JPH0521039B2 - - Google Patents
Info
- Publication number
- JPH0521039B2 JPH0521039B2 JP60023079A JP2307985A JPH0521039B2 JP H0521039 B2 JPH0521039 B2 JP H0521039B2 JP 60023079 A JP60023079 A JP 60023079A JP 2307985 A JP2307985 A JP 2307985A JP H0521039 B2 JPH0521039 B2 JP H0521039B2
- Authority
- JP
- Japan
- Prior art keywords
- nitrification
- tank
- membrane separation
- denitrification
- liquid
- 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.)
- Expired - Lifetime
Links
- 239000012528 membrane Substances 0.000 claims description 26
- 238000000926 separation method Methods 0.000 claims description 26
- 239000003795 chemical substances by application Substances 0.000 claims description 23
- 239000002699 waste material Substances 0.000 claims description 23
- 239000010802 sludge Substances 0.000 claims description 10
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 7
- 230000001546 nitrifying effect Effects 0.000 claims description 5
- 239000002351 wastewater Substances 0.000 claims description 5
- 238000004065 wastewater treatment Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 2
- 239000012670 alkaline solution Substances 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 30
- 239000007788 liquid Substances 0.000 description 25
- 239000003513 alkali Substances 0.000 description 15
- 238000000034 method Methods 0.000 description 14
- 235000011121 sodium hydroxide Nutrition 0.000 description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000001223 reverse osmosis Methods 0.000 description 8
- 238000000108 ultra-filtration Methods 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000010800 human waste Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000852 hydrogen donor Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60023079A JPS61181594A (ja) | 1985-02-08 | 1985-02-08 | 窒素含有廃水の処理装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60023079A JPS61181594A (ja) | 1985-02-08 | 1985-02-08 | 窒素含有廃水の処理装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61181594A JPS61181594A (ja) | 1986-08-14 |
| JPH0521039B2 true JPH0521039B2 (de) | 1993-03-23 |
Family
ID=12100406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60023079A Granted JPS61181594A (ja) | 1985-02-08 | 1985-02-08 | 窒素含有廃水の処理装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61181594A (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63221893A (ja) * | 1987-03-09 | 1988-09-14 | Ebara Infilco Co Ltd | 有機性汚水の処理方法 |
| JPH02218500A (ja) * | 1989-02-20 | 1990-08-31 | Ebara Infilco Co Ltd | し尿系汚水処理方法 |
| JPH02245296A (ja) * | 1989-03-17 | 1990-10-01 | Ebara Infilco Co Ltd | 有機性廃水の処理方法 |
| JPH0659477B2 (ja) * | 1990-07-11 | 1994-08-10 | 日本碍子株式会社 | カルシウムおよび窒素を含有する廃水の処理方法 |
| NL2001974C (nl) * | 2008-09-10 | 2010-03-15 | Ipstar B V | Inrichting voor de behandeling van ureumhoudend water, toilet, stal en werkwijze. |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4931151A (de) * | 1972-07-20 | 1974-03-20 | ||
| JPS5075177A (de) * | 1973-11-07 | 1975-06-20 | ||
| JPS5226379A (en) * | 1975-08-25 | 1977-02-26 | Asahi Chem Ind Co Ltd | Method of washing ultrafiltration membranes |
| JPS5394444A (en) * | 1977-01-29 | 1978-08-18 | Sanki Eng Co Ltd | Method of treating waste water containing highly concentrated ammonia nitrogen |
| JPS53106387A (en) * | 1977-02-28 | 1978-09-16 | Toshiba Corp | Washing method for membrane separation apparatus |
| JPS5498046A (en) * | 1978-01-18 | 1979-08-02 | Mitsui Toatsu Chem Inc | Method of purifying waste water |
-
1985
- 1985-02-08 JP JP60023079A patent/JPS61181594A/ja active Granted
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4931151A (de) * | 1972-07-20 | 1974-03-20 | ||
| JPS5075177A (de) * | 1973-11-07 | 1975-06-20 | ||
| JPS5226379A (en) * | 1975-08-25 | 1977-02-26 | Asahi Chem Ind Co Ltd | Method of washing ultrafiltration membranes |
| JPS5394444A (en) * | 1977-01-29 | 1978-08-18 | Sanki Eng Co Ltd | Method of treating waste water containing highly concentrated ammonia nitrogen |
| JPS53106387A (en) * | 1977-02-28 | 1978-09-16 | Toshiba Corp | Washing method for membrane separation apparatus |
| JPS5498046A (en) * | 1978-01-18 | 1979-08-02 | Mitsui Toatsu Chem Inc | Method of purifying waste water |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61181594A (ja) | 1986-08-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |