Question
by Ahmadi Arsalan, Water Purification- Reverse Osmosis at Natural Seawater Desalination Ltd
What can be the cause of the yellow-like color of the RO permeate water? What is the solution to that?
Treatment Treatment Methods RO Systems Filtration Decontamination Reverse Osmosis Technology Membranes Contaminant Removal
Question
by Ahmadi Arsalan, Water Purification- Reverse Osmosis at Natural Seawater Desalination Ltd
How can I increase calcium ion (Increase from 1 ppm to 20 ppm) in RO water using natural things or water soluble calcium salt? This is for a 1500 m3/d ...
Ion Exchange Treatment Methods Chemical Treatment RO Systems Biological Treatment Saline Water
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by Engr. Salah Ud Din, Deputy Director at Pakistan Council of Research in Water Resources
I am doing a trend analysis of rainfall and runoff using parametric test. My question is, if I do a regression analysis and find a slope of increase or ...
Academic Testing Instruments Stormwater Management Data Management Stormwater Water Management Measurement Water Resource Management Storm Water Management Stormwater Runoff Data & Analysis
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by Ragavendra V. B.Eng, GMICE, Wet Utility Design Engineer, IBI Group
Hi friends, I need an industrial water pretreatment system drawing for oil water, detergents and solvents. This is for industrial overland flow need to be ...
Industrial Wastewater Treatment Industrial Water Treatment Oil Water Separation Industrial Wastewater Treatment Flowmetering Wastewater Treatment Plant Design Surface Flow Analysis Solvents Solvents Pretreatment
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Dear Friends, I am working on a research plan to mitigate ammonia pollution in water with the help of a desert plant extract (Yucca). I have taken its stem and ...
Treatment Treatment Methods Biological Treatment Coagulants Drinking Water Treatment Filtration Decontamination Biological & Chemical Quality Biological Treatment Drinking Water water treatment Landfill Leachate
Question
by Ahmadi Arsalan, Water Purification- Reverse Osmosis at Natural Seawater Desalination Ltd
Hello All, Can the RO system refine the mine wastewater with the specifications given in the table below ?Water type: Mine wastewater – 2500 ...
RO Systems Reverse Osmosis Reverse Osmosis RO & MSF Fouling Desalination
Question
by Ahmadi Arsalan, Water Purification- Reverse Osmosis at Natural Seawater Desalination Ltd
Hello All, How can water have a high hardness but a low TDS?
Drinking Water Security Treatment Treatment Methods Drinking Water Treatment Filtration Quality Technology Water Treatment Solutions Water Quality Filtration Drinking Water Total Dissolved Solids (TDS)
Question
by PHETLA MANGENA, Water quality at WEB Bonaire
Good day, Am having a problem with the final effluent of one the biggest water treatment works of 16,5ml/d. The WWTWs disinfect with chlorine gas. The ...
E. coli Effluent Chlorine Dioxide Waste Water Treatments Chlorination Wastewater Treatment
Question
by Ali Fardan
What causes total alkalinity to be much lower the total hardness in brackish RO product water? Please note that EC is around 517 uS/cm?
Academic Treatment Methods Water Softener Drinking Water Treatment Alkaline Reverse Osmosis Water Treatment Solutions Brackish Water Drinking Water Minerals water treatment Water Hardness
Question
by Cátia Faria
We are designing a RO system to be applied on treated water after MBR system. Still the water has 250 mg/l COD. The conventional programs to design RO don’t ...
RO Systems Membrane Bioreactor Systems Membranes Membrane Technology Membrane Filtration UF membranes/cassettes for waste water treatment MBR Desalination
Question
Good day guys Currently, I am working on air dissolution in an air saturator of a DAF system. We all know that increasing recycle ratio and saturator pressure ...
Academic Effluent Industrial Wastewater Treatment Dissolved Air Flotation Water Treatment & Control Industrial Water Treatment Technology Water Treatment Solutions Industrial Water Reuse water treatment
Question
by Engr. Salah Ud Din, Deputy Director at Pakistan Council of Research in Water Resources
I am interested to find soil hydrological group of my catchment area that is TYPE A, B, C or D, for which I need soil classification of my project area. How ...
Academic Soil Hydrology Soil & Water Assessment Tools Agriculture & Forestry Soil Management
Question
by Joel Velasco, Manager I at Manila Water Company, Incorporated
Any webinar/online training recommendation for the above subject? Thank you.
Academic Education & Research Reclaimed Wastewater Industrial Wastewater Treatment Decentralized Wastewater Water Reuse & Recycling Wastewater Treatment Wastewater Collection Industrial Water Reuse Reuse
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by Dharmveer Yadav, Researcher (Environmental Engineering)
Hello!! Actually, I am interested in generating pores in sand filter column during manufacturing. It is not the conventional sand filter. I am planning to ...
Sand Filter Filtration Filtration Solutions
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by Erdem Eroğlu, The Ministry of Forestry and Water Affairs şirketinde Mühendis
ı am currently working on a project for digitizing water resources. May I ask you how you understand the canal flow direction when digitizing these kinds ...
GIS & Remote Sensing Technology GIS Groundwater Assessment Groundwater Modeling Groundwater Mapping Surface Flow Analysis GIS & Remote Sensing
Question
by PHETLA MANGENA, Water quality at WEB Bonaire
I received 100% of drinking water supply from water treatment works with free chlorine of 0.89mg/l and total chlorine of 1.78mg/l at the reservoir, while from ...
Chlorine Dioxide Drinking Water Treatment Chlorination Compliance Drinking Water Managment Compliance Chlorine Dioxide Treatment
Question
by Chris Williams, Operational Scientist at United Utilities
I am looking for any anecdotal experiences of dosing chlorine dioxide into a floc-sed process. Any problems encountered etc. ?
Flocculation Chlorine Dioxide Chlorination Chlorine Dioxide Treatment
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I have aluminium carry over through the secondary filters. I'm trying to explain the importance of keeping the coagulated pH at 5.8 but the plant operator ...
Coagulants Drinking Water Treatment Water Quality Management Inorganic Chemicals Raw Water Utility Boiler and Cooling Water Treatment
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by Ian Pearson
Dear wise friends, we are planning to construct a wetland as a tertiary treatment after an activated sludge treatment unit (0.8 Ml/day domestic sewage). The ...
Waste Water Treatments Wastewater Treatment Wetlands Constructed Wetlands Nutrient Reduction and Removal Activated Sludge
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by muhammad tariq khan, water hygiene and sanitation manager
Dear Collegues Is it possible to have Bioreactor enhanced by biochar for treatment of hospital wastewater. Kindly help me with some literature , what are ...
Bioreactor Pharmaceuticals Waste Membrane Bioreactor Systems Environment & Water Hospital Waste Management