RO88225B - Procedeu de epurare a apelor reziduale provenite de la fabricarea polistirenului - Google Patents
Procedeu de epurare a apelor reziduale provenite de la fabricarea polistirenuluiInfo
- Publication number
- RO88225B RO88225B RO113067A RO11306783A RO88225B RO 88225 B RO88225 B RO 88225B RO 113067 A RO113067 A RO 113067A RO 11306783 A RO11306783 A RO 11306783A RO 88225 B RO88225 B RO 88225B
- Authority
- RO
- Romania
- Prior art keywords
- polystyren
- fabrication
- purifying sewage
- resulting
- benzene
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 229920002223 polystyrene Polymers 0.000 title abstract 2
- 239000010865 sewage Substances 0.000 title 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 abstract 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract 3
- 239000003960 organic solvent Substances 0.000 abstract 2
- 101100352919 Caenorhabditis elegans ppm-2 gene Proteins 0.000 abstract 1
- 239000004793 Polystyrene Substances 0.000 abstract 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Procedeul, conform inventiei, se caracterizeaza prin aceea ca, efectueaza extractia suspensiei de polistiren, în doua trepte, cu solventi organici reziduali proveniti de la fabricarea stirenului, avînd un continut de 35-47% benzen, 58,5-60% toluen, 10 ppm-2% etil, benzen si maximum 10 ppm stiren, mentinîndu-se în fiecare treapta o durata de contact de peste 1 min si un raport solvent organic: apa reziduala peste 1:60 în volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO113067A RO88225B (ro) | 1983-12-27 | 1983-12-27 | Procedeu de epurare a apelor reziduale provenite de la fabricarea polistirenului |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO113067A RO88225B (ro) | 1983-12-27 | 1983-12-27 | Procedeu de epurare a apelor reziduale provenite de la fabricarea polistirenului |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO88225A RO88225A (ro) | 1985-12-30 |
| RO88225B true RO88225B (ro) | 1985-12-31 |
Family
ID=20114132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO113067A RO88225B (ro) | 1983-12-27 | 1983-12-27 | Procedeu de epurare a apelor reziduale provenite de la fabricarea polistirenului |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO88225B (ro) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111630094B (zh) * | 2017-11-20 | 2023-08-29 | 波利斯太沃特公司 | 用于再循环聚苯乙烯废物的方法 |
-
1983
- 1983-12-27 RO RO113067A patent/RO88225B/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO88225A (ro) | 1985-12-30 |
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