Weighing up green credentials

Posted in Science at 10:00 am by David Bradley -- Click to comment  

Weighing up green credentials – Distillation in the USA consumes the same amount of energy as all electricity used in Switzerland. Also, to produce enough wool to replace the output of a 500 ktpa polymer plant for insulation you’d need enough land for the sheep to cover the whole of The Netherlands…

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Genetically engineered heavy metal fans

Posted in Science at 1:00 pm by David Bradley -- 12 Comments; add yours  

The wastewater released from industry often contains high levels of toxic heavy metals, which can kill organisms, damage ecosystems, and accumulate in the foodchain. Electroplating, lead smelting, mining, and countless other processes produce enormous volumes of such wastewater.

In a perfect world, remediation would be powered by a renewable energy supply, there would be no solid waste to dispose of, and the heavy metal contaminants could be recycled back into the industrial process with minimal losses. …

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A month with an electricity monitor

Posted in Science at 2:00 pm by David Bradley -- 5 Comments; add yours  

Right, the kettle is on for a morning brew and apparently our household is using 3.07 kilowatts. That will include the chest freezer in the garage, the refrigerator in the kitchen, the electric kettle, my laptop and wireless network, oh and a little device sitting on my desk right now that’s monitoring all those electrons as they speed through the mains supply cable.

electricity monitor

The monitor …

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