US455700A US3897333A (en) 1971-02-24 1974-03-28 Flocculating agents

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB534771A GB1373034A (en) 1971-02-24 1971-02-24 Flocculating agents and processes

Publications (1)

Publication Number Publication Date
GB1373034A true GB1373034A (en) 1974-11-06

Family

ID=9794401

Family Applications (1)

Application Number Title Priority Date Filing Date
GB534771A Expired GB1373034A (en) 1971-02-24 1971-02-24 Flocculating agents and processes

Country Status (5)

Country Link
JP (1) JPS539193B1 (en)
CA (1) CA976671A (en)
DE (1) DE2206564B2 (en)
FR (1) FR2126234B1 (en)
GB (1) GB1373034A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2700654A1 (en) * 1976-01-14 1977-07-21 Allied Colloids Ltd PROCESS FOR DRAINING AN ORGANIC SUSPENSION USING HIGH MOLECULAR MANNICH PRODUCTS
US4043910A (en) * 1974-09-10 1977-08-23 Allied Colloids Limited Removal of phosphorous from waste water
GB2211180A (en) * 1987-09-10 1989-06-28 Chemisolv Ltd Improvements in or relating to effluent treatment
US5529917A (en) * 1985-08-09 1996-06-25 Gist-Brocades Compositions and methods for making lipolytic enzymes
US5776362A (en) * 1992-07-04 1998-07-07 Kurita Water Industries Ltd. Sludge dehydrating agent
US5830735A (en) * 1987-03-06 1998-11-03 Gist-Brocades Nv Method for producing lipolytic enzymes using transformed Pseudomonas

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4079027A (en) 1975-04-18 1978-03-14 Nalco Chemical Company Quaternary modified acrylamide polymers
US4049606A (en) 1976-07-16 1977-09-20 Nalco Chemical Company Preparation of a manniched polyacrylamide quarternaries thereof
US4195003A (en) 1977-01-28 1980-03-25 Nalco Chemical Company Phosphorus acid to stabilize quaternized polyacrylamide
US4120840A (en) 1977-01-28 1978-10-17 Nalco Chemical Company Phosphorus acid to stabilize quaternized polyacrylamide
DE3024396A1 (en) * 1980-06-28 1982-01-21 Benckiser-Knapsack Gmbh, 6802 Ladenburg MODIFIED, HIGH MOLECULAR POLYCARBONIC ACID AMIDES AND THEIR USE
CN108155473A (en) * 2016-12-06 2018-06-12 罗森伯格技术（昆山）有限公司 Feed structure and antenna for base station
CN109975881A (en) * 2019-04-28 2019-07-05 深圳迈睿智能科技有限公司 Microwave detector and its manufacturing method and spurious electromagnetic waves radiate suppressing method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2328901A (en) * 1938-08-23 1943-09-07 Rohm & Haas Nitrogenous condensation product
US3008851A (en) * 1955-03-21 1961-11-14 Rohm & Haas Novel quaternary ammonium compounds and methods of producing them
US3367918A (en) * 1964-08-04 1968-02-06 Dow Chemical Co Polymeric amide-secondary dialkyl ammonium salt-paraformaldehyde flocculant composition and method
JPS5144108A (en) * 1974-10-14 1976-04-15 Hiroshi Iizuka KOKEIKENMASENJOZAI

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043910A (en) * 1974-09-10 1977-08-23 Allied Colloids Limited Removal of phosphorous from waste water
DE2700654A1 (en) * 1976-01-14 1977-07-21 Allied Colloids Ltd PROCESS FOR DRAINING AN ORGANIC SUSPENSION USING HIGH MOLECULAR MANNICH PRODUCTS
US5529917A (en) * 1985-08-09 1996-06-25 Gist-Brocades Compositions and methods for making lipolytic enzymes
US5830735A (en) * 1987-03-06 1998-11-03 Gist-Brocades Nv Method for producing lipolytic enzymes using transformed Pseudomonas
GB2211180A (en) * 1987-09-10 1989-06-28 Chemisolv Ltd Improvements in or relating to effluent treatment
GB2211180B (en) * 1987-09-10 1991-05-22 Chemisolv Ltd Treating effluent from a paper or board manufacturing process
US5776362A (en) * 1992-07-04 1998-07-07 Kurita Water Industries Ltd. Sludge dehydrating agent

Also Published As

Publication number Publication date
FR2126234B1 (en) 1976-07-23
DE2206564A1 (en) 1972-09-14
DE2206564B2 (en) 1975-07-31
CA976671A (en) 1975-10-21
FR2126234A1 (en) 1972-10-06
JPS539193B1 (en) 1978-04-04

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Legal Events

Date Code Title Description
PS Patent sealed
433D Application made for revocation (sect. 33/1949)
433C Case decided by the comptroller ** specification amended (sect. 33/1949)
PE20 Patent expired after termination of 20 years