contribute to a sustainable future abengoa, a spanish engineering, procurement and construction (epc) contractor, recently selected siemens to supply a compressor train for fulcrum bioenergy's sierra biofuels plant that will use gasification technology to produce low-carbon fuels from municipal solid waste...
for improving environmental performance. limestone for the environment increased environmental demands require more advanced technology and purification of emissions to air, water and soil. limestone is used for all of these processes. water: preparation of drinking water, cleaning of process and waste...