由于煤带来的硫酸盐污染通过遮蔽阳光照射到地球表面使地球变冷。

Sulphate pollution due to coal cools the planet by shading its surface from sunshine.

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几十年世界上用类似硫酸盐的物质来减少空气污染、净化全球空气早有立法，而当前寻找一条下坡路来走完全没有意义。

Reducing pollution by things like sulphates has been the goal of clear-air legislation around the world for decades, and finding a downside now would not be helpful.

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说明在适宜的工艺条件下，光合细菌具有耐受高浓度的硫酸盐、氨氮和硫化物及高效去除有机污染物的能力。

So, Under optimal operational conditions, PSB is characterized with tolerance to high concentration of sulfate and ammonia and high efficient removal of organic pollutants.

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