backwash turbidity Articles
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The role of backwash in start-up of full-scale drinking water biofilters
The purpose of backwashing during the start-up period of rapid biofilters at drinking water treatment plants differs significantly from the purpose of backwashing during normal operation. During start-up, finished water quality is secondary, detachment of microorganisms must be minimized, dust present in the original filter media must be removed and inherent inoculation of the biofilter with ...
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Microfiltration Pilot System, California
INTRODUCTION In May 2013, Pure Aqua, Inc. successfully manufactured and supplied an microfiltration pilot system to a membrane manufacturer for Title 22 certification. Title 22 is the State of California’s stringent standard for treatment/disinfection of wastewater for non-potable reuse and discharge. The certification is considered the global standard for water reuse. MF/UF is the best ...
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Impact of operational parameters on biofiltration performance: organic carbon removal and effluent turbidity
The objectives of this pilot-scale study were to optimize backwash frequency and empty bed contact time (EBCT) of biofilters treating ozonated surface water from Lake Ontario. Performance was benchmarked in terms of the reduction of turbidity, dissolved organic carbon (DOC), disinfection by-product (DBP) precursors, and ultrafiltration foulants (biopolymers). Increasing the EBCT from 4 to 8 ...
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Confirmation of the correlation between membrane fouling in microfiltration and biopolymer concentrations in various Japanese surface waters
A variety of surface waters used for drinking water sources were collected from different parts of Japan to investigate a correlation between the concentration of hydrophilic biopolymer (e.g. proteins and polysaccharides) in the feed water and membrane fouling in microfiltration. Hollow-fiber membranes made from polyvinylidene fluoride with a nominal pore size of 0.1 μm were used in the ...
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Beverage Manufacturer to Cut Disposal Cost
THE PROBLEM A Pennsylvania general contractor with much experience within the beverage industry, saw that water utilization at a major food and beverage manufacturer’s facilities would benefit from an integrated approach to minimizing water consumption, while simultaneously optimizing boiler and cooling water treatment issues. By adopting such an approach, the contractor planned to offer their ...
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Organic Matter in Drinking Water: A Guide for Simple Online Monitoring
Control of dissolved organics has been one of the highest priority concerns for most water treatment plants for over 20 years. Organics monitoring is an even more critical issue today in the face of more stringent regulations and concerns around trace organics, emerging contaminants, and even counter-terrorism or water security. Despite the critical need, many plants still rely primarily on ...
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How has GWT RO Waste Water Recycling Helped Industrial Organizations Reduce Costs & Reuse Their Wastewater?
Reverse osmosis desalination isn’t just useful for drinking water or process water TDS removal. RO waste water recycling can make use of the reverse osmosis process in a tertiary stage treatment to greatly reduce total dissolved solids and increase the quality of the treated water. Post treated water can typically be reused in many industrial process water applications. Many companies seek ...
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How GWT AOP Advanced Oxidation Systems Helped Companies to Achieve Better Water Treatment Results
AOP Advanced Oxidation Systems, How GWT Has Helped Companies To Treat Emerging Pollutants If you’ve read our article on the benefits of a Genesis Water Technologies, Inc. AOP advanced oxidation system, you are probably curious to know about some examples of how our systems have helped some of our clients. We will look at a couple of case studies from the oil and gas ...
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