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What are the VOCs waste gas treatment equipment suitable for acid mist waste gas treatment?

When dealing with VOCs organic waste gas containing acid mist, it is usually necessary to consider the tolerance and removal efficiency of the equipment to acid components. The following are some VOCs waste gas treatment equipment and technologies that can treat acid mist waste gas:

Wet scrubbers (spray towers):This equipment neutralizes the acidic substances in the exhaust gas by spraying an alkaline solution (such as sodium hydroxide solution), and can simultaneously remove part of the particulate matter and some VOCs.
Dry filter:Adsorbents or chemically reactive media such as limestone or activated carbon are used to absorb or neutralize the acid mist.
Packed tower/tray tower:Similar to a wet scrubber, but with a different internal structure to increase the gas-liquid contact area for more effective removal of acid mist and some VOCs.
Electrostatic precipitator:For the exhaust gas containing dust and acid mist, the electrostatic precipitator can separate the acid mist particles from the airflow by electric field force.
biological trickling filter tower:Microbial metabolism is used to degrade organic and inorganic pollutants in exhaust gases, including certain types of acid mist.
Combined technology:In practical applications, it may be necessary to combine multiple technologies to achieve the best treatment effect. For example, wet scrubbers are used to neutralize the acid mist and then to remove VOCs through a regenerative incinerator (RTO) or other combustion technology.
Catalytic oxidation:If the concentration of acid mist is not high, you can consider using a catalyst to accelerate the reaction of VOCs with oxygen to generate carbon dioxide and water. However, care must be taken to select the appropriate catalyst, as an acidic environment may corrode or passivate some catalysts.

It should be noted that when dealing with acid mist exhaust gas, in addition to selecting the appropriate equipment, the selection of materials, anti-corrosion measures, and equipment maintenance should also be considered to ensure that the equipment can operate stably for a long time in an acidic environment. In addition, due to the different nature of the acid mist exhaust gas produced by different industries, the specific exhaust gas composition and working conditions should be understood in detail before selecting the treatment equipment.

Case Evidence

Pharmaceutical companies in the production process, will produce acid waste gas. Megaunity In the VOCs treatment project of an API factory, the problem of acid mist waste gas treatment was effectively solved.

The workshop of the API factory escapes strong peculiar smell, which harms the respiratory system of employees. According to relevant national regulations, it is necessary to deal with the discharge after reaching the standard.

Megaunity Solutions

Due to the changeable working conditions of exhaust gas, the Megaunity combines its own technical advantages of exhaust gas treatment and adopts the method of high and low concentration segmented treatment. The actual air volume can be operated stably and efficiently between 25% and 120 of the design air volume. The overall modular design reduces floor space.

* High concentration V0Cs waste gas treatment process is:Regenerative Thermal Oxidation System (RTO)Under appropriate concentration conditions, temperature self-maintenance can be realized and natural gas consumption can be reduced.

RTO design processing air volume 15000nm/h

RTO purification efficiency> 99%

RTO heat storage efficiency> 95%

* Low concentration VOCs waste gas treatment process is:Alkali washing + two-stage activated carbon adsorption, the tower's proprietary double-layer design with the front-end patented product TAR BOX high-efficiency demister, the adsorption efficiency is more than 20% higher than the traditional.

Megaunity through professional system process design, to provide users with effective VOCs (volatile organic compounds) waste gas treatment solutions. The exhaust gas emission concentration after treatment is in line with the "Pharmaceutical Industry Air Pollutant Emission Standard" (GB 37823-2019), "Industrial Enterprise Volatile Organic Compound Emission Control Standard" (DB12/524-2020) and "Odor Pollutant Emission Standard" And other relevant national and local regulations.

With excellent technical capabilities and customized services, the Megaunity has been in the field of pharmaceuticals, pesticides, coatings and other fine chemicals, includingEast Sunshine,Kaifei Chemical,Akzo NobelMany well-known enterprises at home and abroad have established cooperative relations and won wide acclaim from customers. The Megaunity is committed to continuously optimizing system configuration, which not only improves energy efficiency, but also promotes energy conservation and emission reduction, and helps customers achieve green and sustainable development goals, thereby creating more value for customers.

Industrial Air Handling System Solutions Provider

Tel：400-860-5288

E-mail： marketing@megaunity.com

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