filter
TRANSCRIPT
Bulletin No. 2200.4
FILTER REMEDIATION6739 S. Washington Ave., P.O. Box 469, Whittier, CA 90608
Fax: (562) 693-5257 e-mail: [email protected] Site: www.pfdiv.com
FIELD SERVICES
o Qualified personnel to inspect / troubleshoot existing filtration systems, perform pilot filter study, offer recommendations and a quotation for filter system remediationand recommissioning of filter system
UNDERDRAIN REPLACEMENT
o Inspect existing filter internalso Replace broken PVC underdrains / laterals with 316 L stainless steel
wedgewire components
MEDIA REPLACEMENT
o Multimedia replacement loads to improve filter performance
CONTROLS … VALVES … PRETREATMENT
o Replace original control panel with updated microprocessor based designo Replace butterfly valves/actuatorso Add pre- or post-treatment equipment including coagulant feed, oxidation/ disinfection equipment, water quality monitors/controls
BACKWASH WATER RECLAIM SYSTEM
o Reclaim up to 99% of total backwash volumeo Reduce or eliminate backwash water discharge
PILOT FILTERS
o Onsite pilot filter systems (flow rates from 0.50 gpm to 75 gpm)o Pretreatment tests to evaluate various oxidantso Optimize filter efficiency
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TYPICAL IRON & MANGANESE REMOVAL SYSTEM
FILTER REMEDIATION DATA
● Client's Name / Address _________________________________________________
● Filter Manufacturer __________________ ● Media Type _______________________
● Filter Type □ Pressure □ Gravity
● □ Single Cell □ Multi Cell No. of Cells __________________________________
● Flow Rate ___________________ gpm ● No. of Filter Vessels ________________
● Filter Vessel(s) Size _________" Dia _________" Length
● Inlet / Outlet Pipe Size _____________" No. of Cells / Filter Vessel ________________
● Underdrain Type ___________ Underdrain Material of Construction _______________
● Condition of Underdrains _______________________________________________
● Access Manway(s) Dimensions _________" X _________"
● Water Quality Analysis (Attach Raw and Filtered Water Quality Data) Please refer to Pureflow Bulletin Nos. A2.92101.4 and A2.9422.4.
● System P & ID (Attach) ● Surface Wash / Air Scour Yes □ No □
● Type of Flow Control Valves and Locations _________________________________
● Backwash Water Supply (Source __________________ Flow Rate __________gpm)
● Backwash Water Temp ( __________°F) ● Filter Control: Automatic □ Manual □
● Existing Pretreatment Equipment ________________________________________
07/07 PUREFLOW © FILTRATION Division California Environmental Controls, Inc. Whittier, CA 90601