{HEAD ~ Magnesium halide} supported on an activated carbon prepared under vacuum will remove {TAIL ~ water} at 1 to 500 ppm 
remove
{ HEAD ~ Magnesium halide } supported on an activated carbon prepared under vacuum will remove { TAIL ~ water } at 1 to 500 ppm
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH