GB2601267A - Autonomous wastewater treatment system - Google Patents
Autonomous wastewater treatment system Download PDFInfo
- Publication number
- GB2601267A GB2601267A GB2202555.5A GB202202555A GB2601267A GB 2601267 A GB2601267 A GB 2601267A GB 202202555 A GB202202555 A GB 202202555A GB 2601267 A GB2601267 A GB 2601267A
- Authority
- GB
- United Kingdom
- Prior art keywords
- autonomous
- wastewater
- wastewater treatment
- phosphate
- hub
- 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.)
- Pending
Links
Classifications
-
- 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
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
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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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
- C02F2209/008—Processes using a programmable logic controller [PLC] comprising telecommunication features, e.g. modems or antennas
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/11—Turbidity
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
There is described an autonomous wastewater treatment system comprising: at least one sensor to measure the turbidity of wastewater, said sensor being linked to a Monitoring Station (MST); a flow meter at an inlet to a wastewater treatment work (WwTW) to measure flow of wastewater into the WwTW, said flow meter being linked to the Monitoring Station (MST); a HUB for receiving sensor data from one or more MST, wherein the HUB runs a Fuzzy Logic algorithm to estimate the phosphate concentration of the wastewater from the turbidity measurement and calculates the appropriate dosing of metal salt; and a Control Station (CST) which issues a control signal to a metal salt dosing pump to optimise phosphate removal. There is also described a method and a kit related thereto.
Claims (55)
1. An autonomous wastewater treatment system comprising: at least one sensor to measure the turbidity of wastewater, said sensor being linked to a Monitoring Station (MST); a flow meter at an inlet to a wastewater treatment work (WwTW) to measure flow of wastewater into the WwTW, said flow meter being linked to the Monitoring Station (MST); a HUB for receiving sensor data from one or more MST, wherein the HUB runs a Fuzzy Logic algorithm to estimate the phosphate concentration of the wastewater from the turbidity measurement and calculates the appropriate dosing of metal salt; and a Control Station (CST) which issues a control signal to a metal salt dosing pump to optimise phosphate removal .
2. An autonomous wastewater treatment system according to claim 1 wherein the sensor comprises one turbidimeter.
3. An autonomous wastewater treatment system according to any one of the preceding claims wherein the turbidity estimation is carried out as the wastewater enters the WwTW.
4. An autonomous wastewater treatment system according to any one of the preceding claims wherein the measured turbidity data in the wastewater entering the WwTW is input to a Fuzzy Logic (FL) control algorithm hosted on a HUB.
5. An autonomous wastewater treatment system according to claim 4 wherein the FL control algorithm estimates the phosphate concentration and influences the quantity of metal salts added to the wastewater.
6. An autonomous wastewater treatment system according to any one of the preceding claims wherein the HUB communicates with a Control Station (CST) and issues a command for the dispensing of metal salts.
7. An autonomous wastewater treatment system according to any one of the preceding claims wherein the HUB receives data from the sensor and sends control signals to the CST.
8. An autonomous wastewater treatment system according to any one of the preceding claims wherein the HUB communicates with an online Dashboard.
9. An autonomous wastewater treatment system according to claim 8 wherein the HUB communicates with an online Dashboard using wireless mobile telecommunications technology.
10. An autonomous wastewater treatment system according to any one of the preceding claims wherein the phosphate removal comprises one or more of: removal of phosphate in solid form by filtration/solids settlement processes; removal of dissolved phosphate with a biological process at the treatment works; and removal of dissolved phosphate by chemically converting the phosphate into a solid form and removal by filtration/solids settlement processes.
11. An autonomous wastewater treatment system according to claim 10 wherein dissolved phosphates are converted into solids by chemical precipitation.
12. An autonomous wastewater treatment system according to claim 11 wherein dissolved phosphates are converted into solids by addition of metal salts.
13. An autonomous wastewater treatment system according to claim 12 wherein the metal salts comprise aluminium salts or iron salts.
14. An autonomous wastewater treatment system according to claim 13 wherein the aluminium salts include aluminium sulfate.
15. An autonomous wastewater treatment system according to claim 13 wherein the iron salts include ferric sulphate or ferric chloride.
16. An autonomous wastewater treatment system according to claim 12 wherein the converted phosphate solids are removed by sedimentation or filtration.
17. An autonomous wastewater treatment system according to any one of claims 5 to 16 wherein the system applies Fuzzy Logic to turbidity level data provided by one or more sensors and calculates the amount of metal salts to be added to the wastewater.
18. An autonomous wastewater treatment system according to any one of the preceding claims which may optionally include a sensor adapted to measure pH and/ or temperature of wastewater.
19. A method of autonomous wastewater treatment comprising: arranging at least one sensor adapted to measure the turbidity of wastewater; measuring the turbidity of wastewater in a WwTW inlet; measuring the flow of wastewater at an inlet to wastewater treatment works (WwTW), said flow meter being linked to the Monitoring Station (MST); relaying the turbidity and flow measurements to a HUB and applying Fuzzy Logic to the measurements to estimate the phosphate content of the wastewater; and relaying the determined additive dosing rate to a Control Station wherein said Control Station issues commands to a metal salt dosing pump in order to optimise phosphate removal.
20. A method of autonomous wastewater treatment according to claim 19 wherein the sensor comprises one or more turbidimeters.
21. A method of autonomous wastewater treatment according to any one of claims 19 to 20 wherein the turbidity measurement is carried out as the wastewater enters the WwTW.
22. A method of autonomous wastewater treatment according to any one of claims 19 to 21 wherein the measured turbidity data in the wastewater entering the WwTW is input to a Fuzzy Logic (FL) control algorithm hosted on a HUB.
23. A method of autonomous wastewater treatment according to claim 22 wherein the FL control algorithm estimates the phosphate concentration and influences the quantity of metal salts added to the wastewater.
24. A method of autonomous wastewater treatment according to any one of claims 19 to 23 wherein the HUB communicates with a Control Station (CST) and issues a command for the dispensing of metal salts.
25. A method of autonomous wastewater treatment according to any one of claims 19 to 24 wherein the HUB receives data from the sensor and sends control signals to the CST.
26. A method of autonomous wastewater treatment according to any one of claims 19 to 25 wherein the HUB communicates with an online Dashboard.
27. A method of autonomous wastewater treatment according to claim 26 wherein the HUB communicates with an online Dashboard using wireless mobile telecommunications technology.
28. A method of autonomous wastewater treatment according to any one of claims 19 to 27 wherein the phosphate removal comprises one or more of: removal of phosphate in solid form by filtration/solids settlement processes; removal of dissolved phosphate with a biological process at the treatment works; and removal of dissolved phosphate by chemically converting the phosphate into a solid form and removal by filtration/solids settlement processes.
29. A method of autonomous wastewater treatment according to claim 28 wherein dissolved phosphates are converted into solids by chemical precipitation.
30. A method of autonomous wastewater treatment according to claim 29 wherein dissolved phosphates are converted into solids by addition of metal salts.
31. A method of autonomous wastewater treatment according to claim 30 wherein the metal salts comprise aluminium salts or iron salts.
32. A method of autonomous wastewater treatment according to claim 31 wherein the aluminium salts include aluminium sulfate .
33. A method of autonomous wastewater treatment according to claim 31 wherein the iron salts include ferric sulphate or ferric chloride.
34. A method of autonomous wastewater treatment according to claim 30 wherein the converted phosphate solids are removed by sedimentation or filtration.
35. A method of autonomous wastewater treatment according to any one of claims 23 to 34 wherein the system applies Fuzzy Logic to turbidity level data provided by one or more sensors and calculates the amount of metal salts to be added to the wastewater .
36. A method according to any one of claims 23 to 35 wherein the system may optionally include a sensor adapted to measure pH and/ or temperature of wastewater.
37. A kit suitable for use as an autonomous wastewater treatment system, said kit comprising: at least one sensor adapted to measure the turbidity of wastewater, said sensor being linked to a Monitoring Station (MST); a flow meter at an inlet to wastewater treatment works (WwTW) to measure flow of wastewater into the WwTW, said flow meter being linked to the Monitoring Station (MST); a HUB for receiving sensor data from the MST, wherein the HUB runs a Fuzzy Logic algorithm to estimate the phosphate concentration of the wastewater from the turbidity measurement and calculates the appropriate dosing of metal salt; and a Control System which issues a control signal to a metal salt dosing pump to optimise phosphate removal.
38. A kit according to claim 37 which may optionally include a sensor adapted to measure pH and/ or temperature of wastewater.
39. A kit according to claims 37 or 38 wherein the sensor comprises one turbidimeter.
40. A kit according to any one of claims 37 to 39 wherein the turbidity measurement is carried out as the wastewater enters the WwTW.
41. A kit according to any one of claims 37 to 40 wherein the measured phosphate/ turbidity data in the wastewater entering the WwTW is input to a Fuzzy Logic (FL) control algorithm hosted on a HUB.
42. A kit according to claim 41 wherein the FL control algorithm estimates the phosphate concentration and influences the quantity of metal salts added to the wastewater.
43. A kit according to any one of claims 37 to 42 wherein the HUB communicates with a Control Station (CST) and issues a command for the dosing of metal salts.
44. A kit according to any one of claims 37 to 43 wherein the HUB receives data from the sensor and sends control signals to the CST.
45. A kit according to any one of claims 37 to 44 wherein the HUB communicates with an online Dashboard.
46. A kit according to claim 45 wherein the HUB communicates with an online Dashboard using wireless mobile telecommunications technology.
47. A kit according to any one of claims 37 to 46 wherein the phosphate removal comprises one or more of: removal of phosphate in solid form by filtration/solids settlement processes; removal of dissolved phosphate with a biological process at the treatment works; and removal of dissolved phosphate by chemically converting the phosphate into a solid form and removal by filtration/solids settlement processes.
48. A kit according to claim 47 wherein dissolved phosphates are converted into solids by chemical precipitation.
49. A kit according to claim 48 wherein dissolved phosphates are converted into solids by addition of metal salts.
50. A kit according to claim 49 wherein the metal salts comprise aluminium salts or iron salts.
51. A kit according to claim 50 wherein the aluminium salts include aluminium sulfate.
52. A kit according to claim 50 wherein the iron salts include ferric sulphate or ferric chloride.
53. A kit according to claim 49 wherein the converted phosphate solids are removed by sedimentation or filtration.
54. A kit according to any one of claims 42 to 53 wherein the system applies Fuzzy Logic to turbidity level data provided by one or more sensors and calculates the amount of metal salts to be added to the wastewater.
55. An autonomous wastewater treatment system, a method or a kit substantially as herein described and with reference to the accompanying figure(s).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB1912451.0A GB201912451D0 (en) | 2019-08-30 | 2019-08-30 | Autonomous wastewater treatment system |
| PCT/GB2020/052047 WO2021038222A1 (en) | 2019-08-30 | 2020-08-27 | Autonomous wastewater treatment system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB202202555D0 GB202202555D0 (en) | 2022-04-13 |
| GB2601267A true GB2601267A (en) | 2022-05-25 |
Family
ID=68207171
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GBGB1912451.0A Ceased GB201912451D0 (en) | 2019-08-30 | 2019-08-30 | Autonomous wastewater treatment system |
| GB2202555.5A Pending GB2601267A (en) | 2019-08-30 | 2020-08-27 | Autonomous wastewater treatment system |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GBGB1912451.0A Ceased GB201912451D0 (en) | 2019-08-30 | 2019-08-30 | Autonomous wastewater treatment system |
Country Status (2)
| Country | Link |
|---|---|
| GB (2) | GB201912451D0 (en) |
| WO (1) | WO2021038222A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113428957A (en) * | 2021-06-29 | 2021-09-24 | 长沙榔梨自来水有限公司 | Polyaluminum chloride adding method suitable for river water |
| CN114804524A (en) * | 2022-04-25 | 2022-07-29 | 重庆市武隆排水有限责任公司 | Device and method for reducing phosphorus in effluent of biochemical pond |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5581459A (en) * | 1990-09-26 | 1996-12-03 | Hitachi, Ltd. | Plant operation support system |
| US5943662A (en) * | 1989-03-13 | 1999-08-24 | Hitachi, Ltd. | Supporting method and system for process operation |
| US6656367B1 (en) * | 1999-07-01 | 2003-12-02 | Ondeo Services | Method for managing urban wastewater based on indications on pollutants |
| EP1813579A1 (en) * | 2006-01-30 | 2007-08-01 | Blue Water Technologies, Inc. | Tertiary treatment system and method involving metal salt reagents |
| US20190010065A1 (en) * | 2015-12-21 | 2019-01-10 | Kemira Oyj | Process for producing a phosphorus product from wastewater |
-
2019
- 2019-08-30 GB GBGB1912451.0A patent/GB201912451D0/en not_active Ceased
-
2020
- 2020-08-27 GB GB2202555.5A patent/GB2601267A/en active Pending
- 2020-08-27 WO PCT/GB2020/052047 patent/WO2021038222A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5943662A (en) * | 1989-03-13 | 1999-08-24 | Hitachi, Ltd. | Supporting method and system for process operation |
| US5581459A (en) * | 1990-09-26 | 1996-12-03 | Hitachi, Ltd. | Plant operation support system |
| US6656367B1 (en) * | 1999-07-01 | 2003-12-02 | Ondeo Services | Method for managing urban wastewater based on indications on pollutants |
| EP1813579A1 (en) * | 2006-01-30 | 2007-08-01 | Blue Water Technologies, Inc. | Tertiary treatment system and method involving metal salt reagents |
| US20190010065A1 (en) * | 2015-12-21 | 2019-01-10 | Kemira Oyj | Process for producing a phosphorus product from wastewater |
Also Published As
| Publication number | Publication date |
|---|---|
| GB202202555D0 (en) | 2022-04-13 |
| WO2021038222A1 (en) | 2021-03-04 |
| GB201912451D0 (en) | 2019-10-16 |
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