id	keyword
easat-5479	adsorption
easat-5479	pei
easat-5479	biochar
easat-5479	vol
easat-5479	fe3o4
easat-5479	efficiency
easat-5479	adsorbent
easat-5479	removal
easat-5479	agricultural
easat-5479	wastewater
easat-5479	science
easat-5479	surface