id	keyword
eurjchem-2189	adsorption
eurjchem-2189	cr(vi
eurjchem-2189	fmrsb
eurjchem-2189	removal
eurjchem-2189	biochar
eurjchem-2189	rice
eurjchem-2189	straw
eurjchem-2189	chromium
eurjchem-2189	model
eurjchem-2189	adsorbent
eurjchem-2189	solution
eurjchem-2189	surface
eurjchem-2189	concentration
eurjchem-2189	chemistry
eurjchem-2189	kinetic
eurjchem-2189	journal
eurjchem-2189	iron