moisture has been expelled and the coal has reached a rank of subbituminous (Rightmire, 1984).
After the coal’s temperature has exceeded 122 degrees Fahrenheit due to the geothermal gradient and excessive burial, thermogenic processes begin to generate additional carbon dioxide, nitrogen, methane and water. At this point the amount of hydrocarbons or volatile matter has increased and the coal
Problem of
original process
There exists under ground Pit as a previous
car-press factory before present establishment.
Moisture resulted from inner underground pit goes up to the factory and results serious faulty of semiconductor component !
Previous solution
Install ventilation fan and emit inner humid air
so that solve the problem.
New solution
Sim
first, we will introduce about the 아모레퍼시픽
AMOREPACIFIC CORPORATION is a brand of cosmetic.
아모레퍼시픽 is established in June 1 2006. It has 39% of Domestic market share the Number 1 cosmetic brand in Korea.
it is intent on Sustainability management
it has a goal that is to be global Top 10 cosmetic brand until 2015
In the future global cosmetics market, the advanced ec
3. Investigation
⑴ What is biofilter?
- Technology processed gas pollutants by biological methods, immobilized on porous carrier by the metabolic activity of microorganisms decompose into harmless substances
- Depending on the configuration and operation of the device, it can classify as Biofilter, Biological Trikling Filter, Bioscrubber and Air Lift Bioreactor
Example of use of Biof
Digestion tank production gas is a biogas produced by artificial anaerobic digestion of organic wastes with bacteria in the digestion tank. This can be divided into mergence gas which produce bio-gas by putting more than two of them together, among the organic waste gas, waste water gas, livestock· sewage gas, sewage sludge gas, depending on the type of organic waste. Because they are artificial