TT waste gas is dealt with / (put in order)
VOC organic waste gas administration commonsense method
Except daily adsorption method, absorb law, catalyze the intersection of burning and law, heating power, burn law, and biological reagent sprays the law. While selecting for use and purifying the method, low, few not polluted by twice methods of consuming energy that should select the expenses for use preferably according to detailed conditions, try hard to melt and hurt it for the profit, fully recycle composition and remaining energy. Under most situations, the petrochemical industry, because of arranging the angry density high, adopt methods such as condensing, absorption, burning directly,etc.; The trade, because of arranging the angry density low, adopt the method of absorbing, catalyzing and burning etc. that the coating is constructed, printed,etc.. Industrial waste gas that introduce newly at present deal with the intersection of light and principle utilize a purpose-built one to be high can high ultraviolet light beam, UV of ozone, shine the intersection of stench and the intersection of gas and key, member of material, it is cracked for stench gas material like,it is green environmental protection new developing direction. The organic waste gas is managed and condensed and retrieved the law to channel the organic waste gas into the condenser and absorb, absorb, solve the board, separate for directly, recoverable and valuable organic matter, this law is suitable for the operating mode of the organic waste gas with high, low in temperature, with small air volume density, need subsidiary freezing equipment, mainly apply to pharmacy, chemical trade, the printing enterprise is less likely to adopt.
Organic waste gas control, absorb law, adopt physics absorb generally, introduce, absorb liquid, stock, purify namely waste gas, heated, analyzed, condensed and retrieve after absorbing the liquid saturation; This law is suitable for atmospheric quantity, low temperature, waste gas of the low density, but need to allocate and heat and analyze the recovery device, the investment large in volume of the apparatus is relatively high. Generally adopt the active charcoal adsorption method: Absorb the waste gas through the active charcoal, after the absorption saturation, the active charcoal takes off and encloses regeneration, blow and take off, catalyze and burn the waste gas, turn into the harmless material, the active charcoal after regenerating continues using. After active charcoal regeneration reaches certain number of times, the absorption capacity obviously drops, need to regenerate or upgrade the active charcoal. The active charcoal is to deal with the organic waste gas to use most methods at present, have good absorption performance to the benzene waste gas, but relatively bad to the hydrocarbon waste gas. The main shortcoming is that the operating cost is relatively high, not suitable for the environment great in humidity, but as to the market should use at present, it is commonly most used to adopt the active charcoal to absorb. The active charcoal is adopted at most: Active charcoal particle and active charcoal fiber, it is cheaper to adopt the particle price of active charcoal, but the result is a bit worse, are compared to say that it is relatively a bit higher to adopt the fibrous price of active charcoal, the result is better.
Organic waste gas control activated carbon fiber (ACF)
(1) , it is bigger than surface area, the absorbing amount is high effectively. Because same surface area of fiber of weight particle more close, the weight of activated carbon fiber packed is very little, but absorption efficiency is very high, according to the difference between organic gas content and other physical characteristics of the waste gas dealt with, absorption efficiency is between 85% and 98%, the multistage absorption craft can be up to 99.99%, is well-above 88% of supreme absorption rate of the activated carbon particle adsorption method, and volume and total weight are very small. (2) , absorption. Take off and enclose the journey short, fast; Take off and enclose. Regeneration consumes energy low. ACF, to the organic gas absorbing amount than the granular active charcoal (GAC) Big several times have very good absorption ability to the inorganic gas too to dozens of times, and can keep higher absorption taking off and enclosing speed and longer service life. Such as heating with vapor for 6-10 minutes, can totally take off and enclose, heat-resisting and of good performance, high temperature resistant over 1000 ¡æ in the inert gas, some reaches over 500 ¡æ to catch fire in the air. (3) , the shape is variable, easy to use. Because activated carbon fiber can be made into the felt type, it is very convenient to change, will not cause any danger to the human body. (4) , can produce specialized ACF with special performance according to the need; The intensity is good, will not cause the organic waste gas of secondary pollution to manage and burn the law and utilize auxiliary fuel such as gas or fuel to burn directly, heat the mist, make the harmful substance resolve under high-temperature function into the harmless material; Simple technological process of this law, investment are small, suitable for the waste gas of high density, small air volume, but have relatively high expectations for safe practice, operation. The organic waste gas is managed to catalyze and burn a waste gas in France? ? It is hot and is catalyzed and burn and transformed into harmless carbon dioxide and water without bad smell; This France gets up to fire the temperature low, energy-conservation, purifying rate are high, easy to operate, floor space is less, investment is relatively large, suitable for the organic waste gas of the high temperature or high density.
Organic waste gas administration adsorption method ( 1) Direct adsorption method: The organic waste gas is absorbed by the active charcoal, but the purification rate more than 95%, the apparatus is simple, investment is small, but the active charcoal is changed frequently, has increased the working routine of loading and unloading, transporting, changing etc., lead to the fact that the expenses increase to run. ( 2) Absorb – the retrieving law: Utilized active charcoal of fiber to absorb the organic waste gas, used the hot steam blowback after close to the saturation, take off and enclose regeneration; This law demands to offer essential vaporized quantity. ( 3) It is absorbed that new – catalyze and burn the law: Comprehensive adsorption method of this law and catalyzing the advantage of burning the law, adopt and absorb materials (alveolate active charcoal) newly Absorb,in closing to drinking and after if you can’t introduce by hot air, take off enclose, analyze, being taken off waste gas be catalyzed to if you can’t last bed, burn as flame to be introduced after enclosing, purify it completely, the hot gas is recycled in the system, reduce energy consumption greatly. Law this have, run stable and reliable, the intersection of investment and provincial, low maintaining characteristicking such as being convenient operating cost, suitable for the waste gas of large air volume, low density to manage, manage riper, practicaller method of the organic waste gas at home at present.
The active charcoal sucks and tells the tower purple and cold outside to burn the deodorization apparatus swirl waste gas purifying column
UV mere solution of managing the ultraviolet lamp of the organic waste gas
Deal with the industrial waste gas in the centre and deal with the light and adopt the high-accuracy, high ozone quartz pipe to be made in Shanxi TT waste gas, the principle can utilize the purpose-built one high high ozone UV ultraviolet light beam shines the gas material molecule key of stench, gas material of cracked stench, for instance: Ammonia, the intersection of the first, second and third and amine, the intersection of sulfide and hydrogen, first the intersection of sulphur and hydrogen, first the intersection of sulphur and alcohol, first the intersection of sulphur and ether, two first two sulphur, 2 vulcanization carbon and styrene, sulphide H2S, VOCs, the molecule key of benzene, toluene, Xylene, makes pollutant atom and ozone free in shape oxidized and got or low harm material together into a small molecule to be harmless, such as CO2, H2O,etc.. Have volume to be little management convenient dealing with effectual running low expenses and and concurrently have characteristic such as being desinfecting. Deal with the industrial waste gas in the centre and deal with the light to already form in the room in Shanxi TT waste gas, industrial workshop, hennery the intersection of stench and the intersection of peculiar smell and waste gas of place deal with the intersection of seriation and key product of apparatus, it is the green developing direction new in environmental protection, the increasingly many company in environment protecting mode adopts in its project in environment protecting mode.
13 kinds of waste gas treatment methods are introduced and applicable scope and pluses and minuses explain
Take off the discredited method
Take off the discredited principle
Applicable scope
Advantage
Shortcoming
1,Shelter the law
Adopt stronger fragrant smell and foul smell to admix, in order to shelter foul smell, enable it to be received
Suitable for needing to dispel the occasion on influence of stench gas of the low density immediately, temporarily, about, amorphous stench intensity 2.5 discharges the source
Can dispel stench influence as soon as possible, the flexibility is large, the expenses are low
The stench composition has not been removed
2,Dilute and spread the law
There is a stink the gas will be discharged into the atmosphere through the chimney, or dilute with the air without bad smell, reduce the material density of stench in order to reduce the stink
Suitable for the stench gas discharged in an organized way of the density while dealing with, low
The expenses are low
The apparatus is simple
Apt to limit by the meteorological condition, the stench material remains as before
3,Heating power burns the law
It is angry to make stench material and fuel to fully mix in the high temperature and, realize that totally burns
Suitable for dealing with the flammable gas of high density, stingy quantity
It is high in efficiency to purify, the stench material is oxidized and decomposes completely
The apparatus is apt to corrode, consume the fuel, deal with the high, apt to form the secondary pollution cost
4,Catalyze and burn the law
5,Water absorbs the law
Utilize in foul smell some materials are apt to be soluble in the characteristic of water, make the foul smell composition keep in touch with water directly, thus dissolve and achieve the goal of taking off in water discreditedly
Water-solubility, discharging the stench gas of the source in an organized way
The craft is simple, management is convenient, the apparatus operates the low expenses
Produce the secondary pollution, need to deal with the cleaning solution; Purification efficiency is low, should jointly use with other technology, handle the result to sulphur alcohol, fatty acid,etc. badly
6,Medicinal solution absorbs the law
Utilize some materials and medicinal solution in foul smell to produce the characteristic of the chemical reaction, remove some foul smell compositions
Suitable for dealing with atmospheric quantity, foul smell of the density of high school
Composition of some foul smell of treatment that can be pointed, the craft is relatively ripe
Purification efficiency high, consume absorbent is apt to form secondary pollution
7,Adsorption method
Utilize the absorption function of the adsorbent to make the stench material transferred from gaseous phase to the firm looks
Suitable for dealing with the low density, purify the stench gas required high
It is very efficient to purify, can deal with the gas of multicomponent stench
The adsorbent expenses are expensive, regeneration is relatively difficult, require the gas of stench to be dealt with to have lower temperature and dust content
8,The living beings strain the pool type and take off the discredited law
The intersection of stench and through go dust increase wet or preconditioning of lowering the temperature etc., behind the craft, wear, strain the bed straining whom material making up from bottom to top straining the intersection of bed and bottom gas, the gas of stench is transferred from gaseous phase to water – microorganism mixing and looks, is decomposed through microbial metabolism firm in straining the material
Study most at present, the craft is the ripest, the most frequently used living beings take off the discredited method too in practice. Can subdivide into the soil and take off discredited law, compost and take off discredited law, peat and take off the discredited law etc..
Deal with the low expenses
The floor space is big, the packing needs to change regularly, it is wayward to take off the discredited course, it is apt to go wrong after running for some time, also there is greater difficulty in dredging the treatment of swimming skill and difficult biodegradation material.
9,Biological trickling filter type
Principle and living beings strain the pool type similarly, but the one that use strains material are such as polypropylene globule, pottery, charcoal, plastics etc. can’t offer the inert material of the nutrient.
Only to some stench materials but the microorganism of degradation affixes to packing, will not strain and mix and consume and strain the situation of the material organic matter with the microorganism group at the same time in the pool the living beings
The microbial quantity is large in the pool, can bear and strain the great pollution load of the pool more than the living beings, inertia needn’t be changed while straining the material, cause the pressure loss to be little, and it is extremely apt to control to operate the condition
Take to shoot and add the nutriment constantly, and it is complicated to operate, make its application limited
10,The washing active mud takes off the discredited law
With containing suspended substance mud to mix and liquid keep in touch fully, make it delete in foul smell in absorber the intersection of stench and material, the cleaning solution is sent to the reactor again, degrade the stench material dissolved through suspending the microbial supersession activity of growing
There is larger applicable scope
Can deal with the foul smell of atmospheric quantity, it is easy to control to operate the condition at the same time, the floor space is small
The apparatus expenses are large, it is complicated and needing to throw to operate with the nutriment
11,Expose to the sun the active mud of angry type and take off the discredited law
The intersection of stench and by expose to the sun angry form disperse, get including active mud to mix and in the liquid material, degrade the stench material through suspending the microorganism growing
The applicable scope is wide, the Japan foul smell used for night soil plant, sewage treatment plant is dealt with at present
The active mud, after domestication, to not exceeding the stench composition of the terminal load, removal rate can be more than 99.5%.
Limited by exposing to the sun angry intensity, it is sure to limit that there is the application of this law
12,Three-phase many mediums catalyze and oxidize the craft
Fill the purpose-built solid compound packing in the reaction tower, reply and mix many medium catalysts within the packing. As the gas of stench crosses the packing floor under the function of the air-introduced machine, with taking the form of and dispersing the vaporific liquid phase that squirts and replying and mixing oxidant to fully contact on the surface of packing of firm looks through the purpose-built spray nozzle, and under the catalysis of many medium catalysts, the pollution factor in the gas of stench is fully decomposed.
There are wide on applicable scope,it suitable for especially, it is atmospheric deal with on quantity, in waste gas at densities high, there is very good removal rate on dredging the polluter of swimming skill.
The occupation of land is small, investment is low, the operating cost is low; Management is convenient, open and use promptly; Able to bear impact load, difficult pollutant density and temperature change influence.
Need to consume a certain amount of medicine
13,Low-temperature plasma body skill? ?
The medium stops discharging in the course, the particle which contain rich amount of the extremely high chemistry activity emerges within plasma body, such as electron, ion, free radical and excited state molecule,etc.. The active base group of the high-energy react that there are polluter and these in the waste gas, turn into materials such as CO2 and H2O,etc. finally, thus achieve the goal of purifying the waste gas.
The applicable scope is wide, it is high in efficiency to purify, is especially suitable for the gas of multicomponent stench different to deal with of other methods, for instance trades such as chemical industry, medicine,etc..
Electronic energy is high, can nearly be with all molecule function of stench gas; Operate the low expenses; The response is quick, the apparatus starts, stops very fast, use and turn on at the same time at the same time.
Lump-sum investment is relatively high.
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