CN105597527A - Viscose fiber production process exhaust gas treatment method - Google Patents
Viscose fiber production process exhaust gas treatment method Download PDFInfo
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- CN105597527A CN105597527A CN201510952244.4A CN201510952244A CN105597527A CN 105597527 A CN105597527 A CN 105597527A CN 201510952244 A CN201510952244 A CN 201510952244A CN 105597527 A CN105597527 A CN 105597527A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8603—Removing sulfur compounds
- B01D53/8612—Hydrogen sulfide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/32—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by electrical effects other than those provided for in group B01D61/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/44—Organic components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/52—Hydrogen sulfide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8603—Removing sulfur compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/104—Ozone
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/302—Alkali metal compounds of lithium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/304—Hydrogen sulfide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/308—Carbonoxysulfide COS
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
Abstract
The present invention relates to a viscose fiber production process exhaust gas treatment method, and belongs to the technical field of textile industry exhaust gas treatment. Viscose fiber production process exhaust gas is washed with a first-stage alkali spray tower, then enters a low-temperature plasma apparatus for treatment, then enters a catalytic oxidation treatment bed for exhaust gas catalytic oxidation treatment, and finally is introduced by a glass fiber reinforced plastic centrifugal fan into a second-stage alkali spray tower for absorption of residual small molecules in the exhaust gas. Through the above process, carbon disulfide and hydrogen sulfide exhaust gases can be decomposed into CO2, H2O, N2 and other harmless substances, and are discharged up to standards.
Description
Technical field
The present invention relates to a kind of improvement method of waste gas, more particularly, the present invention relates to the improvement method of waste gas in a kind of production process of viscose fiber, belong to textile industry waste gas pollution control and treatment technical field.
Background technology
The waste gas producing in production process of viscose fiber is at present mainly CS2And H2S gas, these waste gas be after extracting out by fiberglass centrifugal blower through processed by alkali spray or other processing after discharge again, but treatment effect is unsatisfactory.
It is CN103331083A that State Intellectual Property Office discloses a publication number in 2013.10.2, and name is called the invention of " recovery process of carbon disulfide in a kind of viscose rayon production ", and this invention provides the recovery process of carbon disulfide in a kind of viscose rayon production. It is characterized in that: the carbon disulfide waste gas that viscose rayon produces in producing is removed after the hydrogen sulfide in waste gas through alkali spray, reclaim carbon disulfide: A by following processing step again) use white oil as absorbent, absorb the carbon disulfide in waste gas, the carbon disulfide rich solution after saturated absorption is cooled to 15 ~ 35 DEG C; B) the carbon disulfide rich solution absorbing after saturated enters Analytic Tower by pump, after liquid distribution trough, is heated to 150 DEG C ~ 170 DEG C, and liquid boiling separates and obtains carbon disulfide gas and lean solution; C) carbon disulfide gas reclaims through condensation, gas-liquid separation the carbon disulfide that condensation is got off. Recovery process absorptivity of the present invention is high, and investment and operating cost are low.
Although technique scheme can reclaim carbon disulfide, finally still there is discharge, cannot resolve into CO2、H2O、N2Etc. innoxious material.
Summary of the invention
The present invention is intended to solve the problem that the waste gas producing in viscose rayon production cannot be decomposed into innocuous gas in prior art, the improvement method of waste gas in a kind of production process of viscose fiber is provided, the carbon disulfide and the hydrogen sulfide gas that in viscose rayon can being produced, produce resolve into innocuous gas, qualified discharge.
In order to realize foregoing invention object, its concrete technical scheme is as follows:
An improvement method for waste gas in production process of viscose fiber, is characterized in that: comprise following methods step:
A, the pretreatment of one-level alkali spray
Alkali spray column is connected, form one-level alkali spray column, carbon disulfide and hydrogen sulfide waste gas, by one-level alkali spray column, through interception, collision and the absorption of alkali lye spray and filler, are removed hydrogen sulfide, a small amount of carbon disulfide and the volatilizable organic compound of dissolubility;
B, reaction decomposes
To in steps A, first dewater through surge tank through the pretreated waste gas of one-level spray column, then be transported to low-temperature plasma device by pipeline, the pollutant in waste gas is decomposed, become little molecular fragment;
C, catalytic oxidation
Step B is delivered to the reaction of catalytic oxidation treatment bed through the waste gas of low-temperature plasma device, and oxidation Decomposition becomes pollution-free material;
D, the post processing of secondary alkali spray
By the series connection of alkali spray column, form secondary alkali spray column, the waste gas by step C after catalytic oxidation decomposes is introduced described secondary alkali spray column by fiberglass centrifugal blower, carries out post processing, gas qualified discharge, absorption liquid is recycled.
The air quantity of waste gas of the present invention is 5-10 ten thousand m3/ h, described one-level alkali spray column is the series connection of 2-6 platform alkali spray column, described secondary alkali spray column is the series connection of 2-6 platform alkali spray column.
The specified tolerance of low-temperature plasma device of the present invention is 5-10 ten thousand m3/ h, peak power 50-80Kw, input voltage 380v.
When the air quantity of described waste gas is 50,000 m3When/h, described one-level alkali spray column is 2 alkali spray column series connection, and described secondary alkali spray column is 2 alkali spray column series connection, and the specification of every spray column is Φ 3600 × 12000mm.
The spray flow 120m of above-mentioned every alkali spray column3/ h, lift 20m, power 11kw, drug concentration 8-10%.
When the air quantity of described waste gas is 100,000 m3When/h, described one-level alkali spray column is 6 alkali spray column series connection, and described secondary alkali spray column is 6 alkali spray column series connection, and the specification of every spray column is Φ 2600 × 7600mm.
The spray flow 55m of above-mentioned every alkali spray column3/ h, lift 25m, power 11kw, drug concentration 8-10%.
The useful technique effect that the present invention brings:
1, the invention solves the problem that the waste gas producing in viscose rayon production cannot be decomposed into innocuous gas in prior art. The present invention enters low-temperature plasma device by the waste gas producing in production process of viscose fiber and processes after the washing of one-level alkali spray column, then enter catalytic oxidation treatment bed waste gas is carried out to catalytic oxidation treatment, finally introduce secondary alkali spray column by fiberglass centrifugal blower tiny molecule remaining in waste gas is absorbed. By said process, carbon disulfide and hydrogen sulfide waste gas can be resolved into CO2、H2O、N2Etc. innoxious material, carry out qualified discharge.
2, all can realize on the spot/teletransmission of all power-equipments of the present invention control, quoting PLC is core control part. Part power-equipment can be realized interlocked control by PLC.
3, this method can effectively be removed the CS producing in production process of viscose fiber2And H2S, makes CS2And H2S can reach state specified standards discharge, thereby improves production garden air quality, improves the working environment of workers, ensures that workman is healthy.
4, the present invention is preferred, defines spray column specification and spray parameter. Under this parameter, can remove widely multiple foul gas, and reach very high removal efficiency. Can, by regulating the circular flow of chemical feeding quantity and solution to adapt to the variation of throughput and concentration, therefore there is stronger operating flexibility. This parameter makes that method efficiency of the present invention is high, cost is low, effective, operate simpler.
5, the present invention is preferred, defines the specification of low-temperature plasma device. Under this specification the processing of low temperature plasma pyrolysis oxidization have energy consumption low, process air quantity large, rinse the advantages such as waste water convenient, that produce is few.
Detailed description of the invention
Embodiment 1
An improvement method for waste gas in production process of viscose fiber, comprises following methods step:
A, the pretreatment of one-level alkali spray
Alkali spray column is connected, form one-level alkali spray column, carbon disulfide and hydrogen sulfide waste gas, by one-level alkali spray column, through interception, collision and the absorption of alkali lye spray and filler, are removed hydrogen sulfide, a small amount of carbon disulfide and the volatilizable organic compound of dissolubility;
B, reaction decomposes
To in steps A, first dewater through surge tank through the pretreated waste gas of one-level spray column, then be transported to low-temperature plasma device by pipeline, the pollutant in waste gas is decomposed, become little molecular fragment;
C, catalytic oxidation
Step B is delivered to the reaction of catalytic oxidation treatment bed through the waste gas of low-temperature plasma device, and oxidation Decomposition becomes pollution-free material;
D, the post processing of secondary alkali spray
By the series connection of alkali spray column, form secondary alkali spray column, the waste gas by step C after catalytic oxidation decomposes is introduced described secondary alkali spray column by fiberglass centrifugal blower, carries out post processing, gas qualified discharge, absorption liquid is recycled.
In spray process, conventional chemical washing equipment is packed absorber, and chemical absorbing liquid is alkaline solution, and chemical absorbing liquid down sprays from tower top, and waste gas is to upper reaches, and waste gas fully contacts, reacts and be removed with absorption liquid.
Alkali spray column is together in series and becomes one-level alkali spray column, for being collected in the waste gas that spinning technique process produces, in alkali spray column, under the effects such as the alkali lye by spray and the interception of filler, collision, absorption, hydrogen sulfide and a small amount of carbon disulfide, the volatilizable organic compound of dissolubility can be dissolved down by preliminary washing, to reduce the follow-up pollution to treatment system. The method is simply effective, invests lowlyer, and pretreating process is absolutely necessary.
Hydrogen sulfide is removed substantially, waste gas dewaters through surge tank (inside establishing filler), be transported to low-temperature plasma device by pipeline again, in low-temperature plasma device, pollutant in high energy electron, free radical isoreactivity particle and waste gas is had an effect, make contaminant molecule within the extremely short time, occur to decompose and destroy, and follow-up various reactions occur to reach the object of degradation of contaminant.
Pass through again catalytic oxidation treatment bed through low-temperature plasma device waste gas after treatment, the ozone further molecular fragment in oxidator that makes full use of plasma generation fully reacts, supported catalyst filler in catalytic oxidation treatment bed fillers, can make residue ozone and contaminant molecule fragment exhaustive oxidation decompose, and do not need to change frequently filler, can ensure long-term disposal effect.
Finally alkali spray column is together in series and becomes secondary alkali spray column. Introducing secondary alkali spray column by fiberglass centrifugal blower again through catalytic oxidation treatment bed waste gas after treatment processes, secondary alkali spray column can absorb and be oxidized to sulphur simple substance and sulfur dioxide, a small amount of sulfur trioxide and micromolecular volatility chemical combination organic matter, gas can be realized qualified discharge, secondary alkali spray column absorption liquid can form niter cake, sodium sulphate, in the time acquiring a certain degree, form higher concentration metabisulfite solution, can purify or recycle.
Embodiment 2
On the basis of embodiment 1:
Preferably, the air quantity of described waste gas is 50,000 m3/ h, described one-level alkali spray column is 2 alkali spray column series connection, described secondary alkali spray column is 2 alkali spray column series connection.
Preferably, the specified tolerance of described low-temperature plasma device is 50,000 m3/ h, peak power 50Kw, input voltage 380v.
Embodiment 3
On the basis of embodiment 1:
Preferably, the air quantity of described waste gas is 100,000 m3/ h, described one-level alkali spray column is 6 alkali spray column series connection, described secondary alkali spray column is 6 alkali spray column series connection.
Preferably, the specified tolerance of described low-temperature plasma device is 100,000 m3/ h, peak power 80Kw, input voltage 380v.
Embodiment 4
On the basis of embodiment 1:
Preferably, the air quantity of described waste gas is 70,000 m3/ h, described one-level alkali spray column is 3 alkali spray column series connection, described secondary alkali spray column is 3 alkali spray column series connection.
Preferably, the specified tolerance of described low-temperature plasma device is 70,000 m3/ h, peak power 60Kw, input voltage 380v.
Embodiment 5
On the basis of embodiment 1:
Preferably, the air quantity of described waste gas is 80,000 m3/ h, described one-level alkali spray column is 5 alkali spray column series connection, described secondary alkali spray column is 5 alkali spray column series connection.
Preferably, the specified tolerance of described low-temperature plasma device is 80,000 m3/ h, peak power 70Kw, input voltage 380v.
Embodiment 6
When the air quantity of described waste gas is 50,000 m3When/h, described one-level alkali spray column is 2 alkali spray column series connection, and described secondary alkali spray column is 2 alkali spray column series connection, and the specification of every spray column is Φ 3600 × 12000mm.
Preferably, the spray flow 120m of every described alkali spray column3/ h, lift 20m, power 11kw, drug concentration 8%.
When the air quantity of described waste gas is 100,000 m3When/h, described one-level alkali spray column is 6 alkali spray column series connection, and described secondary alkali spray column is 6 alkali spray column series connection, and the specification of every spray column is Φ 2600 × 7600mm.
Preferably, the spray flow 55m of every described alkali spray column3/ h, lift 25m, power 11kw, drug concentration 8%.
Embodiment 7
When the air quantity of described waste gas is 50,000 m3When/h, described one-level alkali spray column is 2 alkali spray column series connection, and described secondary alkali spray column is 2 alkali spray column series connection, and the specification of every spray column is Φ 3600 × 12000mm.
Preferably, the spray flow 120m of every described alkali spray column3/ h, lift 20m, power 11kw, drug concentration 10%.
When the air quantity of described waste gas is 100,000 m3When/h, described one-level alkali spray column is 6 alkali spray column series connection, and described secondary alkali spray column is 6 alkali spray column series connection, and the specification of every spray column is Φ 2600 × 7600mm.
Preferably, the spray flow 55m of every described alkali spray column3/ h, lift 25m, power 11kw, drug concentration 10%.
Embodiment 8
When the air quantity of described waste gas is 50,000 m3When/h, described one-level alkali spray column is 2 alkali spray column series connection, and described secondary alkali spray column is 2 alkali spray column series connection, and the specification of every spray column is Φ 3600 × 12000mm.
Preferably, the spray flow 120m of every described alkali spray column3/ h, lift 20m, power 11kw, drug concentration 9%.
When the air quantity of described waste gas is 100,000 m3When/h, described one-level alkali spray column is 6 alkali spray column series connection, and described secondary alkali spray column is 6 alkali spray column series connection, and the specification of every spray column is Φ 2600 × 7600mm.
Preferably, the spray flow 55m of every described alkali spray column3/ h, lift 25m, power 11kw, drug concentration 9%.
Embodiment 9
When the air quantity of described waste gas is 50,000 m3When/h, described one-level alkali spray column is 2 alkali spray column series connection, and described secondary alkali spray column is 2 alkali spray column series connection, and the specification of every spray column is Φ 3600 × 12000mm.
Preferably, the spray flow 120m of every described alkali spray column3/ h, lift 20m, power 11kw, drug concentration 8.5%.
When the air quantity of described waste gas is 100,000 m3When/h, described one-level alkali spray column is 6 alkali spray column series connection, and described secondary alkali spray column is 6 alkali spray column series connection, and the specification of every spray column is Φ 2600 × 7600mm.
Preferably, the spray flow 55m of every described alkali spray column3/ h, lift 25m, power 11kw, drug concentration 8.5%.
Claims (7)
1. an improvement method for waste gas in production process of viscose fiber, is characterized in that: comprise following methods step:
A, the pretreatment of one-level alkali spray
Alkali spray column is connected, form one-level alkali spray column, carbon disulfide and hydrogen sulfide waste gas, by one-level alkali spray column, through interception, collision and the absorption of alkali lye spray and filler, are removed hydrogen sulfide, a small amount of carbon disulfide and the volatilizable organic compound of dissolubility;
B, reaction decomposes
To in steps A, first dewater through surge tank through the pretreated waste gas of one-level spray column, then be transported to low-temperature plasma device by pipeline, the pollutant in waste gas is decomposed, become little molecular fragment;
C, catalytic oxidation
Step B is delivered to the reaction of catalytic oxidation treatment bed through the waste gas of low-temperature plasma device, and oxidation Decomposition becomes pollution-free material;
D, the post processing of secondary alkali spray
By the series connection of alkali spray column, form secondary alkali spray column, the waste gas by step C after catalytic oxidation decomposes is introduced described secondary alkali spray column by fiberglass centrifugal blower, carries out post processing, gas qualified discharge, absorption liquid is recycled.
2. the improvement method of waste gas in a kind of production process of viscose fiber according to claim 1, is characterized in that: the air quantity of described waste gas is 5-10 ten thousand m3/ h, described one-level alkali spray column is the series connection of 2-6 platform alkali spray column, described secondary alkali spray column is the series connection of 2-6 platform alkali spray column.
3. the improvement method of waste gas in a kind of production process of viscose fiber according to claim 1, is characterized in that: the specified tolerance of described low-temperature plasma device is 5-10 ten thousand m3/ h, peak power 50-80Kw, input voltage 380v.
4. the improvement method of waste gas in a kind of production process of viscose fiber according to claim 2, is characterized in that: when the air quantity of described waste gas is 50,000 m3When/h, described one-level alkali spray column is 2 alkali spray column series connection, and described secondary alkali spray column is 2 alkali spray column series connection, and the specification of every spray column is Φ 3600 × 12000mm.
5. the improvement method of waste gas in a kind of production process of viscose fiber according to claim 4, is characterized in that: the spray flow 120m of every described alkali spray column3/ h, lift 20m, power 11kw, drug concentration 8-10%.
6. the improvement method of waste gas in a kind of production process of viscose fiber according to claim 2, is characterized in that: when the air quantity of described waste gas is 100,000 m3When/h, described one-level alkali spray column is 6 alkali spray column series connection, and described secondary alkali spray column is 6 alkali spray column series connection, and the specification of every spray column is Φ 2600 × 7600mm.
7. the improvement method of waste gas in a kind of production process of viscose fiber according to claim 6, is characterized in that: the spray flow 55m of every described alkali spray column3/ h, lift 25m, power 11kw, drug concentration 8-10%.
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Cited By (5)
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| CN107281885A (en) * | 2017-08-17 | 2017-10-24 | 东方弗瑞德（北京）科技有限公司 | The processing method of waste gas during a kind of titanium sponge production |
| CN108452668A (en) * | 2018-03-02 | 2018-08-28 | 山东派力迪环保工程有限公司 | Coke-oven plant's sewage plant waste gas treatment process |
| CN112206632A (en) * | 2020-09-30 | 2021-01-12 | 南京格洛特环境工程股份有限公司 | Adsorption recovery and heterogeneous catalytic oxidation treatment of CS-containing materials2System for exhaust gas |
| CN112237838A (en) * | 2020-09-29 | 2021-01-19 | 南京格洛特环境工程股份有限公司 | System and method for deeply treating low-concentration CS2 by heterogeneous catalytic oxidation technology |
| CN113041823A (en) * | 2021-03-18 | 2021-06-29 | 武汉三立鼎兴科技有限公司 | Carbon disulfide emission control method |
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