Valorization of peach stones to high efficient activated carbon: Synthesis, characterization, and application for Cr(VI) removal from aqueous medium

被引：13

作者：

Khemmari, Fariza ^{[1
]}

Benrachedi, Khaled ^{[1
]}

机构：

[1] Mhamed Bougara Univ, Fac Engn Sci, Res Lab Alimentary Technol, Boumerdes 35000, Algeria

来源：

ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS | 2020年 / 42卷 / 06期

关键词：

Peach stones; activated carbon; characterization; hexavalent chromium; adsorption; HEXAVALENT CHROMIUM REMOVAL; CHEMICAL ACTIVATION; WASTE-WATER; ADSORPTION; BIOMASS; SHELL; CONTAMINANTS; EQUILIBRIUM; SORPTION;

D O I：

10.1080/15567036.2019.1598519

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：

Agriculture residue (peach stones) was valorized to produce low-cost activated carbon. Granular peach stones were activated by H3PO4 after heating treatment. The peach stones activated carbon (PSAC) was characterized by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDX) and nitrogen adsorption (BET).The simply prepared carbon was high-quality adsorbent with well-developed surface area and essentially microporous structure. PSAC was applied for Cr(VI) removal in batch system from aqueous solution. Cr(VI) removal was found 99.58% at pH 5.6. Investigations carried out proved that PSAC is an efficient and economic adsorbent for the treatment of toxic hexavalent chromium.

引用

页码：688 / 699

页数：12

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