摘要:选用农林废弃物质橘子皮为原料,烘干粉碎,通过对水溶液中铬离子的吸收行为的研究,考察了橘子皮生物吸附剂的吸附性能。采用现代分析检测技术,紫外可见分光光度计。通过静态吸附实验,考察了在不同加入量、pH、温度、吸附时间的条件下,橘子皮生物吸附剂对铬离子吸附效果的影响, 结果表明,pH值和吸附剂的量对吸附率影响比较明显;温度对吸附率影响较小;所有吸附过程在40min内达到吸附平衡,该吸附剂对废水中的铬离子去除效果较好,去除率达80%左右,并且吸附速度快、时间短、可作为废水中重金属离子的吸附剂使用。关键词:橘子皮;重金属铬离子;吸附作用8376
Study on adsorption of chromium ion of orange peel
Abstract: Selection of agriculture, forestry, waste material and orange peel as raw materials, drying crushed, study the orange peel Biosorbent the adsorption properties of the absorption behavior of chromium ions in aqueous solution. The use of modern analytical techniques, UV-Vis spectrophotometer. By static adsorption experiments, the effects of different added amount, pH, temperature, adsorption time conditions of orange peel Biosorbent on chromium ion adsorption effect, the results showed that the pH value and solid-liquid ratio on the adsorption rate ; impact of temperature on the adsorption rate is smaller; the all adsorption process to reach equilibrium within 40min the adsorbent better chromium ions in the wastewater removal, the removal rate of about 80%, and theadsorption speed, time is short, can be used as wastewater heavy metal ion adsorbent
Keywords: Orange peel Of chromium ions Sorption