Taufan Geothermal for Crop Processing rev .Pengguna •PLN • Industri Pengguna Listrik Institusi

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GEOTHERMAL ENERGY UTILIZATION GEOTHERMAL ENERGY UTILIZATION FOR CROP PROCESSINGFOR CROP PROCESSING

Taufan SuranaGeothermal Energy Research Group

Center for Technology of Energy Conversion & ConservationCenter for Technology of Energy Conversion & ConservationBPPT

Research on R.E. inResearch on R.E. inCenter for Energy Conversion & Conservation TechnCenter for Energy Conversion & Conservation TechnCenter for Energy Conversion & Conservation Techn.Center for Energy Conversion & Conservation Techn.

PV - Solar Home System PV - Isolated Grid PV - Grid-connected

Hybrid Power System

Wind Power Sub-System Control System

PV Sub-System

Research on Geothermal Energy inResearch on Geothermal Energy inCenter for Energy Conversion & Conservation TechnCenter for Energy Conversion & Conservation TechnCenter for Energy Conversion & Conservation Techn.Center for Energy Conversion & Conservation Techn.

Geothermal Energy Utilization :Geothermal Energy Utilization :

1 El i i 1 El i i S ll S l G h l P PlS ll S l G h l P Pl1. Electricity 1. Electricity Small Scale Geothermal Power PlantSmall Scale Geothermal Power PlantBack PressureBack PressureTurbine Tech.Turbine Tech.

PLTPInisiatorBPPT & Ristek : Analisa Sumber

Pengguna PLN IndustriPengguna Listrik

InstitusiPendukung

Investor (Rekin, YTG, dll.) Pengelola Lapangan PanasBumi (Pertamina, YTG, dll.)

PLN

DPR Dep. ESDM

PEMDA Universitas

Turbine Tech.Turbine Tech.

Binary Cycle Tech.Binary Cycle Tech.

MERAH PUTIH Disain & Rancang

Bangun Sistem Kontrol

Material

Pengguna Listrik

IndustriPendukung

Turbin (PT Nusantara Turbin / PT DI) Generator, Separator (PT Pindad) EPC, Pemipaan (PT Rekayasa Industri)

K li t ik Si t K t l (PT R k d )Binary Cycle Tech.Binary Cycle Tech. Kelistrikan, Sistem Kontrol (PT Rekadaya)

2 Direct Use 2 Direct Use Crop Processing etcCrop Processing etc Steam, T=142.5C, m=3.6kg/s T=140C SteamBrineT=180 C2. Direct Use 2. Direct Use Crop Processing, etc.Crop Processing, etc.

WitheringUnit (2)

DryingUnit (5)Heat Exchanger

Q=7.8MWt

T=140 C, Steam

Q=1.5 MWt Q=0.9 MWt

m= 0.7 kg/s m= 0.4 kg/sT=180 Cm= 55 kg/s

T 180 Cm= 75 kg/s

T=156.2 C

Hot WaterT=137.5 C

T=140C, Hot Water

Air Heater Air HeaterT=147.5 C

GEOTHERMAL RESOURCESGEOTHERMAL RESOURCES

THAILANDPHILIPPINES

CAMBODIA

PHILIPPINES

MALAYSIA

BRUNEI

Medan

SumateraSumateraSibayakSibayak 12 MW12 MWSumateraSumatera

SibayakSibayak 12 MW12 MW

SulawesiSulawesiSulawesiSulawesi1 996 MWeKALIMANTAN

SULAWESI

IRIAN JAYA

MALUKU

SINGAPORE Manado SulawesiSulawesiLahendong 40 MWLahendong 40 MWSulawesiSulawesi

Lahendong 40 MWLahendong 40 MW1,996 MWe

13,820 MWe

PAPUANEW GUINEA

JAYA

BALI

NUSATENGGARA

TIMOR

JAVASemarang

Tanjung Karang

Bandung

9,253.5 MWe 1,487 MWe584 MWe

N

500 Km Total of Indonesia: 27,000 MWe

JawaJawa -- BaliBaliKamojangKamojang 200 MW200 MWDarajatDarajat 255 MW255 MWGn.SalakGn.Salak 375 MW375 MW

JawaJawa -- BaliBaliKamojangKamojang 200 MW200 MWDarajatDarajat 255 MW255 MWGn.SalakGn.Salak 375 MW375 MW ,

Geothermal Power Plant: 1,052 MWWayangWayang--WinduWindu 110 MW110 MWDiengDieng 60 MW60 MW

WayangWayang--WinduWindu 110 MW110 MWDiengDieng 60 MW60 MW

Source: PERTAMINA

DEVELOPMENT ROADMAPDEVELOPMENT ROADMAP

PR No.5/2006 N.E.P.: Renewable Energy 5%of Energy Mix in 2025

PRESENT:of Energy Mix in 20251052 MW

2006 2025

3442 MW857 MW 9000 MW2000 MW 4600 MW

2008 2012 2016

6000 MW

2020

3442 MW857 MW 9000 MW(target)

2000 MW 4600 MW 6000 MW

Source: Departement of Energy & Mineral Resources

DIRECT USE APPLICATIONSDIRECT USE APPLICATIONS

10 40 70 100 120 150 0C

food processing cement drying

coal drying

textile industrytextile industry

pulp & paper

leather handicraft rayon industryleather handicraft rayon industry

metal leaching process sugar evaporation

aquaculture milk evaporation

mushroom cultivation rubber vulcanization

soft drink processing traditional & modern medicine industry

synthetic rubber processing gypsum drying

greenhousing kaolin drying

(Dickson & Fanelli, 1990)

10 40 70 100 120 150 0C

GEOTHERMAL RESOURCES FOR DIRECT USEGEOTHERMAL RESOURCES FOR DIRECT USE

1. Natural geothermal well

2. Shallow geothermal well2. Shallow geothermal well

GEOTHERMAL RESOURCES FOR DIRECT USEGEOTHERMAL RESOURCES FOR DIRECT USE

3. Small capacity geothermal well

Steam SteamTurbine

Generator

4 Brine (separated hot water)2 Fluid Separator

4. Brine (separated hot water)

Brine

ReinjectionWells

ProductionWells

Wells

CONCEPT OF DIRECT USE TECHNOLOGYCONCEPT OF DIRECT USE TECHNOLOGY

To Geo PP HeatingProcessSeparator

To Geo PP

Steam

BrineHeating

From WellHeatingProcess

Geothermal Resourcecan be :can be :- small capacity well- natural well, etc.

CONCEPT OF DIRECT USE TECHNOLOGYCONCEPT OF DIRECT USE TECHNOLOGY

HeatingTo Geo PP HeatingProcessHeat ExchangerSeparator

To Geo PP

HeatingProcess

FromWell Brine

Steam

Brine Back To Injection Well

can be :small capacity well

Geothermal Resource

- small capacity well- natural well, etc.

DIRECT USE APPLICATIONSDIRECT USE APPLICATIONS1. Natural/shallow geothermal well for copra/cocoa drying

Water In

Water Tower

FreshWaterPumpCool Water In

Hot Water Out

Valve

Pipe

Pipe

DOWNHOLEHEAT

EXCHANGER

Temp.Water Flow

80 100oCNatural

Geothermal Well

HumidityDrying RoomPressure

G

Temp.Outlet

Temp.Drying Room

DRYING ROOMValve

Gauge

Temp.Inlet

Lampung Geothermal Field

DIRECT USE APPLICATIONSDIRECT USE APPLICATIONS2. Small capacity geothermal well for mushroom cultivation

MushroomGreenhouse

Room Sterilization Before/After Mushroom

Growing Season

Water OutFreshWater

Sterilization Chamber(Autoclave)

Mushroom Growing Media Inside

Water Pump

Fresh WaterSteam Out

Steam Generator

Geothermal Fluids In

(Autoclave)

Water Tower Fresh Water In

180 oC, 2 atm

100 oC, 1.2 atmSteam Generator(Heat Exchanger)

100 C, 1.2 atm

Geothermal Well

KamojangGeothermal Field

MANAGEMENT SCHEMEMANAGEMENT SCHEMEFOR COMMUNITY DEVELOPMENTFOR COMMUNITY DEVELOPMENTFOR COMMUNITY DEVELOPMENTFOR COMMUNITY DEVELOPMENT

PRODUCT

RAW MATCOMMUNITY

GEOTHERMAL DEVELOPER

GEOTH. DIRECT USERAW MAT.RESOURCE FACILITY

COOGEOTHERMAL DEVELOPER

GEOTH. DIRECT USE

PRODUCT

RAW MAT.COMM.OPERATE

DIRECT USE

COOP./3RD PARTY

RESOURCE FACILITY DIRECT USE FACILITY

GEOTHERMAL DEVELOPER

GEOTH. DIRECT USE

PRODUCT

RAW MATCOMM.OPERATE

COOP./3RD PARTY

GOVERNMENT

GEOTH.RESOURCE FACILITY

RAW MAT.DIRECT USE FACILITY

DIRECT USE APPLICATIONSDIRECT USE APPLICATIONS3. Brine for palm sugar processing

H tiTo Geo PP HeatingProcessSeparator

To Geo PP

Steam

BrineHeating

From WellHeatingProcess

LahendongGeothermal Field

DIRECT USE APPLICATIONSDIRECT USE APPLICATIONS

Steam, T=142.5C, m=3.6kg/sT=140C, Steam

BrineT=180 C

3. Brine for tea drying in PTPN VIII

T 140 C, Steam

m= 0.7 kg/s m= 0.4 kg/sT=180 Cm= 55 kg/s

m= 75 kg/s

WitheringUnit (2)

DryingUnit (5)Heat Exchanger

Q=7.8MWt Q=1.5 MWt Q=0.9 MWt

Hot WaterT=137 5 C Air Heater Air Heater

T=147.5 CT=137.5 C Air Heater Air Heater

T=156.2 C T=140C, Hot Water

Wayang WinduGeothermal Field

DIRECT USE APPLICATIONSDIRECT USE APPLICATIONS3. Brine for tea drying in PTPN VIII

Wayang WinduGeothermal Field

PERHITUNGAN KEEKONOMIANPERHITUNGAN KEEKONOMIAN

Untuk membandingkan BIAYA ENERGI antara penggunaan IDO dan BRINE

Menghitung potensi penghematan SUBSTITUSI IDO

Asumsi :Asumsi :Asumsi :Asumsi :- Harga Brine : 0,2 cent USD/kWh- Capacity Factor : 70%- Nilai Tukar Rupiah : 1 USD = Rp.9.500,-

HasilHasil PerhitunganPerhitungan ::HasilHasil PerhitunganPerhitungan ::- Produksi Panas : 61.320 MWh- Biaya Brine : 122.640 USD = Rp. 1.165.080.000,-

Biaya IDOBiaya IDO Biaya BRINEBiaya BRINE PenghematanPenghematanRp 4 5 M Rp 1 2 M Rp 3 3 M (74%)Rp. 4,5 M Rp. 1,2 M Rp. 3,3 M (74%)

BUSINESS SCHEMEBUSINESS SCHEME

BUSINESS BUSINESS -- TO TO -- BUSINESSBUSINESS

MAGMA NUSANTARA LTD.

GEOTHERMAL DIRECT USE

PTPN VIII

TEA FACTORYHEAT

FLUID FACILITYTEA FACTORY

BRINEMAGMA NUSANTARA LTD.

GEOTHERMAL FLUIDDIRECT USE

FACILITY

PTPN VIII

TEA FACTORYGEOTHERMAL FLUID FACILITY FACTORY

M N L

GEOTHERMALBRINE

DIRECT USE

THE 3RD

PARTYPTPN VIII

HEATGEOTHERMAL

FLUIDDIRECT USE

FACILITYTEA FACTORY

LESSONS LEARNTLESSONS LEARNT

1. Geothermal direct use for crop processi