Due to the oil price increasing dramatically, it is essential to recycle and reuse the solid wastes in order to recovery the used energy.However, high sulfu
The sludge management of the paper production industry is the big problem that needs to solve.The paper industry generates 6,000 tons of sludge per month an
The Environmental Protection Agency (EPA) report estimated that 23.5 million desktops and 40.4 million portable computers were sold in 2010.This data does n