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Poor Settling in Wastewater Digesters

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Our facility is a 2 MGD Sequential Batch Reactor Activated Sludge Wastewater Treatment Facility. We waste our solids to a sludge anoxic holding tank from the ...

Anaerobic Digestion Sludge Treatment Waste Water Treatments Wastewater Treatment Sludge Treatment & Management

Decentralized Wastewater Treatment Plant in Industrial Parks

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Does anyone have any information about decentralized wastewater treatment plants in industrial parks for wastewater recycling/reuse? Has it been ...

Academic Reclaimed Wastewater Industrial Wastewater Treatment Decentralized Wastewater Water Reuse & Recycling Water Treatment & Control Waste Water Treatments Water Reclamation Wastewater Treatment

UV Dose Calculation

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I need a simple way to calculate the UV-dose (mW/cm2) without the use of a failing UV-intensity meter so I can compare to a proposed effluent standard in our ...

Academic Standards & Quality Effluent UV Disinfection Waste Water Treatments Standards Wastewater Treatment Water Treatment Solutions Ultraviolet Technology

Water Hammer Calculation

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What is the simplest way of calculating the maximum water hammer for an HDPE pipe?

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How Will the Growing U.S. Marijuana Market Impact the Water Industry?

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The legal marijuana market is expanding as recreational and medicinal restrictions are increasingly lifted in the U.S. As a result of this: How can ...

Sustainable Agriculture Resource Management Water Resource Management Water Resources Sustainable Water Resource Management Natural Resource Management Agriculture & Forestry Irrigation Management Resource Management

RO Design Flux

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When the average flux for well water RO design is in the range of 27-34 lmh, does this mean that each stage flux will be in this range or the overall flux (for ...

Academic Purification Reverse Osmosis Flowmetering Hydrological Modelling

Bromine as a Water Disinfectant

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There are several domestic water filters which use bromine for disinfection. However, I've learned that bromine is not so common in drinking water ...

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Strong Sulfide Odour in Water

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I have a problem with very strong odour of sulfide before the RO and in the permeate water. The odour stays the same strength. I know hydrogen sulfide passes ...

Potable Drinking Water Security Treatment Methods Drinking Water Treatment Water Treatment & Control Reverse Osmosis

Toxic Algae Bloom Prevention

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In the event that emergency pumping performed to mitigate flood conditions has resulted in a non-toxic cyanobacterial algal bloom within the water source to ...

Academic Environmental Health Algaecides Algae Aquatic Environment Algae Treatment

Tube Settler Media Calculation

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How can I calculate the quantity of tube settler media in the clarifier tank?  Which factors contribute most to the calculation?

Flocculation Treatment Methods Coagulants Water Treatment & Control Waste Water Treatments Wastewater Treatment Water Treatment Solutions Total Dissolved Solids (TDS)

Lamella Clarifier Design

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I want to design a lamella clarifier with the following specifics: the flow is 208 m3/hr the inlet suspended solids is 250 ppm.  How can I best design the ...

Sewage Treatment Industrial Wastewater Treatment Water Treatment & Control Industrial Water Treatment Waste Water Treatments Wastewater Treatment Water Treatment Solutions Industrial Water Treatment Total Dissolved Solids (TDS)

Off-grid Water Collection, Treatment and Use

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I am looking for an entirely self-contained solution to off-grid living.  The source of water will be from rainwater capture only and must serve all domestic ...

Rainwater Harvesting Composting Toilet Treatment Methods Water Reuse & Recycling Water Treatment & Control Water Reclamation Water Treatment Solutions Grey Water Waterless Sanitation Agriculture & Forestry