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How to choose deodorant for VOCs exhaust gas treatment to effectively remove malodor
Author: Want source: fatheroye.com date: 2019-12-11 Clicks:
治理首先应从污染源头进行控制,使用低挥发性原料,优化工艺,减少有机溶剂挥发,回收重复利用有机溶媒。 VOCs treatment should first be controlled from the source of the pollution, use low-volatile raw materials, optimize the process, reduce the volatilization of organic solvents, and recycle and reuse organic solvents. Secondly, carry out process control, fully enclosed production during the production process, optimize pipeline layout, reduce leakage, and improve monitoring. Finally, end treatment is carried out, using methods such as condensation, absorption, adsorption, and combustion.
Regenerative combustion equipment is currently relatively mature and can be fully automated. Ceramic honeycomb body as a heat exchange material, compared with the traditional high temperature cracking furnace with metal heat exchanger, the heat recovery efficiency is significantly improved.
The combustion method is a method that burns out VOCs exhaust gas contained in the air and makes it a harmless substance. It is also the most widely used method of organic waste gas treatment. It can only burn off those harmful gases and soot that can be combusted or decomposed at high temperature. It cannot recover the original substances contained in the air, but it can recover the thermal energy generated during the combustion oxidation process. The combustion method is divided into a direct combustion method, a regenerative combustion method, and a regenerative catalytic combustion method. The latter two combustion methods are more commonly used.

Spray tower exhaust deodorant uses plant extraction technology to extract effective ingredients from the roots, stems, leaves and flowers and fruits of a variety of plants. It produces a force under the action of radiation, enhances the activity of plant liquids, and can interact with various harmful and odorous Molecules rapidly undergo chemical reactions such as polymerization, substitution, replacement, and adsorption. The product is neutral and is an environmentally friendly product that effectively removes waste gas, odor, and odor.
In the control of the gravure printing process, the printing company can use a device with LEL control to return part of the exhaust gas in the gravure printing machine oven for drying the printed products. This can reduce energy consumption and exhaust emissions during drying, and ultimately reduce VOCs. Governance costs. In the control of the gravure process, advanced activated carbon particle adsorption + pure nitrogen desorption technology can be introduced, and the mixed solvent can be recovered through deep condensation technology. This not only has extremely high adsorption efficiency, but also the entire system operates very safely and reliably. Greatly avoid the potential safety hazards in the current governance process of VOCs.
The exhaust gas is sent to the heating chamber through the reversing valve, so that the gas reaches the ignition temperature of the combustion reaction, and then the organic exhaust gas is completely decomposed into carbon dioxide and water through the role of the catalytic chamber. The burned exhaust gas passes through the heat storage body, and the heat is retained in the heat storage body, which is used to preheat the incoming exhaust gas. If the heat does not reach the reaction light-off temperature, the heating system implements compensation heating through an automatic control system. The role of the catalyst is to reduce the activation energy of the reaction, while enriching the reactant molecules on the catalyst surface to increase the reaction rate.

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