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Abstract of the Article

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The Method of Define Treatability of A Source of Water or Wastewater by Reverse Osmosis

Authors:
[ Karim Ghasemipanah ] - PhD student of Tehran University
[ Ali Torabian ] - Associate Professor of Tehran University ,Shahin Rezaei, Expert of Shiraz Environmental Health

Abstract:

In most cases, ROSA (Reverse Osmosis System Analysis) computer program can predict a system performance when feed water source and composition are well defined. However, in some cases, testing is recommended to support the proper system design. Testing is typically carried out at different subsequent levels ;such as, screening test ,application test and pilot test. The goal of a screening test is to select the appropriate membrane for the desired separation and to obtain a rough idea about the flux and rejection properties of the membrane. Application test provides scale-up data such as permeate flux and permeate quality as a function of feed pressure and system recovery. A pilot test is typically run in the field on the intended feed stream in a continuous operation mode. The objective of pilot test is to confirm the system design and to fine-tune operating parameters as well as to minimize the risk in large projects.

Keywords:

Reverse Osmosis, Treatability of water and wastewater, Membrane, Pilot test