Osaka Gas Osaka Gas Efforts Efforts Towards a Low Towards a Low-Carbon Society Carbon Society Takashi Sakai Osaka Gas Co Ltd Osaka Gas Co., Ltd. Executive Vice President and Representative Director 1 September 8, 2010
Osaka GasOsaka Gas EffortsEffortsTowards a LowTowards a Low--Carbon SocietyCarbon Society
Takashi SakaiOsaka Gas Co LtdOsaka Gas Co., Ltd.
Executive Vice President and Representative Director
1
September 8, 2010
Contents
1.Outline of Osaka Gas Co., Ltd.
2.Advanced Application of Natural Gas
3.Utilization of Renewable Energy
4 Utili ti f U d E4.Utilization of Unused Energy
5 Effective Use of Coal Resources5.Effective Use of Coal Resources
2
Contents
1.Outline of Osaka Gas Co., Ltd.
2.Advanced Application of Natural Gas
3.Utilization of Renewable Energy
4 Utili ti f U d E4.Utilization of Unused Energy
5 Effective Use of Coal Resources5.Effective Use of Coal Resources
3
Outline of Osaka Gas Co., Ltd.
KyotoFounded Oct. 19th, 1905
M j S i
Service of city gas, heat and electricitySales of gas appliances, devices and
Hyogo
Osaka
Shiga
Major Services Sales of gas appliances, devices and installation works related thereto
6 Prefectures in the Kinki District 78 Nara
Osaka
Service area6 Prefectures in the Kinki District, 78 cities, 29 towns
Customers 7.01 million houses (as of Mar. 2010)
Wakayama
Customers 7.01 million houses (as of Mar. 2010)
Capital 13.21 billion ¥ (Japanese Yen)
1096.6 billion ¥ (Consolidated)Sales 844 billion ¥ (Unconsolidated)
( as of Mar., 2010)
Employees 5,588 (as of Mar., 2010 excluding d d ff)
OsakaTokyo
<JAPAN>
4
Employees seconded staff) <JAPAN>
Business Domain of Osaka Gas
Sales of Gas :8,150 million m3 (2009)
C tHigh Pressure
Pipeline
Medium Pressure Pipeline
Low Pressure Pipeline
Produce Gas
Customer
Import Natural Gas Distribute Gas
Gas Field Liquefaction Plant
Tanker LNG Tank Vaporizer
Pipeline
Pressure Governor
Gas Holder
p
Pressure Governor
CustomerDistribute Electricity
Generate Electricity
5
Change of Gas Materials(Coal→Oil→Natural Gas)
OilCoalCoal Natural Gas
1905 1953 1975 1990
OilCoalCoal Natural Gas
Light oil Coal tar
RecoverG
Separate/refine
Recover
GasHydrogenCarbon monoxide
Recover
Coke-Oven Gas Factory
6Coke
Use for making iron, castings, etc.
Products based on Coal Technologies
コーク ス炉 ガス
都 市 ガ ス
粗 軽 油
粗 軽 油
ナ フ タ リ ンon Coke-Oven Gas
Gas
Crude Light Oil Naphthalene石
炭
乾
留
コ ー ク ス
コ ー ル タ ー ル タ ー ル 酸
ク レ オ ソ ー ト 油
Coa
l
Car
boni
zati
Coke
Coal Tar Tar Acid
Creosote Oil
フ ル オ レ ン
ピ ッ チ
Fluorene
Activated Carbon Fiberピ ッ チ
<Fluorene>Mobile phones are made thinner by its characteristics of high refraction index
<Activated Carbon Fiber>Fine pores formed on carbon fiber are very effective for adsorbing and removing
Carbon Fiber
characteristics of high refraction index (over 1.6) and low birefringence.
effective for adsorbing and removing harmful materials with 10 times higher efficiency than activated carbon.
Fl
7
Mobile PhoneWith Camera
Optical LensFluorenePolyester ACF
(Activated Carbon Fiber)NOx removingEquipment forexpressway
Electric Power Business
Area Type No. of Plants Net Output
Th l 8 1 696 MW
Domestic
Thermal 8 1,696 MW
Wind 2 18 MW
Total 10 1,714 MW
Overseas Thermal 12 1,163 MW
Total 22 2,877 MW
Torishima IPP (150MW) Hayama Wind P.P.Senhoku P.S. (1100MW)
8
Overseas Business
Idemitsu Snorre Oil Development (North Sea oil field)8 IPPs in US (Included Guam) 8 IPPs in US (Included Guam)
Tenaska Gateway IPP
Qualhat LNG Terminal
Universe Gas & Oil (gas field)
Amorebieta IPP
Crux condensate fieldFree Port LNG Terminal
4 Gas Pipelines
Sunrise gas field
G p
Hallett 4 Wind Farm
9
Promotion of Natural Gas Use in accordance with National Policy
The United Nations Summit on Climate Change (September, 2010)The commitment whereby Japan will aim to reduce the emissions by 25% by 2020 if compared toThe commitment whereby Japan will aim to reduce the emissions by 25% by 2020, if compared to the 1990 level, has been expressed, premised on the establishment of a fair and effective international framework in which all major economies participate and agreement is obtained on ambitious targets by them.
The Review of the Basic Energy Plan (June, 2010)Promotion of "Natural Gas Shift" including fuel change in the industrial sector, use of cogeneration, promotion of technological development of fuel cell, its dissemination and extension in both Domestic and overseas market, and the extension use of biogas
・Fuel Change (gas ratio) :50% increase in 2020, doubled increase in 2030
・Cogeneration (installed capacity) :50% increase in2020 (8 million kW) doubled increase in 2030 (11 million KW):50% increase in2020 (8 million kW), doubled increase in 2030 (11 million KW)
10
Osaka Gas is promoting Advanced Applications of Natural Gas and utilization of Renewable Energy toward Realization of Low-Carbon Society
Contents
1.Outline of Osaka Gas Co., Ltd.
2.Advanced Application of Natural Gas
3.Utilization of Renewable Energy
4 Utili ti f U d E4.Utilization of Unused Energy
5 Effective Use of Coal Resources5.Effective Use of Coal Resources
11
Scheme of Cogeneration and Effectiveness
To generate electricity and heat simultaneously on site contributes to Energy-saving and CO2-saving.
Scheme of Cogeneration
Waste heat generated simultaneously with electricity is recovered and used for supply of
Effectiveness of Distributed SystemTotal High Efficiency is achieved by effective use of exhaust heat, etc.
steam, hot water, air conditioning, etc. Thermal Power Station
Primary energy 100
Waste Heady gy
(Oil, Natural gas, Coal)
Electric energy40Transmission
loss, etc. 4Waste heat 56
Energy Use40%
Steam
H
Cogeneration
Primary energy
Waste heat 56Hot water
Air conditioning
Waste Heat Recovery
Gas EngineElectric Generator
Un sable
Primary energy(Natural gas) 100
Electric energy20-40
Energy Use
yBoiler
Electricity
12
Unusable waste heat
10-30Use of waste heat
30-60
Energy Use 70~90%
Product Line-up For Cogeneration
Product Line-up corresponding to a wide range of heat-to-power ratios and capacitycan be applied to various customer demands.
HouseholdHousehold BusinessBusiness
Public BathShops Hospital, Hotel
IndustryIndustry
Electric Machines, Chemical, SteelHouse Condominium
applie
d
ain
ly
SOFC Energy-saving:35%CO2-saving :50%Power generation efficiency :45%Waste heat ffi i 40%
Energy-saving:26%CO2-saving :41 %Power generation efficiency :41%Waste heat
Energy-saving:29%CO2-saving :44 %Power generation efficiency :44%Waste heat efficiency :26%
Ele
ctr
icity
am
a
Miller cycle Gas Engine (Large Size)Energy-saving:27%
efficiency :40%
Energy-saving:31%CO2-saving :40 %
Energy-saving:29%CO2-saving :43 %Power generation efficiency :40%
efficiency :34%
ed
ly
Miller cycle Gas Engine (Middle Size)
CO2-saving :40%Power generation efficiency :35%Waste heat efficiency :45%
CO2 saving :40 %Power generation efficiency :34%Waste heat efficiency :52%
efficiency :40%Waste heat efficiency :32%
Energy-saving:29%CO2-saving :44 %Power generation efficiency :33%Waste heat efficiency :53%
Hea
t app
liem
ain
Gas Engine
Energy-saving:21%CO2-saving :32 %Power generation efficiency :32%Waste heat efficiency :63%
y
13
Gas Turbine Gene-Light
Fuel Cells for Household Use
• We started to sell Fuel Cells (PEFC) for household use last June.• SOFC is under development, which can be expected to have larger CO2- and Energy-
Type Polymer Electrolyte Fuel Cell (PEFC) Solid-oxide Fuel Cell (SOFC)Cell Electrolyte Cation Exchange Membrane (fluoric resin) ceramics (Stabilized zirconia)
saving effects than PEFC.
Cell Electrolyte Cation Exchange Membrane (fluoric resin) ceramics (Stabilized zirconia)
Work Temp. 70~80℃ 700~1000℃
Power Generation
35%(LHV) 45%(LHV)
Efficiency
Total Eff. 80%(LHV) 85%(LHV)
CO2-saving CO2-saving
Appearance
CO2 saving ratio 40%
Energy-saving ratio
CO2 saving ratio 50%
Energy-saving ratio
Situation Commercialized in June 2009At the initial stage of demonstration
(to be commercialized in the first half of the
saving ratio27%
saving ratio35%
14
Situation Commercialized in June 2009 (2010 decade )
業務・産業用熱分野の省エネ・CO2削減についてRegeneration Burnar
<STEP1>
Fuel selection<STEP2>
Introduction of highly efficientand energy-saving systems
Heavy Oil+
Conventional B
Highly Efficient Burner
Shift to Natural
GasBurner
100:CO2 Emission Amount
4575
2
This is the energy-saving system
Regeneration Burner
Air preheat空気予熱
gy g ywhich enhances Waste Heat Recovery Ratio by alternate operation of thermal storage and pre-heating of 2 sets of burners storing thermal storage bodies.
Heat
Air preheat
Heat Storage of Exhaust air
g gHeat
storage
1. Advanced Application of natural gas 50% reduction CO P i
Introduction Case: Aluminum Melting Furnace
15
(Introduction of regeneration burner)2. Energy-saving provided by improving combustion control
method
CO2・Primary energy
Contents
1.Outline of Osaka Gas Co., Ltd.
2.Advanced Application of Natural Gas
3.Utilization of Renewable Energy
4 Utili ti f U d E4.Utilization of Unused Energy
5 Effective Use of Coal Resources5.Effective Use of Coal Resources
16
Utilization of Biogas to City Gas
We are demonstrating to refine crude biogas from sewage plant, control its quality to our request level and send it to city gas customers through our pipeline.
Customers
request level and send it to city gas customers through our pipeline.
Customers
Receive crude Biogas
Refine and Quality Control
Send out refined biogas
Kitchen
Bath
Pipeline Gas Quality Control
Approx. 0.8million m3/ Year ( equivalent to 2,000 households)
Surplus Biogas
Sew
age
Car fuel
Sewage sludge Biogas
17
Kobe City Higashi Nada Treatment plant
Generation and refining of digestive gas
City bus, etc.
Smart Energy Network
To introduce a large scale of renewable energy, Osaka Gas is developing an innovative energy system, “Smart Energy Network”, which could optimize social-wide energy management through cogeneration systems and energy network combined with a number of energy suppliers and consumers. For Specific Area: Heat adjustment among local customers through Thermal Network For Wide Area: Power adjustment among geographically dispersed power sources through Power Network Common to the Areas: Positive utilization of renewable energy (Power leveling by cogeneration systems)
Power Source for Adjustment<Wide Area>Power Supply
Photovoltaic Power Generation Power Network
Photovoltaic Power Generation
Photovoltaic Power Generation Thermal Network
Information and Telecommunication
Network<Specific Area>Heat Supply “Smart Energy Network”
Control System
【Business Customer】
GE
Thermal Network
GE
【Business Customer】Cogeneration
GE
Control System
Thermal NetworkThermal Network
18
【Business Customer】Cogeneration【Industrial Customer】
Cogeneration
GE
GE
Thermal Network
Thermal Network
Slide Only
Smart Energy Network
Osaka Gas is actually demonstrating “Smart Energy Network” system among several customers in Kansai area.
Photovoltaic Generation (Candidate)
Kakogawa Natural Gas Station (Old)
Idle land in front of Saito Station
Kousei Natural Gas Station (Old)
Beverage manufacturer AKRPElectric Power Testing Ground
(site for visualization) Kousei
CustomerBeverage manufacturer B
Cogeneration (Candidate)NTT head office
Kakogawa
Customer
Customer
Kyoto Research Park
NTT West headquarter office
Advanced Telecommunications Research Institute International
Iwasaki Energy Center(for power adjustment)
Research Institute International
Matsumoto Yushi-seiyaku Co., LtdHead quarter factory
Others (University, Factory etc.)
CustomerOsaka Gas head office
Smart Energy House
・ Smart Energy House could realize the optimization of the supply and demand of energy for household use including both electricity and heat, by the total management of three types of batteries (Fuel cell, solar cell and storage battery)types of batteries (Fuel cell, solar cell and storage battery)
・ ”Visualization of Energy” causes customers to make energy-saving activities andconsequently to review their own life styles.
A l bl t th iff f
Solar CellStorage Batteries
Apply renewable energy at the maximumImprove usage efficiency of energyControl output fluctuation of solar batteries
S ag a
Power
Heat
Power
Fixed Batteries
Electric Car
Fuel Cell
Heat
Power Heat
Highly efficient Use of
Battery
20Electric Load Thermal LoadFloor heating Hot water
Highly efficient Use of Heat and ElectricityElectric-powered Car
Smart Energy House
・Combining with storage battery improves availability of a fuel cell.・In the result, “further effective use of waste heat” and “Improvement of Power Generation Efficiency” can make CO2 emission amount reduced by approx. 84% compared to a conventional system.
Fuel Cell + Solar Cell Fuel Cell + Solar Cell +Storage Battery
Electricity generated by Solar Battery
Electricity discharged from Storage Battery
Electricity generated by Solar Battery
El t i it di h d
Pow
Pow
Use of Storage Battery
Uncontrolled Controlled
Fuel Cell operates at low output in the night.
from Storage BatteryElectricity generated
by Fuel CellPower Load
Electricity discharged from Storage Battery
Electricity generated by Fuel Cell
Power Load
Charging at late night
Discharging between late afternoon and evening
wer G
enerationC
wer G
enerationCapacity
(kWh)
Capacity
(kWh) )
21
Contents
1.Outline of Osaka Gas Co., Ltd.
2.Advanced Application of Natural Gas
3.Utilization of Renewable Energy
4 Utili ti f U d E4.Utilization of Unused Energy
5 Effective Use of Coal Resources5.Effective Use of Coal Resources
22
Application of LNG Cold Energy・LNG is a liquid at extremely low temperature of -160℃ and vaporized by the conventional method of heat exchange with seawater.・Osaka Gas has developed various applications to find more effective utilization of LNG cold p ppenergy.
LNG Cold Energy
Cryogenic Power G ti
<Facility of Cryogenic Power Generation > <Air Separation Unit>
Generation
Air Separation
Liquefied Liquefied Liquefied
COCO22 Emission ControlEmission Control::Approx.150,000 ton/YearApprox.150,000 ton/Year AchievedAchieved
Intake Gas Cooling (Gas Turbine)
BOG R li f ti
Liquefied Nitrogen
CryogenicCrushing
Liquefied Oxygen
Liquefied Argon
Re-liquefaction
Carbon Dioxide Liquefaction Dry ice
23
<Carbon Dioxide Liquefaction Facility>
Cold Energy Supply for Neighbor Facility
Effective Application of Gas Associated With Crude Oil by AATG
AATG is the process of producing synthetic gas (mixed gas of H2 and CO) from methane-based gas by applying an original catalyst developed by Osaka Gas.
GTLAATGAATGPP
FTsynthesis
※AATG:Advanced Auto Thermal Gasification
ProcessProcessMethanol
c
Methanolsynthesis
AATG R t
Ammonia
ynth
etic
Gas
Ammoniasynthesis
AATG ReactorNatural Gas
ChemicalsS
y Oxosynthesis
Reforming tubes
Furnace Burners
H2, CO, CO2
Refinement
24
Steam Methane Reformer AATG Reactor
Volume approx. 1/100
Effective Application of Gas Associated With Crude Oil by AATG
By means of AATG Process, GTL could be produced from wasted gas associated with crude oil especially on offshore oil platforms.
◆AATG Reactor can be designed simple and compact and is advantageous for plants on the ocean in which the space is limited
Flaring amount per year (in the world) : 150 billion m3
Equivalent to crude oil consumption in the world for 8 days or 5% of production amount of natural gas.
Conventional(disposed by flaring)
GTL Production of Gas associated with Crude oil
by AATG Process
limited.
CO2 emission by flaring: 300 million tons per year
y
Land
C i U
Separation of Oil and GasDisposal by Flaring
Gas Associated with Crude Oil to GTLSea
Sea
Source: JAPT
Offshore Oil Field Offshore Oil Field
Carrying UpStorage of Crude Oil Storage of Crude Oil
25Land
Land
Offshore Oil Field Offshore Oil Field
CO2 emission per year (by One FPSO ) 600,000 tons
CO2 emission per year 300,000 tons (-300,000 tons)GTL produced (Increased crude oil production) + 3,000 barrel/day
Light by flaring shown in red line circle
Sea
oil production) + 3,000 barrel/day(Oil field scale around 10,000 to 100,000 barrel/day)
Sea
Source: The World Bank Global Gas Flaring Reduction
Contents
1.Outline of Osaka Gas Co., Ltd.
2.Advanced Application of Natural Gas
3.Utilization of Renewable Energy
4 Utili ti f U d E4.Utilization of Unused Energy
5 Effective Use of Coal Resources5.Effective Use of Coal Resources
26
Development of CMM Concentration Technology
By applying the original adsorption technology developed by Osaka Gas, Coal Mine Methane (CMM), which was discharged in the air because of safety problem, could be utilized for fuel gas.u ed o ue gas
O2 / N2Condensed GasConcentration of th A 48%
Power Supplymethane Approx. 48%
Adsorbent strongly-
selected to methane Gas Tank
Supply
Gas Engine Generator
CMM
Vacuum Pump
Gas Boiler
Heal Supply
* The Global Warming Potential of methane is 21 times that of CO2.
Conventionally, CMM less than 30%
CMM Concentration of Methane
Approx. 21%Discharge in the air
CO i ff t b i t d ti f St d d i t (2 000 3/h)
Conventionally, CMM less than 30% concentration was discharged in the air without any effective application
Prevention of blow off to the excavation site
by prior extraction
27
CO2-saving effect by introduction of Standard equipment (2,000m3/h)► Reduction of Greenhouse gas: 40,000ton/Year (in CO2 Equivalent)
Development of CMM Concentration Technology
<Amount of discharged CMM>(in CO2 Equivalent/million ton)
ChiChina117.8
Rest of theworld145.0
U.S.A.56.2
Ukraine28.3
RussiaRussia29.0
Amount of discharge in the world= Approx. 380 million ton-CO2
28
Application of CMM concentration technology could greatly contribute to the reduction of Greenhouse effect gas.
Development of CMM Concentration TechnologySlide Only
2007~2008 : Technical demonstration of CMM concentration technology was completed in Fuxin Coal Mine in China.
2009 : 10 candidate sites were surveyed and Lu’an Area was selected in terms of commercialization.
【Technical Demonstration Site】
y2010 : Detailed feasibility study will be implemented in Lu’an Area.※All demonstrations are implemented with government subsidy.
【Technical Demonstration Site】
Location Fuxin City (China)
Name Fuxin Coal Mine
C it
<Appearance>
Capacity (Coal) Approx.6 million ton/year
Gas Recovery Approx.54million m3/year
Fuxin Coal Mine
【Selection of Commercial Demonstration Site】
Osaka Gas researched 10 coal mine areas in Lu’an Area
China.
O k G l t d L ’ A f 10 hi hOsaka Gas selected Lu’an Area of 10, which had an attractive business environment.
Slide Only
Development of CMM Concentration Technology
Employee : 3,000 staffsCoal Capacity : 5 3 million ton (2009)
<Yogo Coal Mine in Lu’an Area>
Coal Capacity : 5.3 million ton (2009)CMM generation :140 million m3/yearCMM concentration : avg.21%(min.19%) Completion : 2005
Planning area of CMM concentration facility
Production of Substitute Natural Gas from Low-Grade Coal
In terms of energy security, it is important to utilize unused resources. We are evaluating how feasible it is to make Substitute Natural Gas (SNG) from unused low-grade coal.
Production of substitute natural gas from coal gas into LNG
Coal
Synthetic gasH2, CO, CO2, CH4
H2O + CO → H2 + CO2
Shift Removal of
Removal of acid gas・CO2, H2S
Coal
Steam
O2
li
ShiftReactor
Removal ofAcid Gas
MethanationCO + 3H2 ⇆ CH4 + H2OCO2 + 4H2 ⇆ CH4 + 2H2O
Comp.
Steam cooling
Gasification furnace Methanaterash
CO2 SNG LNG Plant LNG
(Transport to Japan)Low-Grade Coal・The half of reserve
is low-grade coalg・Stable price
CCS EOR
31
(Carbon Dioxide Capture and Storage) (Enhanced Oil Recover)
Production of Substitute Natural Gas from Low-Grade Coal
Indonesia (East Kalimantan Island)
BEP l iBEP coal mine
Ilthabi Bara coal mine
Candidate site CO2-EOR
Bontan LNG plant
Mine at downstream of M h k i
ABK coal mine
32
Mahakam river
From : Research Report on Technology of Production of Substitute Natural Gas from Coal 2009
Thank you for your attention.
33