CN107840530A - Kitchen biogas liquor treating process and its special equipment - Google Patents
Kitchen biogas liquor treating process and its special equipment Download PDFInfo
- Publication number
- CN107840530A CN107840530A CN201710881371.9A CN201710881371A CN107840530A CN 107840530 A CN107840530 A CN 107840530A CN 201710881371 A CN201710881371 A CN 201710881371A CN 107840530 A CN107840530 A CN 107840530A
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- oil
- water
- sludge
- biogas
- kitchen
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Links
- 238000000034 method Methods 0.000 title claims abstract description 50
- 230000008569 process Effects 0.000 title claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000010802 sludge Substances 0.000 claims abstract description 33
- 238000005188 flotation Methods 0.000 claims abstract description 27
- 238000010521 absorption reaction Methods 0.000 claims abstract description 26
- 238000012545 processing Methods 0.000 claims abstract description 21
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 20
- 239000002002 slurry Substances 0.000 claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 claims abstract description 12
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 6
- 239000005416 organic matter Substances 0.000 claims abstract description 6
- 231100000719 pollutant Toxicity 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 239000000344 soap Substances 0.000 claims abstract description 6
- 238000005406 washing Methods 0.000 claims abstract description 5
- 239000004519 grease Substances 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 17
- 238000001179 sorption measurement Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 7
- 239000000706 filtrate Substances 0.000 claims description 6
- 239000002351 wastewater Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000002209 hydrophobic effect Effects 0.000 claims description 4
- 239000000839 emulsion Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 206010067868 Skin mass Diseases 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract 1
- 238000003912 environmental pollution Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000010813 municipal solid waste Substances 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 2
- 238000011953 bioanalysis Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004581 coalescence Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000003851 biochemical process Effects 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Water Treatments (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a kind of kitchen biogas liquor treating process and its special equipment, including air supporting, sludge absorption, filtering, biochemical 4 units, wherein, air flotation cell is mainly used in removing floating carburetion in kitchen biogas slurry, dispersed oil, suspended particulate substance；Sludge absorption unit is mainly used in removing the suspended oil in biogas slurry；Filter element is mainly used in further removing dissolved oil remaining in biogas slurry water, suspended particulate substance；Biochemical unit is for removing the pollutants such as the organic matter in biogas slurry, ammonia nitrogen.This kitchen biogas liquor treating process and its special equipment utilize a large amount of remaining progress sludge absorption oil removings discharged in existing biochemical system, not only reduce environmental pollution caused by mud discharging, oil removing cost is saved, and realize the recycling of sludge, the scum silica frost separated simultaneously can realize recycling after processing as production soap and the raw material of washing powder.
Description
Technical field
It is exactly specifically to be related to kitchen biogas liquor treating process and its special set the invention belongs to technical field of waste water processing
It is standby.
Background technology
With stepping up for Living consumption, kitchen garbage yield also increases sharply.Kitchen biogas slurry is kitchen rubbish
Rubbish passes through filtrate caused by anaerobic fermentation, is the biological organic fertilizer that a kind of widely known quick-acting of people has both with long-term effect
Material, containing the abundant necessary nutrient of agricultural production, can be used for crops, fruit tree, vegetables, flowers, industrial crops etc.
In the plantation of plant, but the content of material such as grease, COD, ammonia nitrogen, suspended particulate substance is higher in biogas slurry, if be not acted upon by
The high content grease in secondary pollution, especially biogas slurry is caused to be caused to follow-up biochemical treatment and film processing system unfavorable
Influence, thus it is significant to its effective processing.
Grease in kitchen biogas slurry mainly exists in the form of oil emulsion and dispersed oil, and contains a small amount of suspended oil and molten
Solution oil comes, it is necessary to be separated from the water.At present, traditional oily water separation technique has Physical, chemical method and bioanalysis.Thing
Logos mainly includes filtration method, absorption method, Bubble-floating Method, coalescence, membrane separation process etc.；Chemical method mainly includes flocculation sediment
Method, electrolysis, filtration method etc.；Bioanalysis mainly includes anaerobic process and aerobic method.Wherein, traditional absorption method is utilized containing more
The solid matter in hole makes the grease in water be attracted in hole so as to reach the purpose of removal, the active charcoal of conventional adsorbent
With macroporous absorbent resin, the adsorption effect of both adsorbents is preferable, but for the grease of high concentration, is easily saturated, regeneration is tired
It is difficult.Coalescence refers to allow the waste water containing grease filtering by the coarse grain footpath filtrate with hydrophobic oleophilic oil performance, grease absorption
Expect on surface, constantly form one layer of ink after aggregation, but the filtrate in the method is easily saturated, and is easily blocked, operational management compared with
To be cumbersome.The efficiency that membrane separation process removes grease is higher, but film is vulnerable to grease pollution and causes membrane flux to reduce, in addition, film
After surface adhesion grease, cleaning is also more difficult.Flocculent precipitation technical maturity, expense is low, but pharmaceutical quantities are big, works as variation water quality
When larger, treatment effect is poor, and can produce substantial amounts of chemical sludge.Electrolysis refers to by substantial amounts of tiny caused by electrolysis
Bubble is adsorbed in oil droplets, is allow oil droplet as bubble floats on the water surface together and is realized water-oil separating, the method grease
Clearance is higher, but power consumption is larger and device is complicated.
The content of the invention
The purpose of the present invention is aiming at technological deficiency existing for above-mentioned existing kitchen biogas liquor treating process, there is provided a kind of
Kitchen biogas liquor treating process and its special equipment, removed respectively by the group technology of " air supporting-sludge absorption-filtering-biochemistry "
Different types of grease in kitchen biogas slurry, influence of the grease to follow-up film processing system is reduced, is advantageous at successive depths
The progress of reason, and the scum silica frost separated can realize biogas slurry after processing as production soap and the raw material of washing powder
Recycling.
Technical scheme
In order to realize above-mentioned technical purpose, the present invention devises a kind of kitchen biogas liquor treating process, it is characterised in that it is wrapped
Include following steps：
(1) kitchen biogas liquid pump is entered into air-flotation system, carries out air-flotation process, remove oil emulsion in biogas slurry, dispersed oil, suspension
Particulate matter, obtain water outlet；
(2) water outlet in step (1) is adsorbed, the suspended oil gone in water removal, obtains adsorbing water outlet；
(3) by the absorption water outlet progress filtration treatment in step (2), the dissolved oil further gone in water removal, suspended particulate
Thing, obtain filtering water outlet；
(4) by the filtering water outlet progress biochemical treatment, the organic matter gone in water removal, ammonia nitrogen etc. in step (3), biochemistry is obtained
Water outlet.
Further, air supporting process is that enough micro-bubbles are passed through into waste water in the step (1), and bubble diameter is 10
Between~40 μm, these bubbles are in floating-upward process, the droplets contact in Yi Yushui, and float up to the water surface together, formed a large amount of
Scum silica frost, scum silica frost are post-processed into scum silica frost processing system, can be as production soap, the raw material of washing powder, clear liquid after processing
Into adsorption system, the hydraulic detention time of whole process only has 5~30min.
Further, the adsorption process in the step (2) is to utilize the suction for the excess sludge discharged in existing biochemical system
Attached property, under normal temperature condition, the suspended oil in water is subjected to physical absorption, so as to remove the grease in water removal.
Further, the filter process in the step (3) be under normal temperature condition, using hydrophobic oleophilic oil fibrous nodules or
Cellucotton or fabric filter element are filtered, and further remove the materials such as dissolved oil remaining in waste water, suspended particulate substance.
Further, the biochemical process in the step (4) uses activated sludge or biomembrance process, in 15 DEG C~35 DEG C of bar
Biological respinse is carried out under part, organic matter, the pollutant such as ammonia nitrogen gone in water removal.
Special equipment for above-mentioned kitchen biogas liquor treating process, it is characterised in that：It mainly includes air flotation cell, sludge
Adsorption tank, filter, biochemistry pool.
The raw water box is connected with air flotation cell, and intake pump is housed on connecting line, and the clear liquid output end of air flotation cell connects
Connect sludge absorption pond, scum silica frost output end connection scum silica frost processing system, sludge absorption pond output end connection filter, filter it is defeated
Go out end connection biochemistry pool, the water side connection tank of biochemistry pool, the bottom of biochemistry pool is connected with sludge absorption pond, connecting line
It is upper that sludge reflux pump is housed.
Further, the air flotation cell is mainly provided with flotation tank, air dissolved pump, gas-liquid separator, dross separation apparatus, scum silica frost
Processing system, wherein, the bottom connection of gas-liquid separator and flotation tank, connecting line is provided with air dissolved pump, gas-liquid separator
The port of export is equipped with bubble disperser device.
Further, filtrate and water-locator are provided with the filter.
Beneficial effect
A kind of the kitchen biogas liquor treating process and its special equipment that the present invention designs, by " air supporting-sludge absorption-filtering-
The group technology of biochemistry " removes different types of grease, suspended particulate substance, organic matter, ammonia nitrogen in kitchen biogas slurry respectively, reduces
Influence of the pollutant to successive depths processing system, wherein, sludge absorption process takes full advantage of in existing biochemical system and discharged
A large amount of excess sludges, not only operating cost can be reduced with oil removing, and it is dirty to reduce the environment that brings of excess sludge discharge
Dye, realizes the recycling of excess sludge, and the scum silica frost separated can be used as production soap and laundry after processing
The raw material of powder, realize the recycling of biogas slurry.
Brief description of the drawings
Accompanying drawing 1 is the process chart of the embodiment of the present invention.
Accompanying drawing 2 is the connection relationship diagram of the special equipment of the embodiment of the present invention.
Embodiment
With reference to the accompanying drawings and examples, the present invention is elaborated.
As shown in Figure 2, the special equipment of kitchen biogas liquor treating process, it includes air flotation cell 1, sludge absorption pond 2, mistake
Filter 3 and biochemistry pool 4.
The raw water box 5 is connected with air flotation cell 1, and intake pump 6, the clear liquid output of air flotation cell 1 are housed on connecting line
End connection sludge absorption pond 2, the scum silica frost output end connection scum silica frost processing system 12 of air flotation cell 1, the output end of sludge absorption pond 2 connects
Connect filter 3, the output end connection biochemistry pool 4 of filter 3, the water side connection tank 16 of biochemistry pool 4, the bottom of biochemistry pool 4
Portion is connected with sludge absorption pond 2, and sludge reflux pump 15 is housed on connecting line.
The air flotation cell 1 is mainly provided with flotation tank 7, air dissolved pump 8, gas-liquid separator 9, dross separation apparatus 11, scum silica frost
Processing system 12, wherein, gas-liquid separator 9 is connected with the bottom of flotation tank 7, and connecting line is provided with air dissolved pump 8, gas-liquid separation
The port of export of device 9 is equipped with bubble disperser device 10.
Filtrate 13 and water-locator 14 are provided with the filter 3.
As shown in Figure 1, the technique that kitchen biogas slurry oil removing is carried out using said apparatus, it includes following steps：
The first step：After kitchen biogas liquid pump is sent into air-flotation system, enough micro-bubbles, bubble diameter are passed through into biogas slurry
Between 10~40 μm, these bubbles are in floating-upward process, the droplets contact in Yi Yushui, and float up to the water surface together, formed
A large amount of scum silica frost, scum silica frost are post-processed into scum silica frost processing system, after processing can as production soap, washing powder raw material,
Clear liquid enters adsorption system, and the hydraulic detention time of whole process only has 5~30min.
Second step：Sludge absorption system is sent into water outlet in the first step, utilizes the residue discharged in existing biochemical system
The adsorption property of sludge, under normal temperature condition, the suspended oil in water is subjected to physical absorption, so as to remove the grease in water removal.
3rd step：Filtration system is sent into water outlet in second step, under normal temperature condition, utilizes the fiber of hydrophobic oleophilic oil
Ball or cellucotton or fabric filter element are filtered, and further remove the materials such as dissolved oil remaining in waste water, suspended particulate substance.
4th step：Biochemical system is sent into water outlet in 3rd step, using activated sludge process or biomembrance process, 15 DEG C~
Under conditions of 35 DEG C, the organic matter, the pollutant such as ammonia nitrogen that are gone using the absorption and decomposition of microorganism in water removal.
Structure, ratio, size, quantity depicted in the present embodiment institute accompanying drawings etc., only coordinating specification to be taken off
The content shown, so that those skilled in the art understands and reads, the enforceable qualifications of the present invention are not limited to, therefore
Do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, do not influenceing the present invention
Under the effect of can be generated and the purpose that can reach, it all should still fall and obtain the model that can cover in disclosed technology contents
In enclosing.Meanwhile cited such as " on ", " under ", "left", "right", " centre ", " clockwise ", " counterclockwise " in this specification
Term, be merely convenient to understanding for narration, and be not used to limit the enforceable scope of the present invention, the change of its relativeness or
Adjustment, in the case where changing technology contents without essence, when being also considered as the enforceable category of the present invention.
Claims (8)
1. kitchen biogas liquor treating process, it is characterised in that it includes following steps：
(1) kitchen biogas slurry is sent into air-flotation system, carries out air-flotation process, remove oil emulsion, dispersed oil and suspension in biogas slurry
Grain thing, obtains water outlet；
(2) water outlet in step (1) is subjected to sludge absorption processing, the suspended oil gone in water removal, obtains adsorbing water outlet；
(3) by the absorption water outlet progress filtration treatment in step (2), the dissolved oil further gone in water removal, suspended particulate substance, obtain
To filtering water outlet；
(4) the filtering water outlet in step (3) is subjected to biochemical treatment, organic matter, the ammonia nitrogen pollutant gone in water removal, obtains biochemistry
Water outlet.
2. kitchen biogas liquor treating process according to claim 1, it is characterised in that：Air-flotation process mistake in the step (1)
Journey is that enough micro-bubbles are passed through into waste water, and bubble diameter forms a large amount of scum silica frost, after scum silica frost is carried out between 10~40 μm
Processing, obtain producing soap, the raw material of washing powder after processing, obtained clear liquid is sent into adsorption system, the waterpower of whole process
Residence time is 5~30min.
3. kitchen biogas liquor treating process according to claim 1, it is characterised in that：Adsorption treatment in the step (2)
Process is to utilize the adsorption property for the excess sludge discharged in existing biochemical system, under normal temperature condition, by the suspended oil in water
Physical absorption is carried out, so as to remove the grease in water removal.
4. kitchen biogas liquor treating process according to claim 1, it is characterised in that：Filtration treatment in the step (3)
Process is at normal temperatures, to be filtered using the fibrous nodules or cellucotton or fabric filter element of hydrophobic oleophilic oil, is further removed useless
Remaining dissolved oil, suspended particulate substance (SS) material in water.
5. kitchen biogas liquor treating process according to claim 1, it is characterised in that：Biochemical treatment in the step (4)
Process is to use activated sludge or biomembrance process, and biological respinse is carried out under conditions of 15 DEG C -35 DEG C, is gone organic in water removal
Thing, ammonia nitrogen pollutant.
6. the special equipment for the kitchen biogas liquor treating process described in any of the above-described claim, it is characterised in that：It is wrapped
Include air flotation cell (1), sludge absorption pond (2), filter (3) and biochemistry pool (4)；
Raw water box (5) is connected with air flotation cell (1), and intake pump (6), the clear liquid output of air flotation cell (1) are housed on connecting line
End connection sludge absorption pond (2), the scum silica frost output end connection scum silica frost processing system (12) of air flotation cell (1), sludge absorption pond (2)
Output end connection filter (3), the output end connection biochemistry pool (4) of filter (3), the water side connection water storage of biochemistry pool (4)
Pond (16), the bottom of biochemistry pool (4) are connected with sludge absorption pond (2), and sludge reflux pump (15) is housed on connecting line.
7. the special equipment of kitchen biogas liquor treating process as claimed in claim 6, it is characterised in that：The air flotation cell (1)
Including flotation tank (7), air dissolved pump (8), gas-liquid separator (9), dross separation apparatus (11) and scum silica frost processing system (12), its
In, the gas-liquid separator (9) is connected with the bottom of the flotation tank (7), and air dissolved pump (8), the gas are housed on connecting line
The port of export of liquid/gas separator (9) is equipped with bubble disperser (10).
8. the special equipment of kitchen biogas liquor treating process as claimed in claim 6, it is characterised in that：In the filter (3)
Provided with filtrate (13) and water-locator (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710881371.9A CN107840530A (en) | 2017-09-26 | 2017-09-26 | Kitchen biogas liquor treating process and its special equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710881371.9A CN107840530A (en) | 2017-09-26 | 2017-09-26 | Kitchen biogas liquor treating process and its special equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107840530A true CN107840530A (en) | 2018-03-27 |
Family
ID=61661735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710881371.9A Pending CN107840530A (en) | 2017-09-26 | 2017-09-26 | Kitchen biogas liquor treating process and its special equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN107840530A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179648A (en) * | 2018-09-18 | 2019-01-11 | 上海晶宇环境工程股份有限公司 | A kind of coal chemical industry oil product synthetic wastewater oil removing process and its special equipment |
| CN109607870A (en) * | 2019-01-02 | 2019-04-12 | 上海环境工程设计研究院有限公司 | A kind of biogas slurry recycling treatment process |
| CN114506977A (en) * | 2022-02-18 | 2022-05-17 | 湖北中新开维现代牧业有限公司 | Method for recovering ammonia nitrogen from biogas slurry in farm |
| CN115784504A (en) * | 2022-11-28 | 2023-03-14 | 武汉环投千子山环境产业有限公司 | High-efficient deoiling device of meal kitchen waste water |
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| CN104591498A (en) * | 2015-01-23 | 2015-05-06 | 湖南联合餐厨垃圾处理有限公司 | Kitchen sewage treatment process |
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Non-Patent Citations (1)
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| 乌锡康, 化学工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109179648A (en) * | 2018-09-18 | 2019-01-11 | 上海晶宇环境工程股份有限公司 | A kind of coal chemical industry oil product synthetic wastewater oil removing process and its special equipment |
| CN109607870A (en) * | 2019-01-02 | 2019-04-12 | 上海环境工程设计研究院有限公司 | A kind of biogas slurry recycling treatment process |
| CN114506977A (en) * | 2022-02-18 | 2022-05-17 | 湖北中新开维现代牧业有限公司 | Method for recovering ammonia nitrogen from biogas slurry in farm |
| CN115784504A (en) * | 2022-11-28 | 2023-03-14 | 武汉环投千子山环境产业有限公司 | High-efficient deoiling device of meal kitchen waste water |
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Application publication date: 20180327 |