id	keyword
american_scientific_journal-4632	banana
american_scientific_journal-4632	waste
american_scientific_journal-4632	banana waste
american_scientific_journal-4632	production
american_scientific_journal-4632	biogas
american_scientific_journal-4632	processing
american_scientific_journal-4632	content
american_scientific_journal-4632	anaerobic
american_scientific_journal-4632	journal
american_scientific_journal-4632	pulp
american_scientific_journal-4632	digestion
american_scientific_journal-4632	research
american_scientific_journal-4632	fruit
american_scientific_journal-4632	technology
american_scientific_journal-4632	engineering
american_scientific_journal-4632	methane
american_scientific_journal-4632	volume
american_scientific_journal-4632	energy
american_scientific_journal-4632	sciences
american_scientific_journal-4632	scientific