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Exhaust gas treatment

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Hasy Environment is a unit that designs and constructs exhaust gas treatment systems and is a member of HASY Vietnam (HASY Group).
Currently a reputable unit chosen by many business establishments, enterprises, factories and industrial parks in the industry. environmental treatment field in Hanoi and other provinces and cities nationwide

To learn more about general systems, and the systems that Hasy Environment is applying in projects. In this article we mention the content 

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Why do businesses need to treat emissions?

According to the consistent policy of the Party and State “Do not trade the environment for economic growth”. Environmental pollution is threatening people’s lives. Directive No. 13/CT-TTg affirms that sustainable development is a consistent policy, in which environmental protection is one of four elements for sustainable development.

Exhaust gas and dust contain many pollutants, if there is no solution. If the treatment method is released into the air, it will lead to serious harm to the surrounding environment, specifically ecological imbalance, erratic climate change, and increasingly dangerous epidemics.

According to Decree No. 155/2016/ND-CP stipulating penalties for administrative violations in the field of environmental protection Schools and businesses will be subject to administrative fines or suspension of operations depending on the severity of environmental protection violations. Thus, if businesses do not handle it, it will directly affect the production process. Therefore, investing in solutions and processing systems is something businesses should do.

The main sources of polluting emissions that need to be treated are:

There are countless sources of polluting emissions , within the scope of this article we only mention sources of emissions generated by factory operations.

Xử lý khí thải bể mạ
  • Plastic pellet production emissions
  • Boiler exhaust
  • Cement exhaust
  • Aluminum cooking exhaust dust
  • Copper smelting exhaust dust
  • Plating bath/acid vapor exhaust
  • Vapor exhaust welding
  • Gas laboratory waste
  • Paint dust emissions
  • Coke emissions
  • Waste incinerator exhaust
  • Pesticide factory exhaust
  • Smelly exhaust from wastewater treatment system
  • Dust handling

 

To understand each type clearly emissions you can click to learn more deeply

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Plastic granule production emissions

Based on the composition and specific properties of emissions from the production process We can apply the wet dust filtration method with the adsorption method

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Boiler exhaust

Exited boiler exhaust carries heat, dust and some volatile toxic gases. To thoroughly treat the emission pollution criteria after treatment to meet QCVN 19/BTNMT, it is necessary to combine the application of cooling; Dry dust treatment method by cyclone and absorption method.

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Cement emissions

Cement factories generate emissions mainly including dust, CH4, VOC, NOx, SOx, CO and CO2.. effective treatment methods for some toxic gases contained in the exhaust gas composition Cement uses the cloth bag filtration method combined with the absorption method,

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Aluminum smelting exhaust dust

Exhaust gases such as high temperature exhaust streams, metal dust, gases including CO2, SO2, CO, NOx, fluorine compound gas,… Environmental technology experts offer a thorough treatment solution that meets environmental standards, combining the Cyclone method; Cloth bag dust filtration method, absorption method, adsorption method.

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Copper cooking exhaust dust

Exhaust gases such as high temperature exhaust streams, metal dust, gases including CO2, SO2, CO, NOx, fluorine compound gas,…. Environmental technology experts offer a thorough treatment solution that meets environmental standards, combining cyclone method; cloth bag dust filtration method, absorption method, adsorption method.

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Exhaust gas treatment Plating/ acid tank

Chemical industry such as: dye, gas and petrochemical production; metal production; cleaning products; plating; explosives production…. Pharmaceutical production, emissions are mainly acidic solvents that cause odor,absorption method is the optimal and effective choice.

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Welding vapor emissions

During the welding process often arisewelding exhaust gas such as ozone, nitrogen gas and CO, Argon, helium… These gases are not only harmful to human health, welding gas emissions can lead to various environmental impacts. An effective treatment method is to combine both absorption and adsorption methods.

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Laboratory emissions

Environmental monitoring results at some laboratories show that laboratory emissions have the following forms: Acid vapor (inorganic and organic); Vapors of organic compounds (organic compounds commonly used in laboratories are volatile organic compounds VOCs) such as toluene, styrene, methanol, etc. Based on the composition and characteristics of the exhaust gas above, choose choose absorption method and adsorption method as my priority.

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Paint dust emissions

The properties of paint emissions are organic solvents and paint dust. An effective method for treatment that cannot be ignored is the method dust suppression combined absorption method

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Exhaust gases coke

The largest source of emissions from coke ovens and a source of polycyclic aromatic hydrocarbons (PAHs) ). Exhaust gas may also contain dust, CO, SO2, H2S and NH3… to provide a clean source after treatment that meets environmental QCVN, environmental experts recommend applying treatment technology air washing tower combined with adsorption method.

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Waste incinerator exhaust

Burning waste leads to the formation of a gas mixture. Gas contains substances such as CO2, SO2, dust, as well as NOx, metal smoke heavy and non-flammable hydrocarbon. Due to the characteristics of the exhaust gas generated, we must choose an appropriate treatment method that combines both wet dust filtration method, <b catalytic reduction and absorption method.

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Dust treatment

In its simplest form, a dust treatment system is designed to clean dust by separating it from the air stream. There are many types of dust treatment systems today such as: Dust settling chamber, Dust treatment cyclone, Dust filter screen, Wet dust filter device and Electrostatic dust filter.

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What are some effective exhaust gas treatment methods today?

In the framework of this article, we only focus on common methods and technologies that are highly effective, and are being applied by Hasy Environment in our projects.

Effectiveness of the exhaust gas treatment system on the environment?

To help develop production along with protecting the environment; Scientists have recommended that businesses constantly improve technology to use the most modern machinery. In addition, reasonable exhaust gas treatment systems should be built to completely purify toxic air sources right at the source before being released into the natural environment.

Image of the exhaust system and exhaust gas treatment pipeline at the project implemented by Hasy Environment Image of the suction system and exhaust gas treatment pipeline at the project implemented by Hasy Environment

Processing right at the source from factories and enterprises is truly an extremely necessary issue. Contribute to economic development, along with protecting the human living environment. However, to choose the treatment system that best suits the scale and production industry of your business; You need to consult experts to receive specific advice.

SIMULATION VIDEO

Videos created by Hasy Environment edited and compiled from projects, design images, systems and machines provided by us to customers

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Why choose?

HASY Environment

Many years of experience

With many years of experience in the field of consulting, design and construction of wastewater treatment systems

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