The process of industrialization and modernization has contributed to economic development. With the goal of developing domestic industry, the number of industrial parks established to attract industrial investment projects is increasing.
However, besides the economic benefits, there is environmental pollution. Becauseindustrial emissionsare becoming more and more serious and there is almost no strict management from the government.
The air environment around the industrial park is seriously polluted. Due to the release of emissions into the environment by factories and plants.
Therefore, the urgent task now is to have feasible, specific solutions to control and completely solve the pollution caused by industrial emissions.
What are industrial emissions?
Industrial emissions are waste that exists in the form of mixtures of gas and dust entering the environment from the activities of processing, manufacturing, factories, and service facilities. industrial
Sources of industrial emissions
The sources are very diverse and their components are also different. In addition to energy production, the main industries responsible for emissions are the petrochemical industry, chemical industry, mineral industry (exploitation and processing) as well as waste disposal activities. waste, food industry…
- Thermal power industry, according to a report by the Department of Industrial Safety and Environment (Ministry of Industry and Trade), emissions from coal-fired thermal power plants are gases such as: CO, CO2, SO2, Nox… Thermal power plants in the North alone consume about 1.5 million tons of coal each year and the amount of emissions generated is about 20,000 tons of SO2; 8,000 tons of NOx, 4 million tons of CO2 and 5,000 tons of dust…
- Coal mining and processing industry. This is a unique industry that releases into the air a large amount of exhaust gas containing dust TSP, PM10 and some other substances such as: SO2, CO, CO2…
- Steel manufacturing industry also releases a large amount of emissions into the air environment. It is estimated that producing 1 ton of steel will emit 10,000 m3 of exhaust gas, 100 kg of dust and many pollutants such as acids, alkalis, alloying elements…
The main industrial processes that create polluting gases are burning fuel such as fuel oil, diesel and natural gas, coal…And production processes that do not involve burns but there is evaporation of harmful substances air pollution.
Emissions from factories and plants
Classification of sources of industrial emissions
- Point source: emissions from fixed process chimneys or vents.
- Nonpoint source: exhaust gases are released into the work environment or outdoors. It is not directed through ventilation pipes for treatment before being discharged into the environment. These emissions may originate from chemical mixing/storage areas or leaks from equipment (valves, faucets, joints, etc.)
Effects of industrial emissions on the environment and people
Effects on the environment
- It is the biggest cause of acid rain. Acid rain occurs when factory emissions combine with moisture in the air to form acid precipitation. Acid rain changes the pH of lakes, ponds and soil to levels that are harmful to the ecosystem.
- Is a factor that causes the greenhouse effect, ozone layer… Causes climate change, weather causes rainfall and temperature changes. When the earth’s temperature increases, ice melting at the poles will cause negative impacts. Not only with creatures living in cold climates. It is also a potential danger to humans and other creatures. Melting ice will cause sea levels to rise and submerge low-lying areas.
Effects on the environment
Effects on People
Inhaling a lot of toxic emissions will increase the risk of lung cancer. Not only that, toxic gas travels through the body, causing cancer in many other organs.
Frequent exposure to toxic gases at concentrations below levels causing acute toxicity. Can cause chronic poisoning causing weakness and nervous system disorders.
In addition, pollutants in exhaust gases also irritate the respiratory system, causing eye diseases. It can also aggravate existing conditions such as asthma and bronchitis.
Effects on people
Measures industrial exhaust gas treatment
- Replace outdated industrial machinery lines that generate a lot of emissions with modern machinery lines.
- Replace traditional burning fuels such as coal and fuel oil by using electricity.
- Using clean technology environmentally friendly in industries.
- Construction and installation of exhaust gas treatment systems in accordance with regulations in factories and processing zones output.
- Exhaust gases are treated and then regularly tested to prevent harmful emissions from entering the air.
Consulting unit, design and installation of exhaust gas treatment
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