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Position: Home > Articles > Preparation and Optimization of Loquat Seeds Based on Microporous Carbon via Response Surface Method and Study on Its Selective Adsorption Properties Chinese Journal of Tropical Crops 2018 (8) 1651-1658

响应面法制备枇杷核微孔炭及其选择性吸附研究

作者：

梁杰;刘涛;张超霞;蔡力锋

单位：

莆田学院环境与生物工程学院/福建省新型污染物生态毒理效应与控制重点实验室

关键词：

枇杷核;微孔炭;响应面法;选择性吸附;抗生素

摘要：

以新鲜枇杷核为原料制备了枇杷核微孔炭(LMC),以LMC对盐酸四环素的吸附率为指标,通过响应面法优化制备工艺,进一步研究了LMC的孔结构和选择性吸附性能。结果表明:最优制备工艺为活化时间192 min、活化温度565℃、活化升温速率21.5℃/min、炭化温度632℃;该工艺所得枇杷核微孔炭对盐酸四环素的吸附率高达95.25%,其BET比表面积为1 275 m~2/g,微孔表面积为1 219 m~2/g,总孔容为0.535 4 cm~3/g,微孔孔容为0.473 cm~3/g;较高的比表面积和高比例的微孔含量赋予其优异的分子尺寸选择性吸附性能。

译名：

Preparation and Optimization of Loquat Seeds Based on Microporous Carbon via Response Surface Method and Study on Its Selective Adsorption Properties

作者：

LIANG Jie;LIU Tao;ZHANG Chaoxia;CAI Lifeng;College of Environmental and Biological Engineering, Putian University/Fujian Provincial Key Laboratory of Ecology-toxicological Effects & Control for Emerging Contaminants;

单位：

LIANG Jie%LIU Tao%ZHANG Chaoxia%CAI Lifeng%College of Environmental and Biological Engineering, Putian University/Fujian Provincial Key Laboratory of Ecology-toxicological Effects & Control for Emerging Contaminants

关键词：

loquat seed;;microporous carbon;;response surface method;;selective adsorption;;antibiotic

摘要：

Loquat seeds based microporous carbon(LMC) was prepared using fresh loquat seeds as the raw material. Employing the adsorption rate of tetracycline hydrochloride on LMC as the investigation index, the preparation technology of LMC was optimized via a response surface method. The pore structure and selective adsorption were further investigated. The results showed that, the optimal preparation parameter was obtained as the following, the activation time 191.56 min, activation temperature 565 ℃, activation heating rate 21.5 ℃/min, and the carbonization temperature 632 ℃. The adsorption rate of tetracycline hydrochloride on the as-obtained LMC was up to 95.25%. The BET specific surface area, micropore's surface area, total pore volume, and micropore's pore volume of the as-obtained LMC was 1 275 m~2/g, 1 219 m~2/g, 0.535 4 cm~3/g, and 0.473 cm~3/g, respectively. Benefiting from the high specific surface area and high proportions of microporous structure, it exhibited good molecular size selective adsorption properties.

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响应面法制备枇杷核微孔炭及其选择性吸附研究

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