Q&A
Is there any way to increase the pH of water to 9 while maintaining TDS at 30 in mineral water? How can this be done after reverse osmosis? Which technology or ...
Academic Potable Drinking Water Security Drinking Water Treatment Drinking Water Managment Drinking Water Bottled Water Total Dissolved Solids (TDS)
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I am part of a team trying to investigate the quality of ground water in one of the states in Nigeria via physicochemical and bacteriological parameters' ...
Technology Groundwater Data Management Test & Measurement Water Monitoring Geospatial Information Systems Analysis & Visualization Hydrological Modelling Geomatic Geotechnology & Geoinformatics Groundwater Assessment Groundwater Quality & Quantity
Q&A
by Sergio Cabrera Arnal, Director, INTEVAL
I am a member of a team working on the NoBi (Bidirectional Nodes) program sponsored by Conacyt (National Council of Science and Technology) Mexico and by the ...
Technology Treatment Methods Industrial Wastewater Treatment Waste Water Treatments Wastewater Treatment
Q&A
by Robin Deal, Industrial Wastewater Specialist, Hubbard-Hall
I have heard that dextrose can be used to reduce hex-chrome to tri-chrome in alkaline waters. Has anyone tried this? How does this work exactly and how ...
Technology Biological Treatment Water Treatment & Control Purification Alkaline Biological & Chemical Quality Biological Treatment Water Treatment Solutions Water Purification
Q&A
by Chris Riley, Water/Waste water treatment operator/Plumber at Broadspectrum
The previous method of commercial kitchen grease waste disposal has now been banned by the Australian government. We are trying to come up with a method to ...
Technology Treatment Methods Household Water Treatment Water Treatment & Control Oil Water Separation Dewatering Water Treatment Solutions Vegetable Oils
Q&A
We are implementing an RO system to reduce the TDS of a borehole supply for an industrial client. The client, however, has a requirement for the hardness to ...
Technology Treatment Methods Chemical Treatment RO Systems Water Treatment & Control Industrial Water Treatment Reverse Osmosis Water Treatment Solutions Industrial Water Treatment
Q&A
by mohsin bargir, Site engineer (O&M)(shift Incharge)
How are the chemicals dosing calculated and decided by the chemicals manufacturer for boiler water and cooling towers? What are the parameters for the dosing ...
Academic Treatment Chemical Treatment Water Treatment & Control Cooling Systems Chemical Materials Utility Chemicals Treatment Chemicals
Q&A
For my master thesis I am working on a simulation in Matlab/Simulink for an electrodialysis unit powered by a PV-system for brackish water. I have been reading ...
Academic Modelling Modeling Pumping System Design Hydrological Modelling Brackish Water Desalination Electrodialysis Pumps Pump
Q&A
by guillermo saavedra, senior consultant at Independent Professional
How can I detect where ruptured water pipes made of high-density polyethylene (HDP) or polyvinyl chloride (PVC) need fixing? How can I fix HDP and PVC pipes ...
Technology Pipes Design Infrastructure Management Pipeline Pipeline Installation & Maintenance Pipeline Rehabilitation Pipes and Pipelines
Q&A
by Temple Oraeki, Nigeria, Country Rep. & WASH Coordinator at Hope Spring Water
In most developing countries, people rely on private water supply, mainly borehole installations as a source of drinking water. However, there is little or no ...
Technology Purification Filtration Filters Filtration Solutions Borehole Drilling Water Treatment Solutions Filtration Groundwater Pollution water treatment
Q&A
by Peter K., Environmental Data analysts
I am helping some students with their environmental projects. How is the streamflow drought index (SDI) calculated? I see there are many methods online but ...
Academic Hydrology Ecohydrology Hydrological Modelling Environment Drought Hydrogeology Environment Evaluation Hydrology Hydrological Modelling Hydrology Cycle
Q&A
How can I calculate the right dose of chlorine in an industrial water tank? This water is treated to become drinking water. Is there a formula in which I can ...
Academic Drinking Water Security Decontamination Drinking Water Treatment Industrial Water Treatment Purification Chlorination Industrial Water Treatment Water Purification
Q&A
by Pramod Kumar
Which chemicals can I use to reduce the bad odour from sewage treatment plant (STP) treated water? The STP has a pond with 80 m3 capacity for storing treated ...
Academic Chemical Treatment Sewage Treatment Algaecides Wastewater Treatment Algae Sewage Algae Treatment
Q&A
by Adriana Reina, Project Engineer at ERM Argentina
How can I calculate the air flow needed in horizontal air sparging (for clay for example)? All the information I found is about recommended flows for ...
Academic Soil Groundwater Groundwater Assessment Groundwater Pollution Soil & Water Assessment Tools Soil Management water treatment
Q&A
by Bob DiFilippo, P.G., Founder & CEO Aquaterra Technologies, Inc
Is there a field method for testing the amount of bicarbonate in groundwater? How is it tested in the field, which technology is used and how reliable is ...
Technology Testing Instruments Groundwater Aquifer Groundwater Assessment
Q&A
Is it possible to recycle and reuse extracted metal from mining wastewater? Is there a material which can act as a coagulant, flocculant or act as a porous ...
Academic Heavy Metal Removal Industrial Wastewater Treatment Industrial Water Treatment Industrial Water Treatment Industrial Water Managment Mining Development Metals Heavy metals
Q&A
by satyam arya, Water & Wastewater engineer at Urban System ltd
Is it possible to remove phosphorus from sewage from 19 mg/l to 1 mg/l by biological means? How? Which biological treatment do you suggest?
Technology Treatment Biological Treatment Sewage Treatment Waste Water Treatments Wastewater Treatment Biological Treatment Sewage
Q&A
by musaope mtamba, Director and Chief Solutions Consultant at Sutsol Hitech Solutions
Which center pivot design is the best for African soil? Are there any modern center pivot irrigation designs, with improved water management, which save ...
Technology Agriculture Irrigation Irrigation & Water Management Irrigation Management Irrigation Design Agriculture
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by Gerard Tee Meng Seng, Environmental & Water Technology Centre of Innovation - Research Engineer
I am a research engineer at the Environmental & Water Technology Centre of Innovation and I am looking for ways to reduce water consumption and promote water ...
Academic Water Reuse & Recycling Water Recycling Reuse Grey Water
Q&A
I have a pond of 3.5 m2 with Koi fish and a problem with algae so I would like to calculate the correct algecide dose for my pond. How is the amount of ...
Academic Algaecides Environment Aquifer Algae Lake Management Aquatic Environment Algae Treatment Environment