After decades of isolation, Myanmar is welcoming investments and technical expertise from international organisations. Its water and wastewater sector needs to be built up from scratch. Will Myanmar be able to avoid the mistakes made by countries in the region? Continue reading
The New York Times has just published an article which reports that malnutrition in India is not so much caused by the lack of nutrition as due to the lack of sanitation. This is indeed a damning discovery.
Each time a city is chosen for holding an important event such as the Olympics, it transforms the city’s landscape forever. Glittering new sporting venues shoot up along with parks, flyovers, apartments and other structures. The entire city gears up for the arrival of hundreds of thousands of visitors. Infrastructure assumes paramount importance. Suddenly, there is money to build new water/wastewater treatment plants and power stations. Continue reading
I’ve been seeing red very often these days. It started early this year when The Guardian posted a picture of a bright red Jianhe River in Luoyang, China. The colour was caused by illegal wastewater discharges from chemical plants. Continue reading
Pandering to public perceptions can often lead to expensive and somewhat absurd decisions. Take the case of indirect potable reuse of water. Is it not a waste to purify wastewater to such advanced levels, blend it with water of lower purity and then let it get treated all over again at drinking water treatment plants to supposedly make it fit for drinking? Or to take tertiary treated effluent and make it recharge groundwater through layers of soil pulling in contaminants all over again? Continue reading
It has been known for a long time that there is energy in wastewater. Nearly any wastewater has an energy value of 13-15 kJ/g COD. The organic matter present in wastewater is theoretically sufficient to more than offset all the energy used in its treatment. Continue reading
A short film I made has won the best prize at the TU Delft Urban Water Movie Contest.