Low rank coals are generally featured with a high water content which exerts strong
influences onto their utilization including pyrolysis, gasification, liquefaction and combustion …

Our society currently faces three challenges, including resource depletion, waste
accumulation and environmental degradation, leading to rapidly escalating raw material …

Electric field-assisted dewatering, also called electro-dewatering, is a technology in which a
conventional dewatering mechanism such a pressure dewatering is combined with …

Globally, low rank coals are responsible for about half of the world's total coal deposits.
However, these low rank coals present a high moisture content, which significantly impacts …

Hydrothermal treatment coupled with mechanical expression at increased temperature in
two separate cells respectively is effective for the dewatering of excess sludge with low …

Abundant oxygen-containing functional groups make lignite high moisture content, which
reduces the utilization efficiency of lignite. The decrease in hydrophilicity of lignite surface …

Dewatering is very important for excess sludge treatment and disposal. Hydrothermal
treatment coupled with mechanical expression is a novel technology, in which a …

Drying characteristics of low rank coals in a local microwave oven operating at 2.45 GHz
were investigated. Effects of coal particle size, microwave power level, and coal sample size …

A lignite from Shengli mine in Chinese Inner Mongolia was upgraded by hydrothermal
dewatering (HTD). The effects of the HTD process on the solid product yield and the removal …

Dehydration is a necessary link for lignite upgrading, and evaporative dehydration is one of
the most effective dehydration technologies for lignite. Kinetics, as a fundamental …