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首页> 外文期刊>Journal of the Indian Chemical Society >Use of mustard cake as adsorbent for adsorption of patent-blue dye from aqueous solution and its desorption studies
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Use of mustard cake as adsorbent for adsorption of patent-blue dye from aqueous solution and its desorption studies

机译：芥菜饼作为吸附剂从水溶液中吸附专利蓝色染料及其解吸研究

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摘要

The adsorption of patent-blue on de-oiled mustard was investigated to assess the possible use of this adsorbent for the processing of dye industry waste water. The efficiency of de-oiled mustard in the dye colour sorption was compared with activated carbon i.e. charcoal. The influence of various factors such as adsorbent dose, contact time, pH, adsorbate concentration, particle size, temperature on the adsorption capacity has been studied by batch experiments. The adsorption studies revealed that the ongoing adsorption validates both Langmuir and Freundlich adsorption isotherms at temperatures 40, 50 and 60 °C. Thermodydnamic parameters such as ΔG°, ΔH° and ΔS° for the adsorption process were calculated. Desorption profile revealed that a significant portion of the dye (92%) was recovered by using 1.0 M NaOH as eluting agent.
机译：对去油芥末上的专利蓝的吸附进行了研究，以评估该吸附剂在染料工业废水处理中的可能用途。将除油的芥末在染料颜色吸收中的效率与活性炭即木炭进行了比较。通过分批实验研究了吸附剂剂量，接触时间，pH，吸附物浓度，粒径，温度等因素对吸附容量的影响。吸附研究表明，正在进行的吸附验证了Langmuir和Freundlich在40、50和60°C的吸附等温线。计算了吸附过程的热力学参数，例如ΔG°，ΔH°和ΔS°。解吸曲线表明，通过使用1.0 M NaOH作为洗脱剂，可回收大部分染料（92％）。

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