SU444732A1 - Extraction treatment method of wastewater from resinous substances and hydrocarbons - Google Patents
Extraction treatment method of wastewater from resinous substances and hydrocarbonsInfo
- Publication number
- SU444732A1 SU444732A1 SU1780599A SU1780599A SU444732A1 SU 444732 A1 SU444732 A1 SU 444732A1 SU 1780599 A SU1780599 A SU 1780599A SU 1780599 A SU1780599 A SU 1780599A SU 444732 A1 SU444732 A1 SU 444732A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- wastewater
- hydrocarbons
- extractant
- treatment method
- extraction treatment
- Prior art date
Links
Landscapes
- Physical Water Treatments (AREA)
- Extraction Or Liquid Replacement (AREA)
Description
Изобретение относитс к способам очистки сточных вод экстракцией смолистых веществ и углеводородов и может найти применение в коксохимической, химической и нефтеперерабатывающей отрасл х промышленности.The invention relates to methods for treating wastewater by extracting tar and hydrocarbons and may find application in the coke-chemical, chemical and petroleum refining industries.
Известен способ экстракционной очистки сточных вод от углеводородов и механических примесей, по которому сточную воду смешивают с экстрагентом, смесь отстаивают, отдел ют экстракт и регенерируют из него зкстрагент дистилл цией, а воду, оставшуюс после отделени экстракта, фильтруют через зернистый материал.A known method of extraction purification of wastewater from hydrocarbons and mechanical impurities, in which wastewater is mixed with the extractant, the mixture is settled, the extract is separated and the extractant is recovered from it by distillation, and the water remaining after separation of the extract is filtered through a granular material.
Цель изобретени - упрощение процесса очистки и снижение удельного расхода экстрагента .The purpose of the invention is to simplify the cleaning process and reduce the specific consumption of the extractant.
Дл этого экстрагент подают в сточную воду перед фильтрованием и фильтруют смесь сточной воды с экстрагентом. При этом механический фильтр вл етс одновременно насадочным экстрактором, что обеспечивает упрои1 .ение технологической схемы и снижение расхода экстрагента. Специальный смеситель дл смешивани экстрагента со сточной водой не нужен.For this, the extractant is fed into the wastewater before filtration and the mixture of the wastewater and the extractant is filtered. At the same time, the mechanical filter is simultaneously a packed extractor, which ensures the simplification of the technological scheme and the reduction of the extractant consumption. A special mixer for mixing the extractant with the waste water is not needed.
Пример. В сточную воду, содержащую смолы, масла и нерастворимые механические примеси, ввод т экстрагент (бензол) в количестве 2-3 об. % от объема сточной воды и фильтруют через зернистый материал дл отделени механических примесей. Полученный фильтрат отстаивают и отдел ют от него экстракт . Из экстракта регенерируют экстрагент дистилл цией. Очищенную воду отвод т по назначению . При очистке сточной воды, содержащей 468-1650 мг/л смол, диспергированных до размера частиц 0,5-1,0 мкм, эффект очистки составл ет 93-97% при остаточном содержании 27-95 мг/л.Example. An extractant (benzene) in an amount of 2-3 vol. Is added to waste water containing resins, oils and insoluble mechanical impurities. % of the volume of waste water and filtered through a granular material to separate mechanical impurities. The obtained filtrate is decanted and the extract is separated from it. From the extract, the extractant is recovered by distillation. The purified water is discharged as intended. When cleaning wastewater containing 468–1650 mg / l of resin dispersed to a particle size of 0.5–1.0 µm, the cleaning effect is 93–97% with a residual content of 27–95 mg / l.
Предмет изобретени Subject invention
Способ экстракционной очистки сточных вод от смолистых веществ и углеводородов, включающий фильтрование через зернистый материал и регенерацию экстрагента дистилл цией , отличающийс тем, что, с целью упрощени процесса очистки и снижени удельного расхода экстрагента, смесь экстрагента и сточной воды пропускают через зернистый материал.The method of extraction purification of wastewater from resinous substances and hydrocarbons, including filtration through the granular material and regeneration of the extractant by distillation, characterized in that, in order to simplify the purification process and reduce the specific consumption of the extractant, the mixture of extractant and wastewater is passed through the granular material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1780599A SU444732A1 (en) | 1972-05-03 | 1972-05-03 | Extraction treatment method of wastewater from resinous substances and hydrocarbons |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU1780599A SU444732A1 (en) | 1972-05-03 | 1972-05-03 | Extraction treatment method of wastewater from resinous substances and hydrocarbons |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU444732A1 true SU444732A1 (en) | 1974-09-30 |
Family
ID=20512991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1780599A SU444732A1 (en) | 1972-05-03 | 1972-05-03 | Extraction treatment method of wastewater from resinous substances and hydrocarbons |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU444732A1 (en) |
-
1972
- 1972-05-03 SU SU1780599A patent/SU444732A1/en active
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