rain water harvesting pond
Q&A
by yim mul
Hi everyone Looking some information about rain water harvesting methods for dry season irrigation system ? pond size/dimensions/ for 5000m2 ...
Technology
Questions & Answers
Microplastic research
Q&A
Dear all, I would like to know if anyone is doing research on plastic/microplastic.
Academic Polymers & Plastics Micropollutants Plastic Pollution
Storage tank emptying time
Q&A
by Engr. Salah Ud Din, Deputy Director at Pakistan Council of Research in Water Resources
how can be determine the emptying time of Water storage tank sizing 18m x 18m x 2.4m with inflow rate of 4lps when inflow and outflow ends at the same ...
Academic Water Public Health Water Supply Storage Tank Hydrology Tanks
Rates of water reuse/recycling of urban water utilities
Q&A
by Stuart Peevor, Director - Market Regulation, Governance and Conveyance
Does anyone know of any examples of urban water utilities that reuse/recycle near 100 percent of their wastewater/sewerage? A contact to would be great. ...
Government Reclaimed Wastewater Water Reuse & Recycling Solid Wastes & Wastewater Recycling water, wastewater, reclaimed water, water resources planning
Fungi in biosolids
Q&A
by antje dun
Does anyone test for fungi in biosolids?
Case Studies Sludge Treatment Waste Water Treatments Sludge Treatment & Management Activated Sludge waste activated sludge biosolids
AMR domestic water meters
Q&A
by Md. Naziruzzaman Shyamal, WASH Expert
I would like to pilot three DMAs with AMR domestic water meters for online meter reading and calculating the NRW. What would be best communication modules to ...
Technology Smart Meters Metering Meters Internet of Things (IoT) Narrowband IoT (NB-IoT) Smart Metering (AMI)
Water Well
Q&A
We have boreholes that is required to supply water to a community. There are two wells almost 150 m apart. One well is performing really well while the other ...
Business Borehole Drilling Water Wells Well Drilling Water Well Casing Bore Well Recharge
industrial waste water treatment
Q&A
by Raju Viswanathan, General Manager - Water Treatment at Dutco Tennant LLC
We have a situation where the feed water is having 300 ppm of BOD, 4700 ppm of COD, TSS is less than 150 ppm and TDS 3000 ppm. This water to be treated up to ...
Technology Engineering Company Ultrafiltration Industrial Wastewater Treatment Industrial Water Treatment Filtration Filtration Solutions Industrial Water Treatment Moving Bed Biofilm Reactor (MBBR) Environmental Engineers & Consultants MBBR for Water Treatment
Simultaneous DBO removal and nitrification in WWTP
Q&A
by Felipe Gonzalez Gonzalez, Consultant on Sanitary Engineering
Hello community! I want to know the general requirements for nitrification and DBO removal in an aerobic reactor in a wastewater treatment plant. How common ...
Case Studies Industrial Wastewater Treatment Industrial Water Treatment Wastewater Treatment Wastewater Treatment Plant Design Water & Wastewater Treatment Water Treatment Plant Design Nitrogen Associate Professor in Water Chemistry and wastewater treatment MBBR for Water Treatment
Asking about graduate themes
Q&A
hello I'm a student in water desalination and I'm going to prepare my graduate project (thesis) and I am wondering what theme I could discuss, I’d be grateful ...
Academic Membrane Bioreactor Systems Membranes Desalination Sea Water Filtration Membrane Filtration Filtration Sea Water Desalinisation Desalination Pre-treatment Water Filtration Water filtration, purifiers, nano filtration Membrane distillation Membrane
Chemical additive for water vapor evaporation arrester
Q&A
by Yatin JOSHI, Innovation (R&D) Project Manager at Holcim Innovation Center
Which is the best chemical (or mineral) additive for reducing the water evaporation in adverse climatic condition? Thank you!
Technology Chemical Company Chemical Treatment Evaporation Chemical Engineering Flooring Solutions Wood Protection Crack Repair Tiling Cement Additives Antifreeze Agents Utility Chemicals
Conveying manure at 13% solids
Q&A
by Thomas Getz, President at Earth Cycle BioTechnologyLLC
Our project requires dewatering swine manure from 2% solids to achieve 13% solids. We recognize that this is not flowable like a slurry nor stackable like a ...
Technology Slurry Pumping Animal Husbandry Hog & Pig Farming Agriculture Machinery Sludge Treatment & Management Biopipe No Sludge Process
The kinematic viscosity of 75% ethylene glycol (and 25% water)@40 °C for pump seal oil
Q&A
by Lin JYH-YAN, advanced engineer at FORMOSA PETROCHEMICAL CORPORATION
Dear all, May someone offer the kinematic viscosity of 75% ethylene glycol (and 25% water) @40 °C for pump seal oil, and attach the literature or data book, ...
Technology Pumping System Design Chemical Research Chemical Engineering Pump
Biosand filter
Q&A
Hi, please I need someone to shed more light on Biosand water filter, I want to work the efficiency of the biofilms found in the filter, thank you.
Technology Sand Filter Biological Treatment Biofilm Sensors Biofiltration
High TDS after cleaning RO membrane
Q&A
Hi, I have BW-30 400 RO membrane which I am using for 2 years now, couple of months back I had to clean it because Permeate flow drops significantly, I used ...
Technology RO Systems Total Suspended Solids Total Dissolved Solids (TDS)
Residual oxygen control for lab scale equipment
Q&A
Hi All, Is there a commercially available aeration controller with residual oxygen measurement for lab scale aeration equipment available in Europe? Much ...
Academic Aeration Testing Instruments Test & Measurement Laboratory Equipment Laboratory Equipment Laboratory Laboratory Testing Laboratory Equipment Analytical Services & Testing Labs Membrane Aerated Biofilm Reactor (MABR) Water, Waste Water Chemical & Treatment
Urgent Request for Insights on Benefit-Cost Ratios and New Models for Project Delivery
Q&A
"BCR" - Benefit-Cost or Cost-Benefit Analysis, Return on Investment, Performance-Based Outcomes...please share your insights on how new models for BCR, CBA, ...
Government Risk Mitigation Strategy Project Sustainability Project Financing cost designer Cost recovery Project Consulting Pre-Disaster Risk Mitigation Process development
Landfill leachate treatment.
Q&A
by Eduardo A. Sánchez, Chem. Engin., MBA
Hi all!Could you please to share any experience about success cases of landfill leachate treatment.The general experience and treatment process will be very ...
Case Studies Landfill Leachate Water, Waste Water Chemical & Treatment
Water loss in an UASB reactor ?
Q&A
Hola a todos ! I have this doubt about how to calculate the water loss ( perte de charge in French or pérdida de carga in Spanish) in a UASB reactor (Upflow ...
Case Studies Water Anaerobic Digestion Sludge Separation Environment Civil Engineering Water & Wastewater Environmental Engineering Biogas Biogas Plants Water & Wastewater Wastewater engineering Wastewater Pumps
Environmental flow calculation
Q&A
To calculate the environmental flow of a river, I have monthly rainfall data and calculated monthly flow through this equation: Q (mm/month) = Q(m^3/s) ...
Technology River Engineering Flood Modeling Surface Flow Analysis River Engineering Design Verification