There is a trend across the USA to mandate increasing amounts of energy to be derived from renewable resources. Electric utilities in California, for example, are required to have 33 percent of their ...
Modification in 2003-04 of Polish Oil & Gas Co.'s (PGNiG) nitrogen rejection unit (NRU) at its natural gas and helium plant in Odolanow addressed a feed-gas composition that differed from the one for ...