First posted April 25, 2023 For additional information, contact: Director,California Water Science CenterU.S. Geological Survey6000 J Street, Placer HallSacramento, California 95819 Hexavalent chromium, Cr(VI), was released between 1952 and 1964 from the Pacific Gas Electric Company (PG&E) Hinkley compressor station, in Mojave Desert about 80 miles northeast of Los Angeles, California. Geologic...

some geothermal reservoirs have temperatures below boiling point and therefore natural steam can not be produced for power generation. refrigerant power cycles may be then employed to recover low temperature heat. in this article study is made of the power cycles of six different relligrants and most suitable refrigerants for this purpose are suggested