JP5563093B2 - 硫酸亜鉛溶液からの塩化物除去方法 - Google Patents
硫酸亜鉛溶液からの塩化物除去方法 Download PDFInfo
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- JP5563093B2 JP5563093B2 JP2012539376A JP2012539376A JP5563093B2 JP 5563093 B2 JP5563093 B2 JP 5563093B2 JP 2012539376 A JP2012539376 A JP 2012539376A JP 2012539376 A JP2012539376 A JP 2012539376A JP 5563093 B2 JP5563093 B2 JP 5563093B2
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- copper
- oxide
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- chloride
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- 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
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/20—Obtaining zinc otherwise than by distilling
- C22B19/22—Obtaining zinc otherwise than by distilling with leaching with acids
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G9/00—Compounds of zinc
- C01G9/06—Sulfates
-
- 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
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/20—Obtaining zinc otherwise than by distilling
-
- 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
- C22B19/00—Obtaining zinc or zinc oxide
- C22B19/20—Obtaining zinc otherwise than by distilling
- C22B19/26—Refining solutions containing zinc values, e.g. obtained by leaching zinc ores
-
- 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
- C22B3/44—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes
- C22B3/46—Treatment or purification of solutions, e.g. obtained by leaching by chemical processes by substitution, e.g. by cementation
-
- 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
Description
CuSO4 + Zn0 → ZnSO4 + Cu0 (1)
CuSO4 + Cu0 + H2O → Cu2O + H2SO4 (2)
2CuSO4 + Zn0 + H2O → Cu2O + ZnSO4 + H2SO4 (3)
亜鉛電解採取における塩化物濃度を全体的に最大250 mg/lであるとする。滲出工程を出た硫酸亜鉛溶液が十分な銅を溶解硫酸銅の形で含有していなければ、これを追加する必要がある。次に、塩化物除去段階を記述する残量計算を行う。
ZnSO4溶液中の塩化物除去段階へはいる塩化物(11) 72.2 kg/h Cl-
次の精製段階へはいる量(12) 42.2 kg/h Cl-
(198 m 3 /h、指定塩化物濃度 213 mg Cl-/l)
除去する量(13) 30.0kg/h Cl-
沈殿に必要な量(kg/h)=
30・143.08 kg/kmol (Cu2O)/2・35.45 kg/kmol (Cl) = 60.54 kg/h Cu2O
(Cu 53.78 kg/h相当量)(14)
塩化物沈殿系の内部合計銅残量が全時間同じ水準に留まるようにするためには、硫酸銅CuSO4 (100%)を次の計算に従って工程へ追加する必要がある。
工程から塩化銅として除去されるCuの量(15) 25.2 kg/h
金属銅として除去されるCuの量(15) 9.9 kg/h
硫酸亜鉛溶液にはいるCuの量(11) 4.3 kg/h
塩化物除去工程へ加えられるCuの量(16) 30.8 kg/h
(CuSO4(100%) 77.4 kg/h相当量)。追加された銅のうち31.2 kg/hはCu2Oの形で、また3.1 kg/hは金属の形で、亜鉛粉末の添加によりそれぞれ沈殿する。
Claims (7)
- 濃縮硫酸亜鉛溶液から副流を取り、該副流を冷却して塩化物除去段階へ回し、前記濃縮硫酸亜鉛溶液から酸化銅によって塩化物を除去する方法において、
塩化物除去を酸化銅(I)Cu2Oにより行い、
該酸化銅(I)Cu2Oは、別の酸化銅(I)生成段階において、前記塩化物除去段階を出た前記硫酸亜鉛溶液を固液分離して分けられた溶液および亜鉛粉末を前記別の酸化銅(I)生成段階に投入し、該段階に投入された前記硫酸亜鉛溶液に含有される硫酸銅を前記亜鉛粉末によってpH4.4〜5.2の範囲で還元して酸化銅(I)にし、該酸化銅(I)を還元後の溶液から抽出することによって生成されたものであることを特徴とする塩化物除去方法。 - 請求項1に記載の方法において、追加の硫酸銅を前記別の酸化銅(I)生成段階に投入することを特徴とする方法。
- 請求項1または2に記載の方法において、該方法は、前記塩化物除去段階を出た前記溶液を固液分離し、生成された塩化銅残滓を水酸化物精製へ回して、塩化ナトリウム溶液と酸化銅(I)および金属銅を含有する沈殿物とを生成することを特徴とする方法。
- 請求項3に記載の方法において、前記水酸化物精製を出た沈殿物は銅滲出段階において硫酸と酸素含有ガスとによって滲出させ、生成される酸性硫酸銅溶液は、全部もしくは一部を前記塩化物除去段階へ回すことを特徴とする方法。
- 請求項4に記載の方法において、前記銅滲出段階において生成された硫酸銅溶液は、一部を前記酸化銅(I)生成段階へ回すことを特徴とする方法。
- 請求項3に記載の方法において、水酸化物精製を出た沈殿物は、一部を前記酸化銅(I)生成段階へ回すことを特徴とする方法。
- 請求項1または2に記載の方法において、該方法は、前記酸化銅(I)生成段階のpHを水酸化ナトリウムによって調整することを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20090441 | 2009-11-23 | ||
FI20090441A FI122355B (fi) | 2009-11-23 | 2009-11-23 | Menetelmä kloridin poistamiseksi sinkkisulfaattiliuoksesta |
PCT/FI2010/050946 WO2011061408A1 (en) | 2009-11-23 | 2010-11-22 | Method for the removal of chloride from zinc sulphate solution |
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JP2013511620A JP2013511620A (ja) | 2013-04-04 |
JP5563093B2 true JP5563093B2 (ja) | 2014-07-30 |
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JP2012539376A Active JP5563093B2 (ja) | 2009-11-23 | 2010-11-22 | 硫酸亜鉛溶液からの塩化物除去方法 |
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US (1) | US8540950B2 (ja) |
EP (1) | EP2504459B1 (ja) |
JP (1) | JP5563093B2 (ja) |
KR (1) | KR101463320B1 (ja) |
CN (1) | CN102648298B (ja) |
AU (1) | AU2010320809B9 (ja) |
BR (1) | BR112012012346B1 (ja) |
CA (1) | CA2780322C (ja) |
EA (1) | EA019732B1 (ja) |
ES (1) | ES2663569T3 (ja) |
FI (1) | FI122355B (ja) |
MX (1) | MX346108B (ja) |
PE (1) | PE20130035A1 (ja) |
PL (1) | PL2504459T3 (ja) |
WO (1) | WO2011061408A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102586621B (zh) * | 2012-01-11 | 2013-06-26 | 株洲圣达资源循环科技有限公司 | 一种氧化锌浆液脱硫脱氟氯的方法和设备 |
CN102732725B (zh) * | 2012-07-05 | 2013-06-19 | 红河锌联科技发展有限公司 | 一种亚铜盐循环脱除硫酸锌液杂质氯的方法 |
CN102851494A (zh) * | 2012-08-29 | 2013-01-02 | 江西自立资源再生有限公司 | 一种能循环再生利用的除氯的方法 |
CN103993173B (zh) * | 2014-05-23 | 2017-11-17 | 中国恩菲工程技术有限公司 | 用于氢氧化镍钴除氯的方法 |
CN107663638A (zh) * | 2016-07-30 | 2018-02-06 | 湖北永绍科技股份有限公司 | 一种降低硫酸盐镀铜液中氯离子浓度的方法 |
CN107354484A (zh) * | 2017-05-23 | 2017-11-17 | 西北矿冶研究院 | 一种脱除锌电解废液中氯的方法 |
CN109680142A (zh) * | 2019-02-21 | 2019-04-26 | 张伟晓 | 从焙烧法黄金湿法冶炼酸性废水中除氯的方法 |
CN112320837A (zh) * | 2020-10-26 | 2021-02-05 | 衡阳市大宇锌业有限公司 | 一种用于硫酸锌溶液去除氯的硫酸锌溶液pH调整装置 |
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GB1484819A (en) * | 1974-06-17 | 1977-09-08 | Mines Fonderies De Zinc Vieill | Process for removing chloride ions from an aqueous solution of zinc sulphate |
JP3762047B2 (ja) * | 1997-06-26 | 2006-03-29 | 日鉱金属株式会社 | カドミウム、亜鉛を含む液の処理方法及び回収方法 |
FI117246B (fi) | 2003-11-07 | 2006-08-15 | Outokumpu Oy | Menetelmä kuparin poistamiseksi sinkkisulfaattiliuoksesta |
JP4321231B2 (ja) * | 2003-11-18 | 2009-08-26 | 住友金属鉱山株式会社 | 非鉄金属硫酸塩溶液中の塩素イオン除去方法 |
JP4765062B2 (ja) * | 2005-03-23 | 2011-09-07 | Dowaメタルマイン株式会社 | 亜鉛浸出残渣の湿式処理方法 |
JP2009179841A (ja) * | 2008-01-30 | 2009-08-13 | Mitsubishi Materials Corp | 溶融飛灰等の処理方法 |
CN100572570C (zh) * | 2008-05-23 | 2009-12-23 | 祥云县飞龙实业有限责任公司 | 一种锌电解溶液中除氯的方法 |
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Publication number | Publication date |
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CN102648298B (zh) | 2013-10-30 |
JP2013511620A (ja) | 2013-04-04 |
EA201290371A1 (ru) | 2013-01-30 |
EP2504459A4 (en) | 2016-09-07 |
CA2780322C (en) | 2015-10-13 |
CN102648298A (zh) | 2012-08-22 |
WO2011061408A1 (en) | 2011-05-26 |
BR112012012346B1 (pt) | 2018-06-12 |
FI122355B (fi) | 2011-12-15 |
KR101463320B1 (ko) | 2014-11-18 |
EA019732B1 (ru) | 2014-05-30 |
PE20130035A1 (es) | 2013-02-07 |
US8540950B2 (en) | 2013-09-24 |
AU2010320809B2 (en) | 2013-10-17 |
CA2780322A1 (en) | 2011-05-26 |
MX346108B (es) | 2017-03-07 |
BR112012012346A2 (pt) | 2016-04-26 |
MX2012005760A (es) | 2012-08-23 |
EP2504459A1 (en) | 2012-10-03 |
PL2504459T3 (pl) | 2018-06-29 |
US20120288424A1 (en) | 2012-11-15 |
AU2010320809A1 (en) | 2012-07-19 |
AU2010320809B9 (en) | 2014-06-05 |
FI20090441A (fi) | 2011-05-25 |
EP2504459B1 (en) | 2018-01-03 |
KR20120083529A (ko) | 2012-07-25 |
FI20090441A0 (sv) | 2009-11-23 |
ES2663569T3 (es) | 2018-04-13 |
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