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Main Title Demonstration of a maximum recycle, sidestream softening system at a petrochemical plant and a petroleum refinery
Author Matson, J. V. ; Mouche, W. G. ; Rosenblum, E. ; McGaughey, L.
Other Authors
Author Title of a Work
Matson, Jack V.
CORP Author Houston Univ., TX.;Robert S. Kerr Environmental Research Lab., Ada, OK.
Publisher U.S. Environmental Protection Agency, Robert S. Kerr Environmental Research Laboratory,
Year Published 1984
Report Number EPA-600/2-84-176
Stock Number PB85-121044
OCLC Number 33319972
Subjects Water reuse ; Cooling ; Petroleum chemicals industry--Texas--Water-supply ; Petroleum refineries--California--Water-supply
Additional Subjects Petroleum industry ; Refineries ; Water pollution control ; Petrochemistry ; Industrial waste treatment ; Operating costs ; Cost analysis ; Corrosion prevention ; Heat exchanger ; Petrochemical industry ; Waste water reuse ; Biofouling
Internet Access
Description Access URL
Library Call Number Additional Info Location Last
EMBD  EPA/600/2-84/176 NRMRL/GWERD Library/Ada,OK 10/27/1995
NTIS  PB85-121044 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 219p. ; 28 cm.
Abstract New full-scale maximum recycle sidestream softening systems at USS Chemicals, Houston, Texas and TOSCO refinery, Bakersfield, California were evaluated as a technology to achieve zero wastewater discharge. Softener process efficiency was optimum at a pH control range of 10.3 to 10.5 at 40C and using a high mixing intensity. A problem of heat exchanger biofouling from the high dissolved organics in recycle water was effectively controlled by using Bromocide with chlorine. A total organic carbon balance over the cooling water system showed raw makeup water and process water contribute 1/3 and 2/3 of the organics, respectively. Major organic sinks were drift (60%), biodegradation (30%), and volatilization (10%). Softener sludge as analyzed for chromium by leachate tests was classified as nontoxic. Heat exchanger equipment averaged two mils/year internal corrosion. External corrosion from drift aerosols was corrected by installation of a ferrous sulfate reactor in the blow down system and improved drift eliminators in cooling towers. The TOSCO water problem of high silica and low magnesium was corrected by adding caustic and magnesium sulfate to the softener. Both plants operated satisfactorily at near zero liquid discharge. Operating costs and benefits are discussed.
Notes Caption title. "October 1984." "EPA-600/2-84-176."
Place Published Ada, OK :
Corporate Au Added Ent Robert S. Kerr Environmental Research Laboratory. ; Robert S. Kerr Environmental Research Laboratory.
PUB Date Free Form 1984.
NTIS Prices PC A10/MF A01
BIB Level m
Cataloging Source OCLC/T
OCLC Time Stamp 19951017170015
Language ENG
Origin OCLC
OCLC Rec Leader 00961nam 2200265Ia 45020