NO791271L - Fremgangsmaate til utvinning av desinfiserte faste stoffer fra kloakkslam - Google Patents

Fremgangsmaate til utvinning av desinfiserte faste stoffer fra kloakkslam

Info

Publication number: NO791271L
Authority: NO; Norway
Prior art keywords: approx; sludge; mol; sewage sludge; copolymer
Prior art date: 1978-04-18

Application number

NO791271A

Other languages

English (en)

Norwegian (no)

Inventor

Carlos L Doyle

Original Assignee

American Cyanamid 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.)

1978-04-18

Filing date

1979-04-17

Publication date

1979-10-19

1979-04-17 Application filed by American Cyanamid Co filed Critical American Cyanamid Co

1979-10-19 Publication of NO791271L publication Critical patent/NO791271L/no

Links

238000000034 method Methods 0.000 title claims abstract description 24
239000007787 solid Substances 0.000 title claims abstract description 19
239000010802 sludge Substances 0.000 title claims description 11
238000011084 recovery Methods 0.000 title abstract 2
239000010801 sewage sludge Substances 0.000 claims abstract description 24
229920001577 copolymer Polymers 0.000 claims description 13
239000002689 soil Substances 0.000 claims description 11
235000008733 Citrus aurantifolia Nutrition 0.000 claims description 10
235000011941 Tilia x europaea Nutrition 0.000 claims description 10
239000004571 lime Substances 0.000 claims description 10
239000000654 additive Substances 0.000 claims description 9
230000000996 additive effect Effects 0.000 claims description 9
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
229920000642 polymer Polymers 0.000 description 13
239000008394 flocculating agent Substances 0.000 description 9
239000010865 sewage Substances 0.000 description 7
238000001914 filtration Methods 0.000 description 6
239000000463 material Substances 0.000 description 6
239000006185 dispersion Substances 0.000 description 5
239000012071 phase Substances 0.000 description 5
HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 4
125000002091 cationic group Chemical group 0.000 description 4
238000007792 addition Methods 0.000 description 3
230000000052 comparative effect Effects 0.000 description 3
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
230000000694 effects Effects 0.000 description 2
238000012986 modification Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
230000000704 physical effect Effects 0.000 description 2
239000002699 waste material Substances 0.000 description 2
JKNCOURZONDCGV-UHFFFAOYSA-N 2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound CN(C)CCOC(=O)C(C)=C JKNCOURZONDCGV-UHFFFAOYSA-N 0.000 description 1
102000004190 Enzymes Human genes 0.000 description 1
108090000790 Enzymes Proteins 0.000 description 1
NJSSICCENMLTKO-HRCBOCMUSA-N [(1r,2s,4r,5r)-3-hydroxy-4-(4-methylphenyl)sulfonyloxy-6,8-dioxabicyclo[3.2.1]octan-2-yl] 4-methylbenzenesulfonate Chemical compound C1=CC(C)=CC=C1S(=O)(=O)O[C@H]1C(O)[C@@H](OS(=O)(=O)C=2C=CC(C)=CC=2)[C@@H]2OC[C@H]1O2 NJSSICCENMLTKO-HRCBOCMUSA-N 0.000 description 1
229940037003 alum Drugs 0.000 description 1
239000008346 aqueous phase Substances 0.000 description 1
BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
239000000292 calcium oxide Substances 0.000 description 1
ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
230000000249 desinfective effect Effects 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
238000000855 fermentation Methods 0.000 description 1
230000004151 fermentation Effects 0.000 description 1
239000012065 filter cake Substances 0.000 description 1
239000000706 filtrate Substances 0.000 description 1
239000010419 fine particle Substances 0.000 description 1
230000003311 flocculating effect Effects 0.000 description 1
238000005189 flocculation Methods 0.000 description 1
230000016615 flocculation Effects 0.000 description 1
229920006158 high molecular weight polymer Polymers 0.000 description 1
150000004679 hydroxides Chemical class 0.000 description 1
238000011835 investigation Methods 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
239000000203 mixture Substances 0.000 description 1
239000002245 particle Substances 0.000 description 1
239000000047 product Substances 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
239000002364 soil amendment Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
239000000725 suspension Substances 0.000 description 1
NRWCNEBHECBWRJ-UHFFFAOYSA-M trimethyl(propyl)azanium;chloride Chemical compound [Cl-].CCC[N+](C)(C)C NRWCNEBHECBWRJ-UHFFFAOYSA-M 0.000 description 1
238000005406 washing Methods 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- 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
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/901—Specified land fill feature, e.g. prevention of ground water fouling

Landscapes

Life Sciences & Earth Sciences (AREA)
Hydrology & Water Resources (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Treatment Of Sludge (AREA)
Separation Of Suspended Particles By Flocculating Agents (AREA)
Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

NO791271A 1978-04-18 1979-04-17 Fremgangsmaate til utvinning av desinfiserte faste stoffer fra kloakkslam NO791271L (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/897,474 US4160731A (en)	1978-04-18	1978-04-18	Process for dewatering sewage sludges disinfected with lime

Publications (1)

Publication Number	Publication Date
NO791271L true NO791271L (no)	1979-10-19

Family

ID=25407952

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO791271A NO791271L (no)	1978-04-18	1979-04-17	Fremgangsmaate til utvinning av desinfiserte faste stoffer fra kloakkslam

Country Status (10)

Country	Link
US (1)	US4160731A (de)
DD (1)	DD142960A5 (de)
DE (1)	DE2914053A1 (de)
FR (1)	FR2423449A1 (de)
HU (1)	HU178415B (de)
IT (1)	IT1116481B (de)
NL (1)	NL7903041A (de)
NO (1)	NO791271L (de)
SE (1)	SE7903346L (de)
ZA (1)	ZA791550B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1196593A (en) *	1981-12-18	1985-11-12	William C. Foshee	Coal liquor clarification with water-soluble, high molecular weight polymers having low concentration of cationic moieties
US5028272A (en) *	1982-02-08	1991-07-02	Ashland Oil, Inc.	Inhibiting leaching of metals from catalysts and sorbents and compositions and methods therefor
BE900896A (nl) *	1984-10-25	1985-02-15	Neef Dirk De	Werkwijze voor het konsolideren van afvalslib.
GB8512937D0 (en) *	1985-05-22	1985-06-26	Allied Colloids Ltd	Water treatment
GB8519107D0 (en) *	1985-07-29	1985-09-04	Allied Colloids Ltd	Flocculation process
US5534186A (en) *	1993-12-15	1996-07-09	Gel Sciences, Inc.	Gel-based vapor extractor and methods
US5681481A (en) *	1995-05-18	1997-10-28	Rdp Company	Process and apparatus for liquid sludge stabilization
GB0522039D0 (en) *	2005-10-28	2005-12-07	Thames Water Utilities	Sludge treatment
US8147703B2 (en) *	2006-11-14	2012-04-03	S.A. Lhoist Recherche Et Developpement	Method for processing sludge

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3943114A (en) *	1969-06-11	1976-03-09	The Lubrizol Corporation	Polymers of N-aminoalkyl acrylamides
US3897333A (en) *	1971-02-24	1975-07-29	Allied Colloids Mfg	Flocculating agents
US3752760A (en) *	1972-03-09	1973-08-14	Calgon Corp	Silt removal
NL7309742A (de) *	1972-07-24	1974-01-28
US4028238A (en) *	1975-11-03	1977-06-07	Dart Industries Inc.	Treatment of municipal waste sludges

1978
- 1978-04-18 US US05/897,474 patent/US4160731A/en not_active Expired - Lifetime
1979
- 1979-04-02 ZA ZA791550A patent/ZA791550B/xx unknown
- 1979-04-06 DE DE19792914053 patent/DE2914053A1/de not_active Ceased
- 1979-04-11 IT IT48698/79A patent/IT1116481B/it active
- 1979-04-17 DD DD79212270A patent/DD142960A5/de unknown
- 1979-04-17 NO NO791271A patent/NO791271L/no unknown
- 1979-04-17 SE SE7903346A patent/SE7903346L/xx not_active Application Discontinuation
- 1979-04-18 FR FR7909737A patent/FR2423449A1/fr active Pending
- 1979-04-18 NL NL7903041A patent/NL7903041A/xx not_active Application Discontinuation
- 1979-04-18 HU HU79AE569A patent/HU178415B/hu unknown

Also Published As

Publication number	Publication date
DE2914053A1 (de)	1979-10-31
DD142960A5 (de)	1980-07-23
HU178415B (en)	1982-05-28
NL7903041A (nl)	1979-10-22
ZA791550B (en)	1980-07-30
FR2423449A1 (fr)	1979-11-16
SE7903346L (sv)	1979-10-19
IT1116481B (it)	1986-02-10
IT7948698A0 (it)	1979-04-11
US4160731A (en)	1979-07-10

Publication	Publication Date	Title
AU592535B2 (en)	1990-01-18	Water soluble cationic polymer flocculating agent
US3171805A (en)	1965-03-02	Flocculation of sewage
EP1274652B1 (de)	2013-12-18	Verfahren zur klärung von wasser unter nutzung von niedrigmolekularen kationischen dispersionspolymeren
JP2624089B2 (ja)	1997-06-25	カチオン性高分子凝集剤
US3014896A (en)	1961-12-26	Polymeric flocculating agents and process for the production thereof
US5225088A (en)	1993-07-06	Use of nonhydrolyzed copolymers containing n-vinylformamide units as flocculants and drainage aids
US5725780A (en)	1998-03-10	Method for using novel high solids polymer compositions as flocculation aids
US5518634A (en)	1996-05-21	Coagulant for twin belt filter presses
US2980609A (en)	1961-04-18	Clarification of industrial waters
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US7141181B2 (en)	2006-11-28	Composition comprising amphoteric polymeric flocculants
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