NO830474L - Fremgangsmaate til nedsettelse av tungmetall-innholdet i raafosfat - Google Patents
Fremgangsmaate til nedsettelse av tungmetall-innholdet i raafosfatInfo
- Publication number
- NO830474L NO830474L NO830474A NO830474A NO830474L NO 830474 L NO830474 L NO 830474L NO 830474 A NO830474 A NO 830474A NO 830474 A NO830474 A NO 830474A NO 830474 L NO830474 L NO 830474L
- Authority
- NO
- Norway
- Prior art keywords
- solution
- phosphate
- calcium nitrate
- raw phosphate
- neutralization
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 57
- 229910019142 PO4 Inorganic materials 0.000 title claims description 30
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 title claims description 28
- 239000010452 phosphate Substances 0.000 title claims description 28
- 229910001385 heavy metal Inorganic materials 0.000 title claims description 24
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims description 39
- 239000000243 solution Substances 0.000 claims description 34
- 238000006386 neutralization reaction Methods 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 10
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 7
- 229910001424 calcium ion Inorganic materials 0.000 claims description 7
- 229910017604 nitric acid Inorganic materials 0.000 claims description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 4
- 239000000920 calcium hydroxide Substances 0.000 claims description 4
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 4
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 claims description 3
- 238000010306 acid treatment Methods 0.000 claims description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000003929 acidic solution Substances 0.000 claims description 2
- 229940065285 cadmium compound Drugs 0.000 claims description 2
- 150000001662 cadmium compounds Chemical class 0.000 claims description 2
- NAGJZTKCGNOGPW-UHFFFAOYSA-N dithiophosphoric acid Chemical compound OP(O)(S)=S NAGJZTKCGNOGPW-UHFFFAOYSA-N 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 150000004763 sulfides Chemical class 0.000 claims 1
- 235000021317 phosphate Nutrition 0.000 description 24
- 229910052793 cadmium Inorganic materials 0.000 description 7
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 7
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 229910052586 apatite Inorganic materials 0.000 description 5
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 5
- 239000003085 diluting agent Substances 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 150000003568 thioethers Chemical class 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 2
- 239000001506 calcium phosphate Substances 0.000 description 2
- 229910000389 calcium phosphate Inorganic materials 0.000 description 2
- 235000011010 calcium phosphates Nutrition 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000000184 acid digestion Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- FLQUDUCNBDGCRI-UHFFFAOYSA-N hydroxy-sulfanyl-sulfidophosphanium Chemical compound SP(S)=O FLQUDUCNBDGCRI-UHFFFAOYSA-N 0.000 description 1
- 150000002681 magnesium compounds Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- -1 sulfur hydrogen Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C01B25/01—Treating phosphate ores or other raw phosphate materials to obtain phosphorus or phosphorus compounds
-
- 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
- C22B3/385—Thiophosphoric acids, or esters thereof
-
- 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)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Removal Of Specific Substances (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Manufacture And Refinement Of Metals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19823204963 DE3204963A1 (de) | 1982-02-12 | 1982-02-12 | Verfahren zur verminderung des schwermetall-gehaltes im rohphosphat |
| DE19823210575 DE3210575A1 (de) | 1982-03-23 | 1982-03-23 | Verfahren zur verminderung des schwermetall-gehaltes, insbesondere an cadmiumverbindungen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO830474L true NO830474L (no) | 1983-08-15 |
Family
ID=25799554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO830474A NO830474L (no) | 1982-02-12 | 1983-02-11 | Fremgangsmaate til nedsettelse av tungmetall-innholdet i raafosfat |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0087065B1 (es) |
| DE (1) | DE3360853D1 (es) |
| ES (1) | ES519691A0 (es) |
| NO (1) | NO830474L (es) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3332698A1 (de) * | 1983-09-10 | 1985-03-21 | Chemische Fabrik Budenheim Rudolf A. Oetker, 6501 Budenheim | Verfahren zur entfernung von cadmium aus phosphaterzen |
| US4721605A (en) * | 1985-07-24 | 1988-01-26 | American Cyanamid Company | Selective removal of metals from aqueous solutions with dithiophosphinic acids |
| FR2649391B1 (fr) * | 1989-07-04 | 1991-10-31 | Pierre Becker | Procede de traitement de l'acide phosphorique pour en eliminer certains metaux lourds |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2447390C3 (de) * | 1974-10-04 | 1983-11-17 | Hoechst Ag, 6230 Frankfurt | Verfahren zur Reinigung von Naßphosphorsäure |
| JPS5375196A (en) * | 1976-12-15 | 1978-07-04 | Central Glass Co Ltd | Removing method for heavy metals from phosphoric acid solution |
| SE418845B (sv) * | 1979-05-10 | 1981-06-29 | Boliden Ab | Forfarande for rening av vatprocessfosforsyra |
-
1983
- 1983-02-09 EP EP83101225A patent/EP0087065B1/de not_active Expired
- 1983-02-09 DE DE8383101225T patent/DE3360853D1/de not_active Expired
- 1983-02-10 ES ES519691A patent/ES519691A0/es active Granted
- 1983-02-11 NO NO830474A patent/NO830474L/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES8400989A1 (es) | 1983-12-01 |
| DE3360853D1 (en) | 1985-10-31 |
| EP0087065B1 (de) | 1985-09-25 |
| ES519691A0 (es) | 1983-12-01 |
| EP0087065A1 (de) | 1983-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2170240C (en) | Treatment method for waste sludge comprising at least one metal | |
| KR102251756B1 (ko) | 철과 알루미늄 중 적어도 하나 및 인을 함유하는 물질로부터의 인산염 화합물의 생산 | |
| US4986970A (en) | Method for removal of heavy metals, especially cadmium, from phosphoric acid containing solutions | |
| JP6301325B2 (ja) | リン酸アンモニウムの製造 | |
| US4755303A (en) | Method of converting brines to useful products | |
| CA1191700A (en) | Process for extracting heavy metal ions from aqueous solutions | |
| JP6350379B2 (ja) | フッ素含有排水からのフッ素分離方法 | |
| CN116745240A (zh) | 从磷灰石矿物回收商业物质 | |
| RU2543160C2 (ru) | Способ сернокислотного разложения рзм-содержащего фосфатного сырья | |
| JPS6261524B2 (es) | ||
| KR100341613B1 (ko) | 산성화된폐수슬러지로부터한가지이상의금속을회수하는방법 | |
| NO830474L (no) | Fremgangsmaate til nedsettelse av tungmetall-innholdet i raafosfat | |
| CN112771185B (zh) | 对磷石膏中的稀土进行提纯和浓缩的工艺 | |
| US4038071A (en) | Process for the removal of mercury from aqueous solutions | |
| CA1279197C (en) | Cobalt recovery method | |
| US6045763A (en) | Process for working up ammoniacal metal solutions including treating the wash water with an organic extraction solution | |
| KR20200012921A (ko) | 중금속의 분리방법 | |
| US4275038A (en) | Process for treating loaded extractant from purification of phosphoric acid by extraction and recovering nutrients | |
| CZ55690A3 (cs) | Způsob zpracování kyselých roztoků s obsahem železa, zvláště odpadních mořících roztoků | |
| JP2598456B2 (ja) | リン酸塩含有水の処理方法 | |
| JPH07323292A (ja) | ホウ素含有水の処理方法 | |
| JPS5813230B2 (ja) | フツ化物イオン含有水の処理方法 | |
| US4954322A (en) | Process for the recovery of metal values contained in a gangue | |
| JPS62284025A (ja) | 銅電解液からの精製硫酸ニツケル回収方法 | |
| EP0364423B1 (en) | A method for purifying contaminated aqueous solutions |