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    Laboratory Waste Gas Treatment Scheme

    I. Composition of Laboratory Exhaust Gas


      實驗室廢氣主要成分有:苯、甲苯、二甲苯、戊烷、己烷、環己烷、鹵化烴、氯苯、二氯甲烷、甲醇、乙醇、異丙醇、乙醚、醋酸甲酯、醋酸乙酯、丙酮及其它廢氣!


    II. Laboratory Waste Gas Treatment Technology


    Photooxidation Catalytic Equipment + Activated Carbon Adsorption Equipment

    Photooxygen Catalytic Equipment

    Special UV Ultraviolet Lamp: Use special high energy and high ozone ultraviolet ray beam to irradiate waste gas, crack industrial waste gas such as ammonia, trimethylamine, hydrogen sulfide, methyl thiol, methyl thioether, butyl acetate, ethyl acetate, dimethyl disulfide, carbon disulfide and styrene, sulfide H2S, VOC, molecular chain structure of benzene, toluene and xylene, make organic or inorganic polymer stink. Molecular chains of compounds are degraded into low molecular compounds, such as CO 2, H 2 and so on, under the irradiation of high-energy ultraviolet light. High-energy and high-ozone ultraviolet (UV) beams are used to decompose oxygen molecules in the air to produce free oxygen, i.e. reactive oxygen species. Ozone is produced by combining oxygen molecules with oxygen molecules because of the unbalanced positron and negative electrons carried by free oxygen. UV+O 2_O-+O*(active oxygen)O+O 2_O 3(ozone). It is well known that ozone has a strong oxidizing effect on organic matter, and has an immediate effect on the removal of industrial exhaust gas and other irritating odors. After the industrial exhaust gas is input into the purification equipment by exhaust equipment, the purification equipment uses high-energy UV ultraviolet ray beam and ozone to decompose and oxidize the industrial exhaust gas synergistically, so that the industrial exhaust gas can be degraded into low molecular compound, water and carbon dioxide, and then discharged outdoors through the exhaust duct.

    Using high energy-C beam to crack the molecular bonds of bacteria in industrial exhaust gas, destroy the nucleic acid (DNA) of bacteria, and then oxidize through ozone to completely purify and kill bacteria. Considering the efficiency of purifying air, we choose the principle of combining ultraviolet radiation in-C band with ozone generation and corona current enhancement device, which combines pulse corona radiosorption technology to treat harmful gases. Ultraviolet radiation in - C band is mainly used to remove the decomposition and fission of hydrogen sulfide, ammonia, benzene, toluene, xylene, formaldehyde, ethyl acetate, ethane, acetone, urea, resin and other gases, so as to transform organic matter into inorganic compounds.

    Specialized catalyst: More than 27 kinds of inert catalysts are allocated according to different components of waste gas. The catalyst uses honeycomb metal mesh as carrier, contacts with light source in all directions. The inert catalyst reacts with light source under 338 nanometer light source, enlarges the effect of light source by 10-30 times, makes it react fully with waste gas, shortens the contact time between waste gas and light source, and improves the contact time between waste gas and light source. The purifying efficiency of the catalyst is similar to that of plant photosynthesis, which can purify the exhaust gas.

    Activated carbon adsorption equipment

    During the activation of activated carbon, huge surface area and complex pore structure are gradually formed. The surface area of activated carbon is mainly provided by micropore. The adsorption of activated carbon can be divided into physical adsorption and chemical adsorption. The adsorption process is carried out on the surface of these pores. The porous structure of activated carbon provides a large amount of surface area, which makes it very easy to absorb. Purpose of collecting organic waste gas. Like magnetism, all molecules have mutual attraction. Because of this, a large number of molecules on the pore wall of activated carbon can generate strong gravity, so as to achieve the purpose of attracting organic waste gas from the medium into the pore diameter, which is physical adsorption. It must be pointed out that the molecular diameter of these adsorbed exhaust gases must be smaller than the pore size of activated carbon, so as to ensure that impurities are absorbed into the pore size.

    Activated carbon not only contains carbon, but also contains a small amount of oxygen and hydrogen in the form of chemical bonding and functional groups on its surface, such as carboxyl, hydroxyl, phenol, lactone, quinone, ether and so on. These surfaces contain earth oxides or complexes which can react with the adsorbed substances and then combine with the adsorbed substances to aggregate on the surface of activated carbon. Finally, the treated exhaust gas is sucked by the back-end centrifugal fan to form negative pressure, and is discharged into the atmosphere safely and up to the standard.

    1. Spray Tower

    2. Photooxygen Catalytic Equipment

    Different emission situations and different exhaust gases have different technological processes. Fifteen years of experience in waste gas treatment in Huaene environmental protection, field investigation, free scheme design according to site conditions, a telephone to help you solve the problem of waste gas treatment in an all-round way, no longer bothered by EIA!


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