Influence of Microbial Treatment on the Preparation of Porous Biochar with Stepped-Up Performance and Its Application in Organic Pollutants Control

Overview

Journal Int J Mol Sci

Publisher MDPI

Specialties Biochemistry
Chemistry
Molecular Biology

Date 2022 Nov 26

PMID 36430558

Authors

Yingjie Su

Keyu Xie

Jiaohui Xiao

Siji Chen

Affiliations

Soon will be listed here.

Abstract

In this study, grass (ITG) was used as a biomass carbon resource to prepare biochars for the first time. After microbial treatment, the obtained microbial-treated ITG (MITG) was activated by using a mixed base as an activator for preparation of biochar (MITGB). The specific surface area and total pore volume of MITGB were 3036.4 m/g and 1.5252 cm/g, which were higher than those of biochar prepared without microbial treatment (ITGB, 2930.0 m/g and 1.5062 cm/g). Besides, the physicochemical properties of MITGB and ITGB were also quite different including micro morphology, surface chemistry, functional groups, etc. In the experiment of removing organic pollutants with synthetic dye RhB and antibiotic TH as the models, MITGB showed excellent treatment ability. The maximum adsorption capacities of MITGB for RhB and TH were 1354.2 and 1462.6 mg/g, which were higher than most of the biochars. In addition, after five cycles of recycling, the adsorption capacities of the organic pollutant models can still be maintained at more than 80%, which showed high stability. This work verified the feasibility of microbial treatment to further improve the performance of biochar and provided a new idea and direction for exploring other biochars.

Citing Articles

Biochar Composite with Enhanced Performance Prepared Through Microbial Modification for Water Pollutant Removal.

Zhang B, Li R, Zheng Y, Chen S, Su Y, Zhou W Int J Mol Sci. 2024; 25(21).

PMID: 39519280 PMC: 11546741. DOI: 10.3390/ijms252111732.

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