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| Progress of formaldehyde treatment technology |
| Han Tong, Li Feng, Liu Baoyou |
College of Environment Science and Engineering, Hebei University of Science and Technology,
Shijiazhuang 050000, China |
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Abstract The latest research progress of formaldehyde adsorption technologies including physical technology, chemical technology, biological technology and various coupling technology were reviewed. Physical technology has the advantages of high removal efficiency of formaldehyde and low cost. Using the chemical technique, formaldehyde is converted into non-toxic substances on the premise of maintaining efficient removal of formaldehyde. Using the biological technology,the removal rate of formaldehyde is high meanwhile the process of catalytic conversion of formaldehyde is more environmentally friendly. The coupling of the above various technologies not only reflects the advantages of various technologies, but also expands the application scope of the individual technology.
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