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Engineering and economic analysis for the utilization of geothermal fluids in a cane sugar processing plant : final report
|Title:||Engineering and economic analysis for the utilization of geothermal fluids in a cane sugar processing plant : final report|
|Issue Date:||01 Jul 1979|
|Publisher:||Puna Sugar Company|
|Citation:||Humme JT, Tanaka MT, Yokota MH, Furumoto AS. 1979. Engineering and economic analysis for the utilization of geothermal fluids in a cane sugar processing plant : final report. Engineering and economic analysis for the utilization of geothermal fluids in a cane sugar processing plant: final report. Honolulu (HI): Puna Sugar Company.|
|Abstract:||The purpose of this study was to determine the feasibility of geothermal resource utilization at the Puna Sugar Company cane sugar processing plant, located in Keaau, Hawaii. A proposed well site area was selected based on data from surface exploratory surveys. The liquid dominated well flow enters a binary thermal arrangement, which results in an acceptable quality steam for process use. Hydrogen sulfide in the well gases is incinerated, leaving sulfur dioxide in the waste gases. The sulfur dioxide in turn is recovered and used in the cane juice processing at the sugar factory. The clean geothermal steam from the binary system can be used directly for process requirements. It replaces steam generated by the firing of the waste fibrous product from cane sugar processing. The waste product, called bagasse, has a number of alternative uses, but an evaluation clearly indicated it should continue to be employed for steam generation. This steam, no longer required for process demands, can be directed to increased electric power generation. Revenues gained by the sale of this power to the utility, in addition to other savings developed through the utilization of geothermal energy, can offset the costs associated with hydrothermal utilization.|
|Sponsor:||DOE Contract Number: ET-78-C-03-1743|
|Appears in Collections:||The Geothermal Collection|
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