Separation Technology

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	Question
	Why choose "disposable" carbon filtration over a regenerative approach?
	How can VOCs (volatile organic compounds) be recovered from beds of activated carbon?
	What is a thermosiphon reboiler?
	Where can I find vapor-liquid equilibrium (VLE) data for an ammonia-water system?
	What are coalescers used for?
	Why is it sometimes necessary to distill under a vacuum and what are the special considerations involved?
	What is an emulsifier?
	What is the standard method of cleaning carbon dioxide streams from ethanol plants?
	What are some common chemicals used to demulsify oil found in wastewater?
	How does particle size affect the appearance of an oil emulsion in water?
	How can a vortex be prevented at the bottom of a separation column?
	What is dissolved air flotation?
	What factors should be considered when choosing a solvent for liquid-liquid extraction?
	Where can I find information about:1. Solubility data for sodium sulfate in water 2. Technologies for effluent treatment
	How can air flotation be used to separate emulsions?
	What are some good internet references for ion exchange?
	What is induced air flotation?
	What are the typical operating ranges of filter presses?
	What is a Zeta potential?
	What do the different equilibrium diagrams look like for different separation processes?
	What is a good method for calculating the K-values for fatty acids?
	What are some possible reactions to increasing the pressure in an absorption column?
	How are streams treated to remove PCB's (Polychlorinated biphenyls)?
	How can the water removal of anaerobically digested municipal sludge be improved?
	What methods are available for removing sulfur containing compounds from wastewater treatment streams?