CN1140475C - Toilet excrements treating process - Google Patents
Toilet excrements treating process Download PDFInfo
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- CN1140475C CN1140475C CNB011291672A CN01129167A CN1140475C CN 1140475 C CN1140475 C CN 1140475C CN B011291672 A CNB011291672 A CN B011291672A CN 01129167 A CN01129167 A CN 01129167A CN 1140475 C CN1140475 C CN 1140475C
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Classifications
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- 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
-
- 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
- Y02W10/20—Sludge processing
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- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to a technology method for treating feces in toilet closets. The method comprises the following steps: firstly, anaerobic treatment is carried out on feces in an anaerobic chamber filled with high-quality anaerobic seed mud, and the feces are filtered in a filter chamber filled with a combined filling layer attached with an anaerobic microorganism film; secondly, the feces enter the combined filling layer attached with the anaerobic microorganism film and a contact oxidation chamber of an aeration device to bear aerobic treatment; the treated feces finally enter a disinfected water storage chamber after being disinfected by UV or O3 in a disinfection chamber, and then the feces are lifted to a high-position water tank by a water pump for toilet flushing. The present invention has the advantages of convenient operation, high efficiency, energy saving, water saving, suitable use according to places and time, sanitation and cleanness, is favorable for environmental protection and is suitable for treating faces in movable and fixed toilets; the treated water can reach relative national standards and can be recycled as flushing water; digested organic residues can be periodically pumped out, and the digested organic residues are used as high-quality and sanitary organic fertilizers for flowers, grass, fruit and wood after simple treatment.
Description
Affiliated technical field: the invention belongs to the processing technology field of human excrement, specifically is a kind of lavatory dung urine handling method.
Background technology: in the prior art, all have many both at home and abroad about the treatment process of fecaluria and the report of device.The various technology of handling pig manure, chicken manure, human excrement are arranged.Itself or single method that adopts aeration add the microorganism of artificial culture mostly, but or its bacterial classification single, or its bacterial classification complexity, processing condition control is improper, handles not thoroughly thereby be directed at fecaluria, and produces a large amount of mud and finally can't promote the use of.As publication number is CN1309098A Chinese patent application file report: 5 sections, 122 kinds, the 22 strain complex microorganisms altogether of using artificial assembly voluntarily, decide strain through cultivating, aerobic, double gas and anaerobically fermenting decompose, precipitation, filter decolouring, the method of sterilization, this method is with aerobic degradation gasification and filtration, decolouring is for removing organic main body and key, comprise elementary decomposing pool, the fermentation decomposing pool, the second order fermentation decomposing pool is that the main reaction pond is all based on the aeration microbiological oxidation, three main reaction sections (aeration), because of the day aeration, stop night to expose to the sun, micropopulation wherein is in intermittently dissipate-swelling state, unstable and the reduction of function, and the excess sludge that this method forms is also more, can cause the obstruction fault of the follow-up filtration and the multistage workshop section of decolouring.
The objective of the invention is in order to overcome the defective of prior art, be convenient to operate for people provide a kind of, energy-efficient, water saving, can be because of ground, suit measures to differing conditions in terms of time, sanitation and hygiene, help protecting environment, be applicable to the activity and the fixing lavatory dung urine handling method in lavatory.
Summary of the invention: the objective of the invention is to realize by following technical proposals.
Lavatory of the present invention dung urine handling method, be at first fecaluria to be carried out anaerobic treatment between the anaerobism that is equipped with the high-quality anaerobic seed sludge, and by filtering between the filtration that is equipped with the combined stuffing layer that is attached with the anaerobion film, enter again to be equipped with between combined stuffing layer that is attached with the aerobic microbiological film and the catalytic oxidation that exposes to the sun device equipment and carry out aerobic treatment, at disinfection room with UV or O
3Enter at last after the sterilization between sterilized water stores, wherein, anaerobic treatment and filter and in closed system, carry out, leavening temperature time can be controlled in according to actual user in 15～30 ℃ the scope different seasons.
Above-mentioned closed system is the biogas that the anaerobism section produces, and being concentrated by airway derives, the gas scrubbing flame-retardant device through being connected again with airway, discharge after the washing deodorization or the washing deodorization after further guiding automatic combustor, the discharge of burning back.
Above-mentioned anaerobic treatment can be secondary or three grades of anaerobic treatment: be about to the excrement dirt and enter between the elementary anaerobism that is equipped with the high-quality anaerobic seed sludge (1) with wash-down water, it is decomposed by anaerobion hydrolysis liquefaction, fermentation; Entering between the secondary anaerobic that is equipped with same kind of mud after scalping is filtered is (2) further fermentation decomposition and gasification between Primary Fermentation; (3) make the sedimentation of anaerobic digestion mud between three grades of anaerobism by entering behind the filter screen, and fermented liquid continues gasification;
Between above-mentioned elementary anaerobism between (1) and secondary anaerobic between (2) or secondary anaerobic between (2) and three grades of anaerobism (3) also can merge between an anaerobism.
Above-mentioned three grades of anaerobic digestion solutions can enter liquid-solid compartment (4) again, make digestion mud solid substance further settlement separate.
Above-mentioned filtration can be designed as secondary anaerobic and filters, and promptly enters (5), (6) between the secondary anaerobic filtration through settlement separate anaerobic digestion solution, makes further degraded gasification rapidly of dissolved organic matter by the combined stuffing layer that adheres to the anaerobion film;
Above-mentioned aerobic treatment can be designed as the secondary aerobic treatment, the remaining dissolved organic matter that contains after promptly between secondary anaerobic filters enters (7), (8) between the two-stage biological contact oxidation that the combined stuffing layer that is attached with the aerobic microbiological film is set by water distributor with the anaerobism water outlet, and handle through aeration, make the remaining further aerobic degradation of dissolved organic matter, gasification;
Above-mentioned water through aerobic treatment between two-stage biological contact oxidation can enter disinfection room again behind screen filtration, through UV or O
3Enter after the sterilization between the sterilized water storage, flush the toilet to elevated tank is standby by water pump lifting again.
Above-mentioned high-quality anaerobic seed sludge is meant anaerobic sludge is cultivated on human urine, and the bacterium mud that the suitable human urine that the domestication enrichment forms is handled can prepare or buy and get.
Its start-up course was when above-mentioned high-quality anaerobic seed sludge used:
1, under system tries the water the condition of gas testing, fill up water earlier, be heated to simultaneously about 28 ℃, constant temperature is at 25 ℃～28 ℃.
2, between elementary anaerobically fermenting 1 and B grade anaerobic fermentation between 2, drop into supporting high-quality anaerobic seed sludge 20%～25%W/W (bacterium mud TS content is that solid content is in about 30%).
3, constant temperature culture 3～5 days after bacterium mud is gone into the pond starts the flushing of small amount of recycled water, can advance a small amount of human excrement.Cultivate after 3～5 days, but underrun.
In the technical scheme of the present invention, bacterium mud (inoculation is used) is on unique culture substrate from the high-quality anaerobic sludge of multi-source at human urine, and the domestication enrichment goes out special-purpose microorganism mixed culture.It is a huge microbial population of having a liking for human excrement, based on four big class anaerobic digestion functional floras, also includes hold concurrently oxygen animalcule and aerobic microbiological.This bacterium mud, general once fills up when start-up system, need not continue later on to add.
In the technical scheme of the present invention, the bacterium condition of microbiological treatment: divide anaerobic and aerobic two portions.Wherein: anaerobism section microorganism is all from inoculation bacterium mud, also from human excrement (carrying a large amount of microorganisms); The aerobic section microorganism is from anaerobism section bacterium mud, but under aeration condition, the survival of the fittest was eliminated a little less than strong the victory, and the microorganism of strictly anaerobic is eliminated, and facultative and aerobic microorganism attached on the filler that hangs, is formed microbial film by enrichment.Aerobic microbiological is and the micropopulation of anaerobion fundamental difference, and the former has a liking for oxygen, and end product is the CO of oxidation
2, NO
2, NO
3, N
2, SO
3, SO
4, every removal 1KgBOD (organism), it is about 40%～60% that activated sludge process is produced mud, and the latter is not only not aerobic but also detest oxygen, end product is the CH of reduction and fermentation
4, CO
2, NH
3, H
2S etc., every removal 1KGgBOD produces mud about 5%～10%.
In the technical scheme of the present invention, be based on anaerobism, comprise between elementary anaerobism 1, between secondary anaerobic between 2, three grades of anaerobism 3, be aided with liquid-solid compartment, ruin in a large number and separate and hold back the dirty solid substance of excrement, connect anaerobism filter between 4, secondary anaerobic filter between 5, with abundant degraded gasification dissolved organic matter.The anaerobism section can be removed the dirty organism of excrement more than 90%.Follow-up aerobic section, comprise between catalytic oxidation 7 and secondary oxidation between 8, make good use of oxygen animalcule the further oxidation of organism remaining in the anaerobism water outlet exhausted.Cultivate respectively and retain different superior microorganism groups with aerobic section is at different levels in that the anaerobism section is at different levels, under metastable condition, continue, synergy efficiently, the excrement dirt is close to exhausts.
In service, regularly press actual operating state more than three months, extract the excess sludge of a small amount of anaerobic digestion out.The latter is stabilization, does not multiply fly maggot, is rich in plant nutrition, through simply killing processing such as parasitic ovum, is the high-quality fertilizer of health, digests back to nature on the spot.
The biogas that produces is removed peculiar smell after washing, and partition directly is communicated with atmospheric, safeguards the anaerobic environment of anaerobism section first, second blocks the tempering hidden danger that extraneous burning things which may cause a fire disaster causes.For this reason, the system free from extraneous odour of making leaks, and irrigation is adopted in the lavatory in addition, and closet is divided into water seal, establishes simple and easy ventilation equipment again, and whole lavatory health difficulty has peculiar smell.The biogas of deriving enters biogas automatic combustor burning back and becomes CO
2And H
2The harmless discharge of O.
The present invention can adopt O
3, also can use UV method (ultra violet lamp) sterilization.
Have following characteristics with prior art than the present invention:
(1) the present invention is based on multistage anaerobism, and ruin and separate the dirty organism of excrement, the gasification deodorization, operational process is undertaken by the liquid level drop, need not external energy; For safeguarding constant temperature, need heating remedy lost heat energy, but good lagging facility is arranged, the concurrent heating amount is few during operation, and temperature need not complementary energy when higher or the few heat energy of compensating pole only.Aerobic in this law only is the dirt of the less than 10% of remnants in the water outlet of auxiliary treatment anaerobism.Therefore, the low energy-saving benefit height of this law energy consumption.
(2) anaerobic and aerobic of the present invention are at different levels all places metastable optimal conditions, help different superior microorganism colonies, efficient operation at one's own post, mutual coordinative role and are strengthened between each reactor and are safeguarded not only in each reactor.System is not only efficient, and stable.
(3) the present invention can obtain different anaerobic sludges and aerobic sludge everywhere from occurring in nature, abundant raw material, cost are low, the microorganism that these kinds are numerous and diverse, under different fermentation raw material (for example excrement dirt) and different envrionment conditions, can act synergistically naturally, bring up association---bacterium mud, the environment purification of the various microorganisms of having complementary advantages gradually.We cultivate bacterium mud synergy, and make it work under each envrionment conditions of optimizing, only are in order to strengthen the efficient and the stability of the process that nature had for a long time.
(4) the present invention can utilize methods such as screen cloth, baffling, swash plate and combined stuffing to be detained solid substance according to the rule of anaerobic digestion and aerobic treatment, is difficult for taking place operation and blocks, and fault is few.
(5) the present invention purifies waste water and can reach relevant national standard, and circulation at last is used to flush the toilet.
In a word, technique scheme be convenient to operate for people provide a kind of, energy-efficient, water saving, can be because of ground, suit measures to differing conditions in terms of time, sanitation and hygiene, help protecting environment, be applicable to the comings and goings and the fixing lavatory dung urine handling method in lavatory.
Further describe the present invention below by embodiment and accompanying drawing, the present invention is not limited only to described embodiment.
Description of drawings:
Accompanying drawing 1 is one of the apparatus structure synoptic diagram of a inventive method example, A, is the anaerobism section; B, be aerobic section.
Accompanying drawing 3 is the L shaped thin plate and the swash plate position view of accompanying drawing 1 liquid-solid compartment.
Among the figure: 1, between anaerobism; 2, between anaerobism; 3, between anaerobism; 4, liquid-solid compartment; 5, between anaerobism is filtered; 6, between anaerobism is filtered; 7, between catalytic oxidation; 8, between catalytic oxidation; 9, disinfection room; 10, casing; 11, dividing plate; 12, swash plate; 13, breach; 14, convex edge; 15, between sterilized water is stored; 16, fine screen mesh; 17, cloth tank; 18, the cloth tank overflows and flows to swash plate; 19, aerator; 20, UV fluorescent tube; 21, filtering net; 22, filtering net; 23, L shaped thin plate; 24, overflow weir; 25, the combined stuffing layer that adheres to the anaerobion film; 26, water distribution board; 27, water distribution board; 28, porous header; 29, top cover; 30, water sealed tank; 31, airway; 32, gas scrubbing flame-retardant device; 33, porous header; 34, the combined stuffing layer of good attachment oxygen animalcule film; 35, porous water distribution board; 36, porous water distribution board.
Embodiment:
Embodiment one
Shown in Fig. 1～2: at first, under system's (anaerobism) tries the water the condition of gas testing, fill up water earlier, be heated to 28 ℃ simultaneously, constant temperature is at 25 ℃～28 ℃; Then, between elementary anaerobically fermenting 1 and B grade anaerobic fermentation between 2, drop into supporting high-quality anaerobic seed sludge 20%～25%W/W (bacterium mud TS content is that solid content is in about 30%); Constant temperature culture is 3～5 days after bacterium mud is gone into the pond, starts the flushing of small amount of recycled water, can advance a small amount of human excrement, cultivates 3～5 days again.
After the high-quality anaerobic seed sludge started in (1), (2) between elementary anaerobism, the excrement dirt of lavatory, top is entered (1) between elementary anaerobism with wash-down water, in (1), the excrement dirt is liquefied by the anaerobion hydrolysis, and fermentation is decomposed, and solid substance diminishes.Fermented liquid enters (2) between secondary anaerobic by wide-meshed screen (21), and this is between Primary Fermentation, and in (2), tiny solid substance and rich soluble organism are by fermentation decomposition and gasification rapidly.The fermented liquid that only has a small amount of digested sludge and a small amount of dissolved organic matter advances between three grades of anaerobism (3) by screen cloth (22).In (3), the sedimentation of anaerobic digestion mud, fermented liquid continues gasification.Digestive system enters the liquid-solid compartment (4) that is made of a L shaped thin plate (23) and a swash plate (12) more from bottom to top.In (4), digestion mud solid substance is by further settlement separate.More clear anaerobic digestion solution enters the top of (5) between the anaerobism filtration by overflow weir (24), dirty in being attached with the combined stuffing layer (25) of anaerobion film, flow under the bottom water distribution board (27) of (6) between the secondary anaerobic filtration by porous water distribution board (26) again; Water distribution board (porous) (27) by (6) again, the upper reaches through with (5) in same combined stuffing layer, enter the porous header (28) of top.In (5) and (6), dissolved organic matter is by further degraded gasification rapidly between anaerobism is filtered.The biogas that the anaerobism section produces is closed between the water sealed tank (30) of the top cover (29) of lower edge and casing upper edge.The biogas nationality is borrowed the pressure that forms, and being concentrated by the airway on the top cover (31) derives.Gas scrubbing flame-retardant device (32) through connecting with airway is discharged after the washing deodorization again.Or the biogas automatic combustor that further leads, the discharging of burning back, heat energy is used for the water tank heating.
Between secondary anaerobic filters between the header (28) of (6) top and catalytic oxidation the water distributor (porous) (33) of (7) top communicate, remaining dissolved organic matter is dirty by water distributor with the anaerobism water outlet, combined stuffing layer (34) through good attachment oxygen animalcule film, water distribution board (porous) (35) by the bottom, enter under the water distribution board (porous) (36) of (8) bottom between two-stage biological contact oxidation, the upper reaches is by the combined stuffing layer identical with (7) again, and the fine screen mesh (16) that sees through the top enters the cloth tank (17) of disinfection room (9) top by wall through breach (13).In (7), (8), remaining dissolved organic matter is gasified by further aerobic degradation between catalytic oxidation, is close to exhaust.
Purifying waste water to overflow from the cloth tank flows to swash plate (18), forms sheet flow.UV fluorescent tube (20) irradiation is set, the strong disinfecting sterilization above swash plate.Between sterilized water is stored along the sterilized water of inflow bottom, swash plate lower end (15).By the water pump that is subjected to the hydraulic pressure automatic control, rise to standby the flushing the toilet of elevated tank in lavatory, top again.Purify waste water and to reach relevant national standard.
Claims (5)
1, a kind of lavatory dung urine handling method is characterized in that at first fecaluria being carried out anaerobic treatment between the anaerobism that is equipped with the high-quality anaerobic seed sludge; And by filtering between the filtration that is equipped with the combined stuffing layer that is attached with the anaerobion film; Enter then between the catalytic oxidation that is equipped with the combined stuffing layer that is attached with the aerobic microbiological film and aerator and carry out aerobic treatment; At disinfection room with UV or O
3Enter at last after the sterilization between the sterilized water storage, wherein, anaerobic treatment and filtration are carried out in closed system, leavening temperature is controlled in 15～30 ℃ the scope, above-mentioned water after aerobic treatment enters disinfection room again behind screen filtration, water between with water pump sterilized water being stored again rises to that elevated tank is standby flushes the toilet, above-mentioned closed system is the biogas that the anaerobism section produces, concentrate derivation by airway, again through the gas scrubbing flame-retardant device that is connected with airway, automatic combustor further leads after discharge or the washing deodorization after the washing deodorization, discharge the burning back, above-mentioned anaerobic treatment is divided into secondary or three grades of anaerobic treatment: the excrement dirt is entered between the elementary anaerobism that is equipped with the high-quality anaerobic seed sludge (1) with wash-down water, it is liquefied by the anaerobion hydrolysis, fermentation is decomposed; Entering between the secondary anaerobic that is equipped with same kind of mud after scalping is filtered is (2) further fermentation decomposition and gasification between Primary Fermentation; (3) make the sedimentation of anaerobic digestion mud between three grades of anaerobism by entering behind the filter screen, and fermented liquid continues gasification.
2, lavatory according to claim 1 dung urine handling method, it is characterized in that being provided with liquid-solid compartment (4) between described anaerobism and between between filtering, the Digestive system after carrying out anaerobic treatment between anaerobism enters between filtration after liquid-solid compartment (4) makes digestion mud solid substance further settlement separate again and filters.
3, lavatory according to claim 1 and 2 dung urine handling method, it is characterized in that described filter design is that secondary anaerobic filters: enter (5), (6) between the secondary anaerobic filtration through settlement separate anaerobic digestion solution, make further degraded gasification rapidly of dissolved organic matter by the combined stuffing layer that adheres to the anaerobion film.
4, according to claim 1 or 3 described lavatory dung urine handling methods, it is characterized in that described aerobic treatment is designed to the secondary aerobic treatment: the remaining dissolved organic matter that contains after promptly between secondary anaerobic filters enters (7), (8) between the two-stage biological contact oxidation that the combined stuffing layer that is attached with the aerobic microbiological film is set by water distributor with the anaerobism water outlet, and handle through aeration, make the remaining further aerobic degradation of dissolved organic matter, gasification.
5, lavatory according to claim 1 dung urine handling method, its start-up course is when it is characterized in that described high-quality anaerobic seed sludge uses:
A, under system tries the water the condition of gas testing, fill up water earlier, be heated to 28 ℃ simultaneously, constant temperature is at 25 ℃～28 ℃,
B, between elementary anaerobism 1 and secondary anaerobic between 2, drop into supporting high-quality anaerobic seed sludge 20%～25%W/W (bacterium mud TS content is that solid content is in 30%),
C, after bacterium mud is gone into the pond constant temperature culture 3～5 days, start the flushing of small amount of recycled water, can advance a small amount of human excrement, cultivate after 3～5 days, but underrun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011291672A CN1140475C (en) | 2001-12-10 | 2001-12-10 | Toilet excrements treating process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011291672A CN1140475C (en) | 2001-12-10 | 2001-12-10 | Toilet excrements treating process |
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| Publication Number | Publication Date |
|---|---|
| CN1349939A CN1349939A (en) | 2002-05-22 |
| CN1140475C true CN1140475C (en) | 2004-03-03 |
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|---|---|---|---|
| CNB011291672A Expired - Fee Related CN1140475C (en) | 2001-12-10 | 2001-12-10 | Toilet excrements treating process |
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| CN109809645A (en) * | 2019-03-21 | 2019-05-28 | 四川泰合泰环境工程有限公司 | A kind of the night soil treatment system and its technique of not power consumption |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100368323C (en) * | 2005-09-14 | 2008-02-13 | 周毅 | In situ composite reaction treatment device for life effluent and dejecta effluent |
| CN100439263C (en) * | 2006-02-24 | 2008-12-03 | 郑俊 | High efficiency, low energy consumption waste water treating and reutilizing process |
| CN101830608B (en) * | 2010-05-20 | 2011-11-09 | 北京交通大学 | Train closed-type toilet urinal fecal sewage integrated treater and treating method thereof |
| CN103539313A (en) * | 2012-07-08 | 2014-01-29 | 安徽阜阳永志环能工程有限公司 | Public toilet anaerobic purifier |
| CN103739166A (en) * | 2014-01-10 | 2014-04-23 | 王凤蕊 | Method and device for treating water drained from kitchens and bathrooms |
| CN104743665B (en) * | 2014-12-17 | 2017-02-22 | 中国航天员科研训练中心 | Experimental device for microbiological treatment of urine wastewater |
| CN105133866A (en) * | 2015-08-25 | 2015-12-09 | 黄伟 | Environment-friendly ecological toilet |
| CN108358376A (en) * | 2017-01-26 | 2018-08-03 | 袁民建 | A kind of settlement waste water for generating electricity accumulation of energy, resource recycling utilize technology application system |
| CN108439701B (en) * | 2018-03-19 | 2020-11-10 | 同济大学 | Zero-emission sewage treatment system for toilet excrement treatment |
| SG10201807199WA (en) * | 2018-08-24 | 2019-09-27 | Scg Chemicals Co Ltd | Waste treatment device |
| CN115231791A (en) * | 2022-09-23 | 2022-10-25 | 南京国荣环保科技有限公司 | Intelligent control system for degrading assembled public toilet containing microbial degradation balls |
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2001
- 2001-12-10 CN CNB011291672A patent/CN1140475C/en not_active Expired - Fee Related
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| CN109809645A (en) * | 2019-03-21 | 2019-05-28 | 四川泰合泰环境工程有限公司 | A kind of the night soil treatment system and its technique of not power consumption |
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