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by Hassan Ali, Water Project Manager at National Holding Company
I would like to know how we can make backwash for a slow sand filter?
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I have a problem with progressive encrustation or scaling of CaCO3 within a distribution system in an underdeveloped area in central Africa. The raw water ...
Technology Treatment Treatment Methods Water Treatment & Control Alkaline Scale & Corrosion Water Treatment Solutions Water Supply Distribution Network Management Water Supply Regulation Carbonates Scale Inhibitors water treatment
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by Peter Petersen, Water chemist II (water quality) at Milwaukee Water Works (Retired 2021)
I understand that lead solubility in water is very low, so how does lead from lead pipes get into the water supply? Does the lead from the lead pipe react with ...
Safety Water Supply Chemistry Water Supply & Drainage Water Supply Design Urban Water Supply Pipeline Pipeline Installation & Maintenance
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In out wastewater treatment plant we have constructed huge Imhoff tanks for treatment of wastewater. Besides very high H2S odour, the effluent wastewater had ...
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We installed an iron removal filter system and need to know if the setup is correct. We have the feed of 10.000 l, but in the outlet we get only 3.000 ...
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by Dr. Davinderpal Singh Bhatia, Project Manager, European Union Project
What are the technological options available for faecal sludge management for a small scale town in hills, with low temperatures climate? I need this ...
Technology Sewage Treatment Sludge Treatment Sludge Management Wastewater Treatment Septic Tank Sludge Treatment & Management Sewage & Allied Waste
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Pig farm wastewater after biogas processing is currently being treated with anaerobic decomposition tunnels (tunnel biogas) in Vietnam. The ...
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by Ghoewylah Darries, Process Engineer at NuWater
How efficient is using sludge rheology (deformation and sludge flow) to calculate the dose of polyelectrolytes for sludge dewatering? ...
Technology Industrial Wastewater Treatment Sludge Treatment Sludge Drying Wastewater Treatment Dewatering Sludge Treatment & Management
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by Zyaad Aboud, Operations Engineer (Dubai Municipality)
We are using biotrickling filters to remove hydrogen sulphide gas (H2S) from waste water. The differential pressure inside the cylinders indicates that the ...
Technology Sludge Treatment Filters Wastewater Treatment Filtration Solutions Filtration Water & Wastewater
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by Ahmad Abo Omar, Process Engineer
Since we are planning to expand our wastewater treatment plant, we need to shut down the blowers and the aeration tank for 12 hours. This will affect the ...
Technology Treatment Anaerobic Digestion Aeration Sewage Treatment Industrial Wastewater Treatment Wastewater Treatment Water & Wastewater
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by SOUFIANE ELMOBARIKI, Employee at Ministry of Agriculture, Water and Forestry
What is the optimal solution for a wastewater plant facing a big difference in flow during the year? Many coastal cities are facing the increase in the number ...
Technology Wastewater Treatment Wastewater Collection Integrated Urban Water Management Infrastructure Wastewater Treatment Plant Design Urban Water Infrastructure Infrastructure Management Water & Wastewater Water & Wastewater Treatment Water Water & Wastewater
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by Zyaad Aboud, Operations Engineer (Dubai Municipality)
We are facing the problem of reducing the scum which is developed in our secondary settling tanks in aeration process. How can the formation of this foamy ...
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by Antone Austin, Water Consultant at AWIA
We have operating lift stations which are designed to move wastewater from lower to higher elevation. I would like to inquire about a computer ...
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by Maya Jones, employee at Thames Water
How can we improve the wastewater effluent quality from any manufacturing industry? I'm looking for new ideas to reduce operating costs and mitigate the ...
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by Maya Jones, employee at Thames Water
What are the optimal settings for sludge drying in terms of requiring the smallest amount of reagent and ensuring maximum energy efficiency without damaging ...
Technology Sludge Treatment Sludge Management Sludge Drying Water & Wastewater Sludge Treatment & Management
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by PHETLA MANGENA, Water quality at WEB Bonaire
What is the effect of a Stormwater Management System within Wastewater Treatment Works (WWTWs)? How does it affect Wastewater Treatment Works during extremely ...
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by S. J. Bryant, Chief Plant Operator
Does anyone here have first-hand experience with using hydrogen peroxide to clean their filter beds? I understand there are some surface water plants which use ...
Treatment Ultrafiltration Filters Filtration Solutions Filtration Filtration Plant Biotech Stabilized Hydrogen Peroxide Waste Management Filters & Air Cleaners Desalination
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by Ruaan Reyneke, Export Development Manager at Lonza
What can I do about the scaling caused by using Calcium Hypochlorite -Ca(OCl)2 - for water treatment applications. Kind regards, Ruaan
Maintenance Water Treatment Treatment Plants Scale & Corrosion Inspection technology Chemistry Corrosion Prevention Scale Inhibitors water treatment Water & Wastewater Treatment Water & Wastewater
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by hagar hassan
I am looking for a waste water treatment plant design free software. Are there any good softwares to download for free which also provides a crack tool for ...
Technology Water Treatment Design Waste Water Treatments Wastewater Treatment Infrastructure Design Software Waste Water Reclaimation Wastewater Treatment Plant Design Water & Wastewater Treatment Water & Wastewater Water Software Software Solutions Water Treatment Plant Design Software Desalination
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by Mohamad-Javad Mehrani, Project Specialist at Gdańsk University of Technology
I am trying to remove high levels of nitrate from water by adsorption using pumice and perlite aggregates. The mean diameter of aggregates is ~5 mm. I tried ...
Technology Wastewater Treatment Industrial Water Treatment Contaminant Removal Environment Environment water treatment Water & Wastewater Treatment