What's about？
"Biomass" is renewable organic resources, excluding fossil fuels.
Biomass includes farm prodacts, garbage, drainage, excrement, and waste oil.
We exprain about "biomass power system" on this page.
Transform
Biomass is used at solid fuel and gaseous fuel in power generation.
There are 2way to change to gas.
One of these is to use thermal cracking.
Another one is farment of methane.
Then I'll explain about Biomass Power System.
SteamTurbine
Burn the biomass in the boiler and emit steam.
And spin the turbine.
GasTurbine
Burn the gas and dash gas emitted to turbin.
GasEngine
Move engine from buning gas emitted by farment of methane.
MultipleCycle
Conbine with SteamTurbine and GasTurbine
Utility value
You'll wonder that "biomass power system" is same as "thermal power generation."
But "biomass power system" uses biomass, so there is no ill effects for environment.
Then you'll think that greenhouse gas raises when biomass is burned.
You're right.
But biomass cycle is short, so it come to nothing.
This idea is "carbon neutral."
Cost
According to the trial calculation of "Ministry of Economy, Trade and Industry","biomass power system" costs 12.5yen per 1kWh. Average cost of generating energy in Japan is 6.5yen per 1kWh, so "biomass power system" is expensive. But beside other renewable energy, it is cheap, so it is the easiest in renewable energy.
In future
In continuing the development of biomass energy are currently going on various issues.
One is the rise in food prices.
For this reason, it bacame increasing burden for developing countries.
So we should think about competition with foods.
Second, we should think about decreacing forests.
Deforestation is running to extend farmland.
Device to reduce greenhouse gases is becoming increasing greenhouse.
In the future, when we use biomass, we should solve cost phase as well as the above.
Though there are these problems, there aren't difficulties in renewable energy.