SS Lakshmi, M Gayathri, PN Sudha - neptjournal.com
The removal of Cr (VI) from aqueous solution using sulphonated black rice husk ash (SBRHA) and sulphonated white rice husk ash (SWRHA) at various pH and adsorbent …
SS Lakshmi, M Gayathri, PN Sudha - neptjournal.com
The removal of Cr (VI) from aqueous solution using sulphonated black rice husk ash (SBRHA) and sulphonated white rice husk ash (SWRHA) at various pH and adsorbent …