Surfactant-Modified Hydrophobic Biochar Derived from Laver (Porphyra haitanensis) with Superior Removal Performance for Kitchen Oil

被引：0

作者：

Sun J. ^{[1
]}

Ji L. ^{[1
]}

He Q. ^{[1
]}

Li R. ^{[1
]}

Xia X. ^{[2
]}

Wang Y. ^{[1
]}

Yang Y. ^{[2
]}

Cai L. ^{[3
]}

Guo J. ^{[2
]}

机构：

[1] National Marine Facilities Aquaculture Engineering Technology Research Center, Zhejiang Ocean University, Zhoushan

[2] College of Food and Medical, Zhejiang Ocean University, Zhoushan

[3] Institute of Ocean Higher Education, Zhejiang Ocean University, Zhoushan

来源：

Journal of Renewable Materials | 2023年 / 11卷 / 08期

关键词：

kitchen oil; Laver biochar; removal mechanism; surfactant modification;

D O I：

10.32604/jrm.2023.027160

中图分类号：

学科分类号：

摘要：

In this study, a novel absorpent (MSAR600°C) with a hydrophobic surface and hierarchical porous structure for the removal of kitchen oil was facilely fabricated from the macroalgae, laver (Porphyra haitanensis) by incorporating high-temperature carbonization and alkyl polyglucosides (APG) and rhamnolipid (RL) surfactants modifi-cation. The characterization results showed MSAR600°C possessed a louts-leaf-like papillae microstructure with high contact angle (137.5°), abundant porous structure with high specific surface area (23.4 m2/g), and various oxygen-containing functional groups (-OH, C=O, C-O). Batch adsorption experiments were conducted to inves-tigate the effect of adsorption time, temperature, pH, and absorbent dose on kitchen oil adsorption performance. Then the practical application for the removal of kitchen oil using MSAR600°C was also performed. The results showed that MSAR600°C had a higher removal efficiency for kitchen oil (75.98%), compared with the commercial detergent (72.3%). This study demonstrates an example of fabricating a green tableware detergent for enhanced removal performance of kitchen oil. © 2023, Tech Science Press. All rights reserved.

引用

页码：3227 / 3243

页数：16

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