KR890000355A - 철 이온을 함유하는 황산의 중화 처리방법 - Google Patents
철 이온을 함유하는 황산의 중화 처리방법 Download PDFInfo
- Publication number
- KR890000355A KR890000355A KR1019880008083A KR880008083A KR890000355A KR 890000355 A KR890000355 A KR 890000355A KR 1019880008083 A KR1019880008083 A KR 1019880008083A KR 880008083 A KR880008083 A KR 880008083A KR 890000355 A KR890000355 A KR 890000355A
- Authority
- KR
- South Korea
- Prior art keywords
- sulfuric acid
- organic solvent
- ions
- solution
- compounds
- Prior art date
Links
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims description 38
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 19
- 238000000034 method Methods 0.000 title claims description 16
- 229910052742 iron Inorganic materials 0.000 title claims 7
- 230000003472 neutralizing effect Effects 0.000 title claims 7
- -1 iron ions Chemical class 0.000 title claims 2
- 150000002500 ions Chemical class 0.000 claims description 11
- 239000003960 organic solvent Substances 0.000 claims 11
- 239000000243 solution Substances 0.000 claims 11
- 239000000460 chlorine Substances 0.000 claims 9
- 229910052801 chlorine Inorganic materials 0.000 claims 8
- 150000001875 compounds Chemical class 0.000 claims 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 5
- 238000000605 extraction Methods 0.000 claims 4
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims 4
- 239000007864 aqueous solution Substances 0.000 claims 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 3
- 238000006386 neutralization reaction Methods 0.000 claims 3
- 239000001301 oxygen Substances 0.000 claims 3
- 229910052760 oxygen Inorganic materials 0.000 claims 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims 2
- 239000012535 impurity Substances 0.000 claims 2
- 239000007800 oxidant agent Substances 0.000 claims 2
- 230000001590 oxidative effect Effects 0.000 claims 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims 1
- 150000003973 alkyl amines Chemical class 0.000 claims 1
- 229910001424 calcium ion Inorganic materials 0.000 claims 1
- 238000001704 evaporation Methods 0.000 claims 1
- 229910001425 magnesium ion Inorganic materials 0.000 claims 1
- 229910017604 nitric acid Inorganic materials 0.000 claims 1
- 235000002639 sodium chloride Nutrition 0.000 claims 1
- 239000011780 sodium chloride Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002699 waste material Substances 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
- C02F1/64—Heavy metal compounds of iron or manganese
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0009—Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/90—Separation; Purification
- C01B17/901—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids
- C01B17/903—Recovery from spent acids containing metallic ions, e.g. hydrolysis acids, pickling acids by 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
- C02F1/26—Treatment of water, waste water, or sewage by 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/01—Waste acid containing iron
- Y10S423/02—Sulfuric acid
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/09—Reaction techniques
- Y10S423/14—Ion exchange; chelation or liquid/liquid ion extraction
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Inorganic Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
- Physical Water Treatments (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Catalysts (AREA)
Abstract
내용 없음
Description
제1도는 본 발명의 기본-형 과정을 나타내는 유통도이다.
제5도는 Fe2+이온(K)의 산화과정이 제1도에서 나타낸 기본-형 과정에 삽입된 유통도이다.
제6도는 폐기 황산 용액내의 Fe 이온농도(L)을 조절하는 과정을 나타낸다.
내용 없음
Claims (10)
- 염소를 함유하는 화합물형의 Na이온, K이온, Mg이온, Ca이온 및 NH4이온으로 구성되는 군으로부터 선택된 이온을 주로 Fe이온으로 구성되는 불순물을 함유하는 황산용액에 SO4 2-의 화학 당량에 적어도 상응하는 양으로 첨가하고, 생성 용액을 산소 함유 및/또는 알킬아민으로 구성되는 유기 용매(b)와 접촉시켜 상기 수용액으로부터 클로라이드 착체로 Fe이온을 유기용매로 추출함을 특징으로 하는 황산의 중화 처리방법.
- 제1항에 있어서, 처리된 황산은 주로 Fe이온으로 구성되는 불순물을 함유하는 염산 또는 질산에 황산을 첨가하고 생성 용액을 감압 또는 대기압 하에서 증류 또는 증발하여 HCI 또는 HNO3을 제거하여 수득되는 황산의 중화 처리방법.
- 제1 또는 2항에 있어서, 황산용액에 첨가될 염소를 함유하는 화합물이 암염인 황산의 중화 처리방법.
- 제1 내지 3항중의 어느 하나에 있어서, 함유된 철이온이 Fe2+를 Fe3+로 전기화학적으로 산화시킬 Fe2+상태일때 유기용매로 철이온의 추출전에 처리될 황산 용액에 산화제를 첨가하는 황산의 중화 처리방법.
- 제1 내지 4항중 어느 하나에 있어서, 다른 산소-함유 유기용매(d)를 염화철 착체를 함유하는 유기용매(b)에 새로이 첨가하고, 생성 유기 용액을 물과 접촉시켜 Fe이온 및 Cl이온을 물로 역추출하고, 잔류 유기 용액을 감압 또는 대기압하에서 증류 또는 증발시켜 역추출전에 첨가된 산소-함유 유기용매(d)를 분리하고 유기용매(b)를 재생하는 황산의 중화 처리방법.
- 제1 내지 4항중 어느 하나에 있어서, 감압 또는 대기압하에서 염화철 착체를 함유하는 유기용매를 증발 또는 증류시켜 염산 및 물을 분리 및 회수한 후, 잔류 유기용매를 물과 접촉시켜 Fe이온 및 Cl이온을 물로 역추출하여 염화철을 회수하고 유기용매를 재생하는 황산의 중화 처리방법.
- 제1 내지 6항중의 어느 하나에 있어서, 황산 용액내에 함유된 Fe이온의 양이 Fe이온 및 유리 SO4와 결합된 SO4이온의 합에 대해 0.4 내지 0.66몰비 이하일때, 철 함유 고체 또는 용액을 황산 용에 첨가하는 황산의 중화 처리방법.
- 제4항에 있어서, 황산 용액에 첨가될 산화제는 HNO3인 황산의 중화처리 방법.
- 제8항에 있어서, 유기용매 Fe추출단계의 잔류 용액을 감압하에서 증류 또는 증발시켜 HCl 또는 HNO3를 회수하는 황산의 중화 처리방법.
- 제8항에 있어서, 추출될 염화철 착체 및 HNO3를 Na와 Cl의 화합물, Mg와 Cl의 화합물, K와 Cl의 화합물, NH4와 Cl의 화합물, 및 Fe와 Cl의 화합물로 구성된 군으로부터 선택된 적어도 하나를 함유하는 수용액과 접촉시켜 수용액으로 선택적으로 HNO3를 이송하는 황산의 중화 처리방법.※참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62-160849 | 1987-06-30 | ||
| JP16084987 | 1987-06-30 | ||
| JP22853987 | 1987-09-14 | ||
| JP62-228539 | 1987-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR890000355A true KR890000355A (ko) | 1989-03-14 |
Family
ID=26487210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019880008083A KR890000355A (ko) | 1987-06-30 | 1988-06-30 | 철 이온을 함유하는 황산의 중화 처리방법 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4952378A (ko) |
| EP (1) | EP0301700B1 (ko) |
| JP (1) | JP2702158B2 (ko) |
| KR (1) | KR890000355A (ko) |
| AU (1) | AU606695B2 (ko) |
| BR (1) | BR8803225A (ko) |
| CA (1) | CA1303815C (ko) |
| DE (1) | DE3881599T2 (ko) |
| ES (1) | ES2040857T3 (ko) |
| FI (1) | FI85723C (ko) |
| NO (1) | NO882765L (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11472702B2 (en) | 2016-11-09 | 2022-10-18 | Lg Chem, Ltd. | Method of purifying waste hydrochloric acid |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0298763A3 (en) * | 1987-07-08 | 1990-01-10 | Solex Research Corporation of Japan | Method for recovering titanium |
| US5061460A (en) * | 1988-08-19 | 1991-10-29 | Solex Research Corporation Of Japan | Method for manufacturing titanium oxide |
| JPH0254729A (ja) * | 1988-08-19 | 1990-02-23 | Nishimura Watanabe Chiyuushiyutsu Kenkyusho:Kk | Ｚｎイオンを含有する硫酸の中和方法 |
| JP2968877B2 (ja) * | 1991-11-08 | 1999-11-02 | 日鉄鉱業株式会社 | 金属硫酸塩含有の廃硫酸から硫酸を回収する方法 |
| US20020005210A1 (en) * | 2000-01-05 | 2002-01-17 | Olsen Douglas R. | Regenerating spent pickling liquor |
| EP1522522B2 (de) * | 2003-10-06 | 2012-03-07 | Kerr-McGee Pigments GmbH | Verfahren zur Aufarbeitung eisenbelasteter Gebrauchtschwefelsäure |
| CN102502880B (zh) * | 2011-08-23 | 2016-06-22 | 青岛三友科技有限公司 | 利用酸洗废酸生产铁系净水剂的方法 |
| JP6206518B2 (ja) * | 2016-02-17 | 2017-10-04 | 住友金属鉱山株式会社 | 中和処理方法、ニッケル酸化鉱石の湿式製錬方法 |
| CN112661196A (zh) * | 2020-12-29 | 2021-04-16 | 斯瑞尔环境科技股份有限公司 | 一种三氯化铁的提纯方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4210502A (en) * | 1976-03-09 | 1980-07-01 | Solex Research Corporation Of Japan | Process for recovery of waste H2 SO4 and HCl |
| JPS59162108A (ja) * | 1983-03-03 | 1984-09-13 | Tadao Nagai | 硫酸溶液の浄液法 |
| JPS6050128A (ja) * | 1983-08-25 | 1985-03-19 | Daihachi Kagaku Kogyosho:Kk | 水溶液からの鉄（３）の抽出方法および抽出溶媒からの鉄（３）の逆抽出方法 |
| GB8504819D0 (en) * | 1985-02-25 | 1985-03-27 | Ici Plc | Extraction of metal values |
-
1988
- 1988-06-15 CA CA000569566A patent/CA1303815C/en not_active Expired - Fee Related
- 1988-06-22 DE DE88305745T patent/DE3881599T2/de not_active Expired - Fee Related
- 1988-06-22 ES ES198888305745T patent/ES2040857T3/es not_active Expired - Lifetime
- 1988-06-22 NO NO88882765A patent/NO882765L/no unknown
- 1988-06-22 EP EP88305745A patent/EP0301700B1/en not_active Expired - Lifetime
- 1988-06-23 AU AU18297/88A patent/AU606695B2/en not_active Ceased
- 1988-06-23 JP JP63155929A patent/JP2702158B2/ja not_active Expired - Lifetime
- 1988-06-28 US US07/212,439 patent/US4952378A/en not_active Expired - Fee Related
- 1988-06-29 BR BR8803225A patent/BR8803225A/pt unknown
- 1988-06-29 FI FI883107A patent/FI85723C/fi not_active IP Right Cessation
- 1988-06-30 KR KR1019880008083A patent/KR890000355A/ko not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11472702B2 (en) | 2016-11-09 | 2022-10-18 | Lg Chem, Ltd. | Method of purifying waste hydrochloric acid |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0301700B1 (en) | 1993-06-09 |
| JP2702158B2 (ja) | 1998-01-21 |
| AU606695B2 (en) | 1991-02-14 |
| CA1303815C (en) | 1992-06-23 |
| DE3881599D1 (de) | 1993-07-15 |
| ES2040857T3 (es) | 1993-11-01 |
| US4952378A (en) | 1990-08-28 |
| FI85723B (fi) | 1992-02-14 |
| JPH01157421A (ja) | 1989-06-20 |
| FI883107A (fi) | 1988-12-31 |
| EP0301700A1 (en) | 1989-02-01 |
| FI85723C (fi) | 1992-05-25 |
| FI883107A0 (fi) | 1988-06-29 |
| NO882765D0 (no) | 1988-06-22 |
| BR8803225A (pt) | 1990-02-06 |
| DE3881599T2 (de) | 1994-01-20 |
| AU1829788A (en) | 1989-01-19 |
| NO882765L (no) | 1989-01-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WITN | Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid |