Question
by Engr. Salah Ud Din, Deputy Director at Pakistan Council of Research in Water Resources
I have a daily rainfall of station A for 1970-2014 and rainfall data on a monthly basis for Station B for 1970-1996. I am now interested in generating daily ...
Academic Atmospheric Water Generation Hydrologist Surface Flow Analysis Hydrology Cycle Water Resources Management Hydrogeologist
Question
by Sharwan Kumar, Project Manager at Larsen and Toubro Defence
In our industry, at specific stages of the project, huge quantity of fresh water (to the tune of One Crore Litres) is used for Pressure Testing. Post ...
Resource Management Reclaimed Water Freshwater Water Recycling Reuse Water Conservation
Question
What is the most cost-efficient water leak detection method? I know about internally based LDS and externally based LDS, as well the use of GIS and drones, but ...
GIS & Remote Sensing Technology Leakage Detection GIS for network Leakage Leakage Reduction Infrastructure Management Utility Pipe Network Pipes and Pipelines
Question
by WEI CHOEW LEE, Employee at Organo (Asia) Sdn Bhd
I have a project that requires to treat the boiler chemical cleaning wastewater which is high in COD. The specification requests the oxidative process to be ...
COD Removal Industrial Wastewater Treatment Cooling Boiler & Wastewater Waste Water Treatments Wastewater Treatment Water Treatment Solutions Industrial Water Treatment Chemical Materials
Question
by Ho` Ha, WWTP supervisor at musimmas group
I need a document to design UASB and MBBR tanks. I would like to know how to calculate COD, BOD content? Any advise or guidance would be greatly ...
Aeration Sludge Treatment Technology Membranes Wastewater Treatment Wastewater Treatment Plant Design Sludge Treatment & Management Biofilm Sensors Tanks
Question
Dear Friends, I want to work out the strength of lime slurry currently used at one of my water treatment works. The lime batching is based on auger time ...
Chemical Treatment Aeration Coagulants Sludge Separation Sludge Management
Question
by Joel Velasco, Manager I at Manila Water Company, Incorporated
Every water utility undergoes tariff reviews (done by governing regulatory body) by validating the expenses incurred by the utility company on project ...
Water Utility Utility Management Monitoring & Evaluation Utilities Project Monitoring & Evaluation Water Utility Project Management
Question
by arvindj syam
We have a 3000 lph RO plant. We recently changed the first membrane due to high TDS, and once again the new membrane, which is in first, got damaged within one ...
Treatment Methods RO Systems Reverse Osmosis Membrane Technology Membrane Filtration Total Dissolved Solids (TDS) Desalination
Question
by Engr. Salah Ud Din, Deputy Director at Pakistan Council of Research in Water Resources
How to design a plunge pool for dissipating a velocity of 28 m/sec and a discharge of 40000 cusec with the Froude number 7.5?
Academic Pool Water Treatment Infrastructure Integrated Infrastructure Manual Water Supply Systems Infrastructure Management System Design Water Treatment Systems
Question
by Muna Hindiyeh, Associated Professor at German Jordanian University. Senior Water Quality Expert
How can asbestos be detected in drinking water?
Academic Drinking Water Security Standards & Quality Biological & Chemical Quality Water Quality Quality Maintenance Drinking Water Water Quality Management Water Quality Monitoring
Question
by Jonathan Pease, WatHab Coordinator at International Committee of the Red Cross - ICRC
My colleagues and I are rehabilitating some water production systems in Nigeria, both ground and surface water, and I am currently looking into rehabilitating ...
Water Treatment & Control Water Monitoring Control Systems Monitoring & Control Water Systems Monitoring Water Control Water Quality Monitoring Remote Monitoring & Control
Question
by Iván Mantilla, Fluid-Control Supervisor at National Oilwell Varco
Which software is the adequate for modelling nature-based solutions as an alternative for floods control measures?
Academic Modeling Hydrological Modelling Flood Modeling Flood management Flood prediction Hydrological Modelling Flood Risk Management Water Software
Question
I designed an activated sludge aeration basin. Qmax=3Qavg. if i don't want to use an equalization tank so the basin volume (V) should be design according Qmax. ...
Sludge Separation Sludge Treatment Sludge Management Sludge Drying Activated Sludge
Question
Our RO membranes weight is high after one week operation. What's the reason ? Also white color scaling? Picture attached. What weight after RO membranes ...
RO Systems Reverse Osmosis Membranes
Question
by Megan Galloway, Water consultant at Royal HaskoningDHV
Hi all, I am have designed a small CW system for treatment of greywater with a septic tank as pretreatment to settle out solids. I need to pump from the septic ...
Pumping System Design Grey Water Septic Tank Pumps
Question
1. How to calculate water loss on a college campus? 2. Kindly attached some published article on this. 3. What are the precautions and measures and ...
Academic Water Footprint Water Losses Water Supply Monitoring & Control Consumption Infrastructure Utility Management Water Loss Control Distribution Water Demand Management and Loss Control
Question
What is the best method to study river morphology (erosion - deposition) for a series of time? What is the best method to extract the exact river ...
Academic River Studies Hydrological Modelling River Engineering River Basin management Hydrological Modelling River Engineering Shoreline Management Water Software Satellite
Question
What water quality parameter(s) could be monitored in a private water well as an indicator that water quality has changed and further laboratory analysis is ...
Academic Standards & Quality Biological & Chemical Quality Water Quality Quality Maintenance Water Wells Water Quality Management Groundwater Quality & Quantity Water Quality Monitoring Water Quality Monitoring
Question
by Michael Haig
Why would the majority of activated sludge treatment works employ conventional clarifiers as opposed to lamella clarifiers? Is it merely the limitation of the ...
Solid Waste Treatment Treatment Methods Industrial Wastewater Treatment Sludge Treatment Waste Water Treatments Wastewater Treatment Water Treatment Solutions Waste Water Treatment Clarifier
Question
We have 2000 m3/day of wastewater coming from instant yeast factory. COD 15000 and BOD 10000. What is the best approach for wastewater treatment?
Food & Beverage Industrial Wastewater Treatment Decentralized Wastewater Waste Water Treatments Wastewater Treatment Water Treatment Solutions Wastewater Treatment Plant Design water treatment