A comparative assessment of the methylene blue dye adsorption capacity of natural biochar versus chemically altered activated carbons

被引：23

作者：

Sutar, Shubham ^{[1
]}

Jadhav, Jyoti ^{[1
]}

机构：

[1] Shivaji Univ, Dept Biotechnol, Kolhapur 416004, Maharashtra, India

来源：

BIORESOURCE TECHNOLOGY REPORTS | 2024年 / 25卷

关键词：

Rice straw biochar; Methylene blue; Adsorption; Kinetics; Isotherm; Toxicity assessment; POROUS CARBONS; RICE-STRAW; PERFORMANCE; SUPERCAPACITORS; PYROLYSIS; KINETICS; ENERGY;

D O I：

10.1016/j.biteb.2023.101726

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Textile wastewater improperly released damages the environment. In this research, rice straw was pyrolyzed to produce pristine biochar (biochar A) and processed with NaOH, KOH, H3PO4, and ZnCl2 to synthesize activated carbons B, C, D, and E, respectively. For all the activated carbons and biochar-A, the pseudo-second-order kinetic model and the Langmuir adsorption isotherm accurately depicted the adsorption process signifying the monolayer layer adsorption mechanism. The highest MB adsorption capacity for biochar A was noted (86.95 mg g(-1)). Compared to the MB dye, activated carbons, biochar A and their supernatant solutions were significantly less hazardous based on toxicity evaluations. Based on a comparison of all the activated carbons (B, C, D, and E), biochar A can be employed as an adsorbent to remove dye from textile effluent.

引用

页数：11

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