CA1072412A - Extraction et recuperation du chrome - Google Patents

Extraction et recuperation du chrome

Info

Publication number: CA1072412A
Authority: CA; Canada
Prior art keywords: acetate; barium; chromium; acid; barium carbonate
Prior art date: 1976-02-13
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

Application number

CA255,874A

Other languages

English (en)

Inventor

Ross Cunningham

Edward J. Feltz

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

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.)

1976-02-13

Filing date

1976-06-28

Publication date

1980-02-26

1976-02-13 Priority claimed from US05/657,885 external-priority patent/US4054517A/en

1976-06-28 Application filed by Individual filed Critical Individual

1980-02-26 Application granted granted Critical

1980-02-26 Publication of CA1072412A publication Critical patent/CA1072412A/fr

Status Expired legal-status Critical Current

Links

VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 82
238000011084 recovery Methods 0.000 title description 6
AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 claims abstract description 56
238000000034 method Methods 0.000 claims abstract description 56
229910052804 chromium Inorganic materials 0.000 claims abstract description 44
239000011651 chromium Substances 0.000 claims abstract description 44
238000007747 plating Methods 0.000 claims abstract description 31
239000000203 mixture Substances 0.000 claims abstract description 30
KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 claims abstract description 21
AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 claims abstract description 21
239000002351 wastewater Substances 0.000 claims abstract description 21
QFKJCKFAYFUXRQ-UHFFFAOYSA-N barium;hydrate Chemical compound O.[Ba] QFKJCKFAYFUXRQ-UHFFFAOYSA-N 0.000 claims abstract description 20
TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims abstract description 18
QFFVPLLCYGOFPU-UHFFFAOYSA-N barium chromate Chemical compound [Ba+2].[O-][Cr]([O-])(=O)=O QFFVPLLCYGOFPU-UHFFFAOYSA-N 0.000 claims abstract description 17
229940083898 barium chromate Drugs 0.000 claims abstract description 17
239000002253 acid Substances 0.000 claims abstract description 16
238000001914 filtration Methods 0.000 claims abstract description 13
150000001242 acetic acid derivatives Chemical class 0.000 claims abstract description 7
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 16
QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 15
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 15
VSGNNIFQASZAOI-UHFFFAOYSA-L calcium acetate Chemical compound [Ca+2].CC([O-])=O.CC([O-])=O VSGNNIFQASZAOI-UHFFFAOYSA-L 0.000 claims description 9
239000001639 calcium acetate Substances 0.000 claims description 9
229960005147 calcium acetate Drugs 0.000 claims description 9
235000011092 calcium acetate Nutrition 0.000 claims description 9
-1 acetate compound Chemical class 0.000 claims description 8
239000000463 material Substances 0.000 claims description 8
XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
229910052788 barium Inorganic materials 0.000 claims description 5
ITHZDDVSAWDQPZ-UHFFFAOYSA-L barium acetate Chemical compound [Ba+2].CC([O-])=O.CC([O-])=O ITHZDDVSAWDQPZ-UHFFFAOYSA-L 0.000 claims description 5
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 4
UHZZMRAGKVHANO-UHFFFAOYSA-M chlormequat chloride Chemical compound [Cl-].C[N+](C)(C)CCCl UHZZMRAGKVHANO-UHFFFAOYSA-M 0.000 claims description 4
OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 claims description 4
239000000843 powder Substances 0.000 claims description 3
GOKCJCODOLGYQD-UHFFFAOYSA-N 4,6-dichloro-2-imidazol-1-ylpyrimidine Chemical compound ClC1=CC(Cl)=NC(N2C=NC=C2)=N1 GOKCJCODOLGYQD-UHFFFAOYSA-N 0.000 claims description 2
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
229910052684 Cerium Inorganic materials 0.000 claims description 2
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims description 2
ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
229910052770 Uranium Inorganic materials 0.000 claims description 2
COQLPRJCUIATTQ-UHFFFAOYSA-N Uranyl acetate Chemical compound O.O.O=[U]=O.CC(O)=O.CC(O)=O COQLPRJCUIATTQ-UHFFFAOYSA-N 0.000 claims description 2
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 2
KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 claims description 2
MQRWBMAEBQOWAF-UHFFFAOYSA-N acetic acid;nickel Chemical compound [Ni].CC(O)=O.CC(O)=O MQRWBMAEBQOWAF-UHFFFAOYSA-N 0.000 claims description 2
ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 2
HDYRYUINDGQKMC-UHFFFAOYSA-M acetyloxyaluminum;dihydrate Chemical compound O.O.CC(=O)O[Al] HDYRYUINDGQKMC-UHFFFAOYSA-M 0.000 claims description 2
229910052782 aluminium Inorganic materials 0.000 claims description 2
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
229940009827 aluminum acetate Drugs 0.000 claims description 2
229910052791 calcium Inorganic materials 0.000 claims description 2
239000011575 calcium Substances 0.000 claims description 2
VGBWDOLBWVJTRZ-UHFFFAOYSA-K cerium(3+);triacetate Chemical compound [Ce+3].CC([O-])=O.CC([O-])=O.CC([O-])=O VGBWDOLBWVJTRZ-UHFFFAOYSA-K 0.000 claims description 2
229910017052 cobalt Inorganic materials 0.000 claims description 2
239000010941 cobalt Substances 0.000 claims description 2
229940011182 cobalt acetate Drugs 0.000 claims description 2
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 claims description 2
229910052802 copper Inorganic materials 0.000 claims description 2
239000010949 copper Substances 0.000 claims description 2
229940076286 cupric acetate Drugs 0.000 claims description 2
PNOXNTGLSKTMQO-UHFFFAOYSA-L diacetyloxytin Chemical compound CC(=O)O[Sn]OC(C)=O PNOXNTGLSKTMQO-UHFFFAOYSA-L 0.000 claims description 2
OPGYRRGJRBEUFK-UHFFFAOYSA-L disodium;diacetate Chemical compound [Na+].[Na+].CC([O-])=O.CC([O-])=O OPGYRRGJRBEUFK-UHFFFAOYSA-L 0.000 claims description 2
229910052742 iron Inorganic materials 0.000 claims description 2
PVFSDGKDKFSOTB-UHFFFAOYSA-K iron(3+);triacetate Chemical compound [Fe+3].CC([O-])=O.CC([O-])=O.CC([O-])=O PVFSDGKDKFSOTB-UHFFFAOYSA-K 0.000 claims description 2
GJRQTCIYDGXPES-UHFFFAOYSA-N iso-butyl acetate Natural products CC(C)COC(C)=O GJRQTCIYDGXPES-UHFFFAOYSA-N 0.000 claims description 2
FGKJLKRYENPLQH-UHFFFAOYSA-M isocaproate Chemical compound CC(C)CCC([O-])=O FGKJLKRYENPLQH-UHFFFAOYSA-M 0.000 claims description 2
JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 claims description 2
229940011051 isopropyl acetate Drugs 0.000 claims description 2
GWYFCOCPABKNJV-UHFFFAOYSA-N isovaleric acid Chemical compound CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 claims description 2
OQAGVSWESNCJJT-UHFFFAOYSA-N isovaleric acid methyl ester Natural products COC(=O)CC(C)C OQAGVSWESNCJJT-UHFFFAOYSA-N 0.000 claims description 2
229910052749 magnesium Inorganic materials 0.000 claims description 2
239000011777 magnesium Substances 0.000 claims description 2
UEGPKNKPLBYCNK-UHFFFAOYSA-L magnesium acetate Chemical compound [Mg+2].CC([O-])=O.CC([O-])=O UEGPKNKPLBYCNK-UHFFFAOYSA-L 0.000 claims description 2
239000011654 magnesium acetate Substances 0.000 claims description 2
229940069446 magnesium acetate Drugs 0.000 claims description 2
235000011285 magnesium acetate Nutrition 0.000 claims description 2
229940071125 manganese acetate Drugs 0.000 claims description 2
UOGMEBQRZBEZQT-UHFFFAOYSA-L manganese(2+);diacetate Chemical compound [Mn+2].CC([O-])=O.CC([O-])=O UOGMEBQRZBEZQT-UHFFFAOYSA-L 0.000 claims description 2
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 claims description 2
229910052759 nickel Inorganic materials 0.000 claims description 2
229940078494 nickel acetate Drugs 0.000 claims description 2
239000011734 sodium Substances 0.000 claims description 2
229910052708 sodium Inorganic materials 0.000 claims description 2
239000001632 sodium acetate Substances 0.000 claims description 2
235000017454 sodium diacetate Nutrition 0.000 claims description 2
229910052712 strontium Inorganic materials 0.000 claims description 2
CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 2
RXSHXLOMRZJCLB-UHFFFAOYSA-L strontium;diacetate Chemical compound [Sr+2].CC([O-])=O.CC([O-])=O RXSHXLOMRZJCLB-UHFFFAOYSA-L 0.000 claims description 2
229910052718 tin Inorganic materials 0.000 claims description 2
239000011701 zinc Substances 0.000 claims description 2
229910052725 zinc Inorganic materials 0.000 claims description 2
239000004246 zinc acetate Substances 0.000 claims description 2
159000000021 acetate salts Chemical class 0.000 claims 2
238000010306 acid treatment Methods 0.000 claims 1
ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 claims 1
239000000706 filtrate Substances 0.000 claims 1
DNYWZCXLKNTFFI-UHFFFAOYSA-N uranium Chemical compound [U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U] DNYWZCXLKNTFFI-UHFFFAOYSA-N 0.000 claims 1
238000011001 backwashing Methods 0.000 abstract description 6
JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 abstract description 4
239000000243 solution Substances 0.000 description 19
229940022663 acetate Drugs 0.000 description 18
229940051236 barium carbonate Drugs 0.000 description 18
238000013019 agitation Methods 0.000 description 6
238000012360 testing method Methods 0.000 description 6
238000001556 precipitation Methods 0.000 description 5
239000010802 sludge Substances 0.000 description 5
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 4
229940112016 barium acetate Drugs 0.000 description 4
229940032330 sulfuric acid Drugs 0.000 description 4
239000002699 waste material Substances 0.000 description 4
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 3
230000007613 environmental effect Effects 0.000 description 3
150000002500 ions Chemical class 0.000 description 3
229910052751 metal Inorganic materials 0.000 description 3
239000002184 metal Substances 0.000 description 3
239000002244 precipitate Substances 0.000 description 3
229920004934 Dacron® Polymers 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
239000012736 aqueous medium Substances 0.000 description 2
239000002657 fibrous material Substances 0.000 description 2
239000012535 impurity Substances 0.000 description 2
239000002440 industrial waste Substances 0.000 description 2
150000002739 metals Chemical class 0.000 description 2
230000007935 neutral effect Effects 0.000 description 2
238000006386 neutralization reaction Methods 0.000 description 2
239000004033 plastic Substances 0.000 description 2
229920003023 plastic Polymers 0.000 description 2
229920000728 polyester Polymers 0.000 description 2
239000005020 polyethylene terephthalate Substances 0.000 description 2
230000008929 regeneration Effects 0.000 description 2
238000011069 regeneration method Methods 0.000 description 2
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
235000008733 Citrus aurantifolia Nutrition 0.000 description 1
GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
239000004952 Polyamide Substances 0.000 description 1
239000004698 Polyethylene Substances 0.000 description 1
CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
235000011941 Tilia x europaea Nutrition 0.000 description 1
LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 description 1
TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 description 1
230000002378 acidificating effect Effects 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
239000000654 additive Substances 0.000 description 1
239000000908 ammonium hydroxide Substances 0.000 description 1
239000007864 aqueous solution Substances 0.000 description 1
MVYYDFCVPLFOKV-UHFFFAOYSA-M barium monohydroxide Chemical compound [Ba]O MVYYDFCVPLFOKV-UHFFFAOYSA-M 0.000 description 1
JYYOBHFYCIDXHH-UHFFFAOYSA-N carbonic acid;hydrate Chemical compound O.OC(O)=O JYYOBHFYCIDXHH-UHFFFAOYSA-N 0.000 description 1
239000003518 caustics Substances 0.000 description 1
GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical class [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
238000011109 contamination Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
230000002708 enhancing effect Effects 0.000 description 1
239000000835 fiber Substances 0.000 description 1
238000013100 final test Methods 0.000 description 1
239000010842 industrial wastewater Substances 0.000 description 1
238000005342 ion exchange Methods 0.000 description 1
239000004571 lime Substances 0.000 description 1
239000007788 liquid Substances 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
238000002156 mixing Methods 0.000 description 1
231100000252 nontoxic Toxicity 0.000 description 1
230000003000 nontoxic effect Effects 0.000 description 1
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 1
229920002647 polyamide Polymers 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
230000001376 precipitating effect Effects 0.000 description 1
239000000376 reactant Substances 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
238000000926 separation method Methods 0.000 description 1
235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
229910052938 sodium sulfate Inorganic materials 0.000 description 1
235000011152 sodium sulphate Nutrition 0.000 description 1
239000002689 soil Substances 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
239000011593 sulfur Substances 0.000 description 1
229910052717 sulfur Inorganic materials 0.000 description 1
JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
125000005289 uranyl group Chemical group 0.000 description 1
229940116269 uric acid Drugs 0.000 description 1
238000005406 washing Methods 0.000 description 1
238000003911 water pollution 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- 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
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates

Landscapes

Chemical & Material Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Hydrology & Water Resources (AREA)
Engineering & Computer Science (AREA)
Environmental & Geological Engineering (AREA)
Water Supply & Treatment (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Removal Of Specific Substances (AREA)
Chemical Treatment Of Metals (AREA)

CA255,874A 1976-02-13 1976-06-28 Extraction et recuperation du chrome Expired CA1072412A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/657,885 US4054517A (en)	1974-08-06	1976-02-13	Chrome removal and recovery

Publications (1)

Publication Number	Publication Date
CA1072412A true CA1072412A (fr)	1980-02-26

Family

ID=24639057

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA255,874A Expired CA1072412A (fr)	1976-02-13	1976-06-28	Extraction et recuperation du chrome

Country Status (5)

Country	Link
JP (1)	JPS5298630A (fr)
AU (1)	AU498353B2 (fr)
CA (1)	CA1072412A (fr)
DE (1)	DE2630544A1 (fr)
GB (1)	GB1537914A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1130595B (it) *	1980-05-12	1986-06-18	Stoppani Luigi Spa	Procedimento continuo per l'eleminazione di cromo da acque di rifiuto e la valrizzazione del cromo ricuperato
JPS57186008U (fr) *	1981-05-21	1982-11-26
CN114016119B (zh) *	2021-12-02	2023-04-04	徐州徐工液压件有限公司	一种电镀槽液综合管理装置
CN120004316B (zh) *	2025-02-18	2026-04-10	海南利星新材料科技有限公司	一种含铬混盐的提纯方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5027313B2 (fr) *	1971-11-15	1975-09-06

1976
- 1976-06-28 CA CA255,874A patent/CA1072412A/fr not_active Expired
- 1976-07-07 DE DE19762630544 patent/DE2630544A1/de not_active Ceased
- 1976-07-12 GB GB2897176A patent/GB1537914A/en not_active Expired
- 1976-07-12 JP JP8282876A patent/JPS5298630A/ja active Granted
- 1976-07-13 AU AU15827/76A patent/AU498353B2/en not_active Expired

Also Published As

Publication number	Publication date
JPS5298630A (en)	1977-08-18
DE2630544A1 (de)	1977-08-18
AU1582776A (en)	1978-01-19
AU498353B2 (en)	1979-03-08
JPS5643120B2 (fr)	1981-10-09
GB1537914A (en)	1979-01-10

Legal Events

Date	Code	Title	Description
1997-02-26	MKEX	Expiry

Publication	Publication Date	Title
US4332687A (en)	1982-06-01	Removal of complexed heavy metals from waste effluents
US5346627A (en)	1994-09-13	Method for removing metals from a fluid stream
US3575854A (en)	1971-04-20	Rapid setiling of gelatinous precipitates
USRE36915E (en)	2000-10-17	Process for sodium sulfide/ferrous sulfate treatment of hexavalent chromium and other heavy metals
US4014787A (en)	1977-03-29	Wastewater treatment
US4943377A (en)	1990-07-24	Method for removing dissolved heavy metals from waste oils, industrial wastewaters, or any polar solvent
EP0168752A2 (fr)	1986-01-22	Procédé pour le traitement de déchets liquides contenant des chélates de métaux lourds
JPS62253738A (ja)	1987-11-05	危険な金属廃スラツジの除去方法
Christensen et al.	1982	Removal of heavy metals from electroplating rinsewaters by precipitation, flocculation and ultrafiltration
US3869386A (en)	1975-03-04	Removal of heavy metal ions from plating wastes
US4157942A (en)	1979-06-12	Method for recovery of metals from metal plating baths and neutralizing toxic effluents therefrom
US4629570A (en)	1986-12-16	Removal of iron from chelant solutions
CA1187216A (fr)	1985-05-14	Reduction de la teneur en metal des effluents traites
DE69416645T2 (de)	1999-06-17	Verfahren zur Behandlung von photographischem Abwasser
CN208362040U (zh)	2019-01-11	一种含铬废水处理系统
US4171255A (en)	1979-10-16	Apparatus for recovery of metals from metal plating baths and neutralizing toxic effluents therefrom
US4054517A (en)	1977-10-18	Chrome removal and recovery
Broom et al.	1994	The treatment of heavy metal effluents by crossflow microfiltration
CA1072412A (fr)	1980-02-26	Extraction et recuperation du chrome
US3969246A (en)	1976-07-13	Chromium removal and recovery process
Lochyński et al.	2021	Research on neutralization of wastewater from pickling and electropolishing processes
US5273661A (en)	1993-12-28	Method for processing aqueous wastes
DE2319244B2 (de)	1979-05-31	Verfahren zur Wiedergewinnung von Chrom(Vl) in Form einer konzentrierten Natriumbichromatlosung
JPH0714512B2 (ja)	1995-02-22	重金属含有廃水の処理方法
US4204973A (en)	1980-05-27	Treatment composition for use in chrome removal and recovery