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http://dx.doi.org/10.9713/kcer.2021.59.4.548

Evaluating the Applicability of Activated Carbon-added Fiberboard Filters Fabricated with Lignocellulosic Fiber for the Reduction Equipment of Particulate Matter  

Yang, In (Institutes of Green Bio Science & Technology, Seoul National University)
So, Jae min (Happyhomewoodtech Co. Ltd.)
Hwang, Jeong Woo (Department of Wood Science Technology, Jeonbuk National University)
Choi, Joon weon (Institutes of Green Bio Science & Technology, Seoul National University)
Lee, Young-kyu (National Instrumentation Center for Environmental Management, Seoul National University)
Choi, Wonsil (National Instrumentation Center for Environmental Management, Seoul National University)
Oh, Seung Won (Department of Wood Science Technology, Jeonbuk National University)
Moon, Myoung cheol (Happyhomewoodtech Co. Ltd.)
Publication Information
Korean Chemical Engineering Research / v.59, no.4, 2021 , pp. 548-556 More about this Journal
Abstract
This study was conducted to investigate the applicability of lignocellulosic fiber and coconut shell activated carbon (CSA) for the production of a particulate matter (PM)-reducing air-filter as raw materials to solve the environmental problems of non-woven fabrics. CSA had a good potential to use as a raw material of air-filter for reducing volatile organic compounds as well as noxious metals, and reduction capability of the CSA was 5 times higher than that of wood fiber. Natural adhesives formulated with proteinaceous wastes mostly were applied successfully to fabricate air-filters with the shape of fiberboard. The air-filter fabricated with the minimum target density of 200 kg/m3 and the maximum CSA-content of 40 wt% in fiberboard had a good manageable strength. However, the fiberboard filters was required to make vent-holes for improving an air-permeability of the filters. Size of the CSA particles was adjusted to greater than 2 mesh with the consideration of strength and formability of the fiberboard. Three-layers fiberboard that only wood fiber and the mixture of wood fiber and CSA were formed in the surface and middle layers, respectively, was determined to the optimal condition for the production of air-filters. In addition, traditional Korean paper handmade from mulberry trees (TKP) showed a good PM-reducing property as an air-filter. It is concluded that air-filtering set composed of fiberboard with vent-holes and TKP instead of conventional air-filters made with non-woven fabrics can be used as a filter for reducing the concentrations of PM, VOC and noxious metals existed in indoor and outdoor spaces.
Keywords
Lignocellulosic fiber; Particulate matter; Activated carbon; Air-filter; Volatile organic compounds;
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