DK215775A - Fremgangsmade til fjernelse af metalioner fra en oplosning - Google Patents

Fremgangsmade til fjernelse af metalioner fra en oplosning

Info

Publication number
DK215775A
DK215775A DK215775A DK215775A DK215775A DK 215775 A DK215775 A DK 215775A DK 215775 A DK215775 A DK 215775A DK 215775 A DK215775 A DK 215775A DK 215775 A DK215775 A DK 215775A
Authority
DK
Denmark
Prior art keywords
solution
metal ions
removing metal
ions
metal
Prior art date
Application number
DK215775A
Other languages
English (en)
Inventor
Terence D Colegate
Eric J Davis
Christopher R Farnworth
Original Assignee
Laporte Industries 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 Laporte Industries Ltd filed Critical Laporte Industries Ltd
Publication of DK215775A publication Critical patent/DK215775A/da

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D15/00Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/08Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests containing solids as carriers or diluents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/12Naturally occurring clays or bleaching earth
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/223Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material containing metals, e.g. organo-metallic compounds, coordination complexes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/32Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3202Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the carrier, support or substrate used for impregnation or coating
    • B01J20/3204Inorganic carriers, supports or substrates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/32Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3214Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the method for obtaining this coating or impregnating
    • B01J20/3217Resulting in a chemical bond between the coating or impregnating layer and the carrier, support or substrate, e.g. a covalent bond
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/32Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
    • B01J20/3231Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
    • B01J20/3242Layers with a functional group, e.g. an affinity material, a ligand, a reactant or a complexing group
    • B01J20/3244Non-macromolecular compounds
    • B01J20/3265Non-macromolecular compounds with an organic functional group containing a metal, e.g. a metal affinity ligand
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/34Regenerating or reactivating
    • B01J20/3425Regenerating or reactivating of sorbents or filter aids comprising organic materials
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/34Regenerating or reactivating
    • B01J20/3433Regenerating or reactivating of sorbents or filter aids other than those covered by B01J20/3408 - B01J20/3425
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30Processes for preparing, regenerating, or reactivating
    • B01J20/34Regenerating or reactivating
    • B01J20/345Regenerating or reactivating using a particular desorbing compound or mixture
    • B01J20/3475Regenerating or reactivating using a particular desorbing compound or mixture in the liquid phase
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J45/00Ion-exchange in which a complex or a chelate is formed; Use of material as complex or chelate forming ion-exchangers; Treatment of material for improving the complex or chelate forming ion-exchange properties
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/288Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/50Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • C02F1/505Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment by oligodynamic treatment
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/14Paints containing biocides, e.g. fungicides, insecticides or pesticides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00Aspects relating to sorbent materials
    • B01J2220/50Aspects relating to the use of sorbent or filter aid materials
    • B01J2220/58Use in a single column

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Inorganic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Wood Science & Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Plant Pathology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Toxicology (AREA)
  • Dentistry (AREA)
  • Dispersion Chemistry (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Materials Engineering (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Water Treatment By Sorption (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Removal Of Specific Substances (AREA)
  • General Preparation And Processing Of Foods (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Paints Or Removers (AREA)
DK215775A 1974-05-21 1975-05-16 Fremgangsmade til fjernelse af metalioner fra en oplosning DK215775A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB22640/74A GB1482930A (en) 1974-05-21 1974-05-21 Removing metal ions from solution

Publications (1)

Publication Number Publication Date
DK215775A true DK215775A (da) 1975-11-22

Family

ID=10182715

Family Applications (2)

Application Number Title Priority Date Filing Date
DK215875A DK215875A (da) 1974-05-21 1975-05-16 Fremgangsmade til behandling af uonskede organismer med metaller
DK215775A DK215775A (da) 1974-05-21 1975-05-16 Fremgangsmade til fjernelse af metalioner fra en oplosning

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DK215875A DK215875A (da) 1974-05-21 1975-05-16 Fremgangsmade til behandling af uonskede organismer med metaller

Country Status (16)

Country Link
US (1) US4033764A (da)
JP (2) JPS5857223B2 (da)
AU (1) AU8137275A (da)
BE (2) BE829283A (da)
BR (2) BR7503200A (da)
DE (2) DE2522248C2 (da)
DK (2) DK215875A (da)
ES (2) ES437801A1 (da)
FR (2) FR2272157A1 (da)
GB (1) GB1482930A (da)
IT (1) IT1036899B (da)
LU (2) LU72536A1 (da)
NL (2) NL181557C (da)
NO (2) NO751651L (da)
SE (2) SE7505794L (da)
ZA (2) ZA753278B (da)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5940483B2 (ja) * 1977-07-21 1984-10-01 日本原子力研究所 オキシン(8−ハイドロオキシキノリン)添着活性炭の製造法
DE2952989A1 (en) * 1978-07-26 1981-01-08 J Clark Improvements in the stabilisation of hygroscopic salts
US4259103A (en) * 1979-03-12 1981-03-31 Dow Corning Corporation Method of reducing the number of microorganisms in a media and a method of preservation
US4271043A (en) * 1979-09-04 1981-06-02 W. R. Grace & Co. Pillared interlayered clay products
US4386010A (en) * 1980-09-02 1983-05-31 Engelhard Corporation Treated attapulgite clay composition
DE3239707D2 (en) * 1981-04-02 1984-10-04 Medichemie Ag Method for the preparation of molded bodies for asepticizing water and aqueous solutions
EP0073262B1 (de) * 1981-08-31 1985-11-13 Kernforschungszentrum Karlsruhe Gmbh Verfahren zum Abtrennen von Cäsiumionen aus wässrigen Lösungen unter Verwendung einer Adduktverbindung, bestehend aus einem macrocyclischen Polyether und einer anorganischen Heteropolysäure
DE3172916D1 (en) * 1981-08-31 1985-12-19 Kernforschungsz Karlsruhe Process for removing cesium ions from solutions by using an addition compound in solid form of a macrocyclic polyether and an inorganic heteropolyacid
US4444665A (en) * 1981-12-02 1984-04-24 Engelhard Corporation Treated mineral and method for purifying liquids therewith
US4530963A (en) * 1982-08-20 1985-07-23 Devoe-Holbein International, N.V. Insoluble chelating compositions
DE3231982A1 (de) * 1982-08-27 1984-03-01 Süd-Chemie AG, 8000 München Thiolathaltiges mittel und verfahren zur entfernung von schwermetallionen aus verduennten waessrigen loesungen
FR2551768A1 (fr) * 1983-09-08 1985-03-15 Little Inc A Procede ameliore de recuperation de metaux precieux a partir de matieres bimetalliques
US4659512A (en) * 1983-12-21 1987-04-21 Pedro B. Macedo Fixation of dissolved metal species with a complexing agent
US4740488A (en) * 1985-11-25 1988-04-26 The University Of Michigan Modified clay sorbents
USRE33915E (en) * 1986-01-13 1992-05-05 James William Ayres Disposable hazardous and radioactive liquid hydrocarbon waste composition and method
US4778627A (en) * 1986-01-13 1988-10-18 James William Ayres Disposable hazardous and radioactive liquid hydrocarbon waste composition and method
US4752397A (en) * 1986-06-30 1988-06-21 Aluminum Company Of America Process for removing heavy metal ions from solutions using adsorbents containing activated hydrotalcite
US4916095A (en) * 1988-07-14 1990-04-10 The University Of Michigan Modified clay sorbents
US5108620A (en) * 1990-07-03 1992-04-28 Spectrulite Consortium, Inc. Process for recovery of spent etchant
US5211843A (en) * 1990-07-03 1993-05-18 Spectrulite Consortium, Inc. Mobile apparatus for environmentally treating spent etchant safely
US5294417A (en) * 1992-04-06 1994-03-15 Olin Corporation Process for removal of mercury from hydroxyl-ammonium nitrate solutions
FI100981B (fi) * 1994-05-13 1998-03-31 Koskisen Oy Pinnoitekoostumus ja menetelmä rakennusmateriaalien pintojen suojaamis eksi mikro-organismien ei-toivotuilta reaktioilta
US5606056A (en) * 1994-05-24 1997-02-25 Arizona Board Of Regents Carbon nitride and its synthesis
US5667694A (en) * 1995-08-28 1997-09-16 Rheox, Inc. Process for the removal of heavy metals from aqueous systems using organoclays
US5780376A (en) * 1996-02-23 1998-07-14 Southern Clay Products, Inc. Organoclay compositions
US6077421A (en) * 1996-07-18 2000-06-20 The United States Of America As Represented By The Secretary Of The Navy Metal complexing
US6271298B1 (en) 1999-04-28 2001-08-07 Southern Clay Products, Inc. Process for treating smectite clays to facilitate exfoliation
US6787592B1 (en) 1999-10-21 2004-09-07 Southern Clay Products, Inc. Organoclay compositions prepared from ester quats and composites based on the compositions
GB0214355D0 (en) * 2002-06-21 2002-07-31 Rockwood Additives Ltd Synthetic magnesium silicate compositions and process for the production thereof
GB0229630D0 (en) * 2002-12-20 2003-01-22 Rockwood Additives Ltd Process for the production of synthetic magnesium silicate compositions
US20050090584A1 (en) * 2003-10-23 2005-04-28 Powell Clois E. Preparation of rubber compositions with organoclays
US20050187305A1 (en) * 2004-02-25 2005-08-25 Briell Robert G. Solvent gelation using particulate additives
US20050228103A1 (en) * 2004-04-13 2005-10-13 Eastman Kodak Company Composition comprising intercalated metal-ion sequestrants
WO2006048746A2 (en) * 2004-11-02 2006-05-11 Pfizer Inc. Methods for the removal of heavy metals
US8025160B2 (en) * 2007-06-05 2011-09-27 Amcol International Corporation Sulfur-impregnated organoclay mercury and/or arsenic ion removal media
US20080302733A1 (en) 2007-06-05 2008-12-11 Amcol International Corporation Coupling agent-reacted mercury removal media
US7910005B2 (en) * 2007-06-05 2011-03-22 Amcol International Corporation Method for removing mercury and/or arsenic from contaminated water using an intimate mixture of organoclay and elemental sulfur
US7871524B2 (en) * 2007-06-05 2011-01-18 Amcol International Corporation Method for removing merury and/or arsenic from water using a silane coupling agent reacted organoclay
US8357303B2 (en) * 2007-09-04 2013-01-22 Halliburton Energy Services, Inc. Method for removing metal contaminants from a metal containing solution
CN107840429B (zh) * 2017-11-13 2018-10-19 江苏环保产业技术研究院股份公司 一种去除六价铬的金属有机高分子材料及其制备方法和应用

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA592862A (en) * 1960-02-16 Arthur D. Little Process for the recovery of metals employing a chelating agent
GB831745A (en) * 1956-08-09 1960-03-30 Little Inc A Process for the recovery of dissolved metal values
NL243444A (da) * 1958-09-24
DE1929661B2 (de) * 1969-06-11 1975-11-06 Bayer Ag, 5090 Leverkusen Verfahren zur Reinigung von Cadmiumlösungen
CA955035A (en) * 1970-02-05 1974-09-24 Osaka Soda Co. Treatment process for removal of metals and treating agent therefor
CH544574A (de) * 1971-06-10 1973-11-30 Roth Handels Gmbh Mittel zur Sorption von flüssigen Metallen und von Metalldämpfen
JPS4829479A (da) * 1971-08-18 1973-04-19
US3847841A (en) * 1972-03-11 1974-11-12 Tokuyama Soda Kk Thiosemicarbazido heavy metal adsorbing resins
US3872001A (en) * 1973-05-31 1975-03-18 Celanese Corp Removal of heavy metal pollutants from aqueous media
JPS5025489A (da) * 1973-07-10 1975-03-18
US3888435A (en) * 1974-07-18 1975-06-10 Kenneth R Foote Helicopter with auxiliary load-supporting and lifting capacity

Also Published As

Publication number Publication date
DK215875A (da) 1975-11-22
BR7503200A (pt) 1976-04-20
NL7505887A (nl) 1975-11-25
JPS5857223B2 (ja) 1983-12-19
JPS515288A (da) 1976-01-16
DE2522248C2 (de) 1986-01-30
AU8137275A (en) 1976-11-25
IT1036899B (it) 1979-10-30
SE7505793L (sv) 1975-11-24
FR2272046B1 (fr) 1982-07-16
NO751650L (da) 1975-11-24
FR2272157A1 (fr) 1975-12-19
US4033764A (en) 1977-07-05
BE829283A (fr) 1975-11-20
ES437801A1 (es) 1977-01-01
DE2522249A1 (de) 1975-12-11
LU72537A1 (da) 1976-03-17
JPS50160425A (da) 1975-12-25
ZA753278B (en) 1976-04-28
NL7505888A (nl) 1975-11-25
BR7503199A (pt) 1976-11-16
AU8137375A (en) 1976-11-25
ES437802A1 (es) 1977-01-16
LU72536A1 (da) 1976-03-17
NL181557C (nl) 1987-09-16
BE829282A (fr) 1975-11-20
GB1482930A (en) 1977-08-17
FR2272046A1 (fr) 1975-12-19
SE7505794L (sv) 1975-11-24
ZA753279B (en) 1976-04-28
NO751651L (da) 1975-11-24
DE2522248A1 (de) 1975-12-11

Similar Documents

Publication Publication Date Title
DK215775A (da) Fremgangsmade til fjernelse af metalioner fra en oplosning
DK486276A (da) Fremgangsmade til fjernelse af phosphat fra bod-holdigt spildevand
DK247376A (da) Fremgangsmade til fremstilling af lithiumforbindelser
NO834836L (no) Fremgangsmaate ved avskjaering av metallstrimler
DK199376A (da) Fremgangsmade til fjernelse af nitrogenoxider ved scrubbing
DK145458C (da) Fremgangsmaade til fjernelse af ti-urenheder fra et kaolinler
DK139596C (da) Anlaeg til udvinding af metal
FR2300875A1 (fr) Echafaudage interieur pour grandes enceintes metalliques
DK314577A (da) Fremgangsmade til stabilisering af belegninger af metaloxid
SE424604B (sv) Forfarande for extrahering av metaller
DK151993C (da) Fremgangsmaade til genvinding af bly fra brugte blyakkumulatorer
IL49926A0 (en) Method for removing fluorine from phosphatic solutions
DK81876A (da) Fremgangsmade til fjernelse af nitrogenforbindelser fra vand
DK149738C (da) Fremgangsmaade til cyclisk fjernelse af ioner fra en vandig faedeoplaesning
DK443576A (da) Fremgangsmade til fjernelse af metallisk kviksolv fra medier indeholdende dette
DK415878A (da) Fremgangsmaade til fjernelse af nitroseringsmidler
DK145877C (da) Fremgangsmaade til fremstilling af alfa-6-desoxy-5-hydroxytetracyclin
GB1539565A (en) Process for removing no2 from no2-containing waste gas
DK483575A (da) Fremgangsmade til fjernelse af partikelformigt materiale fra en gasstrom
DK508576A (da) Fremgangsmade til rensning af industrielt spildevand
DK118076A (da) Fremgangsmade til fjernelse af metaller fra oplosninger
DK127370B (da) Fremgangsmåde til fjernelse af en udvalgt komponent fra en gasstrøm.
DK137229B (da) Fremgangsmade til rensning af vadphosphorsyre
DK400475A (da) Kredslob til styring af et rele
DK435576A (da) Fremgangsmade til kimfjernelse fra vand