JPS4828230B1 - - Google Patents
Info
- Publication number
- JPS4828230B1 JPS4828230B1 JP1051669A JP1051669A JPS4828230B1 JP S4828230 B1 JPS4828230 B1 JP S4828230B1 JP 1051669 A JP1051669 A JP 1051669A JP 1051669 A JP1051669 A JP 1051669A JP S4828230 B1 JPS4828230 B1 JP S4828230B1
- 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
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
- G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB753768A GB1245102A (en) | 1968-02-15 | 1968-02-15 | Automatic control of chemical concentration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4828230B1 true JPS4828230B1 (en) | 1973-08-30 |
Family
ID=9835014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1051669A Pending JPS4828230B1 (en) | 1968-02-15 | 1969-02-14 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3643102A (en) |
| JP (1) | JPS4828230B1 (en) |
| CH (1) | CH508941A (en) |
| DE (1) | DE1907486C3 (en) |
| ES (1) | ES363675A1 (en) |
| FR (1) | FR2001959A1 (en) |
| GB (1) | GB1245102A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3776408A (en) * | 1971-06-28 | 1973-12-04 | Scott Paper Co | Nursing unit |
| US3992109A (en) * | 1973-03-15 | 1976-11-16 | Calspan Corporation | Cyclic colorimetry method and apparatus |
| US4016079A (en) * | 1975-09-16 | 1977-04-05 | Aquasol, Inc. | Automatic chlorine and pH control apparatus for swimming pools |
| US4013039A (en) * | 1976-09-02 | 1977-03-22 | International Business Machines Corporation | Wet processing PH control |
| CA2922949A1 (en) | 2015-03-05 | 2016-09-05 | Pentair Water Pool And Spa, Inc. | Chemical controller system and method |
| US11610467B2 (en) | 2020-10-08 | 2023-03-21 | Ecolab Usa Inc. | System and technique for detecting cleaning chemical usage to control cleaning efficacy |
-
1968
- 1968-02-15 GB GB753768A patent/GB1245102A/en not_active Expired
-
1969
- 1969-02-10 US US3643102D patent/US3643102A/en not_active Expired - Lifetime
- 1969-02-14 DE DE1907486A patent/DE1907486C3/en not_active Expired
- 1969-02-14 CH CH231969A patent/CH508941A/en not_active IP Right Cessation
- 1969-02-14 FR FR6903594A patent/FR2001959A1/fr not_active Withdrawn
- 1969-02-14 JP JP1051669A patent/JPS4828230B1/ja active Pending
- 1969-02-14 ES ES363675A patent/ES363675A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1907486A1 (en) | 1969-09-11 |
| DE1907486C3 (en) | 1979-11-22 |
| FR2001959A1 (en) | 1969-10-03 |
| ES363675A1 (en) | 1971-01-01 |
| CH508941A (en) | 1971-06-15 |
| DE1907486B2 (en) | 1979-03-22 |
| US3643102A (en) | 1972-02-15 |
| GB1245102A (en) | 1971-09-08 |