作者： Yao, S (Yao, Shi); Li, XN (Li, Xiaona); Cheng, H (Cheng, Hu) ; Zhang, C (Zhang, Chao); Bian, YR (Bian, Yongrong); Jiang, X (Jiang, Xin) ; Song, Y (Song, Yang) 

题目：Resource utilization of a typical vegetable waste as biochars in removing phthalate acid esters from water: A sorption case study

刊物：BIORESOURCE TECHNOLOGY，卷: 293  文献号: 122081

DOI: 10.1016/j.biortech.2019.122081

出版年: DEC 2019

摘要：

It is very important to utilize associated vegetable products as resources, especially in large-scale vegetable cultivation areas. In this study, pepper straw, a vegetable waste, was pyrolyzed into pepper straw biochars (PBs) to investigate their sorption potential for phthalate acid esters (PAEs). The results showed that PBs have porous structures and abundant surface functional groups. Dibutyl phthalate (DBP) and dimethyl phthalate (DMP) removal by PBs was divided into two stages, fast and slow sorption. The PBs pyrolyzed at 500 degrees C showed greater DBP and DMP sorption capacity than those pyrolyzed at 400 and 600 degrees C. Both chemical and physical sorption occurred in the whole sorption process of PAEs to PBs. It is proposed that converting pepper straw into biochars to use as sorbents could be an environmentally friendly way of vegetable waste resource utilization.