Wastewater becomes resourcewater
Feb15

Wastewater becomes resourcewater

A paradigm shift is required to stop viewing wastewater as a problem Click & Tweet! and instead see it as a resource that provides water, for both humans and nature, as well as energy and fertilizer. One city that is leading the way in turning waste into a resource is Hamburg Click & Tweet! with the city’s utility, HAMBURG WASSER, setting the goal of closing the material and energy cycle with energy-saving technology. 20th-century...

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The circular economy and the water world
Jan31

The circular economy and the water world

With the rise of the circular economy, where products and waste materials are reused, repaired, refurbished and recycled, water utilities need to understand the flow of resources – water and non-water – in and out of cities Click & Tweet! . One water utility leading the way in implementing the circular economy is Berlin’s Berliner Wasserbetriebe. Berliner Wasserbetriebe leading the circular economy Berliner Wasserbetriebe is an...

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Melbourne Water’s low-carbon future
Oct18

Melbourne Water’s low-carbon future

With the threshold for entry into force of the Paris Agreement having been achieved this month – after India and the EU ratified the agreement – the attention now turns to implementing the Agreement to limit rising global temperatures to well below 2°C above pre-industrial levels. The water sector’s role in mitigating climate change The water sector now has to adapt to a world that is within 2°C warmer than pre-industrial levels Click...

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Aloha to biogas in Hawaii
Sep14

Aloha to biogas in Hawaii

In the United States it is estimated that heat and embedded energy extracted by clean water agencies contain enough energy to meet up to 12% of U.S. electricity demand. In addition to providing revenue from surplus energy, the extraction/conversion of energy at wastewater treatment plants (WWTP) contributes to overall energy independence, smaller community carbon footprints and saves ratepayers money. Aloha to biogas in Hawaii In...

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Europe: Phosphorous recovery and global food security
Jul15

Europe: Phosphorous recovery and global food security

By 2050, the world will require 60 percent more food produce as a result of rapid population growth and changing diets: as incomes rise demand for dairy products and meat increases. Globally, demand for phosphate as a fertilizer nutrient will rise from 43.8 million tons per annum in 2015 to 52.9 million tons in 2030. Currently, Asia accounts for almost 60% of the world’s total nutrient use, with China and India consuming around 55%...

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