低成本吸附剂处理印染废水的研究进展及发展趋势

Research progress and development trend of low-cost adsorbent treating printing and dyeing wastewater

吸附技术广泛应用于印染废水中染料的去除,目前普遍使用商业活性炭作为吸附材料,由于成本高、再生困难,限制了其应用和发展,因此研究价格低廉的新型吸附剂替代活性炭十分必要。简单介绍了工业废弃物、天然材料和生物吸附剂,并描述了它们的优点和局限性。

Adsorption technology was widely used in dye removal from printing and dyeing wastewater. At present, commercial activated carbon was widely used as adsorption materials, but its application and development were limited because of its high cost and difficulty in regeneration. Therefore, it was very necessary to study the new adsorbent with low price to replace activated carbon. The industrial waste, natural materials and biological adsorbent were briefly introduced, and their advantages and limitations were described.