Removing Hexavalent Chromium by Nano Zero-Valent Iron Loaded on Attapulgite

Yuzhen Wei, Muhammad Usman, Muhammad Farooq, Muhammad Adeel, Fasih Ullah Haider, Zhandong Pan, Weiwei Chen, Hongyan Liu, Liqun Cai^*

^*المؤلف المقابل لهذا العمل