Intracellular Polymer Substances Induced Conductive Polyaniline for Improved Methane Production from Anaerobic Wastewater Treatment

被引：102

作者：

Hu, Qian ^{[1
]}

Zhou, Na ^{[1
]}

Gong, Kedong ^{[1
]}

Liu, Haoyu ^{[1
]}

Liu, Qing ^{[1
]}

Sun, Dezhi ^{[1
]}

Wang, Qiang ^{[1
]}

Shao, Qian ^{[2
]}

Liu, Hu ^{[3
,4
,5
]}

Qiu, Bin ^{[1
]}

Guo, Zhanhu ^{[3
]}

机构：

[1] Beijing Forestry Univ, Coll Environm Sci & Engn, Beijing Key Lab Source Control Technol Water Poll, Beijing 100083, Peoples R China

[2] Shandong Univ Sci & Technol, Coll Chem & Environm Engn, 579 Qianwangang Rd, Qingdao 266590, Peoples R China

[3] Univ Tennessee, Dept Chem & Biomol Engn, ICL, 1512 Middle Dr, Knoxville, TN 37996 USA

[4] Zhengzhou Univ, Minist Educ, Key Lab Mat Proc & Mold, Zhengzhou 450002, Henan, Peoples R China

[5] Zhengzhou Univ, Natl Engn Res Ctr Adv Polymer Proc Technol, Zhengzhou 450002, Henan, Peoples R China

来源：

ACS SUSTAINABLE CHEMISTRY & ENGINEERING | 2019年 / 7卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Polyaniline; Bacteria cell; Conductivity; Methane production; Intracellular polymer substances; ELECTROCHEMICAL SYNTHESIS; SILICA NANOPARTICLES; FACILE SYNTHESIS; ONE-STEP; COMPOSITES; NANOSTRUCTURES; NANOCOMPOSITES; FABRICATION; DOPANT;

D O I：

10.1021/acssuschemeng.8b05847

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Intracellular polymer substances (IPS) from bacterial cells were used as a novel template to synthesize porous structured polyaniline (PANT) in this study. The specific surface area of the IPS-induced PANI was similar to 1.8 times that of the pristine PANI. The dosage of the bacterial cell was optimized at an optical density of 0.536. A conductivity of similar to 3.1 S/cm was achieved for the IPS-induced porous PANI and was about 4 times higher than that of the PANI synthesized without templates. The improved crystallinity, decreased d-spacing, and lower band gap were disclosed to contribute together to the improved conductivity of the IPS-induced PANI. This porous PANI was used as a conductive medium to improve the electron transfer among anaerobic microorganisms, and thus accelerated to produce methane (CH4) gas from wastewater. The IPS-induced PANI with the conductivity ranging from 0.7 to 3.1 S/cm was found to have a positive influence on the production of CH4.

引用

页码：5912 / +

页数：17

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