Statistical Analysis of Congo Red Dye Removal Using Sawdust Activated Carbon

Changsu Jung

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Statistical Analysis of Congo Red Dye Removal Using Sawdust Activated Carbon

机译：锯末活性炭刚果红染料去除统计分析

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In the present study, an adsorbent was prepared from Ben Teak sawdust by chemically treating and carbonizing with phosphoric acid. Using Design Experts software, 2 level factorial studies and Response surface methodology studies using Box-Benkhen design model were carried out and a relationship between Qe and pH, temperature, concentration of dye, amount of adsorbent, agitation speed were derived for Congo red- Saw Dust Carbon(SDC) . Maximum Congo-red removal of 96.764 % and adsorption capacity of 149.507 mg/g was found at pH 2, 30 C, 125 rpm, 150 mg/L and lgram/L of reaction mixture for an optimum contact time of 2.5 hours. Adsorption isotherm obtained fitted well into both Freundlich and Langmuir equation but Freundlich isotherm fits better with 1/n ranging from 0.4944 to 0.5894 and R2 ranging from 0.92333 to 0.952. The qmax from Langmuir isotherm was established to be 209.7 mg/g.

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《International Journal of Chemistry and Chemical Engineering》 |2020年第2期|共23页
作者
Changsu Jung;
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正文语种 eng
中图分类化学工业;
关键词
Sawdust Carbon; Congo red; Box-Benkhen; Response surface methodology; Langmuir;

机译：锯末碳;刚果红色;Box-Benkhen;响应面方法;兰姆尔;

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Statistical Analysis of Congo Red Dye Removal Using Sawdust Activated Carbon

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