Process optimization for Cr(VI) removal by Mangifera Indica seed powder: a response surface methodology approach

被引：8

作者：

Premkumar, M. ^{[1
]}

Shanthakumar, S. ^{[1
]}

机构：

[1] VIT Univ, Sch Mech & Bldg Sci, Environm Engn Div, Vellore 632014, Tamil Nadu, India

来源：

DESALINATION AND WATER TREATMENT | 2015年 / 53卷 / 06期

关键词：

Mango seed kernel powder; Central composite design; Response surface methodology; Chromium removal; 1-5; Diphenyl carbazide; ACTIVATED CARBON; AQUEOUS-SOLUTIONS; WASTE-WATER; CHROMIUM REMOVAL; HEXAVALENT CHROMIUM; TRIVALENT CHROMIUM; TAMARIND-WOOD; ADSORPTION; BIOSORPTION; KINETICS;

D O I：

10.1080/19443994.2013.857615

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

In this study, Mangifera Indica (mango) seed kernel powder was used as an adsorbent for chromium(VI) removal. The interactive effects between the process variables such as pH, temperature, adsorbent concentration, chromium concentration, and stirring speed (RPM) on chromium(VI) removal have been studied. In order to optimize the process, the experiments were designed using central composite design under response surface methodology by MINITAB 16.0 software. Based on the study, the optimum conditions for maximum removal of chromium(VI) from synthetic solution were obtained as: pH 1, temperature 27.5 degrees C, adsorbent concentration 3.5g/L, chromium concentration 100ppm, and RPM 75. The statistical analysis of the data shows that experiments are statistically significant with a regression coefficient (R-2) value of 0.95.

引用

页码：1653 / 1663

页数：11

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