CN108046531A - A kind of food and drink waste water goes Method for treatment of oil - Google Patents
A kind of food and drink waste water goes Method for treatment of oil Download PDFInfo
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- CN108046531A CN108046531A CN201711397582.1A CN201711397582A CN108046531A CN 108046531 A CN108046531 A CN 108046531A CN 201711397582 A CN201711397582 A CN 201711397582A CN 108046531 A CN108046531 A CN 108046531A
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- waste water
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- 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
- C02F1/22—Treatment of water, waste water, or sewage by freezing
-
- 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
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
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- 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)
- Activated Sludge Processes (AREA)
- Processing Of Solid Wastes (AREA)
- Physical Water Treatments (AREA)
Abstract
The present invention discloses a kind of food and drink waste water and goes Method for treatment of oil, by the way that the food and drink waste water in waste water collection tank is evacuated in freezing tank；Food and drink waste water in freezing tank is cooled to 0 DEG C 5 DEG C, food and drink waste water will have been stood in freezing tank and has been evacuated in suction filtration tank, then is evacuated to by taking out pipe and the 3rd material-pumping tube in biochemical slot；By the food and drink waste water adjusting pH value in biochemical slot to 68, the aerobic microbiological of 0.004 0.006 times of food and drink waste water amounts of addition；Present invention design is simple, reasonable, the liquid oily object contained in food and drink waste water is removed by frozen filtration, the content of the vegetable and animals oils of food and drink waste water, COD and ammonia nitrogen is greatly lowered, the generation of gutter oil is eliminated from source, the food and drink waste water after filtering using aerobic microbiological is assimilated again and is degraded, so as to reach discharge standard, simultaneously in whole process by the way of vacuum drawn, the effective diffusion for avoiding peculiar smell in food and drink waste water, do not influence surrounding enviroment, simple using equipment, processing cost is low, has good value for applications.
Description
Technical field
The invention belongs to Catering Management technical fields, and in particular to a kind of Restaurant Wastewater Treatment Technology, more particularly
A kind of food and drink waste water goes Method for treatment of oil.
Background technology
Gutter oil refers to all kinds of poor oils present in life, such as the edible oil of recycling, the frying oil of Reusability,
Gutter oil the largest source is the oil separator of city large-scale restaurant sewer, and long-term consumption may trigger cancer, to the danger of human body
Evil is very big.With flourishing for catering industry, the discharge capacity of food and drink waste water is increasing, it has also become one of town sewage is important
Source, discharge capacity account for the 3% of municipal wastewater discharge capacity, and food and drink waste water not only generates surrounding city river certain pollution, Er Qieqi
In liquid grease be gutter oil main source；
How to eliminate gutter oil from source is that this field needs the technical problem solved, of the prior art, such as Shen
Please be number for CN201310388664.5, a kind of disclose aerobic microbiological and ozone combined technology processing food and drink waste water method,
Directly to food and drink waste water using aerobic microbiological by food and drink waste water degradation treatment, the expense of aerobic microbiological greatly increases, and
And in processing procedure, smell effectively cannot be controlled and be diffused, and seriously affect surrounding enviroment, and vegetable and animals oils after processing
Discharge standard is often not achieved in content, it is impossible to eliminate gutter oil in source.
The content of the invention
In order to overcome the technical issues of above-mentioned, it is an object of the invention to provide a kind of food and drink waste waters to go Method for treatment of oil,
By first frozen filtration being used to remove the liquid oily object contained in food and drink waste water, the production of gutter oil is eliminated from source
It is raw, then by biochemical treatment, reach discharge standard, solve food and drink waste water pollution environment and asking for gutter oil is refined by speculator
Topic, also by using the mode of vacuum drawn, effectively solve in processing procedure influences asking for surrounding enviroment after peculiar smell diffusion
Topic.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of food and drink waste water goes Method for treatment of oil, which is characterized in that includes the following steps：
Step 1：The food and drink waste water concentration of daily generation is added in waste water collection tank, opens vacuum-pump power supply, successively
The first vacuum valve and the first control valve are opened, the food and drink waste water in waste water collection tank is evacuated to freezing by the first material-pumping tube
In slot；
Step 2：After food and drink waste water is evacuated to freezing tank, the first vacuum valve, the first control valve and vacuum pump electricity are closed
Source opens inlet valve and flowing water Valve, adds in chilled brine into brine coil pipe, food and drink waste water in freezing tank is cooled to 0
DEG C -5 DEG C, after cooling, 0 DEG C -5 DEG C stand heat preservation 1 it is small when, until by the liquid oily object freezing in food and drink waste water in solid
State grease；
Step 3：After standing heat preservation, vacuum-pump power supply is opened, then opens the second vacuum valve, the 3rd control successively
Valve and the second control valve will stand food and drink waste water and be evacuated to by the second material-pumping tube in suction filtration tank in freezing tank, pass through
After filter cloth, filter plate, then managed by pumping and be evacuated to the 3rd material-pumping tube in biochemical slot；
Step 4：After food and drink waste water is evacuated to biochemical slot, the second vacuum valve, third control valve door, the second control are closed successively
Valve processed and vacuum-pump power supply are adjusted the food and drink waste water in biochemical slot using 2% hydrochloric acid or 2% sodium hydroxide solution
PH value adds in the aerobic microbiological of 0.004-0.006 times of food and drink waste water amount, when assimilation degradation 24-26 is small to 6-8；
Step 5：After assimilation degradation, sampling detection measures pH value in 6-9 scopes, vegetable and animals oils content≤40mg/
L, COD contents≤150mg/L, ammonia-nitrogen content≤50mg/L are qualification, unqualified, then continue degradation until qualification, qualified
Afterwards, the activated carbon of 0.05 times of food and drink waste water is added in, is decolourized under the conditions of 40-50 DEG C, then after activated carbon is filtered, that is, completes food and drink
Waste water deoiling and handling.
As further embodiment of the present invention：In step 1, after the food and drink waste water in waste water collection tank exhausts, opening activity
Lid is removed the solid refuse filtered out on filter screen clean.
As further embodiment of the present invention：In step 2, chilled brine be calcium chloride aqueous solution, the temperature of chilled brine
Degree is subzero between 5 DEG C -0 DEG C.
As further embodiment of the present invention：In step 3 kind, after suction filtration tank filters every time, continue to drain 10-20
Minute, after draining, cover board is opened, the solid-state grease and other impurities that are filtered on filter cloth are removed, filter cloth cleaning is dry
Treat that taking out material next time uses after net.
As further embodiment of the present invention：In step 3, after 3-5 food and drink waste water of freezing tank freezing processing, bottom is opened
The sealing cover in portion puts the fixation grease freezed in freezing tank to cone-shaped collection slot.
As further embodiment of the present invention：It is continual into food and drink waste water in degradation process is assimilated in step 4
It is blown into the compressed air of 0.1-0.12mpa.
Beneficial effects of the present invention：Present invention design is simple, reasonable, and the liquid oily object contained in food and drink waste water is passed through
Frozen filtration removes, and the content of the vegetable and animals oils of food and drink waste water, COD and ammonia nitrogen is greatly lowered, is eliminated from source
The generation of gutter oil, then the food and drink waste water after filtering using aerobic microbiological is assimilated and is degraded, so as to reach discharge standard, together
When whole process in by the way of vacuum drawn, effectively avoid the diffusion of peculiar smell in food and drink waste water, do not influence peripheral ring
Border, simple using equipment, processing cost is low, has good value for applications.
Description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram that a kind of food and drink waste water of the present invention removes oil treatment provisions.
Specific embodiment
Below in conjunction with the embodiment of the present invention, the technical solution in the embodiment of the present invention is clearly and completely described,
Obviously, described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, all other embodiment that those of ordinary skill in the art are obtained without creative efforts, all
Belong to the scope of protection of the invention.
As shown in Figure 1, a kind of food and drink waste water removes oil treatment provisions, including waste water collection tank 1, freezing tank 3, suction filtration tank 5, life
Change slot 7 and vacuum buffer tank 8, waste water collection tank 1 is connected to 3 top of freezing tank by the first material-pumping tube 2, and freezing tank 3 passes through
Second material-pumping tube 4 is connected to 5 top of suction filtration tank, and suction filtration tank 5 is connected to biochemical 7 top of slot, vacuum buffer by the 3rd material-pumping tube 6
Tank 8 is connected to 3 top of freezing tank by the first vacuum tube 9, and vacuum buffer tank 8 is connected to biochemical slot 7 by the second vacuum tube 10
Top；
The waste water collection tank 1 is used to collect the food and drink waste water of daily generation, and 1 upper end of waste water collection tank is connected with removable cover
11, filter screen 12 is fixed in waste water collection tank 1, for solid impurity in food and drink waste water to be filtered, passes through opening activity
Lid 11 removes solid impurity；
First material-pumping tube, 2 lower end sequentially passes through waste water collection tank 1, filter screen 12 and extends to 1 bottom of waste water collection tank
Portion is equipped with the first control valve 21 on the first material-pumping tube 2；
The insulating layer 31 being made using heat-preservation cotton is enclosed with outside the freezing tank 3, for being protected to freezing tank 3
Temperature；
The freezing tank 3 is internally provided with brine coil pipe 32, and 32 upper end of brine coil pipe is through freezing tank 3 and is equipped with outlet valve
Door 33,32 lower end of brine coil pipe is through freezing tank 3 and is equipped with inlet valve 34, and inlet valve 34 is used for into brine coil pipe 32
Chilled brine is conveyed, flowing water Valve 33 is used to discharge to by the chilled brine in brine coil pipe 32, to being cycled in freezing tank 3
Cooling, solid-state grease is frozen by the liquid oily object in the food and drink waste water in freezing tank 3；
The 3 lower end supporting leg of freezing tank is fixed on cone-shaped collection slot 35, and 3 bottom of freezing tank is equipped with sealing by bolt
Lid 36 is dismantled sealing cover 36, the solid-state grease after the freezing in freezing tank 3 is emitted into cone-shaped collection slot 35, effectively
Freezing tank 3 is periodically handled；
Filter cartridge 37 is fixed in 3 internal side wall of freezing tank, 4 upper end of the second material-pumping tube is set after passing through freezing tank 3
In filter cartridge 37, the second control valve 41 is installed on second material-pumping tube 4；
Cover board 51 is connected on the suction filtration tank 5, is connected between 51 and second material-pumping tube 4 of cover board by hose 52, hose
52 design opens or closes 5 upper end of suction filtration tank quite convenient for cover board 51, convenient for the cleaning in suction filtration tank 5, and effectively
The diffusion for avoiding smell in suction filtration tank 5；
5 laid inside of suction filtration tank has filter cloth 53, and 53 lower section of filter cloth is equipped with the filtering being fixed on inside suction filtration tank 5
Plate 54 under the action of filter cloth 53 and filter plate 54, is further filtered to entering the food and drink waste water in suction filtration tank 5,
Go out demargarination shape object and other solid impurities；
3rd material-pumping tube, 6 lower end is through suction filtration tank 5 and is located at 54 lower section of filter plate, is located on the 3rd material-pumping tube 6 and takes out
The part of filter pocket 5 is equipped with linearly uniformly distributed pumping pipe 61, takes out pipe 61 for the food and drink waste water further filtered in suction filtration tank 5 to be evacuated to
In biochemical slot 7, the uniformity of extraction not only ensure that, and add the suction filtration effect of suction filtration tank 5；
Third control valve door 62 is installed on 3rd material-pumping tube 6；
The biochemistry slot 7 is used for by adding in aerobic microbiological, and assimilation degradation is carried out to food and drink waste water, reduces food and drink waste water
After the indexs such as interior COD, ammonia nitrogen, then effectively discharged；
The vacuum buffer tank 8 is connected with vacuum pump 81 by pipeline, and 8 upper end of vacuum buffer tank is connected with U-tube road point
With platform 82, U-tube road distribution platform 82 is equipped with the first vacuum valve 83 and the second vacuum valve 84 being arranged in parallel, the first vacuum
Valve 83 is connected with the first vacuum tube 9, and the second vacuum valve 84 is connected with the second vacuum tube 10, will be cold by the first vacuum tube 9
Freeze and negative pressure state is formed in slot 3, the food and drink waste water in waste water collection tank 1 is evacuated in freezing tank 3, passes through the second vacuum tube 10
Negative pressure state will be formed in suction filtration tank 5, the food and drink waste water in freezing tank 3 is evacuated in suction filtration tank 5, using the side of vacuum drawn
Formula conveys food and drink waste water, not only avoids plugging phenomenon, and can have and carry out the gas with foreign flavor in food and drink waste water
It extracts, substantially improves working environment, there is good environmental benefit.
A kind of food and drink waste water goes Method for treatment of oil, includes the following steps：
Step 1：The food and drink waste water concentration of daily generation is added in waste water collection tank 1, opens 81 power supply of vacuum pump,
The first vacuum valve 83 and the first control valve 21 are opened successively, and the food and drink waste water in waste water collection tank 1 by first is taken out and is expected
Pipe 2 is evacuated in freezing tank 3；After food and drink waste water in waste water collection tank 1 exhausts, removable cover 11 is opened, will be filtered on filter screen 12
The solid refuse gone out is removed clean；
Step 2：After food and drink waste water is evacuated to freezing tank 3, the first vacuum valve 83, the first control valve 21 and true are closed
Sky 81 power supplys of pump, open inlet valve 34 and flowing water Valve 33, chilled brine are added in into brine coil pipe 32, chilled brine is chlorine
Change the aqueous solution of calcium, food and drink waste water in freezing tank 3 between 5 DEG C -0 DEG C, is cooled to 0 DEG C -5 by the temperature of chilled brine subzero
DEG C, after cooling, when 0 DEG C of -5 DEG C of standing heat preservation 1 is small, until the freezing of liquid oily object is in solid-state grease；
Step 3：After standing heat preservation, 81 power supply of vacuum pump is opened, then opens the second vacuum valve the 84, the 3rd successively
62 and second control valve 41 of control valve will stand food and drink waste water and be evacuated to suction filtration by the second material-pumping tube 4 in freezing tank 3
In slot 5, it is evacuated to after filter cloth 53, filter plate 54 filter, then by taking out 61 and the 3rd material-pumping tube 6 of pipe in biochemical slot 7；Freezing
After slot 3-5 food and drink waste water of 3 freezing processing, open the sealing cover 36 of bottom, by the fixation grease of freezing in freezing tank 3 put to
In cone-shaped collection slot 35；After suction filtration tank 5 filters every time, continue to drain 10-20 minutes, after draining, open cover board 51, incited somebody to action
The solid-state grease and other impurities filtered on filter cloth 53 is removed, and filter cloth 53 treats that taking out material next time uses after cleaning up；
Step 4：After food and drink waste water is evacuated to biochemical slot 7, the second vacuum valve 84, third control valve door 62, are closed successively
81 power supply of two control valves 41 and vacuum pump, using 2% hydrochloric acid or 2% sodium hydroxide solution by the meal in biochemical slot 7
It drinks waste water and adjusts pH value to 6-8, add in the aerobic microbiological of 0.004-0.006 times of food and drink waste water amount, it is small to assimilate degradation 24-26
When, in degradation process is assimilated, the continual compressed air that 0.1-0.12mpa is blown into food and drink waste water；
Step 5：After assimilation degradation, sampling detection measures pH value in 6-9 scopes, vegetable and animals oils content≤40mg/
L, COD contents≤150mg/L, ammonia-nitrogen content≤50mg/L are qualification, unqualified, then continue degradation until qualification, qualified
Afterwards, the activated carbon of 0.05 times of food and drink waste water is added in, is decolourized under the conditions of 40-50 DEG C, then after activated carbon is filtered, that is, completes food and drink
Waste water deoiling and handling.
Present invention design is simple, reasonable, the liquid oily object contained in food and drink waste water is removed by frozen filtration, greatly
The content of the vegetable and animals oils of amplitude reduction food and drink waste water, COD and ammonia nitrogen eliminates the generation of gutter oil from source, then will
Food and drink waste water after filtering assimilates using aerobic microbiological degrades, and so as to reach discharge standard, while is used in whole process
The mode of vacuum drawn effectively avoids the diffusion of peculiar smell in food and drink waste water, does not influence surrounding enviroment, simple using equipment,
Processing cost is low, has good value for applications.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one implementation of the present invention is contained in reference to the embodiment or example particular features, structures, materials, or characteristics described
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can close in any one or more embodiments or example
Suitable mode combines.
More than content is only to structure example of the present invention and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or substitutes in a similar way, without departing from invention
Structure surmounts scope defined in the claims, is within the scope of protection of the invention.
Claims (6)
1. a kind of food and drink waste water goes Method for treatment of oil, which is characterized in that includes the following steps：
Step 1：The food and drink waste water concentration of daily generation is added in waste water collection tank (1), opens vacuum pump (81) power supply,
The first vacuum valve (83) and the first control valve (21) are opened successively, and the food and drink waste water in waste water collection tank (1) is passed through
One material-pumping tube (2) is evacuated in freezing tank (3)；
Step 2：After food and drink waste water is evacuated to freezing tank (3), close the first vacuum valve (83), the first control valve (21) and
Vacuum pump (81) power supply opens inlet valve (34) and flowing water Valve (33), and chilled brine is added in brine coil pipe (32) is interior, will
Freezing tank (3) interior food and drink waste water is cooled to 0 DEG C -5 DEG C, after cooling, 0 DEG C -5 DEG C stand heat preservation 1 it is small when, until by food and drink
Liquid oily object freezing in waste water is in solid-state grease；
Step 3：After standing heat preservation, vacuum pump (81) power supply is opened, then opens the second vacuum valve (84), the 3rd successively
Control valve (62) and the second control valve (41) pass through the second material-pumping tube (4) by food and drink waste water has been stood in freezing tank (3)
It is evacuated in suction filtration tank (5), after filter cloth (53), filter plate (54) filtering, then by taking out pipe (61) and the 3rd material-pumping tube (6)
It is evacuated in biochemical slot (7)；
Step 4：After food and drink waste water is evacuated to biochemical slot (7), close successively the second vacuum valve (84), third control valve door (62),
Second control valve (41) and vacuum pump (81) power supply, using 2% hydrochloric acid or 2% sodium hydroxide solution by biochemical slot
(7) food and drink waste water in adjusts pH value to 6-8, adds in the aerobic microbiological of 0.004-0.006 times of food and drink waste water amount, assimilates degradation
When 24-26 is small；
Step 5：After assimilation degradation, sampling detection measures pH value in 6-9 scopes, vegetable and animals oils content≤40mg/L, COD
Content≤150mg/L, ammonia-nitrogen content≤50mg/L are qualification, unqualified, then continue degradation until qualification, after qualified, adds
Enter the activated carbon of 0.05 times of food and drink waste water, decolourize under the conditions of 40-50 DEG C, then after activated carbon is filtered, that is, complete food and drink waste water
Deoil and handle.
2. a kind of food and drink waste water according to claim 1 goes Method for treatment of oil, which is characterized in that in step 1, waste water is received
After food and drink waste water in collection slot (1) exhausts, removable cover (11) is opened, the solid refuse filtered out on filter screen (12) is removed dry
Only.
3. a kind of food and drink waste water according to claim 1 goes Method for treatment of oil, which is characterized in that in step 2, freezes salt
Water is the aqueous solution of calcium chloride, and the temperature of chilled brine is subzero between 5 DEG C -0 DEG C.
4. a kind of food and drink waste water according to claim 1 goes Method for treatment of oil, which is characterized in that in step 3 kind, filters
After slot (5) filters every time, continue to drain 10-20 minutes, after draining, open cover board (51), will be filtered on filter cloth (53)
Solid-state grease and other impurities remove, filter cloth (53) treated after cleaning up next time take out material use.
5. a kind of food and drink waste water according to claim 1 goes Method for treatment of oil, which is characterized in that in step 3, freezing tank
(3) after 3-5 food and drink waste water of freezing processing, the sealing cover (36) of bottom is opened, by the fixation grease of freezing in freezing tank (3)
It puts to cone-shaped collection slot (35).
6. a kind of food and drink waste water according to claim 1 goes Method for treatment of oil, which is characterized in that in step 4, is assimilating
In degradation process, the continual compressed air that 0.1-0.12mpa is blown into food and drink waste water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711397582.1A CN108046531A (en) | 2017-12-21 | 2017-12-21 | A kind of food and drink waste water goes Method for treatment of oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711397582.1A CN108046531A (en) | 2017-12-21 | 2017-12-21 | A kind of food and drink waste water goes Method for treatment of oil |
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| CN108046531A true CN108046531A (en) | 2018-05-18 |
Family
ID=62130515
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| CN201711397582.1A Pending CN108046531A (en) | 2017-12-21 | 2017-12-21 | A kind of food and drink waste water goes Method for treatment of oil |
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|---|---|---|---|---|
| CN109912097A (en) * | 2019-03-31 | 2019-06-21 | 吴文泉 | A kind of water purification terminal function machine of the freezing negative pressure based on the sliding patch of input pipe swash plate |
| CN110079391A (en) * | 2019-05-31 | 2019-08-02 | 新昌县以琳环保科技有限公司 | Waste cooking oils the second-order separation oil and fat preparation technique |
| CN110479743A (en) * | 2019-09-07 | 2019-11-22 | 山东农业大学 | The energy-saving processing method that a kind of kitchen garbage desalination, de-oiling rouge substep recycle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109912097A (en) * | 2019-03-31 | 2019-06-21 | 吴文泉 | A kind of water purification terminal function machine of the freezing negative pressure based on the sliding patch of input pipe swash plate |
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| CN110479743A (en) * | 2019-09-07 | 2019-11-22 | 山东农业大学 | The energy-saving processing method that a kind of kitchen garbage desalination, de-oiling rouge substep recycle |
| CN110479743B (en) * | 2019-09-07 | 2021-02-02 | 山东农业大学 | Energy-saving treatment method for desalting and deoiling and recycling kitchen waste step by step |
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