GB570078A - Purification of liquids - Google Patents
Purification of liquidsInfo
- Publication number
- GB570078A GB570078A GB1766842A GB1766842A GB570078A GB 570078 A GB570078 A GB 570078A GB 1766842 A GB1766842 A GB 1766842A GB 1766842 A GB1766842 A GB 1766842A GB 570078 A GB570078 A GB 570078A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pipe
- tank
- passed
- liquid
- gas
- 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.)
- Expired
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
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
-
- 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
- C02F3/30—Aerobic and anaerobic 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)
- Chemical & Material Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Physical Water Treatments (AREA)
Abstract
570,078. Treating sewage, &c. TRIGGS, W. W. (Dorr Co., Inc.). Dec. 11, 1942, No. 17668. [Class 111] In the treatment of sewage, &c., the liquid containing gas is treated in a vacuum flotation apparatus 11, as described in Specification 570,076, and the scum and sludge are passed through pipes 80, 81 respectively to a digestion tank 60, supernatent liquor being returned from the latter through a pipe 67 for retreatment in the apparatus 11. A branch pipe 671 allows the gasification tank 40 to be bypassed. A large tank 60 may be provided with rotary sludgeimpelling arms 61. The digested sludge is passed to a dewatering station 63 comprising filtering equipment and means for adding a coagulating chemical or other filter aid prior to filtration or a centrifuge, the separated liquid being removed through a pipe 70, preferably connected to the pipe 67, and the sludge cake being passed to a flash dryer or incinerator 68, preferably heated by digester gas supplied through a pipe 66. Gas and vapour from the tanks 40, 11 may be conducted through a pipe 49 to the incinerator for deodorization and a damper 72 may be provided in the stack 73 to permit the supply of stack gases through a pipe 74 by means of a compressor 44 to the gas-diffusing tiles 42 in the tank 40. The liquid level in the tank 11 relative to the ramp 82 and hopper 16 of the scum-removing means may be varied as by an adjustable nozzle 27, arranged in an auxiliary chamber 24 and connected to a wet vacuum pump 26, for controlling the concentration of the scum. The effluent from the tank 11 is withdrawn through a pipe 30 from below a baffle 31. The influent liquid may be passed through a disintegrator or screen 84 and a grit washing station 85, and coagulants, such as alum or ferric chloride, may be added through a pipe 83. If no chemicals be added, an impellor aerator may be provided in the tank 40 instead of the tiles 42. Inert gas is used with a liquid having a high biological oxygen demand.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1766842A GB570078A (en) | 1942-12-11 | 1942-12-11 | Purification of liquids |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1766842A GB570078A (en) | 1942-12-11 | 1942-12-11 | Purification of liquids |
Publications (1)
Publication Number | Publication Date |
---|---|
GB570078A true GB570078A (en) | 1945-06-21 |
Family
ID=10099124
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1766842A Expired GB570078A (en) | 1942-12-11 | 1942-12-11 | Purification of liquids |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB570078A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009082237A1 (en) * | 2007-12-21 | 2009-07-02 | Waterment As | Apparatus and method for purification of waste water |
CN113565456A (en) * | 2021-07-30 | 2021-10-29 | 江苏省苏中建设集团股份有限公司 | Pump circulating device for underwater pile foundation |
CN114644426A (en) * | 2021-04-21 | 2022-06-21 | 苏州吉如发环保科技有限公司 | Integrated sewage treatment equipment |
CN115451658A (en) * | 2022-09-01 | 2022-12-09 | 德州凯密迪化工有限公司 | Flash distillation desiccator is used in calcium hypochlorite processing production |
-
1942
- 1942-12-11 GB GB1766842A patent/GB570078A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009082237A1 (en) * | 2007-12-21 | 2009-07-02 | Waterment As | Apparatus and method for purification of waste water |
CN114644426A (en) * | 2021-04-21 | 2022-06-21 | 苏州吉如发环保科技有限公司 | Integrated sewage treatment equipment |
CN113565456A (en) * | 2021-07-30 | 2021-10-29 | 江苏省苏中建设集团股份有限公司 | Pump circulating device for underwater pile foundation |
CN115451658A (en) * | 2022-09-01 | 2022-12-09 | 德州凯密迪化工有限公司 | Flash distillation desiccator is used in calcium hypochlorite processing production |
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