Questions & Answers

Non-residential Water Patterns

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I am looking for non-residential water usage daily patterns. I have curves for residential use, but I am looking for non-residential. The AWWA does not have a ...

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How to Treat Electroplating Waste at Source?

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I am interested in reducing high levels of total dissolved solids (TDS) from electroplating waste. Is there a method which does not cost too much, other than ...

Technology Solid Waste Management Treatment Solid Waste Treatment Heavy Metal Removal Waste Water Treatments Technology Wastewater Treatment Element Separation By Vapor Inorganic Chemicals Metals Waste Disposal Solid Waste Management Waste Water Treatment Waste Management Total Dissolved Solids (TDS)

Metaldehyde Aquatic Half-Life Data

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I am researching the behaviour of micro-pollutants in surface waters and drinking water treatment systems.  I am currently reviewing data for a number of ...

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pH Increase in Desalinated Water in Water Transmission Pipeline

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Does anyone know the reason why the pH of water increases after it travels through a water transmission pipeline of 20 km?  The pH of desalinated water changes ...

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Removal of Sulphides from Wastewater

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We're looking ​for ways of ​cleaning up ​acid mine ​drainage, ​one of the issues we are facing is that our process produces sulphides that need to be removed ...

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Alternative Oil Spill Cleanup Methods

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Does anyone know of any alternative ways to clean up oil spills?  I am looking for methods other than dispersants, since it is still unclear whether they would ...

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Walnut shell filter performance

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I would like to know if walnut shell filter removes only free and emulsified oil or also dissolved hydrocarbons from water? A typical wastewater stream has a ...

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How to remove Nitrate, Iron and Manganese from water?

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We have elevated nitrate, iron and manganese levels in our borehole water. The concentration of these elements is higher than recommended by the WHO drinking ...

Technology Water Purification Filtration Decontamination Filters Filtration Solutions Filtration Drinking Water Water Treatment & Control Water Contaminants Water Purification

Sensors to Identify Pests at Different Stages

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One of the biggest challenges in agriculture is getting rid of pests (e.g. codling moth, boll weevil any many). The yields could be improved if we would be are ...

Technology Sustainable Agriculture Urban Agriculture Vertical Farming Sensor Systems Agricultural Phytoremediation Agriculture & Forestry Crop Farming Fertilizer Pesticides Fertilizers and Pesticides Biotechnology Agriculture Fertilizer Pesticides Agriculture Crops Wireless Systems Sensors Sensorial networks

Water Leakage During Pipe Transport

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Does anyone have quantitative data in their area for the leakage of treated water as an average over a specified distance?   Smart meters help and cut down the ...

Technology Water Treatment Solutions Pipes Design Leakage Detection Drought Brackish Water Coastal Desalination Leakage Leakage Reduction Utility Pipe Network water treatment Desalination Plant Water Treatment & Control Pipeline Pipelines Desalination

Cheap way to mitigate faecal matter odor?

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We are working on constructing a cheap and sustainable toilet in our project area. However, one of the issues we are facing right now is odour generated at the ...

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Biocide Dosing Calculations

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I am currently working on redesigning a biocide pretreatment system for reverse osmosis. Apart from the ​usual ​parameters, ​should I take ​into consideration ...

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Moving Bed Biofilm Reactor Medium Calculation

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How can I ​calculate ​the ​quantity of ​Moving bed ​biofilm reactor ​(MBBR) ​medium to ​be used in MBBR ​#Technology ?​  ​ How do I ​calculate the ​amount ...

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Portable arsenic test kit for drinking water

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Does anyone have experience with getting false positive results from arsenic test kits? I tested the water with a portable kit and the results showed 0.025 - ...

Technology Arsenic Drinking Water Security Water & Diseases Treatment Decontamination Drinking Water Treatment Decontamination Treatment Plants Biological Treatment Water Quality Water Supply Pollution Water Monitoring Water Supply Drinking Water Managment Drinking Water Water Quality Management Water Quality Monitoring Chemicals water treatment Disinfection Pollution Waste Management Test Equipment Monitoring Contaminant Control Test & Measurement

Upgrading an Existing Sewage Plant

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Upgrading an Existing Sewage Plant

We are working on a major project to improve the Sewage Treatment Plants (STP) in Hyderabad, India. Most of the STP' s are old and built in the late 80s. I'm ...

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Foam Control in WWTP

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Foam Control in WWTP

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What is the best ​chemical ​treatment to ​reduce foaming ​caused by ​filamentous ​bacteria in ​wastewater ​plants? The process in the plant where I work is ...

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Effect of Residential Booster Pumps on Water Quality?

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I'm interested in doing research on the effect of residential booster pumps on water quality, especially in developing countries where there are no regulations ...

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How Can I Measure Land-Applied Sludge Emissions?

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Treatment and disposal of sewage sludge greatly contributes to greenhouse gas (GHG) emissions.   How are the GHG emissions from land application of municipal ...

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