Azrian, Ichsan (2022) PEMANFAATAN PANAS BUMI NON LISTRIK UNTUK PENGERINGAN BIJI KOPI BERDASARKAN KARAKTERISTIKNYA DI CANDI GEDONG SONGO, DESA CANDI, KECAMATAN BANDUNGAN, KABUPATEN SEMARANG, PROVINSI JAWA TENGAH. Other thesis, UPN 'Veteran" Yogyakarta.
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Abstract
UTILIZATION OF NON-ELECTRIC GEOTHERMAL HEAT FOR DRYING
COFFEE BEANS BASED ON THEIR CHARACTERISTICS IN GEDONG
SONGO TEMPLE, TEMPLE VILLAGE, BANDUNGAN DISTRICT,
SEMARANG REGENCY, PROVINCE OF CENTRAL JAVA
Oleh:
Ichsan Azrian
114170070
ABSTRACT
The research area has geothermal manifestations in the form of hot springs with most of
the population doing agriculture, including coffee farmers. Coffee beans to be consumed
require a drying process. Drying using hot springs will produce no emissions and there is no
worry about the weather. The research area has high rainfall. The research was conducted at
Gedong Songo Temple, Candi Village, Bandungan District, Semarang Regency, Central Java
Province. The purpose of this study was to determine the characteristics and potential of springs
for drying coffee beans in Candi Village.
This type of research uses a combination of qualitative and quantitative types. The methods
used in this research are surveys and field mapping, laboratory tests, analysis and experiments.
Laboratory tests in the form of water geochemical tests and rock incision tests (petrography).
The analytical method is to determine the characteristics and proportions of hot springs.
Analysis of the characteristics of hot springs with the geochemical analysis method of water
using triangular diagrams Cl-HCO3-SO4 and petrographic incisions. Analysis of the potential
of hot springs is predicting the reservoir temperature using the Na/K geothermometer method,
knowing the fluid balance of geothermal water using the Na-K-Mg diagram method, knowing
the quantity (discharge) of the springs and the quality of the hot springs.
The results of the research on the characteristics of geothermal springs have a sulfate (SO4)
type which indicates an upflow zone, based on a thin slice of rock undergoing alteration. The
potential of hot springs is based on the physical quality of hot springs, which has a temperature
of 63 oC, a slight sulfuric smell, tasteless, and yellowish in color, with a TDS of 939 mg/L. The
spring discharge is 0.325 l/s. Fluid equilibrium is in the immature water zone. Estimated
temperature is 354 oC, including high enthalpy geothermal systems (>225 oC). So that the hot
springs in the research area can be used directly or indirectly. Directions for the development
of the use of hot springs in the form of a coffee bean drying device design. The experimental
results show that the design of the coffee bean drying machine has a capacity of 100 kg with a
processing time of 3 hours. Based on the technique, the design of the dryer consists of a pond,
a coffee bean drying plate and an outlet through the greenhouse.
Keywords: Geothermometer, Manifestation, Hot Springs, Drying, Potency, Coffee Beans,
Drying
| Item Type: | Thesis (Other) |
|---|---|
| Uncontrolled Keywords: | Geothermometer, Manifestation, Hot Springs, Drying, Potency, Coffee Beans, Drying |
| Subjects: | T Technology > T Technology (General) |
| Divisions: | Faculty of Engineering, Science and Mathematics > School of Engineering Sciences |
| Depositing User: | Eko Yuli |
| Date Deposited: | 14 Sep 2022 03:45 |
| Last Modified: | 14 Sep 2022 03:45 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/30898 |
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