Methods for treating formaldehyde in industrial waste gas
Release time: 2021-05-27
Methods for treating formaldehyde in industrial waste gas. Formaldehyde is widely used in modern society, and modern scientific research shows that excessive formaldehyde can have a significant impact on human health. In January 2015, the report on carcinogens released by the Department of Health and Public Services and the Public Health Bureau listed formaldehyde as a very important class of carcinogenic substances.
Methods for treating formaldehyde in industrial waste gas. Formaldehyde is widely used in modern society, and modern scientific research shows that exceeding formaldehyde limits can have a significant impact on human health. In January 2015, the report on carcinogenic substances released by the Department of Health and Public Works and the Public Health Bureau listed formaldehyde as a very important class of carcinogenic substances. The harm of formaldehyde to human health is generally divided into three types: acute toxicity, subacute toxicity, and chronic toxicity. The impact of formaldehyde on human health mainly manifests in various aspects such as abnormal olfaction, abnormal lung function, abnormal liver function, and abnormal immune function. This article mainly provides some practical methods for treating industrial formaldehyde waste gas for companies that produce industrial formaldehyde.
The toxic effects of formaldehyde are evident, and its sources are also widespread. With the improvement of living standards and the enhancement of health awareness, people are increasingly concerned about its presence. Due to its large production volume and strong toxicity, air purification treatment is very necessary. Currently, the methods for purifying formaldehyde waste gas in China include: nano-material catalytic oxidation method, ozone oxidation method, photocatalytic oxidation method, and biological purification method.
Method one for treating industrial formaldehyde waste gas: Nano-material catalytic oxidation method: Nano environmental engineering materials have characteristics such as small size effect, surface effect, quantum effect, and macroscopic quantum tunneling effect. In the application of improving ecological conditions, controlling environmental pollution, and purifying the environment, they exhibit significant features different from general macroscopic materials, making them a hot research area in environmental engineering materials. Currently, in the research on purifying and degrading formaldehyde, the widely used catalyst is nano titanium dioxide (TiO2). Nano TiO2 often combines with other catalytic bodies to form composite materials that degrade formaldehyde gas under photocatalytic action, mainly relying on the oxidative action of active cyanide free radicals and superoxide anion free radicals. This method has strict requirements for reaction temperature and is also influenced by factors such as catalyst size, type, dosage, illumination time, and concentration, which limits its promotion economically and technically.
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Methods for treating formaldehyde in industrial waste gas. Formaldehyde is widely used in modern society, and modern scientific research shows that excessive formaldehyde can have a significant impact on human health. In January 2015, the report on carcinogens released by the Department of Health and Public Services and the Public Health Bureau listed formaldehyde as a very important class of carcinogenic substances.
2024-10-14 11:29
Methods for treating formaldehyde in industrial waste gas. Formaldehyde is widely used in modern society, and modern scientific research shows that excessive formaldehyde can have a significant impact on human health. In January 2015, the report on carcinogens released by the Department of Health and Public Services and the Public Health Bureau listed formaldehyde as a very important class of carcinogenic substances.
2023-05-01 19:17
Methods for treating formaldehyde in industrial waste gas. Formaldehyde is widely used in modern society, and modern scientific research shows that excessive formaldehyde can have a significant impact on human health. In January 2015, the report on carcinogens released by the Department of Health and Public Services and the Public Health Bureau listed formaldehyde as a very important class of carcinogenic substances.
2023-02-21 17:47
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