Q&A
What are organic poly electrollytes and how these are different from regular cationic or anionic polyelectrolytes. What is the application these have and where ...
Technology Flocculation Coagulants Sludge Separation Polymeric Film Evaporation Technology Synthetic Flocculant & Coagulant Organic Chemicals Polymers & Plastics
Q&A
Hi Everyone what is the minimum tank depth for MBBR Reactor, all I can see is 3.5 meter minimum, if possible I want to design a 2 meter or less for a small ...
Technology Bioreactor Membrane Bioreactor Systems Biological Treatment Sequencing Batch Reactor (SBR) Moving Bed Biofilm Reactor (MBBR)
Q&A
by Sandeep Pandharkar, Consultant for Engineering, Procurement & Construction for Water & Wind projects
Hi everyone, How please to design an end carriage mechanism of a peripheral driven clarifier? What should it's torque and gear box sizing be/to what factors ...
Technology Sludge Management Slurry Pumping Mechanical Services Gear box Clarifier Mechanical Engineering
Q&A
by Peter Petersen, Water chemist II (water quality) at Milwaukee Water Works (Retired 2021)
Hi Does anyone have any information what process does EviroLyzer series II uses for it's nitrate determination. I have contacted Applitek in Belgium with ...
Technology Biological & Chemical Quality Chemical Analysis Water Quality Management Water Quality Training Analytical Services & Testing Labs Nitrogen
Q&A
by NAVAS KT, Quality Manager at PepsiCo
What are the advantages and disadvantages of dosing sodium metabisulphite (Na2S2O5) at RO Feed water? Your experience much appreciated!
Technology RO Systems Reverse Osmosis Reverse Osmosis RO & MSF Fouling Sulfates
Q&A
by Waqas Halim, Community Physical Infrastructure Coordinator at Qatar Charity Pakistan
Why do the Arsenic permissible limits differ country to country? (for example arsenic WHO permissible limit is 10ppb whereas for Pakistan it is considered to ...
Non Profit Arsenic Standards & Quality Quality Governance
Q&A
by Giacomo Butte, Built Environment Consultant
Anyone know of any firm/research center/NGO that connects applied research to pilot projects in the field? For applied research I mean activities related ...
Academic Research Rural Area Water Supply Sustainable Development Remediation
Q&A
Dear all , Could anyone kindly recommend a solution for filamentous bacteria presence on the surface of the water in SBR waste water treatment plant ? ...
Technology Industrial Wastewater Treatment Waste Water Treatments Wastewater Treatment Sequencing Batch Reactor (SBR)
Q&A
Hi fellow members, I'm looking for a technical document for manholes seismic vulnerability assessment (or damage estimation). Any information much ...
Business Wastewater Collection Storm Water Management Sewer Networks Resilient City
Q&A
Dear fiends and colleagues, Can anyone give some technical information about this recent incident? How it happened? how to avoid such disasters in the ...
Technology Mining Development Infrastructure Dams Damage Insurance
Q&A
by Mluleki Njini-Moyo, Student at National University of Science and Technology (ZW)
Your help much appreciated to identify the best methods that can be used in studying water demand and efficient technologies feasibility in developing ...
Social Community Supply Service Provision & Demand Management Development & Management Manual Water Supply Systems Water Demand Management and Loss Control
Q&A
by Temple Oraeki, Nigeria, Country Rep. & WASH Coordinator at Hope Spring Water
In developing countries, it is common practice for most people to see water as a free gift which they should not pay for. Instead of paying for water supplied ...
Business Water Charging & Pricing Resource Management Water Access Water Resource Management Water Supply Water Supply Commission Urban Resource Management Water Supply & Drainage Water Management Water Resource Management Utility Management Distribution Network Management Pricing Financing Willingness to pay Paying Ability Market Access Economics Of Water Resources Projects Cost recovery Water Supply Protection
Q&A
by Md. Naziruzzaman Shyamal, WASH Expert
Dhaka the capital city of Bangladesh has about more than 100 informal settlements having about 1,000,000 people ( estimated) taking water from Dhaka WASA ...
Social Sustainable Development Human Rights Water & Sanitation Water Supply Sanitation & Hygiene Water Management Urban Water Supply Governance & Planning Water Governance Water Supply Regulation Water Sanitation & Hygiene (WASH) Sustainable Development Sustainable Development Goals urban water security Water Supply Protection Millennium Development Goals (MDG) Sustainable Development Goals (SDG)
Q&A
by Brigita Jamnik, Ljubljana, Slovenia
In some water distribution systems we use Cl02 for disinfection. Drinking water users often complain about the odor of the water. Enclosed you can find an ...
Technology Public Health Chlorine Dioxide Chlorination Chlorine Dioxide Treatment Disinfection
Q&A
by tala khrais
Hi kind members. Can anyone please guide me to grants for a one year Master Program on Sustainable Management of Water Resources? Much appreciated
Academic Sustainability Grants & Aid Grants Integrated Water Resources Management (IWRM)
Q&A
by Yashpal Moray, Owner, Eastern Star
We had commissioned a lift irrigation system in 1998 in two stages which is still in working condition till this date. Now due to some problem of ownership ...
Technology Pump Supplier Pumping System Design Water Wells Pumps Irrigation and Drainage
Q&A
I received two admission letter from MSc degrees for different programmes, and planning to apply for scholarships to finance my studies soon after. I was ...
Academic Irrigation Hydroinformatics Education to Employment PhD Programs Continuing Education Water Education Other MSc Hydroinformatics MSc Irrigation Systems Engineering and Design
Q&A
by Fernando Sanchez-Castro, MTS Dagua Biocast Latinoamerica
Who has experience with problems encountered in delivering potable water to very poor communities, where no water network exists. Plastic bags, plastic ...
Social Public Health Rural Water Supply & Sanitation Water Supply Community Supply Water Supply & Drainage Rural Area Water Supply Urban Water Supply
Q&A
We have cosmetics industry wastewater of COD &TSS more than 50000 mg/L and pH and Oil & Grease 2-3 and 5000 mg/L respectively. How can we do pre-treatment of ...
Technology COD Removal Industrial Wastewater Treatment Industrial Water Treatment Wastewater Treatment Industrial Water Treatment Cosmetics
Q&A
Hello, dear fellows! I'm working in the design of an rectangular-shaped SBR for the treatment of psychiatric hospital wastewaters. What type of diffuser ...
Technology Wastewater Treatment Hospital Waste Management Sequencing Batch Reactor (SBR)