asia-pacific economic cooperation (apec) egnret 52 …
TRANSCRIPT
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ASIA-PACIFIC ECONOMIC COOPERATION (APEC)EGNRET 52 Meeting
Waste to Energy in Urbanized Cities
Date: 21 March 2019
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2
Ir Duncan WongCEng FHKIE FIGEM MBAThe HK & China Gas Co. Ltd.
Ir Dr. PL YuenFHKIE, FCIBSE, FIHEEMHospital Authority, HK
First Landfill Gas CHP System in HK Hospital(Renewable Gas Application)
X
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Towngas Vision and Mission
Our Vision:
To be Asia’s leading clean energy supplier and quality service
provider, with a focus on innovation and environmental-friendliness
願景以創新和環境保護為本,致力發展成為亞洲首屈一指的潔淨能源供應商及優質服務商
Our Mission:
To provide our customers with a safe, reliable supply of energy and
the caring, competent and efficient service they expect, while
working to preserve, protect and improve our environment
使命為客戶供應安全可靠的能源,並提供親切、專業和高效率的服務,同時致力保護及改善環境
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The Hong Kong & China Gas Co. Ltd
Based in HK since 1862
1.9 MCustomer base
275,000Appliances sold
per year
3600 kmGas supply network
99.99%Uninterrupted
gas supply
Business in HK:
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The Hong Kong & China Gas Co. Ltd
Extend business to China since 1994
50,000Staffs in HK & Mainland
256 projects in 26 provinces
3natural gas
filling
stations10Distributed
energy
projects
15Other
businesses
Business in China:
13Tele-
communication
65new energy
exploration &
utilization
143piped city-gas &
midstream projects
7water supply &
wastewater
treatment
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Hospital Authority
Caring for our community’s health:
Putting people first:
With the vision of helping people stay healthy, HA ensures that all
members of the community have access to comprehensive, affordable,
highly professional and people-centred preventative, curative and
rehabilitation healthcare services.
Since 1990
43Hospitals &
institutions
122Out-patient
Clinics
76,000Workforce
28,000beds
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Towngas Service for Hospital Authority
In the past years, HKCG had been working very
closely with Hospital Authority:
• Serving 43 public hospitals and 122 clinics in
Hong Kong
• Total Energy Service Provider – energy
consultancy & design, gas equipment supply,
installation and testing & commissioning service
• Gas utilization includes: steam generation,
water heating, dehumidification, space heating,
pool heating, catering & Combined heat &
Power (CHP) Project
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Green Journey of Towngas
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Methane has 22 times the Global Warming Potential than carbon dioxideOn the other hand, Methane is a Clean Fuel for electricity generation.
NENT Landfill (Ta Kwu Ling) SENT Landfill (TKO)
3500 tonnes of food waste per day
Large Surplus of Landfill Gas
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Nethersole Hospital is close by NENT Pipe Line
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CHP is an energy efficient technology that generates electricity
while captures the waste heat as thermal energy to produce steam or hot water for space heating, cooling, domestic hot water and industrial processes.
Hospital has demand in both Heat & Power
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1 x 999kWe OutputLandfill-Gas Generator
[MWM Germany]
Steam Supply
Waste Heat Boiler
Steam Output
524 kW Jacket Hot Water
(Eff. = 21%)
Chiller
Electrical Power
999 kW
(Eff. = 40%)
2,500 kWLandfill Gas
Input(~50 TJ/Yr.)
Potable / Non-PotableHot Water
H/W TanksHeat Exchanger
651 kWExhaust heat
(Eff. = 26%)
+
Non Essential Load
CHP System at Nethersole Hospital
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Off Grid (Island Type) Chosen
On Grid Connection Off Grid Connection(Island Type)
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CHP System Installation
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Real-Time Monitoring
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Landfill Gas50 TJ/yr
Steam14 TJ/yr
Hot Water6 TJ/yr
Electricity20 TJ/yr*
* ~25% of Total Electricity Usage for Nethersole Hospital
Project Milestones :Kick Off : 2009Confirm Deal : Jan2015Plant Completion : Jul2016Opening : Jan2017
Deliverables of CHP System
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Amount of pollutants generated per unit energy consumption
CO2(ton/TJ*)
141.7 65.1 0.0
Power
Company Towngas Landfill
The source of above data: Power Company Sustainability Report 2017For town gas, Carbon Audit Guidelines by CityU in 2013 and Towngas Sustainability Report 2017* - 1TJ equivalent to 277,800kWh
Innovative ProjectUsing Landfill Gas is Very Green
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Saving of
$2.7M/yr in
Energy
Cost
3
Tangible Benefits For Hospital Authority
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Benefits of CHP System
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More than 300 submissions from 大埔中小學 participated!
Landfill
Electricity
HW
Steam
Social Engagement – Promotion to Public : Wall Painting Design Competition「齊來愛環保」外牆設計比賽
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CHP System commenced on 27 Jan 17at Tai Po Nethersole Hospital
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2017
2018
Business for Social Good
Award
Energy Project of the Year AwardGold Award2018
This Commercial Viable Project received well-recognition from Local and Overseas
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Potential Usage
Data Center
Hotel
Hospital
Industrial
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Thank you!