TY - JOUR
T1 - Catalytic pyrolysis of the Eupatorium adenophorum to prepare photocatalyst-adsorbent composite for dye removal
AU - Cheng, Song
AU - Hu, Wenhai
AU - Srinivasakannan, C.
AU - Xia, Hongying
AU - Zhang, Libo
AU - Peng, Jinhui
AU - Zhou, Junwen
AU - Lin, Guo
AU - Zhang, Qi
N1 - Publisher Copyright:
© 2019 Elsevier Ltd
PY - 2019/6/10
Y1 - 2019/6/10
N2 - Eupatorium adenophorum, a kind of pernicious weed, is used to produce a photocatalyst-adsorbent composite, consisting of ZnO[sbnd]Fe 3 O 4 particles on the surface of activated carbon, and bio-gas via catalytic pyrolysis. The photocatalyst-adsorbent composite was characterized by several characterization methods. The results show that the photocatalyst-adsorbent composite possesses adsorptive, photocatalytic degradative and magnetic properties. Methylene blue, a kind of dye, is used to evaluate the adsorption and photocatalytic degradation performance of photocatalyst-adsorbent composite. The maximum amount of methylene blue adsorption in photocatalyst-adsorbent composite was as high as 330.03 mg/g based on the adsorption experiment in dark conditions. The photocatalyst-adsorbent composite had good degradation performance with methylene blue, which was found to be 20.78% more efficient than the ZnO catalyst and 205% more efficient than the adsorption under ultra violet light irradiation. Photocatalyst-adsorbent composite could be conveniently separated from the aqueous solution by using an external magnetic field. The bio-gas was collected from the pyrolysis process, which mainly consisted of H 2 and CO. The production cost of the photocatalyst-adsorbent composite is US$ 1,361/t based on the preliminary economic analysis.
AB - Eupatorium adenophorum, a kind of pernicious weed, is used to produce a photocatalyst-adsorbent composite, consisting of ZnO[sbnd]Fe 3 O 4 particles on the surface of activated carbon, and bio-gas via catalytic pyrolysis. The photocatalyst-adsorbent composite was characterized by several characterization methods. The results show that the photocatalyst-adsorbent composite possesses adsorptive, photocatalytic degradative and magnetic properties. Methylene blue, a kind of dye, is used to evaluate the adsorption and photocatalytic degradation performance of photocatalyst-adsorbent composite. The maximum amount of methylene blue adsorption in photocatalyst-adsorbent composite was as high as 330.03 mg/g based on the adsorption experiment in dark conditions. The photocatalyst-adsorbent composite had good degradation performance with methylene blue, which was found to be 20.78% more efficient than the ZnO catalyst and 205% more efficient than the adsorption under ultra violet light irradiation. Photocatalyst-adsorbent composite could be conveniently separated from the aqueous solution by using an external magnetic field. The bio-gas was collected from the pyrolysis process, which mainly consisted of H 2 and CO. The production cost of the photocatalyst-adsorbent composite is US$ 1,361/t based on the preliminary economic analysis.
KW - Adsorption
KW - Dye removal
KW - Photocatalyst-adsorbent composite
KW - Photocatalytic degradation
KW - Pyrolysis
UR - http://www.scopus.com/inward/record.url?scp=85063260813&partnerID=8YFLogxK
U2 - 10.1016/j.jclepro.2019.03.103
DO - 10.1016/j.jclepro.2019.03.103
M3 - Article
AN - SCOPUS:85063260813
SN - 0959-6526
VL - 222
SP - 710
EP - 721
JO - Journal of Cleaner Production
JF - Journal of Cleaner Production
ER -
