id	keyword
american_scientific_journal-3004	adsorption
american_scientific_journal-3004	cu2
american_scientific_journal-3004	biomass
american_scientific_journal-3004	plantain
american_scientific_journal-3004	model
american_scientific_journal-3004	adsorbent
american_scientific_journal-3004	acid
american_scientific_journal-3004	gpp
american_scientific_journal-3004	peels
american_scientific_journal-3004	technology
american_scientific_journal-3004	solution
american_scientific_journal-3004	journal