Presentations by Richard Stratton, PE
Matches: 7
Combined Membrane and Conventional Filter Water Treatment Plant - Case History
This presentation covers a case study about a combined membrane and conventional filter water treatment plant located in Yuba City 43 miles north of Sacramento, CA. They observe that membrane filtrate quality is more stable compared to filter effluent and membranes can successfully operate with conventional filters....
Improved Membrane Design Addresses Integrity Issues for the City of Yuba City Water Treatment Plant
This paper is a case study of the City of Yuba City operates a 36 mgd surface water treatment plant. The paper covers testing of conventional and membrane filtration systems as well as full scale membrane operation when membrane integrity issues began to impact operations. Testing was conducted on new membrane filtration modules with improved abras...
City of Clovis Expands their Membrane Water Treatment Plant to 22.5 mgd by Changing their Pretreatment Strategy and Adding Racks
The City of Clovis, CA operates a 15 mgd surface water treatment plant (SWTP) that receives its source of supply from the Kings River via the Enterprise Canal. The plant was originally constructed in 2004 with a capacity of 15 mgd using ballasted clarification pretreatment followed by microfiltration membranes. Due to the SWTP?s inability in recent...
Submerged Membrane to Replace Media Filters to Increase Capacity 4X for a Small Community
An upgrade for a conventional municipal surface water treatment plant using a submerged UF was used to increase plant capacity by 4X with same sized footprint. Pretreatment includes alum or ACH for TOC removal, potassium permanganate for iron and manganese and taste and oder control, powdered activated carbon (PAC), and 5 minute flocculation tank r...
Design Challenges of Retrofitting a Conventional WTF to Membranes to Increase Year Round Water Production
This paper will describe how The San Jose Water Company (SJWC) retrofitted Montevina Water Treatment Plant (WTP) with a membrane system. The project will help reduce reliance on imported water supplies, which have been subject to severe cutbacks during the current California drought. HDR was selected to design and construct the project using a pro...
Operating Experience of the West Basin Edward C. Little Water Recycling Facility Phase V Expansion
The West Basin Municipal Water District?s Edward C. Little Water Recycling Facility (ECLWRF) located in El Segundo, CA is a world class facility that produces four qualities of recycled water for municipal, commercial and industrial applications including water supply to injection wells that are part of West Coast Barrier System. The source of recy...
Design of MF/UF Membranes Side by Side with Conventional Filtration at the Catawba River Water Treatment Plant
This presentation is about planning and design of an expansion to an existing conventional WTP with MF/UF membranes and will provide the following learning opportunities to attendees:?How to design a membrane system to operate in parallel with a conventional water treatment plant (WTP).?How to maximize competition among rectangle membrane suppliers...