CN111111416A - A novel gas washing system for landfill leachate handles - Google Patents
A novel gas washing system for landfill leachate handles Download PDFInfo
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F2103/06—Contaminated groundwater or leachate
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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Abstract
The invention provides a novel gas washing system for landfill leachate treatment, which comprises an acid washing gas system and an alkali washing gas system; the acid washing gas system comprises an acid washing gas tower, an acid tower spraying water tank, an acid slurry storage tank, a first acid tower circulating pump matched with the acid washing gas tower, a second acid tower circulating pump matched with the acid tower spraying water tank and an acid slurry pump matched with the acid slurry storage tank; the alkali washing gas system comprises an alkali air spray tower, an alkali washing gas tower, an alkali spraying water tank, an alkali slurry storage tank, a first alkali tower circulating pump matched with the alkali air spray tower, a second alkali tower circulating pump matched with the alkali washing gas tower, an alkali tower circulating pump matched with the alkali spraying water tank and an alkali slurry pump matched with the alkali slurry storage tank. The novel gas washing system for treating the landfill leachate has the advantages of small occupied area, low energy consumption and large treatment capacity, and can effectively treat COD (chemical oxygen demand) and ammonia nitrogen in the landfill leachate steam.
Description
Technical Field
The invention relates to a sewage treatment technology, in particular to a novel gas washing system for treating landfill leachate.
Background
In the thirteen-five period, water is required to be fully recognized as treasure, water body treatment in China needs to be mainly realized that water pollution control must be realized from source decrement, and sewage and waste water are expensive resources, and the recycling and energy regeneration of the sewage and the waste water are realized. Meanwhile, the research and application of sewage and wastewater treatment technologies are emphasized, and the water resource regeneration utilization rate is improved. In terms of the water shortage problem of Beijing, the recycling rate of the Beijing sewage is less than 50 percent, while the water recycling rate of Israel is up to 90 percent similar to that of Beijing, and the export of agricultural products of Israel is realized. The importance of water resource recycling is fully reflected.
Water is a source of life, and no ecological industry or ecological cities exist without water conservation and protection. With the acceleration of the urbanization process of China, the industrial development is rapid, the urban population is continuously expanded and the scale is continuously enlarged, and the generated various waste water is increased. Such as kitchen waste water, domestic sewage, coking waste water, industrial sewage, landfill leachate and the like. The treatment difficulty is high COD and high ammonia nitrogen.
The method for removing COD and ammonia nitrogen in the current sewage treatment process in China is carried out under the condition of liquid.
The ion exchange process depends on the exchange adsorption of COD and ammonia nitrogen in the distilled water by ion exchange resin, so that the effluent can reach the standard, but the resin exchange capacity is limited, the treatment capacity is extremely low, and the resin cannot be timely reduced after supersaturation and can be punctured, so that the system and the stable and continuous production cannot be realized. And the cost is high when the resin needs to be regenerated after saturation, and the biggest problem is that a large amount of waste liquid containing ammonia nitrogen and COD is generated in the resin reduction process, and secondary pollution is caused.
The DTRO process completely depends on a high-pressure membrane for forced filtration, has high operation cost, low water yield, high concentrated solution content of 45-55 percent, high operation difficulty in winter and the like, and has the problems that later-stage operation accessories and membrane components are easy to damage and are high in price.
Disclosure of Invention
The invention aims to provide a novel gas washing system for treating landfill leachate, aiming at the problem that the conventional processes such as ion exchange and DTRO can not meet the high standard requirement of the existing sewage treatment, the system can solve the problems of high COD and high ammonia nitrogen of the landfill leachate, has small occupied area, low energy consumption and large treatment capacity, and can effectively treat the wastewater with high COD and high ammonia nitrogen.
In order to achieve the purpose, the invention adopts the technical scheme that: a novel gas washing system for landfill leachate treatment comprises a pickling gas washing system and an alkali gas washing system;
the acid washing gas system comprises an acid washing gas tower, an acid tower spraying water tank, an acid slurry storage tank, a first acid tower circulating pump matched with the acid washing gas tower, a second acid tower circulating pump matched with the acid tower spraying water tank and an acid slurry pump matched with the acid slurry storage tank; a first acid spraying system and a second acid spraying system are arranged at the top in the acid washing gas tower, the second acid spraying system is positioned above the first acid spraying system, a steam inlet of the acid washing gas tower is positioned below the first acid spraying system, the bottom of the acid washing gas tower is communicated with the first acid spraying system through a first acid tower circulating pump, a liquid collecting port of the second acid spraying system is communicated with an outlet of an acid tower spraying water tank, an outlet of the acid tower spraying water tank is communicated with an inlet of the second acid spraying system through a second acid tower circulating pump, and an outlet of an acid slurry storage tank is communicated with an acid slurry pump;
the alkali washing gas system comprises an alkali air spray tower, an alkali washing gas tower, an alkali spraying water tank, an alkali slurry storage tank, a first alkali tower circulating pump matched with the alkali air spray tower, a second alkali tower circulating pump matched with the alkali washing gas tower, an alkali tower circulating pump matched with the alkali spraying water tank and an alkali slurry pump matched with the alkali slurry storage tank; the steam outlet of the acid gas washing tower is communicated with the steam inlet of the alkaline air spray tower, and the steam outlet of the alkaline air spray tower is communicated with the steam inlet of the alkaline gas washing tower; a spraying system is arranged at the top in the alkali air spray tower, a first alkali spraying system and a second alkali spraying system are arranged at the top in the alkali gas washing tower, the second alkali spraying system is arranged above the first alkali spraying system, and a steam inlet of the alkali gas washing tower is positioned below the first alkali spraying system; the first alkali tower circulating pump is used for communicating an alkali air spray tower with a spray system of the alkali air spray tower, the second alkali tower circulating pump is used for communicating the bottom of an alkali washing gas tower body with the first alkali spray system, a liquid collecting port of the second alkali spray system is communicated with an alkali spray water tank outlet, the alkali tower circulating pump is used for communicating an alkali spray water tank outlet with an inlet of the second alkali spray system, and an alkali slurry pump is communicated with an outlet of an alkali slurry storage tank.
Further, the novel scrubbing system operates at a temperature of 60 ℃ to 115 ℃, preferably 70 ℃ to 100 ℃.
Furthermore, a filler is arranged in the acid scrubbing tower, and a filler is arranged in the alkali scrubbing tower.
Furthermore, the acid washing gas system is provided with an automatic temperature measuring system, and the alkaline washing gas system is provided with an automatic temperature measuring system.
Furthermore, the acid gas washing system is provided with a liquid level automatic control system, and the alkali gas washing system is provided with a liquid level automatic control system.
Further, the acid gas washing system is provided with an automatic acid supplementing system, and the alkali gas washing system is provided with an automatic alkali supplementing system.
Further, an acid demister is arranged above a second acid spraying system in the acid pickling gas system, and an alkali-acid demister is arranged above a second alkali spraying system of the alkali pickling gas system.
The working principle of the novel gas washing system for treating the landfill leachate comprises the following steps: steam to be treated (steam generated after heating and evaporating the landfill leachate) enters the first acid spraying system through a steam pipeline, ammonia in the steam reacts with spraying liquid (acid liquid) sprayed by the first acid spraying system, the spraying liquid after the reaction flows into the bottom of the acid washing gas tower, and the spraying liquid in the acid washing gas tower is pumped back to the first acid spraying system through an acid tower circulating pump, so that the cyclic use of the spraying liquid is realized. The spray liquid of the invention includes but is not limited to dilute sulfuric acid, the dilute sulfuric acid reacts with ammonia in steam to generate ammonium sulfate, the ammonium sulfate reaches a saturated state along with the continuous reaction, and the ammonium sulfate is crystallized and separated out in a lower cylinder of an acid washing gas tower.
After steam is in spray contact with the spray liquid of the first acid spray system, the steam continues to rise to react with the acid spray liquid sprayed by the second acid spray system, the part of spray liquid is clean spray liquid in the acid tower spray water tank, the part of spray liquid after reaction enters the acid tower spray water tank through the liquid collecting port and is not mixed with the liquid sprayed by the first acid spray system, so that the liquid in the acid tower spray water tank can be kept crystallized for a long time, and the service life of the acid liquid is prolonged.
The steam sprayed by the acid scrubbing tower is subjected to liquid drop removal in the steam through an acid demister, then the steam enters the alkali air spray tower through a steam pipeline, volatile organic compounds in the steam react with spray liquid (alkali liquor) sprayed by a spray system of the alkali air spray tower in the alkali air spray tower, the spray liquid after reaction enters the bottom of the alkali air spray tower, and the spray liquid in the alkali air spray tower is pumped back to the spray system of the alkali air spray tower through a first alkali tower circulating pump, so that the spray liquid is recycled. The spray liquid of the invention includes but is not limited to sodium hydroxide, the dilute alkali reacts with volatile organic compounds in steam to generate organic sodium salt, and the organic sodium salt reaches a saturated state along with the reaction and is crystallized and separated out in a cylinder body at the lower part of the alkali empty spray tower.
Steam enters the alkali gas washing tower after being sprayed by the alkali air spray tower, the steam firstly reacts with spray liquid (alkali liquor) sprayed by the first alkali spray system, the spray liquid after reaction flows into the alkali gas washing tower, and the spray liquid in the alkali gas washing tower is pumped back to the first alkali spray system through an alkali tower circulating pump, so that the cyclic use of the spray liquid is realized. The spray liquid of the invention includes but is not limited to sodium hydroxide, the dilute alkali reacts with volatile organic compounds in steam to generate organic sodium salt, and the organic sodium salt reaches a saturated state along with the continuous reaction and is crystallized and separated out in a cylinder body at the lower part of the alkaline washing gas tower.
After steam is contacted with the spraying liquid of the first alkali spraying system, the steam continuously rises to react with the alkali spraying liquid sprayed by the second alkali spraying system, the part of spraying liquid is clean spraying liquid in the alkali spraying water tank, the part of spraying liquid after reaction enters the alkali spraying water tank through the liquid collecting port and is not mixed with the liquid sprayed by the first alkali spraying system, so that the liquid in the alkali spraying water tank can be kept crystallized for a long time, and the service life of alkali liquor is prolonged.
The novel gas washing system for treating the landfill leachate has a simple, reasonable and compact structure, and has the following advantages compared with the prior art:
1) the novel gas washing system for treating the landfill leachate has the advantages that the acid washing system and the alkali washing system are in a certain sequence, and steam firstly passes through the acid washing system and then passes through the alkali washing system. The arrangement not only saves cost, but also reduces the corrosion to subsequent equipment while ensuring the treatment effect.
2) The working temperature of the novel gas washing system for treating the landfill leachate can be any temperature point between 60 ℃ and 115 ℃, the working temperature range is narrow, only pollutants at the evaporation temperature point enter steam, and high-quality effluent can be ensured.
The invention relates to a novel gas washing system for treating landfill leachate, wherein fillers are respectively arranged in an acid washing gas tower and an alkaline washing gas tower, a layer of filler is arranged in the acid washing gas tower according to the characteristics of pollutants in steam after the landfill leachate is subjected to evaporation treatment, and two layers of fillers are arranged in the alkaline washing gas tower.
3) The novel gas washing system for treating the landfill leachate is characterized in that the acid washing gas system and the alkali washing gas system are respectively provided with a temperature measuring system, and the operation of the whole system can be monitored through the independent temperature measuring systems, so that the statistics and analysis of parameters are facilitated.
4) According to the novel gas washing system for treating the landfill leachate, disclosed by the invention, the acid washing gas system and the alkali washing gas system are respectively provided with the liquid level automatic control system, the change of the liquid level in the operation process of the system can be monitored through the independent control systems, the change of the liquid level and the starting and stopping of the pump are associated together, and the adjustment and the control of the operation process are convenient.
5) The novel gas washing system for treating the landfill leachate is characterized in that the acid washing gas system and the alkali washing gas system are respectively provided with the spiral solid conical nozzles, the spray shapes of the nozzles are circular, the distribution is uniform, the application ranges of pressure and flow are wide, and the control and uniform spray distribution of the effluent are ensured by the unique blade design and the large-flow channel.
6) The novel gas washing system for treating the landfill leachate is characterized in that the acid washing system and the alkali washing system are respectively provided with a corresponding automatic acid/alkali supplementing system. The degree of automation is high, reduces manual operation, can realize unmanned on duty.
The invention relates to a novel gas washing system for landfill leachate treatment, which mainly aims at the problems that COD and ammonia nitrogen are not thoroughly removed and do not reach the standard in the existing sewage treatment and the high-standard requirements cannot be met.
Drawings
FIG. 1 is a schematic structural diagram of a novel scrubbing system of the present invention;
fig. 2 is a flow chart of a novel scrubbing system of the present invention.
Detailed Description
The invention is further illustrated by the following examples:
example 1
The embodiment discloses application of a novel gas washing system in landfill leachate treatment, and the structure of the novel gas washing system is shown in figure 1, and the novel gas washing system comprises an acid washing gas system and an alkali washing gas system, wherein the evaporation temperatures of the acid washing gas system and the alkali washing gas system are 60-115 ℃.
The acid washing gas system comprises an acid washing gas tower 9, an acid tower spray water tank 7, an acid slurry storage tank 10, a first acid tower circulating pump 1 matched with the acid washing gas tower, a second acid tower circulating pump 8 matched with the acid tower spray water tank, and an acid slurry pump 11 matched with the acid slurry storage tank; a first acid spraying system 3 and a second acid spraying system 5 are arranged at the top in the acid washing gas tower 9, the second acid spraying system 5 is positioned above the first acid spraying system 3, a steam inlet of the acid washing gas tower 9 is positioned below the first acid spraying system 3, the bottom of the acid washing gas tower 9 is communicated with the first acid spraying system 3 through a first acid tower circulating pump 1, a liquid collecting port 6 of the second acid spraying system is communicated with an outlet of an acid tower spraying water tank 7, an outlet of the acid tower spraying water tank 7 is communicated with an inlet of the second acid spraying system 5 through a second acid tower circulating pump 8, and an outlet of an acid slurry liquid pump 11 is communicated with an outlet of an acid slurry storage tank 10; the acid washing gas system is provided with an acid washing automatic temperature measuring system 28. The acid washing gas system is provided with an acid washing liquid level automatic control system 30. The acid washing gas system is provided with an automatic acid supplementing system 12, and the automatic acid supplementing system 12 is communicated with the bottom of the acid washing gas tower 9. An acid demister 4 is arranged above the second acid spraying system 5 in the acid pickling gas system. Acid tower fillers 2 are arranged below a second acid spraying system 5 and above a liquid collecting port 6 of the second acid spraying system in the acid scrubbing tower, and the fillers are rosette fillers.
The alkali washing gas system comprises an alkali empty spray tower 13, an alkali washing gas tower 24, an alkali spraying water tank 22, an alkali slurry storage tank 26, a first alkali tower circulating pump 15 matched with the alkali empty spray tower, a second alkali tower circulating pump 25 matched with the alkali washing gas tower, an alkali tower circulating pump 23 matched with the alkali spraying water tank and an alkali slurry pump 27 matched with the alkali slurry storage tank; a steam outlet of the acid gas washing tower 9 is communicated with a steam inlet of an alkaline air spray tower 13, and a steam outlet of the alkaline air spray tower 13 is communicated with a steam inlet of an alkaline gas washing tower 24; a spraying system 14 is arranged at the top in the alkali empty spray tower, a first alkali spraying system 18 and a second alkali spraying system 20 are arranged at the top in the alkali gas washing tower 24, the second alkali spraying system 20 is arranged above the first alkali spraying system 18, and a steam inlet of the alkali gas washing tower 24 is positioned below the first alkali spraying system 18; the first alkali tower circulating pump 15 communicates an alkali empty spray tower 13 with a spray system 14 of the alkali empty spray tower, the second alkali tower circulating pump 25 communicates the bottom of an alkali gas washing tower 24 with the first alkali spray system 18, a liquid collecting port 21 of the second alkali spray system communicates with an outlet of an alkali spray water tank 22, the alkali tower circulating pump 23 communicates an outlet of the alkali spray water tank 22 with an inlet of a second alkali spray system 20, and an alkali slurry pump 27 communicates with an outlet of an alkali slurry storage tank 26. The alkali gas washing system is provided with an alkali washing automatic temperature measuring system 29. The alkali gas washing system is provided with an alkali washing liquid level automatic control system 31. The alkali gas washing system is provided with an automatic alkali supplementing system 16. An alkali-acid demister 19 is arranged above the second alkali spraying system 20 of the alkali gas washing system. And an alkali tower filler 17 is arranged below a second alkali spraying system 20 and above a liquid collecting port 21 of the second alkali spraying system in the alkali gas washing tower, and the alkali tower filler is a garland filler.
The working principle of the novel scrubbing system for landfill leachate treatment in the embodiment is as shown in fig. 1 and 2, and comprises the following steps: steam to be treated enters the first acid spraying system 3 through a steam pipeline, ammonia in the steam reacts with spraying liquid (acid liquid) sprayed by the first acid spraying system 3, the spraying liquid after the reaction flows into the bottom of the acid washing gas tower 9, and the spraying liquid in the acid washing gas tower 9 is pumped back to the first acid spraying system 3 through the first acid tower circulating pump 1, so that the cyclic use of the spraying liquid is realized. The spray liquid of the invention includes but is not limited to dilute sulphuric acid, the dilute sulphuric acid reacts with ammonia in steam to generate ammonium sulfate, the ammonium sulfate reaches a saturated state along with the continuous reaction, and the ammonium sulfate is crystallized and separated out in a lower cylinder of the acid washing gas tower 9.
After steam is in spray contact with the spray liquid of the first acid spray system 3, the steam continuously rises to react with the acid spray liquid sprayed by the second acid spray system 5, the part of the spray liquid is clean spray liquid in the acid tower spray water tank 7, the part of the spray liquid after reaction enters the acid tower spray water tank 7 through the liquid collecting port 6 of the second acid spray system and is not mixed with the liquid sprayed by the first acid spray system 3, so that the liquid in the acid tower spray water tank 7 can be kept for long-term crystallization, and the service life of the acid liquid is prolonged.
The steam sprayed by the acid scrubbing tower 9 is passed through the acid demister 4 to remove liquid drops carried in the steam, then the steam enters the alkaline air spray tower 13 through a steam pipeline, in the alkaline air spray tower 13, volatile organic compounds in the steam react with spray liquid (alkali liquor) sprayed by a spray system of the alkaline air spray tower 13, the spray liquid after the reaction enters the bottom of the alkaline air spray tower 13, and the spray liquid in the alkaline air spray tower 13 is pumped back to the spray system of the alkaline air spray tower 13 through a first alkaline tower circulating pump 15, so that the cyclic use of the spray liquid is realized. The spray liquid of the invention includes but is not limited to sodium hydroxide, the dilute alkali reacts with volatile organic compounds in the steam to generate organic sodium salt, and the organic sodium salt reaches a saturated state along with the reaction and is crystallized and separated out in a cylinder body at the lower part of the alkali empty spray tower 13.
The steam enters the alkali gas washing tower 24 after being sprayed by the alkali air spray tower 13, the steam firstly reacts with spray liquid (alkali liquor) sprayed by the first alkali spray system 18, the spray liquid after the reaction flows into the alkali gas washing tower 24, the spray liquid in the alkali gas washing tower 24 is pumped back to the first alkali spray system 18 through the second alkali tower circulating pump 25, and then the cyclic use of the spray liquid is realized. The spray liquid of the invention includes but is not limited to sodium hydroxide, the dilute alkali reacts with volatile organic compounds in the steam to generate organic sodium salt, and the organic sodium salt reaches a saturated state along with the continuous reaction and is crystallized and separated out in a cylinder body at the lower part of the alkaline washing gas tower 24.
After the steam is contacted with the spraying liquid of the first alkali spraying system 18, the steam continuously rises to react with the alkali spraying liquid sprayed by the second alkali spraying system 20, the part of the spraying liquid is clean spraying liquid in the alkali spraying water tank 22, the part of the spraying liquid after the reaction enters the alkali spraying water tank 22 through the liquid collecting port 21 and is not mixed with the liquid sprayed by the first alkali spraying system 18, the liquid in the alkali spraying water tank 22 can be kept crystallized for a long time, and the service life of the alkali liquor is prolonged.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. A novel gas washing system for landfill leachate treatment is characterized by comprising an acid washing gas system and an alkali washing gas system;
the acid washing gas system comprises an acid washing gas tower (9), an acid tower spraying water tank (7), an acid slurry storage tank (10), a first acid tower circulating pump (1) matched with the acid washing gas tower, a second acid tower circulating pump (8) matched with the acid tower spraying water tank and an acid slurry pump (11) matched with the acid slurry storage tank; a first acid spraying system (3) and a second acid spraying system (5) are arranged at the top in the acid washing gas tower (9), the second acid spraying system (5) is positioned above the first acid spraying system (3), a steam inlet of the acid washing gas tower (9) is positioned below the first acid spraying system (3), the bottom of the acid washing gas tower (9) is communicated with the first acid spraying system (3) through a first acid tower circulating pump (1), a liquid collecting port (6) of the second acid spraying system is communicated with an outlet of an acid tower spraying water tank (7), an outlet of the acid tower spraying water tank (7) is communicated with an inlet of the second acid spraying system (5) through a second acid tower circulating pump (8), and an outlet of an acid slurry storage tank (10) is communicated with an acid slurry liquid pump (11);
the alkali washing gas system comprises an alkali empty spray tower (13), an alkali washing gas tower (24), an alkali spraying water tank (22), an alkali slurry storage tank (26), a first alkali tower circulating pump (15) matched with the alkali empty spray tower, a second alkali tower circulating pump (25) matched with the alkali washing gas tower, an alkali tower circulating pump (23) matched with the alkali spraying water tank and an alkali slurry pump (27) matched with the alkali slurry storage tank; a steam outlet of the acid washing gas tower (9) is communicated with a steam inlet of an alkaline air spray tower (13), and a steam outlet of the alkaline air spray tower (13) is communicated with a steam inlet of an alkaline washing gas tower (24); a spraying system (14) is arranged at the top in the alkali empty spraying tower, a first alkali spraying system (18) and a second alkali spraying system (20) are arranged at the top in the alkali gas washing tower (24), the second alkali spraying system (20) is arranged above the first alkali spraying system (18), and a steam inlet of the alkali gas washing tower (24) is positioned below the first alkali spraying system (18); the alkali air spray tower (13) is communicated with a spray system (14) of the alkali air spray tower through a first alkali tower circulating pump (15), the bottom of an alkali gas wash tower (24) body is communicated with the first alkali spray system (18) through a second alkali tower circulating pump (25), a liquid collecting opening (21) of the second alkali spray system is communicated with an outlet of an alkali spray water tank (22), an outlet of the alkali spray water tank (22) is communicated with an inlet of a second alkali spray system (20) through an alkali tower circulating pump (23), and an alkali slurry pump (27) is communicated with an outlet of an alkali slurry storage tank (26).
2. The novel scrubbing system for landfill leachate treatment according to claim 1, wherein the novel scrubbing system operates at a temperature of 60 ℃ to 115 ℃.
3. The novel scrubbing system for landfill leachate treatment according to claim 1, wherein the acid scrubbing tower is filled with packing, and the alkaline scrubbing tower is filled with packing.
4. The novel scrubbing system for landfill leachate treatment according to claim 1, wherein the acid scrubbing system is provided with an automatic temperature measurement system, and the alkaline scrubbing system is provided with an automatic temperature measurement system.
5. The novel scrubbing system for landfill leachate treatment according to claim 1, wherein said acid scrubbing system is provided with an automatic liquid level control system, and said alkali scrubbing system is provided with an automatic liquid level control system.
6. The novel scrubbing system for landfill leachate treatment according to claim 1, wherein said acid scrubbing system is provided with an automatic acid supplementing system, and said alkali scrubbing system is provided with an automatic alkali supplementing system.
7. The novel scrubbing system for landfill leachate treatment according to claim 1, wherein an acid demister (4) is arranged above the second acid spraying system (5) in the acid scrubbing system, and an alkali demister (19) is arranged above the second alkali spraying system (20) in the alkali scrubbing system.
Priority Applications (1)
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| CN202010118603.7A CN111111416A (en) | 2020-02-26 | 2020-02-26 | A novel gas washing system for landfill leachate handles |
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| CN202010118603.7A CN111111416A (en) | 2020-02-26 | 2020-02-26 | A novel gas washing system for landfill leachate handles |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112551621A (en) * | 2020-12-21 | 2021-03-26 | 大连广泰源环保科技有限公司 | Multi-flow alkali gas washing device and application thereof |
| CN114082290A (en) * | 2021-11-04 | 2022-02-25 | 中创水务科技环保(广东)有限公司 | Method for advanced treatment of secondary steam COD in landfill leachate by MVR evaporation process |
| CN114634271A (en) * | 2022-02-09 | 2022-06-17 | 中创水务科技环保(广东)有限公司 | Waste water zero-discharge treatment process for garbage transfer station |
-
2020
- 2020-02-26 CN CN202010118603.7A patent/CN111111416A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112551621A (en) * | 2020-12-21 | 2021-03-26 | 大连广泰源环保科技有限公司 | Multi-flow alkali gas washing device and application thereof |
| CN114082290A (en) * | 2021-11-04 | 2022-02-25 | 中创水务科技环保(广东)有限公司 | Method for advanced treatment of secondary steam COD in landfill leachate by MVR evaporation process |
| CN114634271A (en) * | 2022-02-09 | 2022-06-17 | 中创水务科技环保(广东)有限公司 | Waste water zero-discharge treatment process for garbage transfer station |
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