Complex sentence: Through rhizofiltration heavy metals can be removed efficiently from the water including arsenic, cooper, cadmium in which the results observed are impressive with 96% of Cu and 85% Cd metals in a 7-d incubation period.
Split into simpler sentences: Through rhizofiltration heavy metals including arsenic, cooper, cadmium can be removed efficiently from the water. The results observed are impressive showing 96% of cooper and 85% cadmium metals removed in a 7-d incubation period.