Removal of lead metal ion using biowaste of Pithophora cleveana wittrock and Mimusops elengi

被引：11

作者：

Gaddam, Kalyani ^{[1
]}

Perumal, Mahendran Sivananaintha ^{[2
]}

Ravindiran, Gokulan ^{[3
]}

机构：

[1] GMR Inst Technol, Dept Chem Engn, Srikakulam 532127, Andhra Pradesh, India

[2] PSNA Coll Engn & Technol, Dept Civil Engn, Dindigul, India

[3] GMR Inst Technol, Dept Civil Engn, Srikakulam, India

来源：

ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS | 2025年 / 47卷 / 01期

关键词：

Biosorption; lead; Mimusops elengi; modeling; Pithophora Cleveana Wittrock; AQUEOUS-SOLUTIONS; HEAVY-METALS; BIOSORPTION; ADSORPTION; DYES; EQUILIBRIUM; CARBON; ZN(II); PB(II); ZINC;

D O I：

10.1080/15567036.2020.1831657

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The present research explored the potential of a freshwater algae Pithophora cleveana Wittrock and Mimusops elengi leaves in the removal of lead in batch experiments. The operating parameters like contact time, pH of a solution, biosorbent dosage, particle size of biosorbent, initial concentration, and temperature were determined. A maximum uptake of 22.96 and 14.54 mg/g was reported for Pithophora cleveana Wittrock and Mimusops elengi with a maximum removal efficiency of 94.89% and 85.67%. Langmuir Isotherm model predicted a maximum correlation coefficient of 0.999 and 0.985 for Pithophora cleveana Wittrock and Mimusops eleng biosorbents. The kinetic study concluded that the pseudo-second-order kinetic model was found to best fit with a correlation coefficient always not less than 0.995. The thermodynamic study concluded that the biosorption mechanism was exothermic and spontaneous.

引用

页码：1592 / 1610

页数：19

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