PL425052A1 - Method for reduction of emission of volatile organic compounds and the system for its execution - Google Patents
Method for reduction of emission of volatile organic compounds and the system for its executionInfo
- Publication number
- PL425052A1 PL425052A1 PL425052A PL42505218A PL425052A1 PL 425052 A1 PL425052 A1 PL 425052A1 PL 425052 A PL425052 A PL 425052A PL 42505218 A PL42505218 A PL 42505218A PL 425052 A1 PL425052 A1 PL 425052A1
- Authority
- PL
- Poland
- Prior art keywords
- organic compounds
- volatile organic
- stage
- alkoxylation
- reactor
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Epoxy Compounds (AREA)
Abstract
Przedmiotem zgłoszenia jest sposób ograniczenia emisji lotnych związków organicznych, który polega na tym, że gazy odlotowe z procesów alkoksylacji poddawane są dwuetapowemu procesowi kondensacji. W etapie pierwszym sprężone gazy odlotowe z reaktora alkoksylacji o temperaturze 100°C - 180°C są rozprężane poprzez powolną redukcję nadciśnienia pozostałego po reakcji alkoksylacji w czasie proporcjonalnym do końcowej wartości nadciśnienia a także temperatury produktu w tym reaktorze, a następnie przechodzą poprzez chłodnicę, z szybkością umożliwiającą wykroplenie lotnych związków organicznych LZO, które kierowane są do odbieralnika. W etapie drugim w reaktorze alkoksylacji prowadzi się powolną destylację lotnych związków organicznych LZO, wspomaganą próżniowo oraz barbotażem gazem inertnym, a destylat uzyskany w tym procesie jest gromadzony w odbieralniku. Zarówno w pierwszym, jak i w drugim etapie, pary lotnych związków organicznych LZO ulegają kondensacji w chłodnicy zasilanej medium chłodzącym o temperaturze w zakresie od -8°C do 0°C. Zgłoszenie obejmuje także układ do realizacji przedmiotowego sposobu.The subject of the application is a method of limiting the emission of volatile organic compounds, which consists in the fact that exhaust gases from alkoxylation processes are subjected to a two-stage condensation process. In the first stage, the compressed exhaust gas from the alkoxylation reactor at a temperature of 100 ° C - 180 ° C is depressurized by slowly reducing the overpressure remaining after the alkoxylation reaction in a time proportional to the final overpressure and also the product temperature in this reactor, and then pass through the cooler the rate enabling the volatile organic compounds VOC to condense, which are directed to the receiver. In the second stage, the volatile organic compounds (VOCs) are slowly distilled in the alkoxylation reactor, assisted by vacuum and inert gas bubbling, and the distillate obtained in this process is collected in the receiver. Both in the first and in the second stage, vapors of volatile organic compounds (VOCs) condense in a cooler supplied with a cooling medium at a temperature ranging from -8 ° C to 0 ° C. The application also includes a system for carrying out the method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL425052A PL235800B1 (en) | 2018-03-28 | 2018-03-28 | Method for reduction of emission of volatile organic compounds and the system for its execution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL425052A PL235800B1 (en) | 2018-03-28 | 2018-03-28 | Method for reduction of emission of volatile organic compounds and the system for its execution |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PL425052A1 true PL425052A1 (en) | 2019-10-07 |
| PL235800B1 PL235800B1 (en) | 2020-10-19 |
Family
ID=68099374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL425052A PL235800B1 (en) | 2018-03-28 | 2018-03-28 | Method for reduction of emission of volatile organic compounds and the system for its execution |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL235800B1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010014188A2 (en) * | 2008-07-31 | 2010-02-04 | Dow Technology Investments Llc | Alkylene oxide recovery systems |
| CN202191720U (en) * | 2011-09-09 | 2012-04-18 | 可利亚多元醇（南京）有限公司 | Recovery device for tail gas of oxirane for polyether polyol |
| CN203123770U (en) * | 2013-03-19 | 2013-08-14 | 无锡蓝海工程设计有限公司 | Discharge system capable of reducing organic tail gas during production of basic epoxy resin |
| TW201730166A (en) * | 2015-11-26 | 2017-09-01 | 贏創德固賽有限責任公司 | Process for the epoxidation of propene |
-
2018
- 2018-03-28 PL PL425052A patent/PL235800B1/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010014188A2 (en) * | 2008-07-31 | 2010-02-04 | Dow Technology Investments Llc | Alkylene oxide recovery systems |
| CN202191720U (en) * | 2011-09-09 | 2012-04-18 | 可利亚多元醇（南京）有限公司 | Recovery device for tail gas of oxirane for polyether polyol |
| CN203123770U (en) * | 2013-03-19 | 2013-08-14 | 无锡蓝海工程设计有限公司 | Discharge system capable of reducing organic tail gas during production of basic epoxy resin |
| TW201730166A (en) * | 2015-11-26 | 2017-09-01 | 贏創德固賽有限責任公司 | Process for the epoxidation of propene |
Also Published As
| Publication number | Publication date |
|---|---|
| PL235800B1 (en) | 2020-10-19 |
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