IN2012DN05159A - - Google Patents
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- Publication number
- IN2012DN05159A IN2012DN05159A IN5159DEN2012A IN2012DN05159A IN 2012DN05159 A IN2012DN05159 A IN 2012DN05159A IN 5159DEN2012 A IN5159DEN2012 A IN 5159DEN2012A IN 2012DN05159 A IN2012DN05159 A IN 2012DN05159A
- Authority
- IN
- India
- Prior art keywords
- membranes
- caprolactam
- membrane
- permeate
- retentate
- Prior art date
Links
- 239000012528 membrane Substances 0.000 abstract 14
- JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 abstract 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 3
- 239000012535 impurity Substances 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 3
- 239000012466 permeate Substances 0.000 abstract 3
- 239000004721 Polyphenylene oxide Substances 0.000 abstract 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 abstract 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 abstract 2
- 235000011130 ammonium sulphate Nutrition 0.000 abstract 2
- 239000001166 ammonium sulphate Substances 0.000 abstract 2
- 239000007864 aqueous solution Substances 0.000 abstract 2
- 229920000570 polyether Polymers 0.000 abstract 2
- 239000012465 retentate Substances 0.000 abstract 2
- 125000001174 sulfone group Chemical group 0.000 abstract 2
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000004760 aramid Substances 0.000 abstract 1
- 229920003235 aromatic polyamide Polymers 0.000 abstract 1
- 229920002301 cellulose acetate Polymers 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 abstract 1
- 229920002492 poly(sulfone) Polymers 0.000 abstract 1
- 229920000728 polyester Polymers 0.000 abstract 1
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract 1
- 230000000717 retained effect Effects 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 abstract 1
- 229910001928 zirconium oxide Inorganic materials 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D223/00—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom
- C07D223/02—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings
- C07D223/06—Heterocyclic compounds containing seven-membered rings having one nitrogen atom as the only ring hetero atom not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D223/08—Oxygen atoms
- C07D223/10—Oxygen atoms attached in position 2
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/16—Separation or purification
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
- C07D201/14—Preparation of salts or adducts of lactams
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Other In-Based Heterocyclic Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP09179903 | 2009-12-18 | ||
| PCT/EP2010/070097 WO2011073400A2 (en) | 2009-12-18 | 2010-12-17 | Caprolactam recovery with membrane treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN2012DN05159A true IN2012DN05159A (enrdf_load_stackoverflow) | 2015-10-23 |
Family
ID=42174487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN5159DEN2012 IN2012DN05159A (enrdf_load_stackoverflow) | 2009-12-18 | 2010-12-17 |
Country Status (9)
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104071948B (zh) * | 2014-06-25 | 2016-04-27 | 江苏久吾高科技股份有限公司 | 一种利用膜技术处理己内酰胺废水的方法及装置 |
| CN108341763B (zh) * | 2018-04-24 | 2020-12-01 | 河北美邦工程科技股份有限公司 | 一种己内酰胺结晶纯化方法 |
| CN110964492B (zh) * | 2018-09-29 | 2022-04-12 | 中国石油化工股份有限公司 | 一种溶硫剂及其制备方法和应用 |
| CN114805207A (zh) * | 2022-04-14 | 2022-07-29 | 山东华鲁恒升化工股份有限公司 | 一种利用膜分离技术除去重排液中硫酸的方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS523261A (en) | 1975-06-24 | 1977-01-11 | Sumitomo Chem Co Ltd | Purification method for polluted water |
| JPS59115704A (ja) | 1982-12-24 | 1984-07-04 | Toray Ind Inc | 半透膜の処理法 |
| NL1005927C2 (nl) | 1997-04-29 | 1998-11-02 | Dsm Nv | Werkwijze voor het winnen van caprolactam uit een geneutraliseerd omlegmengsel. |
| NL1011936C2 (nl) * | 1999-04-29 | 2000-10-31 | Dsm Nv | Werkwijze voor het bereiden van caprolactam. |
| EA006504B1 (ru) | 2001-03-01 | 2005-12-29 | ДСМ Ай Пи ЭССЕТС Б. В. | Способ выделения капролактама из раствора в органическом растворителе и его очистки от органического растворителя |
| CN101570503B (zh) * | 2008-11-11 | 2011-04-27 | 广东新会美达锦纶股份有限公司 | 一种低浓度己内酰胺水溶液的浓缩方法 |
-
2010
- 2010-12-17 IN IN5159DEN2012 patent/IN2012DN05159A/en unknown
- 2010-12-17 WO PCT/EP2010/070097 patent/WO2011073400A2/en active Application Filing
- 2010-12-17 JP JP2012543794A patent/JP2013514335A/ja not_active Withdrawn
- 2010-12-17 CN CN2010800579438A patent/CN102666483A/zh active Pending
- 2010-12-17 TW TW099144493A patent/TWI565516B/zh active
- 2010-12-17 US US13/516,296 patent/US20130211072A1/en not_active Abandoned
- 2010-12-17 EP EP10795353A patent/EP2513050A2/en not_active Withdrawn
- 2010-12-17 KR KR1020127018141A patent/KR101810704B1/ko active Active
- 2010-12-17 EA EA201200915A patent/EA201200915A1/ru unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011073400A2 (en) | 2011-06-23 |
| TW201129418A (en) | 2011-09-01 |
| EA201200915A1 (ru) | 2012-12-28 |
| TWI565516B (zh) | 2017-01-11 |
| WO2011073400A3 (en) | 2011-09-09 |
| EP2513050A2 (en) | 2012-10-24 |
| CN102666483A (zh) | 2012-09-12 |
| JP2013514335A (ja) | 2013-04-25 |
| KR20120112544A (ko) | 2012-10-11 |
| US20130211072A1 (en) | 2013-08-15 |
| KR101810704B1 (ko) | 2017-12-19 |
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