Co-hydrothermal carbonization of lignocellulosic biomass and swine manure: Hydrochar properties and heavy metal transformation behavior

被引：136

作者：

Lang, Qianqian ^{[1
,2
]}

Guo, Yanchuan ^{[2
,3
]}

Zheng, Qingfu ^{[4
]}

Liu, Zhengang ^{[1
,2
]}

Gai, Chao ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Photochem Convers & Optoelect Mat, Beijing 100190, Peoples R China

[4] Inner Mongolia Univ Nationalities, Anal & Testing Ctr, Tongliao 028000, Peoples R China

来源：

BIORESOURCE TECHNOLOGY | 2018年 / 266卷

关键词：

Co-hydrothermal carbonization; Swine manure; Lignocellulosic biomass; Heavy metal; Synergistic effect; ANTIBIOTIC-RESISTANCE GENES; SEWAGE-SLUDGE; ANAEROBIC-DIGESTION; SOLID BIOFUEL; WATER; TEMPERATURE; CELLULOSE; BIOCHAR; PATHWAY; WASTES;

D O I：

10.1016/j.biortech.2018.06.084

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

Co-hydrothermal carbonization (HTC) of lignocellulosic biomass and swine manure (SM) was conducted, and the hydrochar properties and transformation behavior of heavy metals (HMs) were investigated in this study. The results showed that co-HTC with lignocellulosic biomass promoted the dehydration of SM and enhanced the aromatization of the hydrochar. Compared to the hydrochar from SM, the carbon content, higher heating value and energy yield of the hydrochar from co-HTC were significantly increased, reaching the maximum of 57.05%, 24.20 kJ/kg and 80.17%, respectively. Significant synergy occurred between lignocellulosic biomass and SM during co-HTC and different lignocellulosic biomass exhibited similar influence on the synergy. Additionally, the concentration and bioavailability of HMs in the hydrochar from co-HTC were decreased in comparison to SM. These findings suggested that co-HTC with lignocellulosic biomass offered an effective approach to convert SM into clean solid fuel with remarkably improved fuel properties.

引用

页码：242 / 248

页数：7

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