JP2018065098A5 - - Google Patents
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- JP2018065098A5 JP2018065098A5 JP2016205805A JP2016205805A JP2018065098A5 JP 2018065098 A5 JP2018065098 A5 JP 2018065098A5 JP 2016205805 A JP2016205805 A JP 2016205805A JP 2016205805 A JP2016205805 A JP 2016205805A JP 2018065098 A5 JP2018065098 A5 JP 2018065098A5
- Authority
- JP
- Japan
- Prior art keywords
- amine
- containing wastewater
- reverse osmosis
- osmosis membrane
- less
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 150000001412 amines Chemical class 0.000 claims 14
- 239000002351 wastewater Substances 0.000 claims 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 9
- 239000012528 membrane Substances 0.000 claims 7
- 238000001223 reverse osmosis Methods 0.000 claims 7
- 238000001704 evaporation Methods 0.000 claims 4
- 238000010979 pH adjustment Methods 0.000 claims 3
- 238000004065 wastewater treatment Methods 0.000 claims 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 2
- 229910052799 carbon Inorganic materials 0.000 claims 2
- 230000005494 condensation Effects 0.000 claims 2
- 238000009833 condensation Methods 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000012466 permeate Substances 0.000 claims 1
- 238000003672 processing method Methods 0.000 claims 1
Claims (6)
前記排水ｐＨ調整工程で得られたアミン含有排水を蒸発濃縮する蒸発濃縮工程と、
前記蒸発濃縮工程で発生した蒸気を凝縮する凝縮工程と、
前記凝縮工程で得られた凝縮水をｐＨ８以下に調整するｐＨ調整工程と、
ｐＨ８以下に調整した前記凝縮水を逆浸透膜に通水し、透過水と濃縮水とに分離する逆浸透膜処理工程と、を有することを特徴とするアミン含有排水の処理方法。 Wastewater pH adjustment step for adjusting amine-containing wastewater to less than pH 9,
An evaporation concentration step of evaporating and concentrating the amine-containing wastewater obtained in the wastewater pH adjustment step ;
A condensation step of condensing the vapor generated in the evaporation concentration step;
A pH adjustment step of adjusting the condensed water obtained in the condensation step to pH 8 or less;
and a reverse osmosis membrane treatment step of passing the condensed water adjusted to pH 8 or lower through a reverse osmosis membrane and separating it into permeate and concentrated water.
前記排水ｐＨ調整手段によりｐＨ調整されたアミン含有排水を蒸発濃縮する蒸発濃縮手段と、
前記蒸発濃縮手段で発生した蒸気を凝縮する凝縮手段と、
前記凝縮手段で得られた凝縮水をｐＨ８以下に調整するｐＨ調整手段と、
逆浸透膜を備え、ｐＨ８以下に調整された前記凝縮水を前記逆浸透膜に通水し、透過水と濃縮水とに分離する逆浸透膜処理手段と、を有することを特徴とするアミン含有排水の処理装置。 Drainage pH adjusting means for adjusting amine-containing wastewater to a pH of less than 9,
Evaporative concentration means for evaporating and concentrating amine-containing wastewater whose pH is adjusted by the wastewater pH adjusting means ;
Condensing means for condensing the vapor generated by the evaporative concentration means;
PH adjusting means for adjusting the condensed water obtained by the condensing means to pH 8 or less;
A reverse osmosis membrane treatment means comprising a reverse osmosis membrane and passing the condensed water adjusted to pH 8 or less through the reverse osmosis membrane and separating it into permeated water and concentrated water. Wastewater treatment equipment.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016205805A JP6853648B2 (en) | 2016-10-20 | 2016-10-20 | Amine-containing wastewater treatment method and treatment equipment |
| PCT/JP2017/028637 WO2018074039A1 (en) | 2016-10-20 | 2017-08-07 | Method and apparatus for treating amine-containing waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016205805A JP6853648B2 (en) | 2016-10-20 | 2016-10-20 | Amine-containing wastewater treatment method and treatment equipment |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2018065098A JP2018065098A (en) | 2018-04-26 |
| JP2018065098A5 true JP2018065098A5 (en) | 2019-11-14 |
| JP6853648B2 JP6853648B2 (en) | 2021-03-31 |
Family
ID=62085391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016205805A Active JP6853648B2 (en) | 2016-10-20 | 2016-10-20 | Amine-containing wastewater treatment method and treatment equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6853648B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11148986B1 (en) * | 2020-04-29 | 2021-10-19 | Suzhou Suzhen Bioengineering Co., Ltd | Method for extracting polyol from a fermentation process |
| CN111905577A (en) * | 2020-08-12 | 2020-11-10 | 浙江奥氏环境科技有限公司 | Method for reducing content of residual amine of reverse osmosis membrane |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06142697A (en) * | 1992-11-09 | 1994-05-24 | Fuji Photo Film Co Ltd | Treatment method for photograph development treatment waste liquid |
| JP4936505B2 (en) * | 2005-10-04 | 2012-05-23 | 株式会社神鋼環境ソリューション | Method and apparatus for treating ammonia-containing water |
| FR2930246B1 (en) * | 2008-04-18 | 2011-12-09 | Veolia Eau Cie Generale Des Eaux | PROCESS FOR TREATING AQUEOUS PURGE EFFLUENTS OR CLEANING THE STEAM GENERATOR CIRCUITS AND MOBILE UNIT FOR CARRYING OUT SAID METHOD |
| US9028654B2 (en) * | 2012-02-29 | 2015-05-12 | Alstom Technology Ltd | Method of treatment of amine waste water and a system for accomplishing the same |
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2016
- 2016-10-20 JP JP2016205805A patent/JP6853648B2/en active Active
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