PAN—ACF吸附洗车废水的实验研究

实验以洗车废水为研究对象，研究了聚丙烯腈活性炭纤维（PAN—ACF）去除水中LAS的效果，考察了PAN—ACF的用量、时间、温度以及pH对吸附效果的影响。模拟废水和实际洗车废水的实验研究表明：当废水中LAS浓度为10mg／L时，在处理最佳时间为5min、最佳用量为0．5g/L、常温弱酸性的条件下，LAS的去除率能达到92％以上。此外PAN—ACF对废水中的CODcr及NH3-N也能有效地去除，用NaOH溶液再生后对LAS吸附性更好。

Experimental Study on the PAN-ACF Adsorbing Car-washing Wastewater

The article investigated the removal of LAS from Car - washing wastewater using PAN - ACF as adsorbent. And it indicates that adsorption effect which influenced by PAN - ACF dosages, adsorption time, temperature and pH. The experiment results of simulated wastewater and real wastewater indicate as follows：Under the condition of the weak acidity, normal temperature, the 5 min optimum time and the 0. 5 g/L optimum dosages, the removal rate for LAS was more than 92% with the LAS con- centration of 10 mg/L. In addition, PAN - ACF also can remove CODe, and NH3 - N in Car - washing wastewater effectively, and the better removal rate can be achieved after regeneration with NaOH solution.