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Research on utilization for Biomass Source. Hachinohe National College of Technology ( HNCT) Department of Civil and Environment engineering Hasegawa Yuri. Content. Background and Purpose Research content ・ woody resources ・ BTL ・ potential quantity of woody biomass

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research on utilization for biomass source

Research on utilization for Biomass Source

Hachinohe National College of Technology(HNCT)

Department of Civil and Environment engineering

Hasegawa Yuri

content
Content
  • Background and Purpose
  • Research content

・woody resources

・BTL

・potential quantity of woody biomass

・proposal of utilization in Hachinohe

  • Conclusion
slide4

now

Woody biomass…

occurred on the seashore etc.

incineration and industrial waste treatment

・Prepare the Biomass plantation

obtain resource quantitatively

・Liquefied fuel generation technology

be changed into electric power and heat

We should use effectively

plan

keywords
Keywords

・Carbon-neutral

・Woody biomass

・The electricity generation

by biomass

investigation and examination content
Investigation andexaminationcontent
  • Estimation of potential amount of woody biomass resources in Aomori Prefecture
  • The feature of woody biomass power generation, and presumption of potential quantity
  • The feature of Biomass-to-Liquid technics (BTL), and presumption of potential quantity
  • Proposal what use in Hachinohe-city
woody biomass power generation
Woody biomass power generation

Energy potential quantity of trees or grass

= (Weight of a driftwood, pruning branch and

Grass cutting generate) × Net calorific value

× (1-Moisture content)

Net calorific value: Driftwood and pruning branch 10,390MJ/t

Grass cutting 13,950MJ/t

Moisture content: Driftwood and pruning branch 36.2%

Grass cutting 15.8%

1MJ=0.278kWh

co 2 emissions
CO2 Emissions

CO2Emissions (kg-CO2)

=Amount of power used (kWh)

×Emission factor (kg-CO2/kWh)

The Emission factor: 0.473 kg-CO2/kWh

aomori prefecture
Aomori Prefecture

Aomori office

Takase river

Aseishi dam

woody biomass recovery quantity and co 2 emissions
Woody biomass recovery quantityand CO2 emissions

The investigation of recovery quantity: 2000-2004 year

(track record for five years)

conclusion
Conclusion
  • It is important for Japan to use woody biomass as energy resources.
  • Aomori is blessed with nature and holds many forests. Exploitation of woody biomass resources is maintainable energy resources.
  • We should coexist with nature, which is important to utilization of them.