What is Bioenergy?
Bioenergy is renewable energy made available from materials derived from biological sources. Biomass is any organic material which has stored sunlight in the form of chemical energy. As a fuel it may include wood, wood waste, straw, manure, sugarcane, and many other byproducts from a variety of agricultural processes.
So, Why do we produce Bioenergy?
One reason governments
Fermentation process of cheonggukjan
Soybeans 10 to 20 hours in the hot water
and put the litter
↓
After cooling, place a warm place until 60 ℃
↓
Bacillus bacteria causes fermentation by breeding
⇛ Composition of soybeans becomes changed by
Bacillus subtilis(natto), Bacillus licheniformis,
Bacillus megaterium
Changing of ingredient - PH
By Bacillus subtilis p
Abstract
Bioethanol is one of the alternative sources of oil resources which received attention with biodiesel. Many countries produce bioethanol from food sources such as corn and sugarcane, but it causes food-energy conflicts and farmland problem. So it needs to focus on new biomass which is sustainable, renewable, cost-effective and do not occurred any conflicts. Algae are one of the bioma
2. 2. Extraction
After the fermentation, the microorganisms(Alcaligenes latus) are filled with PHB in their body. These PHBs have to be separated from microorganisms to make final product. To separate PHBs from biomass, they are extracted from biomass by using solvent. These PHB extracted solvent will experience washing and drying process. After that, PHB can be precipitated as white powder.
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sugar crystallization, food irradiation, and adding preservatives or inert gases such as carbon dioxide. Other methods that not only help to preserve food, but also add flavor, include pickling, salting, smoking, preserving in syrup or alcohol, sugar crystallization and curing.
As the preceding paragraphs say, many kinds of food preservation technologies are around for preventing foods from the
D.I-WATER
INCI NAME : FURIFIED WATER
화학적 분류 : inoranic (무기물의)
분자식 : H2O
정의 :
나트륨, 칼슘, 철, 구리와 같은 양이온과 염소 브롬과 같은 음이온들, 즉 이온들이 결여되어 있는 물.
성상 및 특성 :
무색, 투명한 액체이며, pH는 7.0이다.
초순수는 이론상으로 18.31MΩ㎝까지 최고 저항력을 가질 수
- 김치 -
김치는 우리나라의 대표적인 전통적 발효 식품으로써 식이섬유소, 비타민, 무기질 등이 풍부한 우수한 식품이다. 김치의 종류로는 배추김치, 깍두기, 파김치, 고추김치, 갓김치, 동치미, 나박김치, 열무김치 등이 있으며, 같은 김치라 하더라도 지역마다 그 담그는 과정이 다르기 때문에 맛 또
extract), 설탕(sugar), 바닐라(vanilla), 코코아(cocoa), 멘톨(menthol), 카라멜(caramel), 클로로필(chlorophyll) 등이다. 반면 담배 내에는 아세톤(acetone), 메탄(methane), 크레졸(cresol), 나프탈렌(naphthalene), 시안화물(cyanide), 암모니아(ammonia), 벤조피렌(benzopyrene) 등의 수많은 독성물질이 함유되어 있는데 약 40여 종의 물질들