DE68926310T2 - Verfahren zur abtrennung von metallischen ionen mit phosphonsäuren als complexbildner - Google Patents
Verfahren zur abtrennung von metallischen ionen mit phosphonsäuren als complexbildnerInfo
- Publication number
- DE68926310T2 DE68926310T2 DE68926310T DE68926310T DE68926310T2 DE 68926310 T2 DE68926310 T2 DE 68926310T2 DE 68926310 T DE68926310 T DE 68926310T DE 68926310 T DE68926310 T DE 68926310T DE 68926310 T2 DE68926310 T2 DE 68926310T2
- Authority
- DE
- Germany
- Prior art keywords
- complex
- complexing agents
- imagers
- phosphonic acids
- metallic ions
- 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 - Lifetime
Links
- 238000000034 method Methods 0.000 title abstract 2
- 150000001455 metallic ions Chemical class 0.000 title 1
- 150000003009 phosphonic acids Chemical class 0.000 title 1
- 229910021645 metal ion Inorganic materials 0.000 abstract 4
- 239000008139 complexing agent Substances 0.000 abstract 3
- QWGMOQMMRSEEHU-UHFFFAOYSA-N 2-hydroxy-2,2-diphosphonoacetic acid Chemical compound OC(=O)C(O)(P(O)(O)=O)P(O)(O)=O QWGMOQMMRSEEHU-UHFFFAOYSA-N 0.000 abstract 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 239000005864 Sulphur Substances 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 150000007513 acids Chemical class 0.000 abstract 1
- 230000000536 complexating effect Effects 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 230000000593 degrading effect Effects 0.000 abstract 1
- XQRLCLUYWUNEEH-UHFFFAOYSA-N diphosphonic acid Chemical class OP(=O)OP(O)=O XQRLCLUYWUNEEH-UHFFFAOYSA-N 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 150000002894 organic compounds Chemical class 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
- C07F9/3804—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)] not used, see subgroups
- C07F9/3839—Polyphosphonic acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/38—Liquid-membrane separation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/46—Preparation involving solvent-solvent extraction
- C01B25/461—Preparation involving solvent-solvent extraction the phosphoric acid present in the medium obtained after reaction being first extracted from the liquid phase formed or separated then re-extracted as free acid by using water or as a phosphate by using a basic compound
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F17/00—Compounds of rare earth metals
- C01F17/10—Preparation or treatment, e.g. separation or purification
- C01F17/17—Preparation or treatment, e.g. separation or purification involving a liquid-liquid extraction
-
- 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
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
- C02F1/683—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of complex-forming compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F11/00—Compounds containing elements of Groups 6 or 16 of the Periodic Table
- C07F11/005—Compounds containing elements of Groups 6 or 16 of the Periodic Table compounds without a metal-carbon linkage
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
- C07F15/02—Iron compounds
- C07F15/025—Iron compounds without a metal-carbon linkage
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F15/00—Compounds containing elements of Groups 8, 9, 10 or 18 of the Periodic Table
- C07F15/06—Cobalt compounds
- C07F15/065—Cobalt compounds without a metal-carbon linkage
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F19/00—Metal compounds according to more than one of main groups C07F1/00 - C07F17/00
- C07F19/005—Metal compounds according to more than one of main groups C07F1/00 - C07F17/00 without metal-C linkages
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/20—Treatment or purification of solutions, e.g. obtained by leaching
- C22B3/26—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds
- C22B3/38—Treatment or purification of solutions, e.g. obtained by leaching by liquid-liquid extraction using organic compounds containing phosphorus
- C22B3/384—Pentavalent phosphorus oxyacids, esters thereof
- C22B3/3844—Phosphonic acid, e.g. H2P(O)(OH)2
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/04—Treating liquids
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/04—Treating liquids
- G21F9/06—Processing
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- High Energy & Nuclear Physics (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Medicinal Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Hydrology & Water Resources (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Extraction Or Liquid Replacement (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US26560888A | 1988-11-01 | 1988-11-01 | |
US35140289A | 1989-05-12 | 1989-05-12 | |
PCT/US1989/004857 WO1990005115A1 (en) | 1988-11-01 | 1989-10-31 | Phosphonic acids and their uses in separation |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68926310D1 DE68926310D1 (de) | 1996-05-23 |
DE68926310T2 true DE68926310T2 (de) | 1996-10-24 |
Family
ID=26951315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68926310T Expired - Lifetime DE68926310T2 (de) | 1988-11-01 | 1989-10-31 | Verfahren zur abtrennung von metallischen ionen mit phosphonsäuren als complexbildner |
Country Status (8)
Country | Link |
---|---|
US (2) | US5332531A (de) |
EP (1) | EP0449942B1 (de) |
JP (1) | JP3021035B2 (de) |
AT (1) | ATE136870T1 (de) |
CA (1) | CA2001976C (de) |
DE (1) | DE68926310T2 (de) |
RU (1) | RU2091311C1 (de) |
WO (1) | WO1990005115A1 (de) |
Families Citing this family (45)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5078894A (en) * | 1990-04-30 | 1992-01-07 | Arch Development Corporation | Formulations for iron oxides dissolution |
US5770085A (en) * | 1991-06-12 | 1998-06-23 | Idaho Research Foundation, Inc. | Extraction of metals and/or metalloids from acidic media using supercritical fluids and salts |
US5965025A (en) * | 1991-06-12 | 1999-10-12 | Idaho Research Foundation, Inc. | Fluid extraction |
US5182251A (en) * | 1991-10-10 | 1993-01-26 | Brigham Young University | Aminoalkylphosphonic acid containing ligands attached to solid supports for removal of metal ions |
DE4421932A1 (de) * | 1994-06-23 | 1996-01-04 | Basf Ag | Verfahren von kohlenwasserstofflöslichen Aminomethylenphosphonsäure-Derivaten zur solventextraktiven Abtrennung von Eisenionen aus wäßrigen Lösungen |
JP3830986B2 (ja) * | 1995-03-07 | 2006-10-11 | 日本化学工業株式会社 | ジ(1,1,3,3−テトラメチルブチル)ホスフィン及びその製造方法 |
US5651883A (en) * | 1995-06-06 | 1997-07-29 | Argonne National Laboratory/University Of Chicago Development Corp. | Method for the chromatographic separation of cations from aqueous samples |
EP0780406A3 (de) * | 1995-12-21 | 1997-08-20 | Albright & Wilson Uk Ltd | Phosphonsäurepolymere |
US5759512A (en) * | 1996-06-04 | 1998-06-02 | Cytec Technology Corp. | Regeneration of dithiophosphorus acid metal extractants |
US5840193A (en) * | 1996-07-26 | 1998-11-24 | Idaho Research Foundation | Fluid extraction using carbon dioxide and organophosphorus chelating agents |
US6086769A (en) * | 1996-09-16 | 2000-07-11 | Commodore Separation Technologies, Inc. | Supported liquid membrane separation |
US6153535A (en) * | 1996-10-23 | 2000-11-28 | Asahi Glass Company Ltd. | Method for removing a thin film for a window glass |
US6187911B1 (en) | 1998-05-08 | 2001-02-13 | Idaho Research Foundation, Inc. | Method for separating metal chelates from other materials based on solubilities in supercritical fluids |
EP1349639B1 (de) * | 2001-01-05 | 2008-12-03 | Areva NP | Verfahren zur trennung von isotopen |
DE10151180B4 (de) * | 2001-10-17 | 2010-05-12 | Nowack, Norbert, Prof. Dr.-Ing. | Verfahren und Lösung zur Entschichtung von metallischen Gegenständen mit Nickel-Korrosionsschutzbeschichtung |
US7128840B2 (en) | 2002-03-26 | 2006-10-31 | Idaho Research Foundation, Inc. | Ultrasound enhanced process for extracting metal species in supercritical fluids |
US7686865B2 (en) * | 2005-01-18 | 2010-03-30 | Idaho Research Foundation, Inc. | Method and system for recovering metal from metal-containing materials |
US7166758B2 (en) * | 2005-03-26 | 2007-01-23 | Luis Nunez | Foam and gel methods for the decontamination of metallic surfaces |
US8673297B2 (en) * | 2006-02-28 | 2014-03-18 | Basf Corporation | Chlorine dioxide based cleaner/sanitizer |
FR2911340B1 (fr) * | 2007-01-16 | 2009-04-17 | Commissariat Energie Atomique | Materiau comprenant des polyazacycloalcanes, greffes sur des fibres de polypropylene, son procede de preparation, et procede d'elimination de cations metalliques d'un liquide |
EA013997B1 (ru) * | 2007-11-22 | 2010-08-30 | Иркутская Городская Общественная Организация "Экологическая Группа" | Способ извлечения металлов |
CN101824536B (zh) * | 2009-03-03 | 2011-12-14 | 北京有色金属研究总院 | 一种从硫酸处理磷矿过程中提取稀土的工艺 |
US8999168B2 (en) * | 2010-10-29 | 2015-04-07 | Ut-Battelle, Llc | Supported liquid inorganic membranes for nuclear waste separation |
RU2460693C2 (ru) * | 2010-11-17 | 2012-09-10 | Открытое акционерное общество "Калужский научно-исследовательский институт телемеханических устройств" | Способ каталитического окисления аниона 1-гидроксиэтан-1,1-дифосфоновой кислоты в водном растворе |
RU2588960C2 (ru) | 2011-03-18 | 2016-07-10 | Орбит Элюминэ Инк. | Способы извлечения редкоземельных элементов из алюминийсодержащих материалов |
RU2013153535A (ru) | 2011-05-04 | 2015-06-10 | Орбит Элюминэ Инк. | Способы извлечения редкоземельных элементов из различных руд |
RU2014114938A (ru) | 2011-09-16 | 2015-10-27 | Орбит Элюминэ Инк. | Способы получения оксида алюминия и разнообразных других продуктов |
CN102442657B (zh) * | 2011-10-14 | 2014-02-26 | 吴杰 | 一种用于溶剂萃取法精制湿法磷酸的洗涤工艺 |
RU2490735C2 (ru) * | 2011-11-22 | 2013-08-20 | Российская Федерация, от имени которой выступает Открытое акционерное общество "Государственный научный центр - Научно-исследовательский институт атомных реакторов" | Способ подготовки растворов переработки оят, содержащих комплексообразующие вещества, для экстракционного извлечения многовалентных актинидов |
RU2500629C2 (ru) * | 2011-12-20 | 2013-12-10 | Открытое акционерное общество "Калужский научно-исследовательский институт телемеханических устройств" | Способ разрушения аниона 1-гидроксиэтан-1,1-дифосфоновой кислоты в отходах производства |
AU2013202318B2 (en) | 2012-01-10 | 2015-11-05 | Aem Technologies Inc. | Processes for treating red mud |
JP2015518414A (ja) | 2012-03-29 | 2015-07-02 | オーバイト アルミナ インコーポレイテッドOrbite Aluminae Inc. | フライアッシュ処理プロセス |
RU2597096C2 (ru) | 2012-07-12 | 2016-09-10 | Орбит Алюминэ Инк. | Способы получения оксида титана и различных других продуктов |
US8871163B2 (en) | 2012-09-18 | 2014-10-28 | American Vanadium Corp. | Vanadium oxide purification process |
US9353425B2 (en) | 2012-09-26 | 2016-05-31 | Orbite Technologies Inc. | Processes for preparing alumina and magnesium chloride by HCl leaching of various materials |
RU2514823C1 (ru) * | 2012-10-23 | 2014-05-10 | Федеральное государственное бюджетное учреждение науки Институт химии и технологии редких элементов и минерального сырья им. И.В. Тананаева Кольского научного центра Российской академии наук (ИХТРЭМС КНЦ РАН) | Способ обработки радиактивного раствора |
US9499420B2 (en) | 2012-11-06 | 2016-11-22 | Thatcher Company, Inc. | Formulations and methods for removing heavy metals from waste solutions containing chelating agents |
US9534274B2 (en) | 2012-11-14 | 2017-01-03 | Orbite Technologies Inc. | Methods for purifying aluminium ions |
US9126909B2 (en) * | 2012-12-06 | 2015-09-08 | The United States Of America, As Represented By The Secretary Of Agriculture | Heavy metal remediation via sulfur-modified bio-oils |
RU2529185C1 (ru) * | 2013-02-12 | 2014-09-27 | Федеральное государственное унитарное предприятие "Научно-производственное объединение "Радиевый институт имени В.Г. Хлопина" | Способ подготовки карбидного оят к экстракционной переработке (варианты) |
KR20150003971A (ko) * | 2013-07-01 | 2015-01-12 | 삼성전자주식회사 | 포스포네이트기 함유 이온성 올리고머를 포함한 유도 용질 및 이를 이용한 정삼투 수처리 장치와 정삼투 수처리 방법 |
US9074162B1 (en) | 2014-02-07 | 2015-07-07 | Ecolab Usa Inc. | Detergent compositions comprising vinylidene diphosphonic acid polymers |
RU2572136C1 (ru) * | 2014-12-22 | 2015-12-27 | Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Северный (Арктический) федеральный университет имени М.В. Ломоносова" (САФУ) | Способ осаждения ионов хрома (vi) |
CN105363768A (zh) * | 2015-12-09 | 2016-03-02 | 辽宁石油化工大学 | 翠菊和有机膦酸在修复铅污染土壤中的应用 |
RU2748195C1 (ru) * | 2020-10-21 | 2021-05-20 | Федеральное государственное бюджетное учреждение науки Институт химии твердого тела Уральского отделения Российской академии наук | Способ извлечения ванадия |
Family Cites Families (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2686803A (en) * | 1950-12-30 | 1954-08-17 | California Research Corp | Surface-active esters of alkene phosphonous acids |
FR1403179A (fr) * | 1963-07-26 | 1965-06-18 | Monsanto Co | Méthode et compositions pour communiquer des propriétés séquestrantes à un agent générateur de chlore |
US4579720A (en) * | 1965-08-24 | 1986-04-01 | Plains Chemical Development Co. | Chelation |
GB1204967A (en) * | 1967-05-08 | 1970-09-09 | Monsanto Co | Organic phosphorus compounds, their production and use |
US3625982A (en) * | 1968-05-15 | 1971-12-07 | Merck & Co Inc | (1,2-epoxypropyl)phosphonous acid derivatives |
US3520808A (en) * | 1968-06-04 | 1970-07-21 | Mobil Oil Corp | Lubricating compositions containing novel phosphinic reaction products |
US3641126A (en) * | 1968-12-23 | 1972-02-08 | Procter & Gamble | Process for preparation of ethane-1-hydroxy - 1 1 2-triphosphonates from ethanecarbonyl-1 2-diphosphonates |
US3686290A (en) * | 1969-05-29 | 1972-08-22 | Robert L Carroll | Processes for preparing olefinic organo-phosphorus compounds |
US4075291A (en) * | 1969-11-06 | 1978-02-21 | Petrolite Corporation | Pyrophosphates |
US3671126A (en) * | 1970-02-19 | 1972-06-20 | Ati Inc | Noncontacting optical probe |
GB1345518A (en) * | 1970-02-20 | 1974-01-30 | Albright & Wilson | Phosphonate sequestrant |
US3617576A (en) * | 1970-04-13 | 1971-11-02 | Monsanto Co | Methods of scale inhibition |
US3940436A (en) * | 1970-04-13 | 1976-02-24 | Monsanto Company | Substituted ethane diphosphonic acids and salts and esters thereof |
US3808237A (en) * | 1970-04-13 | 1974-04-30 | Monsanto Co | Substituted epoxy ethane polyphosphonic acids and salts |
GB1453840A (en) * | 1973-05-15 | 1976-10-27 | Ici Ltd | Moulding composition |
US3993728A (en) * | 1975-08-27 | 1976-11-23 | The United States Of America As Represented By The United States Energy Research And Development Administration | Bidentate organophosphorus solvent extraction process for actinide recovery and partition |
US4302429A (en) * | 1976-11-08 | 1981-11-24 | E. I. Du Pont De Nemours And Company | Process for solution mining of uranium ores |
US4293529A (en) * | 1978-10-27 | 1981-10-06 | Uranium Recovery Corporation | Process for recovering uranium from wet-process phosphoric acid using alkyl pyrophosphoric acid extractants |
US4302427A (en) * | 1979-03-19 | 1981-11-24 | International Minerals & Chemical Corporation | Recovery of uranium from wet-process phosphoric acid |
US4254063A (en) * | 1979-05-07 | 1981-03-03 | Betz Laboratories, Inc. | Method for preparing oligomeric ester chain condensates of substituted 1-hydroxy-1,1-diphosphonic acid |
FR2460958A1 (fr) * | 1979-07-09 | 1981-01-30 | Elf Aquitaine | Nouveaux composes diphosphoniques, utiles a l'extraction des metaux lourds |
FR2460960A1 (fr) * | 1979-07-09 | 1981-01-30 | Elf Aquitaine | Nouveaux esthers triphosphoniques, utiles a l'extraction des metaux lourds |
SU790698A1 (ru) * | 1979-07-24 | 1981-12-30 | Предприятие П/Я А-7815 | Способ получени щелочных солей комплексов оксиэтилидендифосфоновой кислоты с металлами п группы |
US4316877A (en) * | 1979-11-23 | 1982-02-23 | Allied Corporation | Extraction of uranium values from phosphoric acid |
US4464386A (en) * | 1981-02-17 | 1984-08-07 | Nissan Chemical Industries, Ltd. | Insecticidal 3-difluoromethoxyphenyl-1-phenylcarbamoyl-2-pyrazolines |
DE3225469A1 (de) * | 1982-07-05 | 1984-01-05 | Schering AG, 1000 Berlin und 4709 Bergkamen | Diphosphonsaeure-derivate und diese enthaltende pharmazeutische praeparate |
FR2531088B1 (fr) * | 1982-07-29 | 1987-08-28 | Sanofi Sa | Produits anti-inflammatoires derives de l'acide methylenediphosphonique et leur procede de preparation |
FR2535217B1 (fr) * | 1982-10-29 | 1989-08-18 | Ceca Sa | Procede de recuperation de metaux lourds a partir de solutions acides |
US4499833A (en) * | 1982-12-20 | 1985-02-19 | Rockwell International Corporation | Thermal conversion of wastes |
US4762649A (en) * | 1985-08-19 | 1988-08-09 | Monsanto Company | Polymeric alkylene diphosphonate anhydrides, their production and use |
US4733005A (en) * | 1986-04-21 | 1988-03-22 | The Dow Chemical Company | Phosphinyl-containing ethylenically unsaturated compounds |
DE3622786A1 (de) * | 1986-07-07 | 1988-02-04 | Benckiser Knapsack Gmbh | Verfahren zur herstellung von vinyldiphosphonsaeure und ihren salzen |
DE3623397A1 (de) * | 1986-07-11 | 1988-01-14 | Boehringer Mannheim Gmbh | Neue diphosphonsaeurederivate, verfahren zu deren herstellung und diese verbindungen enthaltende arzneimittel |
DE3724654A1 (de) * | 1987-07-25 | 1989-02-02 | Henkel Kgaa | Hydroxyacetonitrildiphosphonsaeure, verfahren zu ihrer herstellung und ihre verwendung |
-
1989
- 1989-10-31 EP EP90901143A patent/EP0449942B1/de not_active Expired - Lifetime
- 1989-10-31 WO PCT/US1989/004857 patent/WO1990005115A1/en active IP Right Grant
- 1989-10-31 AT AT90901143T patent/ATE136870T1/de not_active IP Right Cessation
- 1989-10-31 RU SU894895297A patent/RU2091311C1/ru active
- 1989-10-31 DE DE68926310T patent/DE68926310T2/de not_active Expired - Lifetime
- 1989-10-31 JP JP02502207A patent/JP3021035B2/ja not_active Expired - Lifetime
- 1989-11-01 CA CA002001976A patent/CA2001976C/en not_active Expired - Lifetime
-
1992
- 1992-06-10 US US07/898,386 patent/US5332531A/en not_active Expired - Lifetime
-
1994
- 1994-07-07 US US08/250,001 patent/US5678242A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE136870T1 (de) | 1996-05-15 |
US5332531A (en) | 1994-07-26 |
CA2001976A1 (en) | 1990-05-01 |
WO1990005115A1 (en) | 1990-05-17 |
EP0449942B1 (de) | 1996-04-17 |
EP0449942A1 (de) | 1991-10-09 |
EP0449942A4 (en) | 1992-06-10 |
CA2001976C (en) | 2000-04-18 |
JPH04505576A (ja) | 1992-10-01 |
RU2091311C1 (ru) | 1997-09-27 |
US5678242A (en) | 1997-10-14 |
JP3021035B2 (ja) | 2000-03-15 |
DE68926310D1 (de) | 1996-05-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE68926310T2 (de) | Verfahren zur abtrennung von metallischen ionen mit phosphonsäuren als complexbildner | |
FI964305A (fi) | Menetelmä tiettyjen ionien erottamiseksi ja konsentroimiseksi käyttäen membraaneihin kiinnitettyjä, ioneja sitovia ligandeja | |
TW268007B (de) | ||
RU94022468A (ru) | Способ концентрирования, удаления и выделения требуемых ионов из содержащего различные ионы исходного раствора, который может дополнительно содержать ионы водорода и/или хелатообразующие агенты, и соединение для его осуществления | |
ATE13040T1 (de) | Verfahren zur extraktion von schwermetallionen aus waessrigen loesungen. | |
DE68916292D1 (de) | Verfahren zur Entfernung von Schwermetallionen aus Phosphorsäure. | |
US3479139A (en) | Purifying phosphoric acid | |
ES2101127T3 (es) | Inmovilizacion de substancias radioactivas metalicas de un medio liquido a un medio solido. | |
ES8604661A1 (es) | Metodo para solidificar y separar elementos constitutivos de soluciones de acido fosforico conteniendo uranio y metales disueltos | |
ATE36144T1 (de) | Verfahren zur reinigung von phosphorsaeure. | |
SE8503139L (sv) | Extraktionsforfarande | |
DE3766173D1 (de) | Verfahren zur beseitigung von schwermetallen aus waessrigen, sauren, phosphat enthaltenden medien. | |
CA2310111A1 (en) | Cyanide recovery by solvent extraction | |
DE59406004D1 (de) | Verfahren zur Behandlung von Flugasche | |
ATE7483T1 (de) | Verfahren zur abtrennung von metallen aus waessrigen loesungen. | |
JPS5513171A (en) | Treatment of phosphorus-containing waste water | |
ATE74571T1 (de) | Verfahren zur aufarbeitung von schwermetallhaltigen rueckstaenden aus der reinigung von rohphosphorsaeuren. | |
JPS5561997A (en) | Treatment method for chemical cleaning waste water | |
ATE99991T1 (de) | Verfahren zur verhinderung des zusammenbackens von pulver. | |
ES8702509A1 (es) | Metodo para recuperar uranio a partir de acido fosforico ob-tenido por via humeda | |
DE68911606D1 (de) | Verfahren zur Beseitigung von Cadmium aus Phosphorsäure enthaltenden Lösungen. | |
JPS6418492A (en) | Waste liquid treatment method | |
DE3765169D1 (de) | Verfahren zur reinigung von oxalsaeurediamid. | |
MX9605036A (es) | Composiciones y procesos para separar y concentrar ciertos iones de soluciones de ion mezcladas usando grupos coordinadores de ligazon de iones ligados a membranas | |
TH18967B (th) | วิธีการสำหรับชะละลายวัสดุที่มีสังกะสีออกไซด์และสังกะสีซิลิเคท |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |