He is confident, however, that even for traditional coal plants the cost of CCS can be reduced to $ 20 per ton. (scientificamerican.com)
Extracting CO2 from traditional coal plants is much less efficient than from gasification plants, where coal is first turned to a gas and reacted with water to form CO2 and hydrogen. (scientificamerican.com)
Even as China continues to rely on traditional coal plants for power generation, it is turning to gasification of low - rank coals to build its middle class and to make products like fertilizer and plastics, he explained. (scientificamerican.com)