KR20090040600A - 텅스토인산의 제조 방법 - Google Patents
텅스토인산의 제조 방법 Download PDFInfo
- Publication number
- KR20090040600A KR20090040600A KR1020070106035A KR20070106035A KR20090040600A KR 20090040600 A KR20090040600 A KR 20090040600A KR 1020070106035 A KR1020070106035 A KR 1020070106035A KR 20070106035 A KR20070106035 A KR 20070106035A KR 20090040600 A KR20090040600 A KR 20090040600A
- Authority
- KR
- South Korea
- Prior art keywords
- solution
- exchange resin
- ion exchange
- tungstophosphoric acid
- acid
- Prior art date
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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
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/37—Phosphates of heavy metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
- B01D15/08—Selective adsorption, e.g. chromatography
- B01D15/26—Selective adsorption, e.g. chromatography characterised by the separation mechanism
- B01D15/36—Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction
- B01D15/361—Ion-exchange
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Catalysts (AREA)
Abstract
Description
pH | Na 함량 (ppm) | XRD 구조 분석 | 비고 |
0.5 | 25 | 텅스토인산 | Keggin |
0.9 | 34 | 텅스토인산 | Keggin |
1.2 | 325 | 텅스토인산 나트륨, 텅스텐산 나트륨 | 표준시료 기준 함량 |
3.0 | 920 | 텅스텐산 나트륨 | 표준시료 기준 함량 |
구분 | 합성 수율 | 나트륨 함량 | XRD 구조분석 |
실시예 1 | 95% | 15 ppm | 텅스토인산 |
비교예 1 | 76% | 129 ppm | 텅스토인산 |
Claims (4)
- 이온교환수지를 이용하여 텅스토인산을 제조하는 방법에 있어서,원료 용액을 제1이온교환수지에 통액시켜 나오는 용액의 pH를 측정하여 pH 값이 일정 값 미만인 경우 제1텅스토인산 용액으로 그리고 일정 값 이상으로 되는 경우 제2텅스토인산 용액으로 분류하는 것을 특징으로 하는 텅스토인산의 제조방법.
- 제1항에 있어서, 상기 일정 값은 1인 것을 특징으로 하는 텅스토인산의 제조방법.
- 제1항에 있어서, 제2텅스토인산용액으로 분류된 용액은 제1이온교환수지 내에서 원료 용액 대신 공급되는 순수에 의하여 세척된 후 제2이온교환수지에 통액시켜 희석된 텅스토인산 용액으로 분류되는 것을 특징으로 하는 텅스토인산의 제조방법.
- 제3항에 있어서, 제2이온교환수지에 통액시켜 나오는 용액의 pH를 측정하여 pH 값이 5 이상으로 되면 제1이온교환수지에 다시 순수 대신 원료 용액을 통액시키는 것을 특징으로 하는 텅스토인산의 제조 방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070106035A KR100918990B1 (ko) | 2007-10-22 | 2007-10-22 | 텅스토인산의 제조 방법 |
CN2008100901958A CN101417793B (zh) | 2007-10-22 | 2008-04-14 | 磷钨酸的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070106035A KR100918990B1 (ko) | 2007-10-22 | 2007-10-22 | 텅스토인산의 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090040600A true KR20090040600A (ko) | 2009-04-27 |
KR100918990B1 KR100918990B1 (ko) | 2009-09-25 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020070106035A KR100918990B1 (ko) | 2007-10-22 | 2007-10-22 | 텅스토인산의 제조 방법 |
Country Status (2)
Country | Link |
---|---|
KR (1) | KR100918990B1 (ko) |
CN (1) | CN101417793B (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104140125A (zh) * | 2013-05-06 | 2014-11-12 | 李宝利 | 一种磷钨酸副盐分解助剂及制备方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106082343B (zh) * | 2016-08-26 | 2017-07-14 | 中南大学 | 一种磷钨酸晶体的纯化方法 |
CN106277060B (zh) * | 2016-08-26 | 2017-11-21 | 中南大学 | 一种磷钨酸的制备方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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DE19502453C1 (de) * | 1995-01-27 | 1996-09-05 | Hoechst Ag | Verfahren zur Herstellung von modifizierten Si0¶2¶- Aerogelen und deren Verwendung |
KR20020039413A (ko) * | 2000-11-21 | 2002-05-27 | 윤종용 | 수질 감시부를 갖는 초순수 생산 장치 |
KR100477894B1 (ko) * | 2002-06-04 | 2005-03-18 | 한국과학기술연구원 | 헤테로폴리산 촉매의 제조방법과 이를 이용하는 메타크릴산의 제조방법 |
CN1978327B (zh) * | 2005-11-30 | 2010-08-25 | 中国石油化工股份有限公司 | 一种制备高纯度磷钨酸的方法 |
CN100460318C (zh) * | 2005-12-29 | 2009-02-11 | 中国石油化工股份有限公司 | 一种以仲钨酸铵为原料制备磷钨酸的方法 |
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2007
- 2007-10-22 KR KR1020070106035A patent/KR100918990B1/ko active IP Right Grant
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- 2008-04-14 CN CN2008100901958A patent/CN101417793B/zh active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104140125A (zh) * | 2013-05-06 | 2014-11-12 | 李宝利 | 一种磷钨酸副盐分解助剂及制备方法 |
CN104140125B (zh) * | 2013-05-06 | 2016-02-03 | 李宝利 | 一种磷钨酸副盐分解助剂及制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN101417793B (zh) | 2011-12-28 |
CN101417793A (zh) | 2009-04-29 |
KR100918990B1 (ko) | 2009-09-25 |
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