Summary | Sulfur dioxide emissions per ton of steel also fell
to 0.69 kilogram last year from 3 kg in 2005.Waste water
discharged during the steel making process has also been
reduced.Some panies even reported figures close to zero percent
when it came to discharging waste water."In addition, solid
waste has be e less of a problem," said Li at the forum.But ...
to 0.69 kilogram last year from 3 kg in 2005.Waste water
discharged during the steel making process has also been
reduced.Some panies even reported figures close to zero percent
when it came to discharging waste water."In addition, solid
waste has be e less of a problem," said Li at the forum.But ...
en.ce.cn | 27 December 2017