Question
What are the advantages and disadvantages of tying up powdery or crystalline resins and/or activated carbon in permeable bags before using to charging water ...
Treatment Methods Chemical Treatment Filtration Filters Filtration Solutions Filtration Resins & Synthetic Rubber Activated Carbon
Question
by Brian Luenow, Founder/President at HydrateLife
I'm going to be working on a WASH project in Colombia with a rural community of 750 people. They have water scarcity issues part of the year, and we're working ...
Academic Water Scarcity Rural Water Supply & Sanitation Water & Sanitation Sanitation & Hygiene Community Supply Sanitation & Hygiene Rural Area Water Supply
Question
What the relationship between the radius and the deflection angle and concentrated loss head, especially for bended large pipes when the fluid is water.
Pipes Design Integrated Infrastructure Urban Water Infrastructure Infrastructure Management Backflow Pipeline Installation & Maintenance Pipelines Pipes and Pipelines
Question
by Daniel Carthew, Energy Technician / ISO 50001 Internal Auditor (Lead) at South West Water
How to reduce energy consumption & increase the awareness of unnecessary energy usage across drinking and waste water sites? I work for a high energy user, ...
Waste Water Treatments Wastewater Treatment Energy Reduction Energy Efficiency Process Engineering Drinking Water Energy Efficiency Process Automation
Question
by Thibaud CHAZAL, Flying Watsan - Médecins Sans Frontières (MSF)
I am looking for information regarding frequency controllers (or Variable Frequency Drives) used for pumps: how do they work (different kinds of ...
Centrifugal Pumps & Pumping Systems Pumping System Design Pumps Pumps Installation Agriculture & Forestry Pumps Pump
Question
by Prof. Dr. Lütfi Akca, Member of Policy Council on Local Affairs
We need design criteria for an artificial wetland treatment system for improving the water quality of a river in Turkey. Is there anyone who have experience or ...
Academic Water Quality River Studies Hydrodynamics & Water Quality Wetlands River Engineering Constructed Wetlands Wetlands
Question
by Sam Withanage, Project Officer-Commissioning and Process Optimisation at South East Water
Does anyone have experience with temperature phased Anaerobic Digestion (TPAD)? TPAD has many claimed benefits but I am wondering why there are only a few TPAD ...
Anaerobic Digestion Treatment Methods Sludge Treatment Sludge Management Waste Water Treatments Treatment Plants Wastewater Treatment
Question
Traditionally, sewer pipe cleaning methods are categorized to: water jetting water flushing. In a research project, we are going to propose new methods for ...
Academic Sewage Integrated Infrastructure Wastewater Treatment Plant Design Infrastructure Management Utility Pipe Network Sewer Networks Pipeline Installation & Maintenance Pipelines Sewage & Allied Waste Pipes and Pipelines
Question
I am planning to install a well pump in a water well in a rural area which has no other water source. Should I perform shock chlorination in order to avoid ...
Academic E. coli Chlorination Rural Water Supply & Sanitation Water Supply Design Rural Area Water Supply Water Wells Pumps E. coli
Question
by Tirellil Wissem, Project manager
I need to know how I can choose the different type of sand in a sand filter, especially for seawater desalination.
Academic Sand Filter Water Treatment & Control Filters Water Treatment Solutions Sea Water Filtration Filtration Sea Water Desalinisation Sustainable Desalination Desalination Desalination
Question
by Mohammad Almjadleh, Water, Sanitation and Hygiene Specialist at UNICEF
I have used natural zeolite of the phillipsite family of Na homoiconic form as a model to treat water from dissolved heavy metals like iron and cadmium. The ...
Academic Treatment Methods Chemical Treatment Heavy Metal Removal Water Treatment & Control Water Treatment Solutions Water Purification
Question
by Gajanan Kothawade, Graduate Research Assistant, Washington State University, Pullman
I have satellite image (Landsat 8), containing all the bands data. Using green & NIR band I have calculated the NDWI. Now I want to classify the Water Index, ...
GIS & Remote Sensing Technology GIS Remote Sensing & Data Analysis GIS for network GIS & Remote Sensing Satellite r programming
Question
Does anyone know a practical XLS-sheet to design a reasonable domestic wastewater treatment plant, as an MBR system, for irrigation-reuse of treated water? ...
Irrigation Bioreactor Effluent Membrane Bioreactor Systems Water Reuse & Recycling Waste Water Treatments Wastewater Treatment Wastewater Treatment Plant Design Agriculture & Forestry Total Suspended Solids Total Dissolved Solids (TDS)
Question
by Trudi Schifter, CEO and Founder AquaSPE
As CEO of The Water Network, many people have asked me to help raise awareness of the need for improved flood management. Since we are the largest knowledge ...
Hydrological Modelling Flood Management Flood Modeling Hydrology Flood management Flood damage Flood prediction Surface Flow Analysis Hydrological Modelling Flood Risk Management Flood Flood Insurance
Question
by R McK
Does anyone have experience with the effectiveness of arsenic removal by reverse osmosis in low iron waters? How can arsenic best be removed from water by RO?
Public Health Arsenic Environmental Health Treatment Methods Purification Reverse Osmosis Membranes Arsenic Mitigation
Question
by Dr Bonny B. N. Umeadi, CEO at NanoMind IDC
Is there an underground technique that can stop underground water pollution by crude oil such as those in:The oil-rich Niger Delta suffers from extensive ...
Oil & Gas Water Pollution Oil Water Separation Pollution Water Pollution Control Groundwater Pollution Oil Field Chemicals Heavy Oil
Question
by aqilah abdul
I'm trying to digest a sand sample in order to test the adsorption of hexavalent chromium. I was previously using microwave digestion, using acid digestion ...
Academic Soil Solid Waste Management Solid Waste Treatment Sludge Treatment Sludge Management Solid Wastes & Wastewater Recycling Soil & Water Assessment Tools Agriculture & Forestry Soil Management Soil Conservation Sediment Management
Question
by Peter Christou, President Swirltex
We are looking for technologies similar to DAF systems that manipulate the buoyancy of the biosolids so they float. I have heard about some ultrasonic ...
Bioreactor Treatment Methods Biological Treatment Dissolved Air Flotation Wastewater Treatment Fluidised Aerobic Bio-Reactor Bio-Media Total Suspended Solids Total Dissolved Solids (TDS)
Question
by Mohamed Raafat, Hydraulic Engineer at Water hammer engineering services
What is better and why: to determine the gas volume in a surge vessel by the water level inside the vessel or mass control of water weight?
Academic Pipes Design Water Supply Water Hammer protection Integrated Infrastructure Infrastructure Management Utility Pipe Network Pipeline Installation & Maintenance Pipes and Pipelines
Question
I am looking for an Ion Exchange Resin for anionic monovalent ions. I would like to replace chlorides with bicarbonates for drinking water purpose. Which ...
Academic Treatment Methods Chemical Treatment Drinking Water Treatment Chlorination Ion Exchange Resin Carbonates Treatment Chemicals Desalination