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by MAMTA TOMAR, ELM WATANIYA General Trading Contracting Co. - Managing Partner
Dear Fellow Professionals, My new book is under preparation under title "Biotechnology of Wastewater Treatment". The emphasis has been given on the role of ...
Academic Wastewater Treatment Water microbiology Wastewater Treatment Chemicals and Consulting Activated Sludge
Question
Hi Water Networks Fellows, I am a GIS Engineer. I would like to gently ask about flow directions by ArcGIS or QGIS. I've a size of dem 0.1m by 0.1m. I ...
GIS & Remote Sensing Technology GIS for network GIS Spatial Analysis GIS & Remote Sensing GIS Manager
Question
by Andre Visser, Process Engineer at Water Engineering Consult
I would like to know if sodium meta bisulfite discharged in industrial effluent will have a negative impact on the biological activity of an anaerobic reactor ...
Anaerobic Digestion Bioreactor Effluent Membrane Bioreactor Systems Activated Sludge Anthropogenic Effect
Question
by Peter Petersen, Water chemist II (water quality) at Milwaukee Water Works (Retired 2021)
I am doing some research on various online wet chemistry analyzers to determine the nitrate concentration in the drinking water. I came across a product line ...
Treatment Technical Equipment Chemical Analysis Nitrogen
Question
by Brian Luenow, Founder/President at HydrateLife
Hi, I was wondering if anyone knows where I can download handwashing education posters to put up at the elementary school in the community I'm working in. ...
Academic Water & Sanitation Sanitation and Hygiene Hand washing
Question
by Ahmadi Arsalan, Water Purification- Reverse Osmosis at Natural Seawater Desalination Ltd
Hello, What factors should be considered for selecting these three types of reverse osmosis membranes? Which of these three types of membranes is more ...
RO Systems Reverse Osmosis Membranes Membrane Technology Reverse Osmosis RO & MSF Fouling Desalination
Question
by Temple Oraeki, Nigeria, Country Rep. & WASH Coordinator at Hope Spring Water
How can the brown (or reddish-brown) colouration of water from a newly constructed borehole be handled effectively?
Groundwater Assessment Groundwater Pollution Groundwater Resource
Question
by Ahmadi Arsalan, Water Purification- Reverse Osmosis at Natural Seawater Desalination Ltd
What factors should be considered when replacing reverse osmosis membranes with different brands?
Purification Filtration Reverse Osmosis Technology Filtration Solutions Filtration Membrane Technology Reverse Osmosis Membrane Filtration Water Purification Desalination
Question
by Paul Curtis, Owner at AquaSolver
What technology would be best for continuous or serial evaluation of marine nitrate levels? Most modern technologies appear developed for freshwater only.
Biological & Chemical Quality Quality Testing Instruments Marine Water Quality Management Water Quality Monitoring Nitrogen
Question
In our work to offer solutions to some rural and urban settlements using pits and suck-aways to collect and evacuate the sewage/wastewater and associated ...
Solid Waste Management Solid Waste Treatment Sewage Treatment Raw Sewage Recycling Decentralized Wastewater Sludge Treatment Sludge Management Open Pit Dewatering Sewage Infrastructure Sewer Networks Water Sanitation & Hygiene (WASH)
Question
Happy New Year Colleagues! I am kindly asking, what could be the best and cost-effective method of treating sulphur spillages of approximately 300 tonnes?
Public Health Solid Waste Management Treatment Treatment Methods Decontamination Decontamination Contaminant Removal Contaminant Movement Mapping Disaster Relief Hydrochemistry Sulfates Chemical Materials Safety & Hazard water treatment Public Health Spill Containment
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by Engr. Salah Ud Din, Deputy Director at Pakistan Council of Research in Water Resources
i am interested to know what percentage (just roughly) of medium large dams in the world are without enough water supply to be sustainable and what is the ...
Academic Water Public Health Policy Technology Research Environment Water Supply Infrastructure Dams Hydrology Governance & Planning Agriculture & Forestry
Question
by Pramod Chaudhari, V P Project at Jain Irrigation Systems Ltd
Is there any study on relationships between velocity (v= 0.6 to 2m/s) and the performance/costing of the piping system including pumps? For example: if the ...
Treatment Technology Pipes Design Pumps Utility Pipe Network Pump Pipes and Pipelines
Question
by Daniel Cañadas García, PMP, Project Manager
What are the main pros and cons for both intake systems to lean forward any of them when designing abstraction of raw water? From the environmental point of ...
Treatment Solid Waste Treatment Sewage Treatment Process Pretreatment
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by Daniel Cañadas García, PMP, Project Manager
What is the ideal dosing for a seawater DAF system with a conventional pretreatment with DMF? The coagulant used is ferric chloride. Even though chlorination ...
Treatment Effluent Dissolved Air Flotation Chlorination Technology Wastewater Treatment Water Treatment Solutions Sea Water Filtration Algae Treatment water treatment Total Suspended Solids Biological Oxygen Demand (BOD) Desalination
Question
How can I calculate the specific energy consumption of my small scale RO system for brackish water desalination?
RO Systems Reverse Osmosis Technology Brackish Water Energy Reverse Osmosis Energy Efficiency Sustainable Desalination Energy Consumption Desalination
Question
by Elhamy Naguib, Chairman and CEO of Alamal trading & Engineering Company
I need to know the max design ratio of height to diameter of surge vessels as per ASME codes and DIN standards. Any help is appreciated.
Pumping System Design Hydraulic Valves Hydraulics Water Supply Water Supply Water Hammer protection Pumps Pumps Installation Tanks Water Supply Protection Pipes and Pipelines
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Myself and few others working in agri-mechanization in South/SE Asia have remarked to our irrigation colleagues and others that starting 15 or more years ago ...
Academic Basin Irrigation Irrigation and Drainage Agriculture & Forestry Irrigation Systems Precision irrigation Irrigation & Water Management
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by Julius Musiimenta, managing Director at hydraulic & Sanitation consult ltd
I have been monitoring the performance of pumped water supplies in Uganda and have noticed that bulk meter readings at the pump station are reading less than ...
Technology Meter Optimisation Smart Meters Water Supply Metering Meter Data Collection Water Supply Bulk Water Transport Monitoring & Control Water Meter Coupling Gaskets Meters Pumps Reservoir Metering Technologies Monitoring Devices Pump
Question
by Nick Singh, Technology | Innovation | Engineering | Product Development
What is the most reliable material in a high chloride content, from 15% to 25% environment and at temperatures from 60 C to 90 C? Sandvik 2507 ...
Chlorine Dioxide Chlorination Technology Scale & Corrosion Chemistry Corrosion Prevention Petrochemicals Chlorine Dioxide Treatment Construction Oil Production Platforms Coatings