CN107129044A - The efficient process for reclaiming of manned spacecraft urine - Google Patents

The efficient process for reclaiming of manned spacecraft urine Download PDF

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Publication number
CN107129044A
CN107129044A CN201710407192.1A CN201710407192A CN107129044A CN 107129044 A CN107129044 A CN 107129044A CN 201710407192 A CN201710407192 A CN 201710407192A CN 107129044 A CN107129044 A CN 107129044A
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urine
container
ammonia
nitrogen
abfb
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CN107129044B (en
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李婷
艾为党
张良长
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Space Institute Of Southern China (shenzhen)
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Space Institute Of Southern China (shenzhen)
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/30Aerobic and anaerobic processes
    • C02F3/302Nitrification and denitrification treatment
    • C02F3/307Nitrification and denitrification treatment characterised by direct conversion of nitrite to molecular nitrogen, e.g. by using the Anammox process
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/105Phosphorus compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/16Nitrogen compounds, e.g. ammonia
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/30Organic compounds
    • C02F2101/38Organic compounds containing nitrogen
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/001Build in apparatus for autonomous on board water supply and wastewater treatment (e.g. for aircrafts, cruiseships, oil drilling platforms, railway trains, space stations)
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/008Mobile apparatus and plants, e.g. mounted on a vehicle
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/08Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/04Flow arrangements
    • C02F2301/046Recirculation with an external loop
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/06Sludge reduction, e.g. by lysis

Abstract

The present invention relates to a kind of efficient process for reclaiming of manned spacecraft urine, it comprises the following steps:By urine collecting into container;Urine in container is monitored, when the liquid level of urine in container stirs setting position higher than urine, starts to be stirred the urine in container, when the liquid level of urine stirs setting position less than urine, stopping is stirred to the urine in container;It is continuously increased with urine in container is flowed into, the liquid level of urine continues to be increased to the top that urine stirs setting position, when reaching that urine exports setting position, urine in container is delivered in anaerobic organism fluid bed ABFB handled in container.The purpose is to provide a kind of under the enzymatic reaction effect of gland enzyme to occur effectively hydrolyzing to larger molecular organicses and urea by hydrolysis acidification, realize the conversion to highly concentrated urine waste water, effectively improve urine waste water bio-degradable, and energy consumption is low, the efficient process for reclaiming of manned spacecraft urine of high treating effect.

Description

The efficient process for reclaiming of manned spacecraft urine
Technical field
The present invention relates to a kind of efficient process for reclaiming of manned spacecraft urine.
Background technology
Manned spacecraft tradition weight urine waste water is rich in ammonia nitrogen in high density and certain organic matter and phosphate, it is closed by In control system, urine waste water needs efficient process and at utmost reuse, water resource and N class material reuses is realized, to ensure flight The long-term high-efficiency operation of device, and ensure the daily metabolism of spacefarer.
At present, international space station and most of aircraft use physical chemistry method, and such as wet type high-temperature S removal, distillation are cold The method such as solidifying is handled urine waste water and reuse, but physical chemistry method processing load is low, specific energy consumption is high, appoints in short-term flight It is feasible in business, but for the manned spacecraft of long-term space operation, such as deep space resident system, energy consumption problem limitation physical chemistry method Using.Using ammonia nitrogen in high density, organic matter as based on portion phosphate of advocating peace in actual urine waste water, its concentration is respectively NH4 +-N: 200-1000mg/L, COD:3200—5100mg/L.Based on the component analysis of urine waste water, bioanalysis in theory completely may be used To meet the processing to urine waste water and reuse, and compared with physico-chemical process, bioanalysis energy consumption is low, meets longtime running demand.
Traditional Microbial denitrogenation degradation technique mainly includes two sections, and first paragraph is that ammonia nitrogen is converted into the case where nitrifier acts on Nitrate nitrogen;Second segment nitrate nitrogen is changed into nitrogen in the case where denitrifying bacteria acts on, and finally realizes urine denitrogenation of waste water.But the nitre of the technique Changing section need to make reaction system DO be maintained at higher level by being largely aerated;Secondly in denitrification section in the case of carbon source is not enough, Additional carbon is also needed, efficient denitrification denitrogenation could be realized.By comparison, short distance nitration/Anammox denitrification process is first By part mineralized nitrogen it is nitrite nitrogen by ammonia oxidizing bacteria (ammonia-oxidizing Bacteria, AOB), it is then surplus Remaining ammonia nitrogen and nitrite nitrogen is converted into nitrogen by anaerobic ammonia oxidizing bacteria and realizes the removal to nitrogen.The technique is a kind of simple and direct Approach of Removal of Nitrogen, there is not consume organic carbon source, reduction aeration quantity, relative to traditional denitrification process, operation energy consumption can Save 90% or so.In addition, the AAOB bacterium that short distance nitration and anaerobic ammonium oxidation process are related to belong to autotrophic bacterium with NAMMOX bacterium, Generation cycle is longer, and the discharge of excess sludge can be greatly decreased, and alleviates manned spacecraft confined space burden.
Therefore, according to urine waste water quality feature, and the energy consumption of biological short distance nitration/anaerobic ammonia oxidation process is low, throwing The advantage that medicine is few, excess sludge production is few, the present invention proposes a kind of urine process using short distance nitration/Anammox as core And reuse technology.
The content of the invention
It is an object of the invention to provide it is a kind of can by hydrolysis acidification to larger molecular organicses and urea gland enzyme enzymatic Effectively hydrolyzing occurs under reagentia, realizes the conversion to highly concentrated urine waste water, effectively improves urine waste water bio-degradable, And energy consumption is low, the efficient process for reclaiming of manned spacecraft urine of high treating effect.
The efficient process for reclaiming of manned spacecraft urine of the present invention, it comprises the following steps:
A, by urine collecting into container;
B, the urine in container is monitored, when the liquid level of urine in container stirs setting position higher than urine, opened Beginning is stirred to the urine in container, when the liquid level of urine stirs setting position less than urine, stops to the urine in container Liquid is stirred;
C, it is continuously increased with flowing into urine in container, the liquid level of urine continues to be increased to urine stirring setting in container The top of position, when reaching that urine exports setting position, starts urine in container being delivered in anaerobic organism fluid bed ABFB Handled using anaerobe, the organic nitrogen in urine is converted into inorganic nitrogen, and remove the COD in urine;
D, the urine for treating process anaerobic organism fluid bed ABFB drainage in the way of flowing automatically enter integrated nitrous DO in change/ammonia oxidation reactor AHAN, control integration nitrosation/ammonia oxidation reactor AHAN allows in urine in 1-2mg/L Part ammonia nitrogen be converted into nitrite in the presence of ammonia oxidizing bacteria, and using anaerobic ammonia oxidizing bacteria by nitrous acid in waste water Salt nitrogen and remaining ammonia nitrogen are converted into nitrogen and reclaimed together, to supplement the nitrogen in manned vehicle confined space;
E, by the partial sludge mixed-liquor return in integrated nitrosation/ammonia oxidation reactor AHAN to anaerobic fluidized bed It is interior, to realize the minimizing of sludge, while by nitrite and the short-cut denitrification of organic matter, to improve the de- of whole system Nitrogen effect;
F, the drainage entrance in the way of flowing automatically by the urine treated by integration nitrosation/ammonia oxidation reactor AHAN Aerobic support type membrane bioreactor AMBR, aerobic support type membrane bioreactor AMBR pass through compressed air cylinder or pure oxygen gas cylinder Input air or oxygen, the organic matter of the residual allowed in urine at utmost mineralising, residual ammonia nitrogen are converted into nitrate nitrogen, are met Plant nutrition liquid reuse liquid;
G, by the partial sludge mixed-liquor return in aerobic support type membrane bioreactor AMBR to anaerobic fluidized bed interior, with The minimizing of sludge is realized, the denitrification effect of whole system is improved;
H, by what step F was obtained plant nutrition liquid reuse fluid storage is met in water tank, it is standby.
Further, the microorganism in the anaerobic organism fluid bed ABFB be hydrolysis acidification bacterium and/or fusobacterium and/or Microorganism in bacillus and/or genus lactubacillus, integrated nitrosation/ammonia oxidation reactor AHAN is ammonia oxidizing bacteria (Ammonia-oxidizing Bacteria, AOB) and anaerobic ammonia oxidizing bacteria (Anammox).
Further, the bottom in the anaerobic organism fluid bed ABFB is equipped with interior circulation water distribution in the horizontal direction Pipe, the delivery port of pipeline of the water inlet of interior circulation water distribution with being in series with internal circulation water pump is connected, and is in series with interior circulation water The water inlet of the pipeline of pump is connected with anaerobic organism fluid bed ABFB inner chamber;In anaerobic organism fluid bed ABFB vertically Provided with multiple deflectors, anaerobic organism fluid bed ABFB top is provided with Waste gas outlet, and Waste gas outlet is cut by being in series with The pipeline of door is connected with the air inlet of waste gas collecting system.
Further, the bottom in the integrated nitrosation/ammonia oxidation reactor AHAN is equipped with cruelly in the horizontal direction Qi leel stringing, the air inlet of sudden and violent qi leel stringing is by being in series with the pipeline of gas flowmeter and the gas tank phase filled with air or oxygen Even;Integrated nitrosation/ammonia oxidation reactor AHAN top is provided with Waste gas outlet, and Waste gas outlet is by being in series with pipe valve Pipeline be connected with the air inlet of waste gas collecting system;
Bottom in the aerobic support type membrane bioreactor AMBR is equipped with sudden and violent qi leel stringing, sudden and violent gas in the horizontal direction The air inlet of distributor pipe is connected by pipeline with the gas tank filled with air or oxygen;In aerobic support type membrane bioreactor AMBR Vertically it is provided with multiple deflectors.
Further, the urine in the container is by being in series with the Pipeline transport of water pump to anaerobic organism fluid bed ABFB It is interior.
The efficient process for reclaiming of manned spacecraft urine of the present invention, has the advantages that following prominent:
(1) high efficiency.The anaerobism section of the present invention can by hydrolysis acidification to larger molecular organicses and urea gland enzyme enzyme Promote that effectively hydrolyzing occurs under reagentia, realize the conversion to highly concentrated urine waste water, effectively improve urine waste water bio-degradable Property.
(2) low consumption.Denitrogenation is carried out present invention employs the method for short distance nitration/Anammox, this method aeration is strong Spend low, sludge growth cycle length, be not required to additional carbon, in the presence of autotrophic microbe, Microbial denitrogenation is realized, with other things Change method is compared with traditional biological denitrogenation, and energy consumption of the present invention is relatively low.
(3) reliability.The present invention is finally employing guarantee of the aerobic support type membrane bioreactor as whole technique Unit, carries out thoroughly removing and changing in this unit, has ensured that technique goes out to the organic matter and ammonia nitrogen that leading portion fails thoroughly to remove Meeting property of the water to plant nutrient demand.
Therefore, the efficient process for reclaiming of manned spacecraft urine of the invention has prominent substantive distinguishing features and significantly Progress.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, And can be practiced according to the content of specification, described in detail below with presently preferred embodiments of the present invention as after.
Embodiment
With reference to embodiment, the embodiment to the present invention is described in further detail.Following examples are used for Illustrate the present invention, but be not limited to the scope of the present invention.
The drawbacks of based on physico-chemical process and traditional biological method to urine wastewater treatment, and these methods and Long-term Manned Spaceflight The mismatch of device urine wastewater treatment demand, the present invention proposes a kind of efficient using Anammox as many of core Level biological treatment, it is main to use leading portion anaerobic hydrolysis, organic nitrogen is converted into using ammonia nitrogen as main inorganic nitrogen, and remove big portion Divide COD;Stage casing uses short distance nitration/Anammox, is nitrite by part mineralized nitrogen, then makes residual ammonia nitrogen and Asia Nitrate nitrogen is reacted, and produces nitrogen, completes denitrogenation;Back segment uses aerobic unit, and the thorough mineralising of organic matter to residual is removed, to residual Ammonia nitrogen be thoroughly converted into nitrate, as the plant nutrition liquid reuse of manned spacecraft plant cabin after processing, realize urine waste water Reuse.
The efficient process for reclaiming of manned spacecraft urine of the present invention, it comprises the following steps:
A, by urine collecting into container;
B, the urine in container is monitored, when the liquid level of urine in container stirs setting position higher than urine, opened Beginning is stirred to the urine in container, when the liquid level of urine stirs setting position less than urine, stops to the urine in container Liquid is stirred;
C, it is continuously increased with flowing into urine in container, the liquid level of urine continues to be increased to urine stirring setting in container The top of position, when reaching that urine exports setting position, starts urine in container being delivered in anaerobic organism fluid bed ABFB Handled using anaerobe, the organic nitrogen in urine is converted into inorganic nitrogen, and remove the COD in urine;
D, will by anaerobic organism fluid bed (ABFB, Anaerobic Biological Fluidized Bed) treat Urine in the way of flowing automatically drainage enter integration nitrosation/ammonia oxidation reactor AHAN, control integration nitrosation/ammonia oxygen Change the DO in reactor A HAN in 1-2mg/L, the part ammonia nitrogen allowed in urine is converted into nitrous in the presence of ammonia oxidizing bacteria Hydrochlorate, and waste water Nitrite Nitrogen and remaining ammonia nitrogen are converted into nitrogen together using anaerobic ammonia oxidizing bacteria and reclaimed, to mend The nitrogen filled in manned vehicle confined space;
E, by the partial sludge mixed-liquor return in integrated nitrosation/ammonia oxidation reactor AHAN to anaerobic fluidized bed It is interior, to realize the minimizing of sludge, while by nitrite and the short-cut denitrification of organic matter, to improve the de- of whole system Nitrogen effect;
F, will by the treated urine of integrated nitrosation/ammonia oxidation reactor (AHAN, Sharon-Anammox) with The mode drainage of gravity flow enters aerobic support type membrane bioreactor AMBR, and aerobic support type membrane bioreactor AMBR passes through pressure Contracting air tank or pure oxygen gas cylinder input air or oxygen, the organic matter of the residual allowed in urine at utmost mineralising, remain ammonia nitrogen Nitrate nitrogen is converted into, plant nutrition liquid reuse liquid is met;
G, by aerobic support type membrane bioreactor (AMBR, Aerated Membrane Biological Reactor) Interior partial sludge mixed-liquor return is to anaerobic fluidized bed interior, to realize the minimizing of sludge, improves the denitrogenation effect of whole system Really;
H, by what step F was obtained plant nutrition liquid reuse fluid storage is met in water tank, it is standby.
As a further improvement on the present invention, the microorganism in above-mentioned anaerobic organism fluid bed ABFB is hydrolysis acidification bacterium And/or fusobacterium and/or bacillus and/or genus lactubacillus, micro- life in integrated nitrosation/ammonia oxidation reactor AHAN Thing is ammonia oxidizing bacteria (Ammonia-oxidizing Bacteria, AOB) and anaerobic ammonia oxidizing bacteria (Anammox).
As a further improvement on the present invention, the bottom in above-mentioned anaerobic organism fluid bed ABFB is equipped with the horizontal direction Interior circulation water distribution, the delivery port of pipeline of the water inlet of interior circulation water distribution with being in series with internal circulation water pump is connected, string The water inlet for being associated with the pipeline of internal circulation water pump is connected with anaerobic organism fluid bed ABFB inner chamber;Anaerobic organism fluid bed ABFB Multiple deflectors are inside vertically provided with, anaerobic organism fluid bed ABFB top is provided with Waste gas outlet, Waste gas outlet It is connected by being in series with the pipeline of pipe valve with the air inlet of waste gas collecting system.
As a further improvement on the present invention, the bottom Yan Shui in above-mentioned integrated nitrosation/ammonia oxidation reactor AHAN Square to being equipped with sudden and violent qi leel stringing, the air inlet of sudden and violent qi leel stringing by be in series with the pipeline of gas flowmeter with filled with air Or the gas tank of oxygen is connected;Integrated nitrosation/ammonia oxidation reactor AHAN top is provided with Waste gas outlet, Waste gas outlet It is connected by being in series with the pipeline of pipe valve with the air inlet of waste gas collecting system;
Bottom in the aerobic support type membrane bioreactor AMBR is equipped with sudden and violent qi leel stringing, sudden and violent gas in the horizontal direction The air inlet of distributor pipe is connected by pipeline with the gas tank filled with air or oxygen;In aerobic support type membrane bioreactor AMBR Vertically it is provided with multiple deflectors.
As a further improvement on the present invention, the urine in said vesse is by being in series with the Pipeline transport of water pump to anaerobism In biological fluidized bed ABFB.
Described above is only the preferred embodiment of the present invention, is not intended to limit the invention, it is noted that for this skill For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is some improvement and Modification, these improvement and modification also should be regarded as protection scope of the present invention.

Claims (5)

1. the efficient process for reclaiming of manned spacecraft urine, it is characterised in that comprise the following steps:
A, by urine collecting into container;
B, the urine in container is monitored, when the liquid level of urine in container stirs setting position higher than urine, started pair Urine in container is stirred, and when the liquid level of urine stirs setting position less than urine, stopping is entered to the urine in container Row stirring;
C, it is continuously increased with flowing into urine in container, the liquid level of urine continues to be increased to urine stirring setting position in container Top, reach urine export setting position when, start by urine in container be delivered in anaerobic organism fluid bed ABFB utilize Anaerobe is handled, and the organic nitrogen in urine is converted into inorganic nitrogen, and remove the COD in urine;
D, the urine for treating process anaerobic organism fluid bed ABFB drainage in the way of flowing automatically enter integrated nitrosation/ammonia DO in oxidation reactor AHAN, control integration nitrosation/ammonia oxidation reactor AHAN allows the portion in urine in 1-2mg/L Divide ammonia nitrogen to be converted into nitrite in the presence of ammonia oxidizing bacteria, and utilize anaerobic ammonia oxidizing bacteria by waste water Nitrite Nitrogen Nitrogen is converted into together with remaining ammonia nitrogen and is reclaimed, to supplement the nitrogen in manned vehicle confined space;
E, by the partial sludge mixed-liquor return in integrated nitrosation/ammonia oxidation reactor AHAN to anaerobic fluidized bed interior, with The minimizing of sludge is realized, while by nitrite and the short-cut denitrification of organic matter, being imitated with the denitrogenation for improving whole system Really;
F, the urine for treating process integration nitrosation/ammonia oxidation reactor AHAN drainage in the way of flowing automatically enter aerobic Support type membrane bioreactor AMBR, aerobic support type membrane bioreactor AMBR are inputted by compressed air cylinder or pure oxygen gas cylinder Air or oxygen, the organic matter of the residual allowed in urine at utmost mineralising, residual ammonia nitrogen is converted into nitrate nitrogen, is met plant Nutrient solution reuse liquid;
G, by the partial sludge mixed-liquor return in aerobic support type membrane bioreactor AMBR to anaerobic fluidized bed interior, to realize The minimizing of sludge, improves the denitrification effect of whole system;
H, by what step F was obtained plant nutrition liquid reuse fluid storage is met in water tank, it is standby.
2. the efficient process for reclaiming of manned spacecraft urine according to claim 1, it is characterised in that:The anaerobism life Microorganism in fluidized beds ABFB is hydrolysis acidification bacterium and/or fusobacterium and/or bacillus and/or genus lactubacillus, one Microorganism in body nitrosation/ammonia oxidation reactor AHAN is ammonia oxidizing bacteria and anaerobic ammonia oxidizing bacteria.
3. the efficient process for reclaiming of manned spacecraft urine according to claim 2, it is characterised in that:The anaerobism life Bottom in fluidized beds ABFB is equipped with interior circulation water distribution, the water inlet and string of interior circulation water distribution in the horizontal direction The delivery port for being associated with the pipeline of internal circulation water pump is connected, and the water inlet for being in series with the pipeline of internal circulation water pump is fluidized with anaerobic organism Bed ABFB inner chamber is connected;Multiple deflectors, anaerobic organism fluid bed are vertically provided with anaerobic organism fluid bed ABFB ABFB top is provided with Waste gas outlet, and Waste gas outlet is by being in series with the pipeline of pipe valve and the air inlet of waste gas collecting system It is connected.
4. the efficient process for reclaiming of manned spacecraft urine according to claim 1 or 2 or 3, it is characterised in that:It is described Bottom in integrated nitrosation/ammonia oxidation reactor AHAN is equipped with sudden and violent qi leel stringing in the horizontal direction, sudden and violent qi leel stringing Air inlet is connected by being in series with the pipeline of gas flowmeter with the gas tank filled with air or oxygen;Integrated nitrosation/ammonia oxygen The top for changing reactor A HAN is provided with Waste gas outlet, and Waste gas outlet is by being in series with the pipeline and waste gas collecting system of pipe valve Air inlet be connected;
Bottom in the aerobic support type membrane bioreactor AMBR is equipped with sudden and violent qi leel stringing, sudden and violent qi leel cloth in the horizontal direction The air inlet of pipe is connected by pipeline with the gas tank filled with air or oxygen;Along perpendicular in aerobic support type membrane bioreactor AMBR Nogata is to provided with multiple deflectors.
5. the efficient process for reclaiming of manned spacecraft urine according to claim 4, it is characterised in that:In the container Urine by being in series with the Pipeline transport of water pump in anaerobic organism fluid bed ABFB.
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CN106587491A (en) * 2016-12-02 2017-04-26 北京交通大学 Wastewater centralized treatment system and method for toilet wastewater collectors of high-speed railway passenger cars

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