CA2158407A1 - A process and apparatus for treating waste water - Google Patents
A process and apparatus for treating waste waterInfo
- Publication number
- CA2158407A1 CA2158407A1 CA002158407A CA2158407A CA2158407A1 CA 2158407 A1 CA2158407 A1 CA 2158407A1 CA 002158407 A CA002158407 A CA 002158407A CA 2158407 A CA2158407 A CA 2158407A CA 2158407 A1 CA2158407 A1 CA 2158407A1
- Authority
- CA
- Canada
- Prior art keywords
- waste water
- septic tank
- sludge
- biological reactor
- chamber
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1263—Sequencing batch reactors [SBR]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
-
- 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
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Biological Wastes In General (AREA)
Abstract
The process for treating waste water uses the combination of a septic tank operating in series with a biological reactor such as a sequencing batch reactor. In this process, waste water is supplied and accumulated in a septic tank. In the septic tank, the waste water and the settling sludge are biologically treated under anaerobic conditions. A given amount of treated waste water is then transferred from the septic tank into a biological reactor such as a sequencing batch reactor, where it is mixed and aerated. Such a mixing and aerating causes activation of the sludge and clarification of the waste water. The activated sludge in suspension in the liquor is then allowed to settle and an upper layer of clarified water formed above the mixed liquor after the settling period is decanted. The excess activated sludge in the biological reactor may then be removed therefrom and supplied into the septic tank so that the excess sludge be treated by digestion therein. The apparatus used to carry out the above-mentioned process comprises a septic tank provided with a baffle wall defining a first chamber where the sludge may settle and accumulate and where anaerobic fermentation is occurring, and a second treatment chamber where the solids are anaerobically digested. In operation, the waste water may flow from the first chamber to the second chamber by passing through the baffle wall. The apparatus also comprises a biological reactor for further treating the waste water under aerobic condition. A pump is provided for transferring the treated waste water in the septic tank to the biological reactor. This process allows a total treatment of waste water and all sludge for an extended period of time, from 5 to 15 years, without having to remove any byproducts for immediate treatment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2158407 CA2158407C (en) | 1995-09-15 | 1995-09-15 | A process and apparatus for treating waste water |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 2158407 CA2158407C (en) | 1995-09-15 | 1995-09-15 | A process and apparatus for treating waste water |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2158407A1 true CA2158407A1 (en) | 1997-03-16 |
CA2158407C CA2158407C (en) | 2009-07-21 |
Family
ID=4156603
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 2158407 Expired - Lifetime CA2158407C (en) | 1995-09-15 | 1995-09-15 | A process and apparatus for treating waste water |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2158407C (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115057591A (en) * | 2022-07-29 | 2022-09-16 | 苏州富淼膜科技有限公司 | Treatment process of refractory organic wastewater |
CN116730565A (en) * | 2023-08-11 | 2023-09-12 | 福建省永建皮革科技股份有限公司 | System and method for treating tanning wastewater |
CN116947267A (en) * | 2023-09-20 | 2023-10-27 | 中国农业科学院农业环境与可持续发展研究所 | Black ash water integration treatment facility |
-
1995
- 1995-09-15 CA CA 2158407 patent/CA2158407C/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115057591A (en) * | 2022-07-29 | 2022-09-16 | 苏州富淼膜科技有限公司 | Treatment process of refractory organic wastewater |
CN116730565A (en) * | 2023-08-11 | 2023-09-12 | 福建省永建皮革科技股份有限公司 | System and method for treating tanning wastewater |
CN116730565B (en) * | 2023-08-11 | 2023-11-21 | 福建省永建皮革科技股份有限公司 | System and method for treating tanning wastewater |
CN116947267A (en) * | 2023-09-20 | 2023-10-27 | 中国农业科学院农业环境与可持续发展研究所 | Black ash water integration treatment facility |
CN116947267B (en) * | 2023-09-20 | 2023-12-29 | 中国农业科学院农业环境与可持续发展研究所 | Black ash water integration treatment facility |
Also Published As
Publication number | Publication date |
---|---|
CA2158407C (en) | 2009-07-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |
Effective date: 20150915 |