SE413499B - Forfarande och medel for kemisk rening av vatten med atfoljande magnetisk slamavskiljning - Google Patents

Forfarande och medel for kemisk rening av vatten med atfoljande magnetisk slamavskiljning

Info

Publication number: SE413499B
Authority: SE; Sweden
Prior art keywords: magnetic material; magnetic; composition; magnetite; water
Prior art date: 1977-10-24

Application number

SE7711948A

Other languages

English (en)

Swedish (sv)

Other versions

SE7711948L (sv

Inventor

C-J S Hellestam

Original Assignee

Boliden Ab

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.)

1977-10-24

Filing date

1977-10-24

Publication date

1980-06-02

1977-10-24 Application filed by Boliden Ab filed Critical Boliden Ab

1977-10-24 Priority to SE7711948A priority Critical patent/SE413499B/sv

1978-10-23 Priority to BE191282A priority patent/BE871458A/fr

1978-10-23 Priority to DE7878900176T priority patent/DE2861673D1/de

1978-10-23 Priority to BR7808748A priority patent/BR7808748A/pt

1978-10-23 Priority to NL7810573A priority patent/NL7810573A/xx

1978-10-23 Priority to AU40949/78A priority patent/AU521911B2/en

1978-10-23 Priority to IT29001/78A priority patent/IT1099441B/it

1978-10-23 Priority to PCT/SE1978/000063 priority patent/WO1979000230A1/fr

1978-10-23 Priority to ES474425A priority patent/ES474425A1/es

1978-10-23 Priority to FI783225A priority patent/FI783225A7/fi

1978-10-23 Priority to NO783567A priority patent/NO783567L/no

1978-10-23 Priority to CA313,985A priority patent/CA1114080A/fr

1979-04-25 Publication of SE7711948L publication Critical patent/SE7711948L/xx

1979-05-08 Priority to EP78900176A priority patent/EP0007366B1/fr

1979-05-31 Priority to US06/117,492 priority patent/US4294705A/en

1980-06-02 Publication of SE413499B publication Critical patent/SE413499B/sv

Links

230000005291 magnetic effect Effects 0.000 title claims description 21
239000000126 substance Substances 0.000 title claims description 19
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 15
238000000034 method Methods 0.000 title claims description 13
238000000926 separation method Methods 0.000 title claims description 11
238000000746 purification Methods 0.000 title claims description 9
239000003795 chemical substances by application Substances 0.000 title claims 8
239000000696 magnetic material Substances 0.000 claims description 31
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 20
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
239000000203 mixture Substances 0.000 claims description 16
SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 14
239000010802 sludge Substances 0.000 claims description 9
239000000155 melt Substances 0.000 claims description 6
238000009826 distribution Methods 0.000 claims description 5
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
238000002425 crystallisation Methods 0.000 claims description 3
230000008025 crystallization Effects 0.000 claims description 3
229910052717 sulfur Inorganic materials 0.000 claims description 3
239000011593 sulfur Substances 0.000 claims description 3
230000001376 precipitating effect Effects 0.000 claims 5
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims 4
239000000377 silicon dioxide Substances 0.000 claims 2
239000012265 solid product Substances 0.000 claims 2
238000002474 experimental method Methods 0.000 description 24
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
230000004907 flux Effects 0.000 description 11
239000002351 wastewater Substances 0.000 description 11
238000005189 flocculation Methods 0.000 description 9
230000016615 flocculation Effects 0.000 description 9
235000013980 iron oxide Nutrition 0.000 description 8
BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 7
230000000694 effects Effects 0.000 description 7
229910052742 iron Inorganic materials 0.000 description 6
238000007885 magnetic separation Methods 0.000 description 6
239000011159 matrix material Substances 0.000 description 6
239000000654 additive Substances 0.000 description 5
238000004062 sedimentation Methods 0.000 description 5
230000000996 additive effect Effects 0.000 description 4
244000144992 flock Species 0.000 description 4
239000006148 magnetic separator Substances 0.000 description 4
238000002156 mixing Methods 0.000 description 4
238000003756 stirring Methods 0.000 description 4
230000015572 biosynthetic process Effects 0.000 description 3
239000003302 ferromagnetic material Substances 0.000 description 3
239000000463 material Substances 0.000 description 3
230000005298 paramagnetic effect Effects 0.000 description 3
235000008001 rakum palm Nutrition 0.000 description 3
238000012360 testing method Methods 0.000 description 3
239000005995 Aluminium silicate Substances 0.000 description 2
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
229910052782 aluminium Inorganic materials 0.000 description 2
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
235000012211 aluminium silicate Nutrition 0.000 description 2
238000004458 analytical method Methods 0.000 description 2
238000005516 engineering process Methods 0.000 description 2
230000005294 ferromagnetic effect Effects 0.000 description 2
238000005188 flotation Methods 0.000 description 2
BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 2
NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
238000002844 melting Methods 0.000 description 2
230000008018 melting Effects 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
239000002184 metal Substances 0.000 description 2
239000002245 particle Substances 0.000 description 2
229910052698 phosphorus Inorganic materials 0.000 description 2
239000011574 phosphorus Substances 0.000 description 2
230000001105 regulatory effect Effects 0.000 description 2
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical compound [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 1
239000005569 Iron sulphate Substances 0.000 description 1
239000013543 active substance Substances 0.000 description 1
239000000956 alloy Substances 0.000 description 1
229910045601 alloy Inorganic materials 0.000 description 1
238000011001 backwashing Methods 0.000 description 1
229910052804 chromium Inorganic materials 0.000 description 1
239000011651 chromium Substances 0.000 description 1
238000004140 cleaning Methods 0.000 description 1
239000010941 cobalt Substances 0.000 description 1
229910017052 cobalt Inorganic materials 0.000 description 1
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
239000000498 cooling water Substances 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000006735 deficit Effects 0.000 description 1
238000011161 development Methods 0.000 description 1
230000029087 digestion Effects 0.000 description 1
239000005446 dissolved organic matter Substances 0.000 description 1
239000003651 drinking water Substances 0.000 description 1
235000020188 drinking water Nutrition 0.000 description 1
238000011156 evaluation Methods 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
239000011790 ferrous sulphate Substances 0.000 description 1
235000003891 ferrous sulphate Nutrition 0.000 description 1
239000008394 flocculating agent Substances 0.000 description 1
239000011521 glass Substances 0.000 description 1
238000000227 grinding Methods 0.000 description 1
229910052595 hematite Inorganic materials 0.000 description 1
239000011019 hematite Substances 0.000 description 1
150000004679 hydroxides Chemical class 0.000 description 1
239000002198 insoluble material Substances 0.000 description 1
VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
230000005415 magnetization Effects 0.000 description 1
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
239000000320 mechanical mixture Substances 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
150000002894 organic compounds Chemical class 0.000 description 1
239000002907 paramagnetic material Substances 0.000 description 1
230000002093 peripheral effect Effects 0.000 description 1
238000000247 postprecipitation Methods 0.000 description 1
229910052604 silicate mineral Inorganic materials 0.000 description 1
150000003377 silicon compounds Chemical class 0.000 description 1
239000007787 solid Substances 0.000 description 1
231100000331 toxic Toxicity 0.000 description 1
230000002588 toxic effect Effects 0.000 description 1
238000004065 wastewater treatment Methods 0.000 description 1
238000004804 winding 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
- 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
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/002—High gradient magnetic separation
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/005—Pretreatment specially adapted for magnetic separation
- B03C1/015—Pretreatment specially adapted for magnetic separation by chemical treatment imparting magnetic properties to the material to be separated, e.g. roasting, reduction, oxidation
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/025—High gradient magnetic separators
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents

Landscapes

Chemical & Material Sciences (AREA)
Water Supply & Treatment (AREA)
Life Sciences & Earth Sciences (AREA)
Hydrology & Water Resources (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Analytical Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Separation Of Suspended Particles By Flocculating Agents (AREA)
Water Treatment By Electricity Or Magnetism (AREA)
Water Treatment By Sorption (AREA)

SE7711948A 1977-10-24 1977-10-24 Forfarande och medel for kemisk rening av vatten med atfoljande magnetisk slamavskiljning SE413499B (sv)

Priority Applications (14)

Application Number	Priority Date	Filing Date	Title
SE7711948A SE413499B (sv)	1977-10-24	1977-10-24	Forfarande och medel for kemisk rening av vatten med atfoljande magnetisk slamavskiljning
PCT/SE1978/000063 WO1979000230A1 (fr)	1977-10-24	1978-10-23	Methode et agent de purification chimique de l'eau par precipitation chimique et separation magnetique de la boue
ES474425A ES474425A1 (es)	1977-10-24	1978-10-23	Un metodo para depurar quimicamente agua
BR7808748A BR7808748A (pt)	1977-10-24	1978-10-23	Processo para purificar quimicamente agua com subsequente separacao magnetica da lama,e precipitante para sua realizacao
NL7810573A NL7810573A (nl)	1977-10-24	1978-10-23	Werkwijze voor de chemische zuivering van water door chemische precipitatie en magnetische slikscheiding; precipitatiemiddel.
AU40949/78A AU521911B2 (en)	1977-10-24	1978-10-23	Chemical purification of water
IT29001/78A IT1099441B (it)	1977-10-24	1978-10-23	Procedimento e agente per la depurazione chimica dell'acqua mediante precipitazione chimica e separazione magnetica della fanghiglia
BE191282A BE871458A (fr)	1977-10-24	1978-10-23	Procede et agent de purification chimique de l'eau
DE7878900176T DE2861673D1 (en)	1977-10-24	1978-10-23	A method and an agent for chemical purification of water by means of chemical precipitation and magnetic sludge separation
FI783225A FI783225A7 (fi)	1977-10-24	1978-10-23	Foerfarande och agens foer kemisk rening av vatten medelst kemisk faellning och magnetisk slamseparering
NO783567A NO783567L (no)	1977-10-24	1978-10-23	Fremgangsmaate ved kjemisk rensing av vann og middel for utfoerelse av fremgangsmaaten
CA313,985A CA1114080A (fr)	1977-10-24	1978-10-23	Methode et agents d'epuration chimique de l'eau par precipitation chimique et separation magnetique des depots
EP78900176A EP0007366B1 (fr)	1977-10-24	1979-05-08	Methode et agent de purification chimique de l'eau par precipitation chimique et separation magnetique de la boue
US06/117,492 US4294705A (en)	1977-10-24	1979-05-31	Method and an agent for chemical purification of water by means of chemical precipitation and magnetic sludge separation

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE7711948A SE413499B (sv)	1977-10-24	1977-10-24	Forfarande och medel for kemisk rening av vatten med atfoljande magnetisk slamavskiljning

Publications (2)

Publication Number	Publication Date
SE7711948L SE7711948L (sv)	1979-04-25
SE413499B true SE413499B (sv)	1980-06-02

Family

ID=20332667

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE7711948A SE413499B (sv)	1977-10-24	1977-10-24	Forfarande och medel for kemisk rening av vatten med atfoljande magnetisk slamavskiljning

Country Status (13)

Country	Link
US (1)	US4294705A (fr)
EP (1)	EP0007366B1 (fr)
AU (1)	AU521911B2 (fr)
BE (1)	BE871458A (fr)
CA (1)	CA1114080A (fr)
DE (1)	DE2861673D1 (fr)
ES (1)	ES474425A1 (fr)
FI (1)	FI783225A7 (fr)
IT (1)	IT1099441B (fr)
NL (1)	NL7810573A (fr)
NO (1)	NO783567L (fr)
SE (1)	SE413499B (fr)
WO (1)	WO1979000230A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4612247A (en) *	1984-06-27	1986-09-16	Cape Cod Research, Inc.	Magnetic cellulose-derivative structures
DE3624626A1 (de) *	1986-07-18	1988-01-28	Pilgrimm Herbert	Verfahren zur abtrennung von stoffen aus einem stoffgemisch unter verwendung von magnetischen fluessigkeiten
SE466496B (sv) *	1989-05-09	1992-02-24	Solvator Process Ab	Foerfarande foer rening av med organiskt material foerorenat surt avloppsvatten
GB9220269D0 (en) *	1992-09-25	1992-11-11	Bio Separation Ltd	Separation of heavy metals from aqueous media
US5308502A (en) *	1992-12-17	1994-05-03	Tandy Coporation	Method for waste treatment of organic strippers containing metals
JP3456135B2 (ja) *	1998-01-23	2003-10-14	株式会社日立製作所	汚泥浄化乾燥装置
GB2335656B (en) *	1998-03-26	2002-12-18	Gill Richard Austin	Flocculation control
US8858821B2 (en) *	2010-12-14	2014-10-14	King Abdulaziz City For Science And Technology	Magnetic extractants, method of making and using the same

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE318529B (fr) *	1967-08-30	1969-12-08	Boliden Ab
SE321649B (fr) *	1968-03-18	1970-03-09	Boliden Ab
US3697420A (en) *	1968-03-19	1972-10-10	Donald Stapf Blaisdell	Method and apparatus for treatment of aqueous liquor
US3567026A (en) *	1968-09-20	1971-03-02	Massachusetts Inst Technology	Magnetic device
US3983033A (en) *	1973-03-26	1976-09-28	Massachusetts Institute Of Technology	Process for removing dissolved phosphorus from water magnetically
US3912634A (en) *	1974-05-01	1975-10-14	Eriez Mfg Co	Filter cartridge for a magnetic separator
DE2551030C3 (de) *	1974-11-15	1979-11-15	Miura Engineering International Co. Ltd., Osaka (Japan)	Abwasserreinigungsvorrichtung mit einer um eine liegende Welle rotierenden Vorrichtung mit Magneten
US4108767A (en) *	1975-09-02	1978-08-22	Georgia-Pacific Corporation	Separation of an aqueous or water-miscible liquid from a fluid mixture
US4089779A (en) *	1975-11-24	1978-05-16	Georgia-Pacific Corporation	Clarification process
US4193866A (en) *	1976-09-27	1980-03-18	General Electric Company	Ferrite flocculating system

1977
- 1977-10-24 SE SE7711948A patent/SE413499B/sv unknown
1978
- 1978-10-23 IT IT29001/78A patent/IT1099441B/it active
- 1978-10-23 FI FI783225A patent/FI783225A7/fi unknown
- 1978-10-23 BE BE191282A patent/BE871458A/fr unknown
- 1978-10-23 AU AU40949/78A patent/AU521911B2/en not_active Expired
- 1978-10-23 DE DE7878900176T patent/DE2861673D1/de not_active Expired
- 1978-10-23 NL NL7810573A patent/NL7810573A/xx not_active Application Discontinuation
- 1978-10-23 ES ES474425A patent/ES474425A1/es not_active Expired
- 1978-10-23 WO PCT/SE1978/000063 patent/WO1979000230A1/fr not_active Ceased
- 1978-10-23 CA CA313,985A patent/CA1114080A/fr not_active Expired
- 1978-10-23 NO NO783567A patent/NO783567L/no unknown
1979
- 1979-05-08 EP EP78900176A patent/EP0007366B1/fr not_active Expired
- 1979-05-31 US US06/117,492 patent/US4294705A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
AU4094978A (en)	1980-05-01
EP0007366B1 (fr)	1982-03-17
US4294705A (en)	1981-10-13
IT7829001A0 (it)	1978-10-23
CA1114080A (fr)	1981-12-08
AU521911B2 (en)	1982-05-06
FI783225A7 (fi)	1979-04-25
DE2861673D1 (en)	1982-04-15
ES474425A1 (es)	1979-10-16
IT1099441B (it)	1985-09-18
NL7810573A (nl)	1979-04-26
SE7711948L (sv)	1979-04-25
NO783567L (no)	1979-04-25
WO1979000230A1 (fr)	1979-05-03
EP0007366A1 (fr)	1980-02-06
BE871458A (fr)	1979-04-23

Publication	Publication Date	Title
US20210230033A1 (en)	2021-07-29	Treatment using fixed film processes and ballasted settling
US4193866A (en)	1980-03-18	Ferrite flocculating system
JPS6230597A (ja)	1987-02-09	汚水の生物学的処理の際にバイオマスから清澄液を分離する方法
WO2016147708A1 (fr)	2016-09-22	Procédé de traitement d'effluent de lavage et appareil de traitement d'effluent de lavage
KR20080049823A (ko)	2008-06-04	고정화 박테리아 생물학적 처리 및 침전-경사분리가 통합된수처리 방법 및 장치
US2232294A (en)	1941-02-18	Process for treating liquids
SE413499B (sv)	1980-06-02	Forfarande och medel for kemisk rening av vatten med atfoljande magnetisk slamavskiljning
CN105906133B (zh)	2019-04-30	一种强磁分离-磁性生物质炭吸附的水体净化方法及装置
Meyer et al.	2018	The stuttgart process (Germany)
Li et al.	2024	Characteristic of geopolymer modified by MgO and its adsorption capacity of phosphate and ammonium ions from swine wastewater
CA1039865A (fr)	1978-10-03	Methode de traitement d'une suspension
US2232296A (en)	1941-02-18	Process for treating liquids
UA130401C2 (uk)	2026-02-11	Спосіб очищення технологічної води флотаційного обладнання та устаткування для очистки технологічної води
JPH09276604A (ja)	1997-10-28	凝塊剤
SE508836C2 (sv)	1998-11-09	Förfarande för rening av industriellt avloppsvatten genom utfällning i två steg
de Latour et al.	1976	High‐Gradient Magnetic Separation A Water‐Treatment Alternative
JPH0673666B2 (ja)	1994-09-21	廃液の処理方法
US3218253A (en)	1965-11-16	Sewage treatment process
JPH1157309A (ja)	1999-03-02	凝集処理方法および装置
US2232295A (en)	1941-02-18	Process for treating liquids
US1797879A (en)	1931-03-24	Process of treating sewage
JP7303430B2 (ja)	2023-07-05	回収方法
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