New tech­nol­ogy helps re­searchers de­crease emis­sions at coal plants

Fiji Sun - - China News -

Bei­jing: Re­searchers at Zhe­jiang Uni­ver­sity aim to fur­ther lower the emis­sions of coal-fired power plants by im­prov­ing the ul­tralow emis­sion tech­nol­ogy they have de­vel­oped.

Their sys­tem can ef­fec­tively re­duce the emis­sions of pol­lu­tants such as sul­fur diox­ide, sul­fur tri­ox­ide and heavy me­tals such as mer­cury.

“We are im­prov­ing the ac­cu­racy of the sys­tem, low­er­ing the op­er­at­ing costs un­der vari­able load con­di­tions and pro­mot­ing the sys­tem from coal-fired power plants to also be ap­plied to in­dus­trial boilers,” said Zhang Yongxin, a re­searcher at the uni­ver­sity’s In­sti­tute for Ther­mal Power Engi­neer­ing.

Coal is the main source of en­ergy in China. Ac­cord­ing to the In­ter­na­tional En­ergy Agency, the coun­try has been the world’s largest pro­ducer of coal since 1985 and pro­duced nearly half the world’s coal in 2014.

Gao Xiang, a re­searcher at the in­sti­tute, said coal ac­counts for over 90 per­cent of China’s proven re­serves of fos­sil en­ergy re­sources and, even though new en­ergy is weigh­ing in, its coal-based en­ergy struc­ture is not likely to change in the short term.

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