CN216273626U - Closed system for hydrogen production and hydrogenation of sewage and sludge in sewage plant - Google Patents
Closed system for hydrogen production and hydrogenation of sewage and sludge in sewage plant Download PDFInfo
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- CN216273626U CN216273626U CN202122829563.XU CN202122829563U CN216273626U CN 216273626 U CN216273626 U CN 216273626U CN 202122829563 U CN202122829563 U CN 202122829563U CN 216273626 U CN216273626 U CN 216273626U
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 146
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 146
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 139
- 239000010865 sewage Substances 0.000 title claims abstract description 108
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 81
- 239000010802 sludge Substances 0.000 title claims abstract description 48
- 238000005984 hydrogenation reaction Methods 0.000 title claims abstract description 19
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910001868 water Inorganic materials 0.000 claims abstract description 29
- 239000002918 waste heat Substances 0.000 claims abstract description 24
- 238000003860 storage Methods 0.000 claims abstract description 21
- 238000004146 energy storage Methods 0.000 claims abstract description 18
- 238000000855 fermentation Methods 0.000 claims abstract description 15
- 238000011084 recovery Methods 0.000 claims description 24
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 22
- 239000000446 fuel Substances 0.000 claims description 18
- 230000029087 digestion Effects 0.000 claims description 15
- 238000001035 drying Methods 0.000 claims description 11
- 238000000629 steam reforming Methods 0.000 claims description 9
- 238000005273 aeration Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 22
- 230000008569 process Effects 0.000 abstract description 17
- 238000004064 recycling Methods 0.000 abstract description 14
- 150000002431 hydrogen Chemical class 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 5
- 230000008929 regeneration Effects 0.000 abstract 1
- 238000011069 regeneration method Methods 0.000 abstract 1
- 238000010248 power generation Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 208000005156 Dehydration Diseases 0.000 description 2
- 238000005842 biochemical reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
Abstract
The utility model relates to a closed system for hydrogen production and hydrogenation of sewage and sludge in a sewage plant, which is characterized in that: the device comprises a photovoltaic cell array plate, a sewage pretreatment unit, a sewage electrolysis hydrogen production unit, a sludge anaerobic fermentation hydrogen production unit and a hydrogen storage tank. The utility model has scientific and reasonable design, can realize hydrogen production and energy storage from solar photovoltaic renewable energy sources and off-peak electricity utilization by using urban and rural sewage treatment plants, realizes the construction of a hydrogen production station to the minimum distance and the commercial utilization of hydrogen, and solves the problem of high storage and transportation cost from the most critical hydrogen production to the application of the hydrogen station in the process of popularizing and applying the hydrogen energy. Meanwhile, the method realizes water resource recycling, sludge treatment and recycling, gas recycling and waste heat recycling in the processes of hydrogen production and energy storage, and realizes closed treatment of sewage recycling and energy regeneration.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, relates to a sewage hydrogen production device, and particularly relates to a closed system for hydrogen production and hydrogenation of sewage and sludge in a sewage plant.
Background
The hydrogen energy is ideal clean secondary energy, hydrogen is produced by renewable energy, hydrogen is stored by hydrogen storage materials, and the hydrogen fuel cell is used for generating electricity, so that a 'net zero emission' sustainable hydrogen energy system is formed, and an important path for realizing 'deep decarburization' besides the renewable energy is formed. Currently, more and more countries and institutions are invested in research and project development of large renewable energy sources for hydrogen production. The scale of the global hydrogen production project of renewable energy sources is rapidly expanded, the hydrogen production project is increased from 320 ten thousand kilowatts in 10 months in 2019 to 820 ten thousand kilowatts at the end of 3 months in 2020, and the single capacity of the newly added project under construction is 10 ten thousand kilowatts and above.
In recent years, hydrogen energy is used as a new energy source and gradually enters the middle-long term planning field of China's central government and local government. Although the development of the hydrogen energy industry in China has a certain foundation, the development problem of energy in China needs to be solved, the huge potential of hydrogen energy in energy transformation in China is developed, and a plurality of practical problems and challenges need to be solved urgently.
The construction layout of hydrogen energy infrastructure, especially a hydrogen station, limits the scale of hydrogen energy economy to a great extent and restricts the market development of hydrogen energy automobiles. The layout of the hydrogen refueling station and related infrastructure can be implemented quickly, and the layout depends on the cost of hydrogen and the scale in the transportation, storage and operation processes of the hydrogen refueling station. Hydrogen needs to be prepared for the second time; the cost of each link of hydrogen transportation and hydrogen storage of hydrogen is high; the hydrogen quality is light; and therefore subject to transportation radius limitations based on transportation costs. The hydrogen transportation cost is high, so that the investment of the infrastructure such as a hydrogenation station is large and the income is low. Governments have to promote the scaling of the hydrogen energy industry through subsidies. Urban and rural sewage treatment facilities have low benefits for a long time, and a large amount of produced water treated by high standards is not fully utilized, so that huge water resource waste is caused. The sludge water content in the sewage treatment process is high, the dehydration treatment cost is high, and the landfill and incineration treatment are not convenient. The energy consumption cost of air aeration is high, and the aeration precision is difficult to control. The low dissolved oxygen content causes poor impact resistance of the aerobic process.
Based on the problems existing in the processes of hydrogen production by renewable energy sources, gas source cost of a hydrogen station, energy storage and power generation by fuel cells, sewage and sludge treatment, the utility model relates to a closed one-stop hydrogen production by utilization, energy storage and power generation by fuel cells, sewage and sludge treatment system and process method, which acquire energy by setting photovoltaic power generation in a sewage treatment plant, and the sewage treated by water electrolysis can realize the green hydrogen production and the hydrogen station construction with the nearest distance of a use end. The sewage electrolysis is carried out by urban and rural sewage treatment plants through photovoltaic power generation to prepare hydrogen, a hydrogen adding station is best to be built nearby, the power generation waste heat of the oxyhydrogen fuel cell can be used as a heat source of an activated sludge anaerobic reactor and low-temperature drying of a sewage plant while green hydrogen is produced, an oxygen byproduct generated by hydrogen production through electrolysis can be used as aeration gas of aerobic biochemical reaction, the air aeration energy consumption is reduced, and the aerobic biochemical reaction effect and speed are improved. Green hydrogen production, a hydrogenation station and fuel cell energy storage power generation are comprehensively considered with the geographical position, energy utilization and waste heat utilization of a sewage treatment plant, so that an integrally solved system and process are realized, and the popularization and application of clean energy and benefit improvement in the sewage treatment process are well realized. The utility model relates to a system and a process method which are not only favorable for rapidly popularizing the construction and the application of clean energy infrastructure, but also take into account the benefit improvement of sewage treatment facilities. The burden of new energy infrastructure government subsidies is reduced, and the carbon emission is reduced to protect the environment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, provides a closed system for hydrogen production and hydrogenation of sewage and sludge in a sewage plant, breaks through the defects of the prior hydrogen production, storage, transportation and hydrogenation technologies, is beneficial to rapidly popularizing the construction and application of clean energy infrastructure, and is beneficial to improving the benefit of sewage treatment facilities, reducing the burden of government subsidies of new energy infrastructure and reducing carbon emission to protect the environment.
The technical problem to be solved by the utility model is realized by the following technical scheme:
the closed system for hydrogen production and hydrogenation of sewage and sludge in a sewage plant is characterized in that: the system comprises a photovoltaic cell array plate, a sewage pretreatment unit, a sewage electrolysis hydrogen production unit, a sludge anaerobic fermentation hydrogen production unit, a hydrogen storage tank and a waste heat recovery unit, wherein the sewage pretreatment unit is respectively connected to the sewage electrolysis hydrogen production unit and the sludge anaerobic fermentation hydrogen production unit, the sewage electrolysis hydrogen production unit and the sludge anaerobic fermentation hydrogen production unit are both connected to the hydrogen storage tank, and the photovoltaic cell array plate is connected to the sewage electrolysis hydrogen production unit; the sewage pretreatment unit comprises a sewage tank, a clean water tank and a pretreatment tank which are connected in sequence; the sludge anaerobic fermentation hydrogen production unit comprises a sludge tank, a high-temperature anaerobic digestion tank and a methane steam reforming reaction furnace which are connected in sequence; the sewage electrolysis hydrogen production unit and the methane steam reforming reaction furnace are both connected to the waste heat recovery unit, and the waste heat recovery unit is connected to the high-temperature anaerobic digestion tank.
And, still include energy storage group battery and fuel cell, fuel cell and photovoltaic cell array board all are connected to the energy storage group battery, the energy storage group battery is connected to sewage electrolysis hydrogen unit, fuel cell is connected to hydrogen storage tank and waste heat recovery unit.
And the system also comprises a low-temperature sludge drying unit, wherein the high-temperature anaerobic digestion tank is connected to the low-temperature sludge drying unit, and the low-temperature sludge drying unit is connected to the waste heat recovery unit.
And the sewage electrolysis hydrogen production unit is connected to the sewage tank through an aerobic aeration tank.
Also, the thermophilic anaerobic digestion tank is connected to the lagoon.
And the system also comprises a water outlet recovery unit, and the sewage pretreatment unit and the sewage electrolysis hydrogen production unit are connected to the water outlet recovery unit.
The utility model has the advantages and beneficial effects that:
the utility model can realize hydrogen production and energy storage from solar photovoltaic renewable energy sources and off-peak electricity utilization by using urban and rural sewage treatment plants, realize the commercial utilization of hydrogen at a minimum distance hydrogenation station, and solve the problem of high transportation cost of hydrogen storage and transportation radius which is the most key in the process of popularizing and applying hydrogen energy. The closed system and the closed process have the advantages that water resource recycling, sludge treatment and recycling, gas recycling and waste heat recycling are realized in the hydrogen production and energy storage processes, the key problems of green hydrogen production, nearby production, popularization and application of hydrogen energy are realized, cross complementation of new energy infrastructure and traditional municipal infrastructure is realized, and the fusion breakthrough of the sewage treatment technology and the new energy field is realized. Realizing renewable energy sources and off-peak electricity utilization hydrogen production by breakthrough implementation by utilizing municipal sewage treatment foundation; the key problem in the field of popularization and application of hydrogen energy sources with nearby hydrogen stations. And a new way of replacing the traditional energy source with the hydrogen energy source and realizing the carbon neutralization target is realized. Reducing environmental pollution and realizing the recycling of process products.
Drawings
FIG. 1 is a flow chart of the system of the present invention.
Detailed Description
The present invention is further illustrated by the following specific examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the utility model.
The closed system for hydrogen production and hydrogenation of sewage and sludge in a sewage plant is characterized in that: the system comprises a photovoltaic cell array plate, a sewage pretreatment unit, a sewage electrolysis hydrogen production unit, a sludge anaerobic fermentation hydrogen production unit, a hydrogen storage tank and a waste heat recovery unit, wherein the sewage pretreatment unit is respectively connected to the sewage electrolysis hydrogen production unit and the sludge anaerobic fermentation hydrogen production unit, the sewage electrolysis hydrogen production unit and the sludge anaerobic fermentation hydrogen production unit are both connected to the hydrogen storage tank, and the photovoltaic cell array plate is connected to the sewage electrolysis hydrogen production unit; the sewage pretreatment unit comprises a sewage tank, a clean water tank and a pretreatment tank which are connected in sequence; the sludge anaerobic fermentation hydrogen production unit comprises a sludge tank, a high-temperature anaerobic digestion tank and a methane steam reforming reaction furnace which are connected in sequence; the sewage electrolysis hydrogen production unit and the methane steam reforming reaction furnace are both connected to the waste heat recovery unit, and the waste heat recovery unit is connected to the high-temperature anaerobic digestion tank.
The system comprises a sewage electrolysis hydrogen production unit, a hydrogen storage tank, a waste heat recovery unit, an energy storage battery pack and a fuel cell, wherein the fuel cell and a photovoltaic cell array plate are connected to the energy storage battery pack, the energy storage battery pack is connected to the sewage electrolysis hydrogen production unit, and the fuel cell is connected to the hydrogen storage tank and the waste heat recovery unit.
The high-temperature anaerobic digestion tank is connected to the low-temperature sludge drying unit, and the low-temperature sludge drying unit is connected to the waste heat recovery unit.
The sewage electrolysis hydrogen production unit is connected to the sewage tank through the aerobic aeration tank.
The high-temperature anaerobic digestion tank is connected to the sewage tank.
The system also comprises a water outlet recovery unit, wherein the sewage pretreatment unit and the sewage electrolysis hydrogen production unit are connected to the water outlet recovery unit.
The working process of the utility model is as follows:
1) hydrogen production and energy storage: the photovoltaic cell array plate generates electricity by utilizing solar energy, the fuel cell converts hydrogen energy into electric energy, and the electric energy is stored into the energy storage battery pack to be used as an electric energy source of the sewage electrolysis hydrogen production unit;
2) sewage pretreatment and electrolytic hydrogen production: sewage in the sewage tank is connected into a clean water tank from a water outlet, clean water subjected to flocculation treatment in the clean water tank enters a pretreatment tank, pure water is generated by filtering through a low-pressure reverse osmosis membrane of the pretreatment tank and is conveyed to a sewage electrolysis hydrogen production unit to serve as a water source for hydrogen production through electrolysis, hydrogen, oxygen and water are obtained through electrolysis reaction, the hydrogen is conveyed to a hydrogen storage tank, the oxygen is connected to an aerobic aeration tank and is conveyed to the sewage tank to be recycled through oxygen-enriched gas, and the pure water generated by the sewage pretreatment unit and the sewage electrolysis hydrogen production unit is recycled or discharged through a water outlet recycling unit;
3) anaerobic fermentation of sludge to produce hydrogen: the method comprises the following steps that sludge generated in the industrial sewage treatment process is subjected to wall breaking treatment and then conveyed to a high-temperature anaerobic digestion tank, hydrogen, methane, concentrated water and residues are obtained through high-temperature anaerobic reaction, the methane is conveyed to a methane steam reforming reaction furnace, the obtained hydrogen is conveyed to a hydrogen storage tank through the steam reforming reaction furnace, the concentrated water flows back to a sewage tank for utilization, the residues enter a sludge low-temperature drying unit after being subjected to filter pressing, and are further subjected to dehydration and drying and then are utilized or incineration treatment;
4) hydrogen purification and storage: collecting and storing hydrogen generated by the sewage electrolysis hydrogen production unit and the sludge anaerobic fermentation hydrogen production unit into a hydrogen storage tank, and conveying the hydrogen to a hydrogenation station and a fuel cell for later use;
5) and (3) recycling waste heat: waste heat generated by the sewage electrolysis hydrogen production unit, the fuel cell and the methane steam reforming reaction furnace is recycled to the waste heat recovery unit to be recycled and used as heat sources of the high-temperature anaerobic digestion tank and the sludge low-temperature drying unit.
The method utilizes urban and rural sewage treatment plants to erect a photovoltaic power generation system, and obtains clean energy as water electrolysis hydrogen production energy; obtaining hydrogen from sewage subjected to water electrolysis treatment, obtaining hydrogen from biochemical sludge through anaerobic digestion and methane reforming, and purifying and conveying the hydrogen to serve as a hydrogen source for power generation of a hydrogenation station and a fuel cell which are arranged nearby; gas, electric energy, heat energy, water and residues generated in the process are recycled, and a closed treatment system for realizing recycling and energy recycling is formed.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the utility model and the appended claims, and therefore the scope of the utility model is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (6)
1. The closed system for hydrogen production and hydrogenation of sewage and sludge in a sewage plant is characterized in that: the system comprises a photovoltaic cell array plate, a sewage pretreatment unit, a sewage electrolysis hydrogen production unit, a sludge anaerobic fermentation hydrogen production unit, a hydrogen storage tank and a waste heat recovery unit, wherein the sewage pretreatment unit is respectively connected to the sewage electrolysis hydrogen production unit and the sludge anaerobic fermentation hydrogen production unit, the sewage electrolysis hydrogen production unit and the sludge anaerobic fermentation hydrogen production unit are both connected to the hydrogen storage tank, and the photovoltaic cell array plate is connected to the sewage electrolysis hydrogen production unit; the sewage pretreatment unit comprises a sewage tank, a clean water tank and a pretreatment tank which are connected in sequence; the sludge anaerobic fermentation hydrogen production unit comprises a sludge tank, a high-temperature anaerobic digestion tank and a methane steam reforming reaction furnace which are connected in sequence; the sewage electrolysis hydrogen production unit and the methane steam reforming reaction furnace are both connected to the waste heat recovery unit, and the waste heat recovery unit is connected to the high-temperature anaerobic digestion tank.
2. The closed system for hydrogen production and hydrogenation of sewage and sludge from sewage plants of claim 1, wherein: the system comprises a sewage electrolysis hydrogen production unit, a hydrogen storage tank, a waste heat recovery unit, an energy storage battery pack and a fuel cell, wherein the fuel cell and a photovoltaic cell array plate are connected to the energy storage battery pack, the energy storage battery pack is connected to the sewage electrolysis hydrogen production unit, and the fuel cell is connected to the hydrogen storage tank and the waste heat recovery unit.
3. The closed system for hydrogen production and hydrogenation of sewage and sludge from sewage plants of claim 1, wherein: the high-temperature anaerobic digestion tank is connected to the low-temperature sludge drying unit, and the low-temperature sludge drying unit is connected to the waste heat recovery unit.
4. The closed system for hydrogen production and hydrogenation of sewage and sludge from sewage plants of claim 1, wherein: the sewage electrolysis hydrogen production unit is connected to the sewage tank through an aerobic aeration tank.
5. The closed system for hydrogen production and hydrogenation of sewage and sludge from sewage plants of claim 1, wherein: the high-temperature anaerobic digestion tank is connected to the sewage tank.
6. The closed system for hydrogen production and hydrogenation of sewage and sludge from sewage plants of claim 1, wherein: the system also comprises a water outlet recovery unit, wherein the sewage pretreatment unit and the sewage electrolysis hydrogen production unit are connected to the water outlet recovery unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122829563.XU CN216273626U (en) | 2021-11-18 | 2021-11-18 | Closed system for hydrogen production and hydrogenation of sewage and sludge in sewage plant |
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| CN202122829563.XU CN216273626U (en) | 2021-11-18 | 2021-11-18 | Closed system for hydrogen production and hydrogenation of sewage and sludge in sewage plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477612A (en) * | 2021-11-18 | 2022-05-13 | 陕西福德电力科技股份有限公司 | Closed system and process method for hydrogen production and hydrogenation of sewage and sludge of sewage plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114477612A (en) * | 2021-11-18 | 2022-05-13 | 陕西福德电力科技股份有限公司 | Closed system and process method for hydrogen production and hydrogenation of sewage and sludge of sewage plant |
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