id	keyword
biotropia-393	cyanide
biotropia-393	biodegradation
biotropia-393	et al
biotropia-393	cells
biotropia-393	thiocyanate
biotropia-393	microbiol
biotropia-393	microorganisms
biotropia-393	pseudomonas
biotropia-393	bacteria
biotropia-393	treatment
biotropia-393	concentration
biotropia-393	anaerobic
biotropia-393	removal
biotropia-393	process
biotropia-393	immobilized