SBIR Phase I:  The Mechanism of Halogen Attack on Composite Reverse-Osmosis Membranes
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{'SignBlockName': 'Ritchie B. Coryell', 'PO_EMAI': None, 'PO_PHON': None}
The improved membranes developed recently for reverse osmosis are               nitrogen-containing polymers of the polyamide and polyurea class.               Unfortunately these kinds of polymers are damaged by the presence of            halogens and systems now in use require pretreatment removal steps              adding to system complexity and cost.  The proposed research will               attempt to establish the precise nature of the polymer degradation by           chlorine.  Main reactions and side reactions will be identified by              determining stability of polymer functional groups toward various               chlorine species.  This should lead directly to the development of              halogen-resistant polymers.  It is also expected to learn more about            optimizing the operating conditions for the reverse-osmosis process.
{'FirstName': 'Roderick', 'LastName': 'Ray', 'PI_MID_INIT': 'J', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Roderick J Ray', 'EmailAddress': None, 'PI_PHON': None, 'NSF_ID': '000437440', 'StartDate': '02/01/1986', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
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{'Code': '5371', 'Text': 'SBIR Phase I'}
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