Table 1. Recent Studies Related to VOC Removal in the Fixed-Bed Adsorber.

focus	adsorbent	adsorbate	authors
performance improvement	fluidized activated carbon bed	styrene	Mofidi et al.19
performance improvement	granular activated carbon	toluene	Dehdashti et al.20
performance improvement	activated carbon	toluene	Pak and Jeon21
performance improvement	activated carbon fiber cloth	MEK	Sullivan et al.22
performance improvement, modeling	activated carbon	chloromethane	Lemus et al.23
modeling and performance testing	activated carbon	chloroform and carbon tetrachloride	Kalender and Akosman24
modeling and performance testing	activated carbon	toluene, benzene, and xylene	Das et al.25
modeling	coolant and activated carbon	dimethyl chloride and toluene	Gupta and Verma26
modeling	activated carbon	n-butanol, n-butylacetate, 2-heptanone, 2-butoxyethanol, n-decane, indan, 2,2-dimethylpropy-benzene, and 1,2,4-trimethylbenzene	Tefera et al.27
performance testing	activated carbons	siloxanes and VOCs	Cabrera-Codony et al.28
performance testing	glucose-adsorbent	ethane/ethylene	Ma et al.29
performance testing	xGnP, zeolite, and perlite	total VOCs and formaldehyde	Chang et al.30
performance testing	activated carbon fiber, pp, pp, and activated carbon	formaldehyde, toluene, and benzene	Moon et al.31
performance testing and preparation of absorbent	almond shell-based activated carbon	toluene and toluene/water vapor	De Yuso et al.32
preparation of absorbent	activated carbon	carbon tetrachloride, benzene, ether, and n-pentane	Anuradha et al.33
preparation of absorbent	MWCNTs	benzene and toluene	Pourfayaz et al.34
modification of absorbent	ZSM-5 prepared with and without an organic template	benzene, toluene, ethylbenzene, and xylene	Aziz et al.35
modification of absorbent	organic substance: modified titanate nanotubes (TNTs)	toluene, ethylbenzene, 1-1-2 trichloroethane, and tetrachloroethane	Wang et al.36
modification of adsorbent	modified clinoptilolote natural zeolite	acetone	Aghababaei37
analysis of physicochemical properties	activated carbon fiber	methanol, ethanol, propan-1-ol, butan-1-ol, n-octane, and n-nonane	Nwali38