CH680586A5 - - Google Patents

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Info

Publication number: CH680586A5
Authority: CH; Switzerland
Prior art keywords: pellets; water; added; wastewater; waste water
Prior art date: 1989-03-23

Application number

CH1082/89A

Other languages

German (de)

English (en)

Inventor

Zbigniev Dr-Ing Boguslawski

Original Assignee

Aquamot Ag

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.)

1989-03-23

Filing date

1989-03-23

Publication date

1992-09-30

1989-03-23 Application filed by Aquamot Ag filed Critical Aquamot Ag

1989-03-23 Priority to CH1082/89A priority Critical patent/CH680586A5/de

1990-03-21 Priority to CA 2029887 priority patent/CA2029887A1/fr

1990-03-21 Priority to PCT/EP1990/000464 priority patent/WO1990011264A2/fr

1990-03-21 Priority to EP90905194A priority patent/EP0426783A1/fr

1992-09-30 Publication of CH680586A5 publication Critical patent/CH680586A5/de

Links

239000008188 pellet Substances 0.000 claims abstract description 48
238000000034 method Methods 0.000 claims abstract description 21
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
238000004519 manufacturing process Methods 0.000 claims abstract description 9
239000013543 active substance Substances 0.000 claims abstract description 5
239000000463 material Substances 0.000 claims abstract description 5
150000004679 hydroxides Chemical class 0.000 claims abstract description 3
238000005453 pelletization Methods 0.000 claims abstract 6
239000002351 wastewater Substances 0.000 claims description 34
CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 20
239000000395 magnesium oxide Substances 0.000 claims description 19
238000006386 neutralization reaction Methods 0.000 claims description 16
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
239000011777 magnesium Substances 0.000 claims description 10
JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 9
239000011701 zinc Substances 0.000 claims description 9
230000002378 acidificating effect Effects 0.000 claims description 8
239000004480 active ingredient Substances 0.000 claims description 8
239000010410 layer Substances 0.000 claims description 7
AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 5
239000005995 Aluminium silicate Substances 0.000 claims description 4
235000012211 aluminium silicate Nutrition 0.000 claims description 4
NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 4
BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 4
150000003839 salts Chemical class 0.000 claims description 4
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
239000002253 acid Substances 0.000 claims description 3
238000000576 coating method Methods 0.000 claims description 3
239000010842 industrial wastewater Substances 0.000 claims description 3
229910052742 iron Inorganic materials 0.000 claims description 3
229910052749 magnesium Inorganic materials 0.000 claims description 3
239000011241 protective layer Substances 0.000 claims description 3
229910052725 zinc Inorganic materials 0.000 claims description 3
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
239000011248 coating agent Substances 0.000 claims description 2
230000036571 hydration Effects 0.000 claims description 2
238000006703 hydration reaction Methods 0.000 claims description 2
238000002156 mixing Methods 0.000 claims description 2
239000010841 municipal wastewater Substances 0.000 claims description 2
230000006911 nucleation Effects 0.000 claims description 2
238000010899 nucleation Methods 0.000 claims description 2
235000015320 potassium carbonate Nutrition 0.000 claims description 2
229910000027 potassium carbonate Inorganic materials 0.000 claims description 2
150000007513 acids Chemical class 0.000 claims 2
BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 claims 1
150000004649 carbonic acid derivatives Chemical class 0.000 claims 1
238000004090 dissolution Methods 0.000 claims 1
239000007788 liquid Substances 0.000 claims 1
229910044991 metal oxide Inorganic materials 0.000 claims 1
150000004706 metal oxides Chemical class 0.000 claims 1
239000000126 substance Substances 0.000 abstract description 9
238000006243 chemical reaction Methods 0.000 abstract description 6
230000015572 biosynthetic process Effects 0.000 abstract 2
239000012535 impurity Substances 0.000 abstract 2
229910019142 PO4 Inorganic materials 0.000 abstract 1
NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical class OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 1
150000001768 cations Chemical class 0.000 abstract 1
150000001875 compounds Chemical class 0.000 abstract 1
229910001385 heavy metal Inorganic materials 0.000 abstract 1
BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 abstract 1
QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 abstract 1
230000000737 periodic effect Effects 0.000 abstract 1
235000021317 phosphate Nutrition 0.000 abstract 1
150000003013 phosphoric acid derivatives Chemical class 0.000 abstract 1
239000002994 raw material Substances 0.000 abstract 1
238000005054 agglomeration Methods 0.000 description 8
230000002776 aggregation Effects 0.000 description 8
239000000203 mixture Substances 0.000 description 7
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
230000003472 neutralizing effect Effects 0.000 description 5
239000000047 product Substances 0.000 description 5
239000002356 single layer Substances 0.000 description 5
239000011575 calcium Substances 0.000 description 4
238000004140 cleaning Methods 0.000 description 4
238000001311 chemical methods and process Methods 0.000 description 3
238000004065 wastewater treatment Methods 0.000 description 3
229910052925 anhydrite Inorganic materials 0.000 description 2
229910000019 calcium carbonate Inorganic materials 0.000 description 2
239000000920 calcium hydroxide Substances 0.000 description 2
235000011116 calcium hydroxide Nutrition 0.000 description 2
239000003795 chemical substances by application Substances 0.000 description 2
VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 2
239000000347 magnesium hydroxide Substances 0.000 description 2
229910001862 magnesium hydroxide Inorganic materials 0.000 description 2
238000000746 purification Methods 0.000 description 2
230000001105 regulatory effect Effects 0.000 description 2
229910000029 sodium carbonate Inorganic materials 0.000 description 2
238000007669 thermal treatment Methods 0.000 description 2
241000894006 Bacteria Species 0.000 description 1
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
235000008733 Citrus aurantifolia Nutrition 0.000 description 1
235000019738 Limestone Nutrition 0.000 description 1
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
235000011941 Tilia x europaea Nutrition 0.000 description 1
239000011149 active material Substances 0.000 description 1
238000005273 aeration Methods 0.000 description 1
230000001580 bacterial effect Effects 0.000 description 1
230000031018 biological processes and functions Effects 0.000 description 1
239000006227 byproduct Substances 0.000 description 1
229910052791 calcium Inorganic materials 0.000 description 1
AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
229910001861 calcium hydroxide Inorganic materials 0.000 description 1
230000003111 delayed effect Effects 0.000 description 1
239000010459 dolomite Substances 0.000 description 1
229910000514 dolomite Inorganic materials 0.000 description 1
230000000694 effects Effects 0.000 description 1
239000003344 environmental pollutant Substances 0.000 description 1
239000003546 flue gas Substances 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
239000010805 inorganic waste Substances 0.000 description 1
238000005342 ion exchange Methods 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
235000014413 iron hydroxide Nutrition 0.000 description 1
NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
239000004571 lime Substances 0.000 description 1
239000006028 limestone Substances 0.000 description 1
239000001095 magnesium carbonate Substances 0.000 description 1
235000014380 magnesium carbonate Nutrition 0.000 description 1
ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
229910000021 magnesium carbonate Inorganic materials 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
230000004060 metabolic process Effects 0.000 description 1
238000006241 metabolic reaction Methods 0.000 description 1
238000010327 methods by industry Methods 0.000 description 1
230000007935 neutral effect Effects 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
239000011505 plaster Substances 0.000 description 1
231100000719 pollutant Toxicity 0.000 description 1
239000000843 powder Substances 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
238000006722 reduction reaction Methods 0.000 description 1
239000010865 sewage Substances 0.000 description 1
239000011734 sodium Substances 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000007858 starting material Substances 0.000 description 1
235000011149 sulphuric acid Nutrition 0.000 description 1
239000000725 suspension Substances 0.000 description 1
230000007306 turnover Effects 0.000 description 1
UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 description 1
229940007718 zinc hydroxide Drugs 0.000 description 1
229910021511 zinc hydroxide Inorganic materials 0.000 description 1
239000011787 zinc oxide Substances 0.000 description 1
XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B19/00—Granulation or pelletisation of phosphatic fertilisers, other than slag
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D3/00—Calcareous fertilisers
- C05D3/02—Calcareous fertilisers from limestone, calcium carbonate, calcium hydrate, slaked lime, calcium oxide, waste calcium products
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Hydrology & Water Resources (AREA)
Chemical Kinetics & Catalysis (AREA)
Inorganic Chemistry (AREA)
Pest Control & Pesticides (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Processing Of Solid Wastes (AREA)
Removal Of Specific Substances (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Glanulating (AREA)

CH1082/89A 1989-03-23 1989-03-23 CH680586A5 (fr)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
CH1082/89A CH680586A5 (fr)	1989-03-23	1989-03-23
CA 2029887 CA2029887A1 (fr)	1989-03-23	1990-03-21	Procede de production de materiaux en billes utilises dans les secteurs industriel et agricole au cours de reactions chimiques
PCT/EP1990/000464 WO1990011264A2 (fr)	1989-03-23	1990-03-21	Procede pour fabriquer des materiaux pelletises destines a etre utilises dans des reactions chimiques dans l'industrie ou l'agriculture
EP90905194A EP0426783A1 (fr)	1989-03-23	1990-03-21	Procede pour fabriquer des materiaux pelletises destines a etre utilises dans des reactions chimiques dans l'industrie ou l'agriculture

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH1082/89A CH680586A5 (fr)	1989-03-23	1989-03-23

Publications (1)

Publication Number	Publication Date
CH680586A5 true CH680586A5 (fr)	1992-09-30

Family

ID=4202037

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1082/89A CH680586A5 (fr)	1989-03-23	1989-03-23

Country Status (4)

Country	Link
EP (1)	EP0426783A1 (fr)
CA (1)	CA2029887A1 (fr)
CH (1)	CH680586A5 (fr)
WO (1)	WO1990011264A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4324116A1 (de) *	1993-07-20	1995-01-26	Boguslawski Zbigniew	Verfahren zur Reinigung von sauren oder alkalischen Abwässern und flüssigen Rohkondensaten, insbesondere der Kondensate aus Rauchgasen der mit fossilen Brennstoffen betriebenen Verbrennungsanlagen
DE102006014601A1 (de) *	2006-03-29	2007-10-04	Grünbeck Wasseraufbereitung GmbH	Verfahren, Vorrichtung, Behälter sowie Mittel zur Behandlung von saurem Kondenswasser aus Feuerungsanlagen

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4009082A1 (de) *	1990-03-21	1991-09-26	Aquamot Ag	Verfahren zur reinigung von industriellen, landwirtschaftlichen oder privaten abwaessern von ihren verunreinigungen an ammoniumverbindungen
DE19503599C2 (de) *	1995-02-03	2000-08-10	Eberhard Koenig	Granulat mit Magnesiumhydrogenphosphat-3-Hydrat als Aktivkomponente, Verfahren zu dessen Herstellung sowie Verwendung des Granulates in der Abwasserreinigung
FR2946975B1 (fr) *	2009-06-18	2015-05-29	Dupoteau Catherine Journel	Dispositif autonome de correction et neutralisation du ph d'une eau acide a l'aide de substances alcalinisantes a dissolution progressive et dependante du ph
LT5921B (lt) *	2011-06-13	2013-04-25	UAB "ARVI" ir ko	Biriųjų sudėtinių trąšų gamybos būdas

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR469685A (fr) *	1914-03-16	1914-08-06	Chaux-Magnesie	Engrais-amendement
DE397474C (de) *	1922-07-04	1924-06-21	Waldhof Zellstoff Fab	Verfahren zur Herstellung eines Duengemittels
DE880877C (de) *	1941-01-14	1953-06-25	Hoechst Ag	Verfahren zur Herstellung eines Flockungsmittels fuer die Wasserreinigung
GB1199077A (en) *	1967-08-02	1970-07-15	Wintershall Ag	Slow Release Potassium Containing Fertilisers
DE2529099A1 (de) *	1975-06-30	1977-01-27	Hans Heidenreich	Abwasser-reinigungsmittel mit mineralischen reaktionsverzoegerern und verfahren zur herstellung dieser abwasser- reinigungsmittel
DE2626903A1 (de) *	1976-06-16	1977-12-29	Harzer Dolomitwerke Gmbh	Verfahren zur herstellung eines granulierten langzeitduengemittels
DE2801034A1 (de) *	1978-01-11	1979-07-12	Hoechst Ag	Flockungsmittel zur reinigung von abwaessern
SE7902651L (sv) *	1979-03-23	1980-09-24	Boliden Ab	Flockningsmedel, forfarande for dess framstellning och dess anvendning
DE3541184A1 (de) *	1985-11-21	1987-05-27	Kali & Salz Ag	Verfahren zum granulieren von gesteins- und schlackenmehl mit kieserit
EP0257021A1 (fr) *	1986-01-22	1988-03-02	Gattys Technique S.A.	Matiere a repandre et son procede de production

1989
- 1989-03-23 CH CH1082/89A patent/CH680586A5/de not_active IP Right Cessation
1990
- 1990-03-21 WO PCT/EP1990/000464 patent/WO1990011264A2/fr not_active Ceased
- 1990-03-21 EP EP90905194A patent/EP0426783A1/fr not_active Withdrawn
- 1990-03-21 CA CA 2029887 patent/CA2029887A1/fr not_active Abandoned

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4324116A1 (de) *	1993-07-20	1995-01-26	Boguslawski Zbigniew	Verfahren zur Reinigung von sauren oder alkalischen Abwässern und flüssigen Rohkondensaten, insbesondere der Kondensate aus Rauchgasen der mit fossilen Brennstoffen betriebenen Verbrennungsanlagen
DE102006014601A1 (de) *	2006-03-29	2007-10-04	Grünbeck Wasseraufbereitung GmbH	Verfahren, Vorrichtung, Behälter sowie Mittel zur Behandlung von saurem Kondenswasser aus Feuerungsanlagen
DE102006014601B4 (de) *	2006-03-29	2010-10-14	Grünbeck Wasseraufbereitung GmbH	Verfahren, Vorrichtung, Behälter sowie Mittel zur Behandlung von saurem Kondenswasser aus Feuerungsanlagen

Also Published As

Publication number	Publication date
WO1990011264A3 (fr)	1990-11-15
EP0426783A1 (fr)	1991-05-15
CA2029887A1 (fr)	1990-09-24
WO1990011264A2 (fr)	1990-10-04

Legal Events

Date	Code	Title	Description
1993-11-30	PL	Patent ceased
2024-10-31	PL	Patent ceased

Publication	Publication Date	Title
DE69512727T2 (de)	2000-03-16	Vorrichtung und Verfahren zur Behandlung von Fluor und Tenside enthaltenden Abwässern und/oder Abgasen
DE4124073A1 (de)	1992-01-23	Verfahren zur wasseraufbereitung
DE2634839A1 (de)	1977-02-24	Verfahren zur verfestigung von abfaellen verschiedener art und herkunft
CH670627A5 (fr)	1989-06-30
EP1087911A1 (fr)	2001-04-04	Procede pour la precipitation ou la floculation de substances dans des solutions
EP2122011A1 (fr)	2009-11-25	Utilisation d'une solution aqueuse neutre de nettoyage et procédé d'élimination de couches rugueuses sur des aciers inoxydables
DE69835006T2 (de)	2006-11-30	Inhibitoren des algenwachstums und ihre verwendung
EP0584502B1 (fr)	1997-10-01	Procédé de précipitation spontanée des sulfates dissous dans l'eau sous forme de sulfate d'aluminium et de calcium et utilisation de ce procédé pour la préparation de gypse du type anhydrite contenant de l'oxide d'aluminium et pauvre en chlorures
CH680586A5 (fr)	1992-09-30
DE69811092T2 (de)	2003-11-20	Behandlung von säuren wasser die gelösten eisen-kationen enthalt
DE4242698A1 (de)	1994-06-23	Erdalkali-Natrium-Acetat, ein Verfahren zu seiner Herstellung und seine Verwendung
DE69712512T2 (de)	2002-11-21	Prozess zur entfernung von gelösten metallen und/oder nichtmetallen aus einem wässrigen medium mit hohem salzgehalt
DE3904575A1 (de)	1990-08-16	Verfahren zur eliminierung von phosphaten und organisch gebundenem phosphor aus abwaessern und zulaufwaessern
DE2507113A1 (de)	1975-08-28	Verfahren zur behandlung von eisenhaltigen sauren abwaessern
DE2359016A1 (de)	1974-08-15	Mittel und verfahren zur behandlung von wasser
EP1150923B1 (fr)	2007-02-28	Procede pour enlever des depots presents dans des systemes aquiferes et des installations de distribution d'eau
DE602004003464T2 (de)	2007-09-20	Verfahren zur Behandlung vor verbrauchten Ionenaustauschern
DE2449057C3 (de)	1981-04-02	Verfahren zur Reinigung von schwermetall- und giftmetallhaltigen Abgasen
DD209430A5 (de)	1984-05-09	Verfahren zur entgiftenden behandlung von abwasserschlamm der lederindustrie
DE2745023A1 (de)	1978-04-20	Moertelstoffe aus eisen-ii-sulfat und verfahren zu ihrer herstellung
DE2937131A1 (de)	1980-04-03	Verfahren zur umwandlung des bei der titandioxidherstellung nach dem sulfatprozess als nebenprodukt anfallenden eisensulfats in ein die umwelt nicht verschmutzendes teilchenfoermiges produkt
DE2240736B2 (de)	1981-01-08	Mittel zur Inhibierung der Metallkorrosion und Verfahren zu seiner Herstellung
EP1091909B1 (fr)	2003-04-02	Procede pour l'absorption de metaux lourds
EP0369946A1 (fr)	1990-05-23	Procédé pour l'immobilisation de déchets
DE69513038T2 (de)	2000-06-08	Verfahren zur aufbereitung von sauren abflüssen