Characterization of Microwave and Conventional Heating on the Pyrolysis of Pistachio Shells for the Adsorption of Methylene Blue and Iodine

被引：50
作者：
Baytar, Orhan [1 ]
Sahin, Omer [1 ]
Saka, Cafer [2 ]
Agrak, Selman [1 ]
机构：
[1] Siirt Univ, Fac Engn & Architecture, Siirt, Turkey
[2] Siirt Univ, Sch Hlth, Hosp St, TR-56100 Siirt, Turkey
来源：
ANALYTICAL LETTERS | 2018年 / 51卷 / 14期
关键词：
Activated carbon; conventional heating; infrared spectroscopy; microwave; pistachio shell; pyrolysis; scanning electron microscopy; AREA ACTIVATED CARBON; CHEMICAL ACTIVATION; NUT SHELLS; PHOSPHORIC-ACID; PHYSICAL ACTIVATION; SURFACE-AREA; OPTIMIZATION; REMOVAL; DYES; KOH;
D O I：
10.1080/00032719.2017.1415920
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
The production of activated carbon was investigated using the sequential combination of microwave and conventional heating of pistachio shells as the raw precursor with zinc chloride. Several techniques such as thermogravimetric and differential thermal analyses, infrared spectroscopy, scanning electron microscopy, and specific surface area analyses were performed to characterize the samples. The highest specific surface area value for the activated carbon prepared at a microwave power of 200W with microwave time of 20min, and flow rate of 50mLmin(-1) was 1468m(2)g(-1). The methylene blue and iodine adsorption capacities were 331 and 1276mgg(-1), respectively. The results were compared to those obtained using physical and chemical activation methods and showed that the sequential combination of microwave and conventional heating reasonably influenced the micropore surface area of the samples as well as the specific surface area.
引用
收藏
页码：2205 / 2220
页数：16
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