The system USES the heat from waste gases produced in the kiln during the cement-making process both to dry the cement and to heat water in a boiler that drives a turbine to produce electricity.

这套设备利用了水泥窑在生产时排放出的废气中的热量，通过热交换的原理，既晾干了水泥熟料，又加热了锅炉里的水，从而形成水蒸气，最后推动涡轮转动发电。

youdao

Mining company Outokumpu dumped 450 cubic meters of pig slurry into the waste water near the closed Kangasjarvi mine, which once produced zinc, copper and sulfur.

芬兰Outokumpu矿业公司日前向已被关闭的Kangasjarvi矿附近的一个废弃池塘内倾倒了450立方米的猪粪浆。 此前，该矿业公司曾在Kangasjarvi矿开采过锌、铜和硫磺。

youdao

Waste water produced by a chemical factory was being discharged into the river.

有一家化工厂生产的废水排入河中。

youdao

The method uses biogas, which is produced when waste water sludge is broken down by microbes in a process known as anaerobic digestion.

BBC: United Utilities turns human waste to energy at plant

The EPA's initial report concluded that there was a link with the waste-water produced by drilling for gas.

BBC: Fracking: Untangling fact from fiction

Now, companies with plants that use or produce chemicals on the list have to complete a long form (one form per chemical, per plant), which tells exactly how much of the chemical is used or produced and where it is going (air, water, recycling, waste treatment).

FORBES: Toxic Neighbors?