CN109942039A - A kind of desalinization of soil by flooding or leaching Sewage treatment purification method - Google Patents
A kind of desalinization of soil by flooding or leaching Sewage treatment purification method Download PDFInfo
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- CN109942039A CN109942039A CN201910243687.4A CN201910243687A CN109942039A CN 109942039 A CN109942039 A CN 109942039A CN 201910243687 A CN201910243687 A CN 201910243687A CN 109942039 A CN109942039 A CN 109942039A
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- water
- soil
- water storage
- desalinization
- flooding
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- 239000002689 soil Substances 0.000 title claims abstract description 55
- 238000002386 leaching Methods 0.000 title claims abstract description 31
- 238000000746 purification Methods 0.000 title claims abstract description 20
- 239000010865 sewage Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 151
- 239000003337 fertilizer Substances 0.000 claims abstract description 40
- 150000003839 salts Chemical class 0.000 claims abstract description 25
- 238000009833 condensation Methods 0.000 claims abstract description 11
- 230000005494 condensation Effects 0.000 claims abstract description 11
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 10
- 239000012528 membrane Substances 0.000 claims abstract description 9
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 5
- 238000004062 sedimentation Methods 0.000 claims description 34
- 238000000926 separation method Methods 0.000 claims description 24
- 239000003651 drinking water Substances 0.000 claims description 11
- 235000020188 drinking water Nutrition 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 9
- 239000002351 wastewater Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 4
- 238000004821 distillation Methods 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 2
- 150000001413 amino acids Chemical class 0.000 claims description 2
- 239000004202 carbamide Substances 0.000 claims description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 1
- 238000001704 evaporation Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 3
- 230000008020 evaporation Effects 0.000 abstract description 2
- 210000003608 fece Anatomy 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract description 2
- 239000010871 livestock manure Substances 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract description 2
- 239000007921 spray Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 238000005373 pervaporation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002364 soil amendment Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
Landscapes
- Fertilizers (AREA)
- Treatment Of Biological Wastes In General (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of desalinization of soil by flooding or leaching Sewage treatment purification methods, it is recycled by the salt water later to the desalinization of soil by flooding or leaching, salt water after the recovery is divided into two parts, a part of salt water is analyzed salt by evaporating, it is that hot steam is led into first being heated in complex fertilizer case to fertilizer by water evaporation, it is pressurizeed clean room so that filtered water enters complex fertilizer case by RO reverse osmosis membrane by high-pressure pump in clean room to another part salt water, filter out the salinity and heavy metal ion in salt water, mix filtered water with fertilizer, and it heats the air-flow of fertilizer and the desalinization of soil by flooding or leaching then is carried out to soil again being extracted to enter after condensation chamber is condensed into water flow, salt water after the desalinization of soil by flooding or leaching is purified and is recycled, and water tank is not needed to add again to fertilizer progress liquid manure mixing.
Description
Technical field
The present invention relates to Water warfare recovery technology field, specially a kind of desalinization of soil by flooding or leaching Sewage treatment purification method.
Background technique
Salt-soda soil refers to that salinity contained in soil has influenced the normal growth of crop, and various saline-alkali soil are all certain
Natural conditions under formed, the essence formed is mainly that various ease of solubility salts make the weight of direction and vertical direction on ground
New distribution, so that salinity be made to build up in the upper soll layer in collection salt area；The salinization of soil has seriously affected crop
Growth, mainly there are raised fields method, soil amendment, drainage, desalinization of soil by flooding or leaching method, chemical method, bioanalysis in China in terms of alkaline land improvement at present
Deng；Wherein Drainage of salt is reference fresh water to dissolve the salinity in soil, is being drained salinity by drainage system；And exist at present
After the desalinization of soil by flooding or leaching, the salt water drained generally is discharged into reservoir, but there is no carry out the water being discharged after the desalinization of soil by flooding or leaching to soil in the prior art
In the research utilized.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of desalinization of soil by flooding or leaching Sewage treatment purification method, to being discharged after the desalinization of soil by flooding or leaching
Salt water carry out reclaiming clean after utilized, save water resource, and the circulation desalinization of soil by flooding or leaching can be carried out to salt-soda soil.
To achieve the above object, the invention provides the following technical scheme:
A kind of desalinization of soil by flooding or leaching Sewage treatment purification method, including purified with a kind of desalinization of soil by flooding or leaching Sewage treatment purification device, the device packet
The water storage sedimentation basin connecting with gutter is included, the side-wall outer side of water storage sedimentation basin is provided with motor, the transmission shaft of motor and rotation
Axis connection is provided with axis connection hole on the two sidewalls of water storage sedimentation basin, and rotation axis crosses storage by the axis connection hole on two sidewalls
Pond, rotation axis are close to the rear wall of reservoir, and the centre of rotation axis is connected with separation net, and separation net can be rotated with rotation axis,
The width of separation net is less than the width of reservoir two sidewalls, and the length of separation net is less than the length of reservoir front and rear wall.
Further, purification device further includes car body, and the bottom of car body is provided with traveling wheel, and the front of car body is provided with pumping
One end of water pipe, drinking-water pipe is protruded into reservoir, and the other end of drinking-water pipe is arranged in water tank, and the lower end of water tank is provided with
Water storage chamber I and water storage chamber II, the one end of drinking-water pipe in water tank are arranged in the upper end of water storage chamber and are provided with water jet I and spray
The mouth of a river II respectively corresponds water storage chamber I and water storage chamber II, is provided with water pump I on drinking-water pipe.
Further, water outlet I is provided on the side wall of water storage chamber I, water outlet I is connect with one end of outlet pipe I, water outlet
The other end of pipe I is connect with distillery, and outlet valve I is provided on outlet pipe I, heating device, distillery are provided in distillery
Top be provided with gas outlet and connect with escape pipe, the other end of escape pipe is connect with complex fertilizer case upper end, is provided on escape pipe
Air outlet valve is provided with water outlet II on the side wall of water storage chamber II, and water outlet II is connected with one end of outlet pipe II, outlet pipe II
The other end is connect with clean room.
Further, the upper end of clean room is provided with high-pressure pump, and high-pressure pump is connect by snorkel with clean room, only
The lower wall for changing room is made of RO reverse osmosis membrane, and the lower end of RO reverse osmosis membrane is connected with out bucket, and the bottom of bucket is connected with out out
Water pipe III is provided with outlet valve III on outlet pipe III, and the other end of outlet pipe III is connect with complex fertilizer case upper end.
Further, the lower end of complex fertilizer case is provided with escape pipe, and air outlet valve, the other end of escape pipe are provided on escape pipe
It is connect with condensation chamber, the lower end of condensation chamber is connected with outlet pipe III, and the other end of outlet pipe III is connected with water storage box, water storage box
Side is connected with outfall sewer, and outfall sewer is connected with water outlet transverse tube, is discharged on transverse tube and is provided with multiple water jets.
Further, fertilizer includes amino acid, urea, potassium carbonate, plant ash, and the water extraction in distillery is irrigated
When, ground is irrigated three times daily, is irrigated 30 minutes every time, temperature sensor is provided in complex fertilizer case, complex fertilizer can be sensed
Temperature in case.
The desalinization of soil by flooding or leaching Sewage treatment purification method includes the following steps: step 1: carrying out PH detection to salt-soda soil, detection is three times
After take its average value be final pH value, a plurality of gutter is dug after detection on salt-soda soil, salt-soda soil is rushed with a plurality of water pipe
Salt discharge is washed, the water after flushing enters water storage sedimentation basin by gutter and collects, and flushes three times daily to salt-soda soil, continues two every time
It after ten minutes, continual rinsing three days, is purified with desalinization of soil by flooding or leaching Sewage treatment purification device, the desalinization of soil by flooding or leaching Sewage treatment purification device packet
Include water storage sedimentation basin, motor, separation net, drinking-water pipe, water tank, distillery, high-pressure pump, clean room, complex fertilizer case, condensation chamber,
Water storage box.
Step 2: a plurality of gutter is connect with water storage sedimentation basin, the side-wall outer side of water storage sedimentation basin is provided with motor, motor
Transmission shaft and rotation axis connection, rotation axis crosses water storage sedimentation basin, the centre of rotation axis by the hole on reservoir two sidewalls
Be connected with separation net, when waste water discharges into water storage sedimentation basin, starting motor drive rotation axis rotation, rotation axis drive separation net to
Upper overturning, so that separation net is parallel with the side wall of water storage sedimentation basin, the bulk sundries in waste water is deposited in the bottom of effluent settling chamber
Portion is again started up motor after stopping water inlet and drives rotation axis rotation, so that separation net rotates down the bottom with water storage sedimentation basin
Wall is parallel, separation net and bottom wall when parallel length be slightly less than the width between sedimentation basin two sidewalls.
The water in water storage sedimentation basin is pumped into water tank on drinking-water pipe step 3: opening, passes through two different water sprays
Mouth I and water jet II inject water into water storage chamber I and water storage chamber II, the valve on outlet pipe I are opened, by the water in water storage chamber I
It is pumped into distillery by outlet pipe I, moisture is evaporated to by gas by the distillation of distillery, opens the valve on escape pipe,
Gas in distillery is imported in complex fertilizer case by escape pipe, the fertilizer in fertilizer box is heated, by the gas after heating
Body is pumped into condensation chamber by exhaust tube and condenses gas, condensed water by outfall sewer and water outlet transverse tube to soil again into
Row is irrigated.
Step 4: opening the valve on outlet pipe II, the water in water storage chamber II is imported into clean room by outlet pipe II, only
Change room side and is provided with RO reverse osmosis membrane, to clean room's pressurization so that filtered water enters complex fertilizer case by RO reverse osmosis membrane,
The salinity and heavy metal ion in salt water are filtered out, mixes filtered water with fertilizer.
Compared with prior art, the present invention provides a kind of desalinization of soil by flooding or leaching Sewage treatment purification method, have it is following the utility model has the advantages that
The present invention is recycled by the salt water later to the desalinization of soil by flooding or leaching, salt water after the recovery is divided into two parts, a part of salt water is logical
Pervaporation analyzes salt, is that hot steam is led into first being heated in complex fertilizer case to fertilizer, to another part salt water by water evaporation
It is pressurizeed clean room so that filtered water enters complex fertilizer case by RO reverse osmosis membrane by high-pressure pump in clean room, filtered
Fall the salinity and heavy metal ion in salt water, mixes filtered water with fertilizer, and the air-flow for heating fertilizer is then being extracted
The desalinization of soil by flooding or leaching is carried out to soil again after being condensed into water flow into condensation chamber, the salt water after the desalinization of soil by flooding or leaching is purified and is recycled, and
And water tank is not needed to add again to fertilizer progress liquid manure mixing.
Detailed description of the invention
Fig. 1 is treatment facilities schematic diagram of the present invention.
Fig. 2 is separation net schematic diagram of the present invention.
In figure: 1- water storage sedimentation basin, the gutter 2-, 3- separation net, 4- drinking-water pipe, 5- water tank, 6- water jet I, 7- spray
The mouth of a river II, 8- water storage chamber I, 9- water storage chamber II, 10- outlet pipe I, 11- distillery, 12- escape pipe, 13- outlet pipe II, 14- high
Compression pump, the clean room 15-, 16- go out bucket, 17- complex fertilizer case, 18- condensation chamber, 19- water storage box, 20- outfall sewer, 21- water outlet
Transverse tube, 22- motor, 23- rotation axis.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
With reference to Fig. 1-2, a kind of desalinization of soil by flooding or leaching Sewage treatment purification method includes the following steps, step A: carrying out PH to salt-soda soil
Detection, it is final pH value that detection takes its average value afterwards three times, a plurality of gutter is dug after detection on salt-soda soil, with a plurality of water pipe pair
Salt-soda soil is rinsed salt discharge, and the water after flushing enters the collection of water storage sedimentation basin 1 by gutter 2, rinses three to salt-soda soil daily
It is secondary, continue 20 minutes every time, after continual rinsing three days, is purified with desalinization of soil by flooding or leaching Sewage treatment purification device, the desalinization of soil by flooding or leaching waste water
Reclaiming clean device includes water storage sedimentation basin 1, motor 22, separation net 3, drinking-water pipe 4, water tank 5, distillery 11, high-pressure pump
14, clean room 15, complex fertilizer case 17, condensation chamber 18, water storage box 19.
Step B: a plurality of gutter is connect with water storage sedimentation basin 1, and the side-wall outer side of water storage sedimentation basin 1 is provided with motor 22,
The transmission shaft of motor 22 is connect with rotation axis 23, and rotation axis 23 crosses water storage sedimentation basin 1 by the hole on reservoir two sidewalls, is turned
The centre of moving axis 23 is connected with separation net 3, and when waste water discharges into water storage sedimentation basin, starting motor 22 drives rotation axis 23 to rotate,
Rotation axis 23 drives separation net 3 to be flipped up, so that separation net 3 is parallel with the side wall of water storage sedimentation basin 1, the bulk in waste water is miscellaneous
Object is deposited in the bottom of effluent settling chamber, stop water inlet after be again started up motor drive rotation axis rotation so that separation net 3 to
Lower rotation is parallel with the bottom wall of water storage sedimentation basin 1, and length is slightly less than between 1 two sidewalls of sedimentation basin when separation net 3 is parallel with bottom wall
Width.
Step C: it opens and the water in water storage sedimentation basin 1 is pumped into water tank 5 on drinking-water pipe 4, pass through two different sprays
The mouth of a river I (6) and water jet II (7) inject water into water storage chamber I (8) and water storage chamber II (9), open the valve on outlet pipe I (10)
Water in water storage chamber I (8) is pumped into distillery 11 by outlet pipe I (10), is steamed moisture by the distillation of distillery 11 by door
Hair is gas, opens the valve on escape pipe 12, and the gas in distillery 11 is imported in complex fertilizer case 17 by escape pipe 12, right
Fertilizer in fertilizer box 17 is heated, and the gas after heating is pumped into condensation chamber 18 by exhaust tube and condenses gas, is condensed
Water afterwards irrigates soil by outfall sewer 20 and water outlet transverse tube 21 again.
Step D: opening the valve on outlet pipe II, and the water in water storage chamber II (9) is imported only by outlet pipe II (13)
Change room 15,15 side of clean room is provided with RO reverse osmosis membrane, is pressurizeed to clean room 15 so that filtered water is reverse osmosis by RO
Film enters complex fertilizer case 17, filters out salinity and heavy metal ion in salt water, mixes filtered water with fertilizer.
Claims (4)
1. a kind of desalinization of soil by flooding or leaching Sewage treatment purification method includes the following steps: step 1: carrying out PH detection to salt-soda soil, detection is three times
After take its average value be final pH value, a plurality of gutter is dug after detection on salt-soda soil, salt-soda soil is rushed with a plurality of water pipe
Salt discharge is washed, the water after flushing enters water storage sedimentation basin by gutter and collects, and flushes three times daily to salt-soda soil, continues two every time
It after ten minutes, continual rinsing three days, is purified with desalinization of soil by flooding or leaching Sewage treatment purification device, the desalinization of soil by flooding or leaching Sewage treatment purification device packet
Include water storage sedimentation basin, motor, separation net, drinking-water pipe, water tank, distillery, high-pressure pump, clean room, complex fertilizer case, condensation chamber,
Water storage box；
Step 2: a plurality of gutter is connect with water storage sedimentation basin, the side-wall outer side of water storage sedimentation basin is provided with motor, the biography of motor
Moving axis and rotation axis connection, rotation axis cross water storage sedimentation basin, the intermediate connection of rotation axis by the hole on reservoir two sidewalls
There is separation net, when waste water discharges into water storage sedimentation basin, starting motor drives rotation axis rotation, and rotation axis drives separation net to turning over
Turn, so that separation net is parallel with the side wall of water storage sedimentation basin, the bulk sundries in waste water is deposited in the bottom of effluent settling chamber,
It is again started up motor drive rotation axis rotation after stopping water inlet, is put down so that separation net is rotated down with the bottom wall of water storage sedimentation basin
Row, separation net and bottom wall when parallel length be slightly less than the width between sedimentation basin two sidewalls；
The water in water storage sedimentation basin is pumped into water tank on drinking-water pipe step 3: opening, passes through two different I Hes of water jet
Water jet II injects water into water storage chamber I and water storage chamber II, opens the valve on outlet pipe I, by the water in water storage chamber I by going out
Water pipe I is pumped into distillery, and moisture is evaporated to gas by the distillation of distillery, the valve on escape pipe is opened, will distill
Gas in room is imported in complex fertilizer case by escape pipe, heats to the fertilizer in fertilizer box, the gas after heating is passed through
Exhaust tube is pumped into condensation chamber and condenses gas, and condensed water fills soil by outfall sewer and water outlet transverse tube again
It irrigates；
Step 4: opening the valve on outlet pipe II, the water in water storage chamber II is imported into clean room, clean room by outlet pipe II
Side is provided with RO reverse osmosis membrane, to clean room's pressurization so that filtered water enters complex fertilizer case by RO reverse osmosis membrane, filtering
Fall the salinity and heavy metal ion in salt water, mixes filtered water with fertilizer.
2. a kind of desalinization of soil by flooding or leaching Sewage treatment purification method according to claim 1, it is characterised in that: fertilizer include amino acid,
Urea, potassium carbonate, plant ash.
3. a kind of desalinization of soil by flooding or leaching Sewage treatment purification method according to claim 2, it is characterised in that: take out the water in distillery
When being irrigated out, ground is irrigated daily three times, is irrigated 30 minutes every time.
4. a kind of desalinization of soil by flooding or leaching Sewage treatment purification method according to claim 1, it is characterised in that: be provided with temperature in complex fertilizer case
Sensor is spent, the temperature in complex fertilizer case can be sensed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910243687.4A CN109942039B (en) | 2019-03-28 | 2019-03-28 | Method for recycling and purifying salt-washing wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910243687.4A CN109942039B (en) | 2019-03-28 | 2019-03-28 | Method for recycling and purifying salt-washing wastewater |
Publications (2)
| Publication Number | Publication Date |
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| CN109942039A true CN109942039A (en) | 2019-06-28 |
| CN109942039B CN109942039B (en) | 2022-07-08 |
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| CN201910243687.4A Active CN109942039B (en) | 2019-03-28 | 2019-03-28 | Method for recycling and purifying salt-washing wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114793522A (en) * | 2022-03-31 | 2022-07-29 | 江苏大学 | Soil saline-washing water recycling system and method based on electro-adsorption combined evaporation condensation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202208671U (en) * | 2011-09-06 | 2012-05-02 | 江苏中圣高科技产业有限公司 | Zero-discharge recovery system for salt-containing wastewater |
| CN207130076U (en) * | 2017-07-28 | 2018-03-23 | 江苏省冶金设计院有限公司 | A kind of brine waste processing system |
| CN207498244U (en) * | 2017-11-20 | 2018-06-15 | 杭州恒畅环保科技有限公司 | A kind of processing unit for high-sulfate organic wastewater |
-
2019
- 2019-03-28 CN CN201910243687.4A patent/CN109942039B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202208671U (en) * | 2011-09-06 | 2012-05-02 | 江苏中圣高科技产业有限公司 | Zero-discharge recovery system for salt-containing wastewater |
| CN207130076U (en) * | 2017-07-28 | 2018-03-23 | 江苏省冶金设计院有限公司 | A kind of brine waste processing system |
| CN207498244U (en) * | 2017-11-20 | 2018-06-15 | 杭州恒畅环保科技有限公司 | A kind of processing unit for high-sulfate organic wastewater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114793522A (en) * | 2022-03-31 | 2022-07-29 | 江苏大学 | Soil saline-washing water recycling system and method based on electro-adsorption combined evaporation condensation method |
| CN114793522B (en) * | 2022-03-31 | 2023-09-22 | 江苏大学 | A soil washing brine recycling system and method using electro-adsorption combined with condensation method |
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| CN109942039B (en) | 2022-07-08 |
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