id	keyword
american_scientific_journal-3592	catalyst
american_scientific_journal-3592	cao
american_scientific_journal-3592	fame
american_scientific_journal-3592	oil
american_scientific_journal-3592	reaction
american_scientific_journal-3592	biodiesel
american_scientific_journal-3592	eggshell
american_scientific_journal-3592	molar
american_scientific_journal-3592	ratio
american_scientific_journal-3592	yield
american_scientific_journal-3592	methanol
american_scientific_journal-3592	chicken
american_scientific_journal-3592	waste