JPWO2022009481A1 - - Google Patents
Info
- Publication number
- JPWO2022009481A1 JPWO2022009481A1 JP2021519903A JP2021519903A JPWO2022009481A1 JP WO2022009481 A1 JPWO2022009481 A1 JP WO2022009481A1 JP 2021519903 A JP2021519903 A JP 2021519903A JP 2021519903 A JP2021519903 A JP 2021519903A JP WO2022009481 A1 JPWO2022009481 A1 JP WO2022009481A1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/30—Control equipment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020117232 | 2020-07-07 | ||
| PCT/JP2021/011425 WO2022009481A1 (en) | 2020-07-07 | 2021-03-19 | Apparatus and method for controlling injection of coagulant in water treatment plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPWO2022009481A1 true JPWO2022009481A1 (en) | 2022-01-13 |
Family
ID=79552845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021519903A Pending JPWO2022009481A1 (en) | 2020-07-07 | 2021-03-19 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPWO2022009481A1 (en) |
| WO (1) | WO2022009481A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7295598B1 (en) | 2023-02-15 | 2023-06-21 | 富士エンジニアリング株式会社 | Coagulant addition amount adjustment device and coagulant addition amount adjustment method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003154206A (en) * | 2001-11-22 | 2003-05-27 | Kurita Water Ind Ltd | Treatment system of water or sludge |
| JP2003161690A (en) * | 2001-11-26 | 2003-06-06 | Kurita Water Ind Ltd | Aggregation monitoring apparatus |
| JP2003284904A (en) * | 2002-03-27 | 2003-10-07 | Toshiba Corp | Control device for injection of flocculant of water purification plant |
| JP2004008901A (en) * | 2002-06-05 | 2004-01-15 | Kurita Water Ind Ltd | Chemical injection control system |
| JP2016003974A (en) * | 2014-06-18 | 2016-01-12 | 栗田工業株式会社 | Aggregation monitoring device, aggregation monitoring method and aggregation system |
| JP2016147213A (en) * | 2015-02-10 | 2016-08-18 | 株式会社東芝 | Flocculant injection support device and flocculant injection system |
| JP2017018879A (en) * | 2015-07-09 | 2017-01-26 | 株式会社東芝 | Flocculant injection support device and flocculant injection support system |
| JP2019171322A (en) * | 2018-03-29 | 2019-10-10 | 栗田工業株式会社 | Flocculant addition control method, control device, and water treatment system |
-
2021
- 2021-03-19 JP JP2021519903A patent/JPWO2022009481A1/ja active Pending
- 2021-03-19 WO PCT/JP2021/011425 patent/WO2022009481A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003154206A (en) * | 2001-11-22 | 2003-05-27 | Kurita Water Ind Ltd | Treatment system of water or sludge |
| JP2003161690A (en) * | 2001-11-26 | 2003-06-06 | Kurita Water Ind Ltd | Aggregation monitoring apparatus |
| JP2003284904A (en) * | 2002-03-27 | 2003-10-07 | Toshiba Corp | Control device for injection of flocculant of water purification plant |
| JP2004008901A (en) * | 2002-06-05 | 2004-01-15 | Kurita Water Ind Ltd | Chemical injection control system |
| JP2016003974A (en) * | 2014-06-18 | 2016-01-12 | 栗田工業株式会社 | Aggregation monitoring device, aggregation monitoring method and aggregation system |
| JP2016147213A (en) * | 2015-02-10 | 2016-08-18 | 株式会社東芝 | Flocculant injection support device and flocculant injection system |
| JP2017018879A (en) * | 2015-07-09 | 2017-01-26 | 株式会社東芝 | Flocculant injection support device and flocculant injection support system |
| JP2019171322A (en) * | 2018-03-29 | 2019-10-10 | 栗田工業株式会社 | Flocculant addition control method, control device, and water treatment system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022009481A1 (en) | 2022-01-13 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210528 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220628 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20221220 |