ARSENIC REMOVAL FILTER USING NANO IRON COATED RICE HUSK ASH

摘要

The present invention provides a method for preparing a nano iron coated rice husk ash (RHA) via using a green tea extract. The present invention also relates to an apparatus comprising a housing provided with an inlet and an outlet, and at least one layer of filter media comprising a nano iron coated rice husk ash (RHA) positioned between two water permeable holding means. IN-MUM-2012-00315A