Fig. 4From: Effect of pyrolysis conditions on chemical properties of carbonized rice husks for efficient NH4+ adsorptionEffect of adsorbent dosage in solution on adsorption by the carbonized rice husks and A type 1, B type 2, C type 3, D type 4, E type 5 of Langmuir isotherm and F Freundlich isotherm fit related to the sorption of NH4+ onto the carbonized rice husksBack to article page