| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1352536AGB475354A (en) | 1936-05-13 | 1936-05-13 | Improvements in or relating to the treatment of sewage and like waste liquids |
| Publication Number | Publication Date |
|---|---|
| FR806589Atrue FR806589A (en) | 1936-12-19 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR806589DExpiredFR806589A (en) | 1936-05-13 | 1936-05-18 | Sewage treatment improvements |
| Country | Link |
|---|---|
| BE (1) | BE415615A (en) |
| CH (1) | CH223782A (en) |
| FR (1) | FR806589A (en) |
| GB (1) | GB475354A (en) |
| NL (1) | NL53363C (en) |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114956473A (en)* | 2022-06-16 | 2022-08-30 | 江苏海绵城市技术研究院有限公司 | Modular bioretention pond |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2419693A (en)* | 1943-01-29 | 1947-04-29 | Austin Co | Sewage disposal system |
| US2528887A (en)* | 1947-12-18 | 1950-11-07 | Carter Ralph B Co | Means for purifying sewage and the like |
| SE443930B (en)* | 1981-05-08 | 1986-03-17 | Flaekt Ab | DEVICE FOR PURIFICATION OF POLLUTANEATED AIR FROM A SPRAYBOX WITH A BIOLOGICAL DEGRADATION |
| CN116819030B (en)* | 2023-08-28 | 2023-10-31 | 天津天元信息技术有限公司 | Tap water pipeline water quality purifying and monitoring device |
| CN118026408B (en)* | 2024-04-11 | 2024-06-14 | 四川发展环境科学技术研究院有限公司 | System and method for removing nitrogen and phosphorus in sewage by iron ion driven denitrification-anaerobic ammoxidation |
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114956473A (en)* | 2022-06-16 | 2022-08-30 | 江苏海绵城市技术研究院有限公司 | Modular bioretention pond |
| CN114956473B (en)* | 2022-06-16 | 2023-08-04 | 江苏海绵城市技术研究院有限公司 | Modular biological detention pond |
| Publication number | Publication date |
|---|---|
| NL53363C (en) | |
| CH223782A (en) | 1942-10-15 |
| BE415615A (en) | |
| GB475354A (en) | 1937-11-15 |
| Publication | Publication Date | Title |
|---|---|---|
| FR823869A (en) | Sewage treatment process | |
| FR806589A (en) | Sewage treatment improvements | |
| FR784706A (en) | Apparatus for biological water purification | |
| FR824375A (en) | Nut lock | |
| FR752942A (en) | Pumping installation for water laden with impurities | |
| FR814484A (en) | Improvements in the treatment of cellulosic materials | |
| FR864183A (en) | Improvements to wastewater treatment | |
| FR788343A (en) | Wastewater treatment device | |
| FR855252A (en) | Process for wastewater treatment | |
| FR713264A (en) | Sewage sludge treatment improvements | |
| FR775152A (en) | Sewage treatment | |
| FR772684A (en) | Device for sewage treatment | |
| FR738108A (en) | Improvement in sewage treatment | |
| FR810636A (en) | Process for water purification | |
| FR789765A (en) | Biological wastewater treatment device | |
| FR816026A (en) | Emery file | |
| FR804886A (en) | Water purification installation | |
| FR729314A (en) | Improvements to water filtration | |
| FR828193A (en) | Sewage, wastewater and similar discoloration enhancements | |
| FR793481A (en) | Sewage treatment process | |
| FR809938A (en) | Shoe care support | |
| FR788369A (en) | Device for sewage treatment | |
| FR759892A (en) | Sewage treatment equipment | |
| FR844151A (en) | Improvements to the construction of the rear of ships | |
| FR781644A (en) | Improvements in the treatment of residual sludge water |