CN104341328B - A kind of method utilizing crude carbinol distillation residual liquid production sulfur alcohol in vat powder production process - Google Patents
A kind of method utilizing crude carbinol distillation residual liquid production sulfur alcohol in vat powder production process Download PDFInfo
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- CN104341328B CN104341328B CN201410548871.7A CN201410548871A CN104341328B CN 104341328 B CN104341328 B CN 104341328B CN 201410548871 A CN201410548871 A CN 201410548871A CN 104341328 B CN104341328 B CN 104341328B
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- sulfur alcohol
- vat powder
- residual liquid
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- distillation residual
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CN201410548871.7A CN104341328B (en) | 2014-10-16 | 2014-10-16 | A kind of method utilizing crude carbinol distillation residual liquid production sulfur alcohol in vat powder production process |
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CN201410548871.7A CN104341328B (en) | 2014-10-16 | 2014-10-16 | A kind of method utilizing crude carbinol distillation residual liquid production sulfur alcohol in vat powder production process |
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CN104341328A CN104341328A (en) | 2015-02-11 |
CN104341328B true CN104341328B (en) | 2016-03-09 |
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Families Citing this family (2)
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CN111518001B (en) * | 2020-04-28 | 2021-02-23 | 烟台市金河保险粉厂有限公司 | Method for preparing 2-mercaptoethanol from sodium hydrosulfite production waste liquid |
CN115925595A (en) * | 2022-12-02 | 2023-04-07 | 宁夏一帆生物科技有限公司 | Concentration method of low-content mercaptan compound |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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GB191311010A (en) * | 1913-05-09 | 1914-05-07 | James Yate Johnson | Improvements in the Manufacture and Production of Anhydrous Hydrosulphites. |
JPS51136596A (en) * | 1975-05-21 | 1976-11-26 | Mitsui Toatsu Chem Inc | Method for processing mot her liquid in the production of sodium dithionite |
CN1222499C (en) * | 2003-05-29 | 2005-10-12 | 烟台市金河保险粉厂有限公司 | Method for producing sodium formate by using crude methanol rectification residual liquid in sodium hydrosulfite production process |
CN101003366A (en) * | 2006-10-24 | 2007-07-25 | 烟台市金河保险粉厂有限公司 | Method for producing sodium hydrosulfite by using epoxy compound as auxiliary agent |
CN101670220B (en) * | 2009-09-28 | 2012-12-26 | 烟台金海化工有限公司 | Treatment method for waste gas produced in preparation process of sodium hydrosulfite |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A method for producing ethanethiol from the residue of crude methanol rectification in the production of sodium bicarbonate Effective date of registration: 20220531 Granted publication date: 20160309 Pledgee: Yantai Rural Commercial Bank Co.,Ltd. Pledgor: Yantai Jinhe Sodium Hydrosulfite Co.,Ltd. Registration number: Y2022980006715 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230523 Granted publication date: 20160309 Pledgee: Yantai Rural Commercial Bank Co.,Ltd. Pledgor: Yantai Jinhe Sodium Hydrosulfite Co.,Ltd. Registration number: Y2022980006715 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A method for producing ethyl mercaptan from crude methanol distillation residue in the production process of sodium hydrosulfite Effective date of registration: 20230529 Granted publication date: 20160309 Pledgee: Yantai Rural Commercial Bank Co.,Ltd. Pledgor: Yantai Jinhe Sodium Hydrosulfite Co.,Ltd. Registration number: Y2023980041912 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right |