id	keyword
alkej-998	adsorption
alkej-998	vol
alkej-998	activation
alkej-998	chemical
alkej-998	carbon
alkej-998	physical
alkej-998	dye
alkej-998	journal
alkej-998	haji
alkej-998	removal
alkej-998	surface
alkej-998	engineering
alkej-998	methylene
alkej-998	blue
alkej-998	al haji
alkej-998	adsorbent
alkej-998	rate
alkej-998	process
alkej-998	material
alkej-998	sample
alkej-998	concentration