pollutant into water and carbon dioxide gas and thus makes the stream water clean. The facility, which has a capacity of 32000t/day, was installed to clean the upstream water to improve the water quality in Yangjae stream. Due to the system, the water quality improved from level 5 to level 2~3 and this plays an important role in restoring the ecosystem.
Secondly, vegetation revetment technique
1. Development of petroleum
Demand is increasing.
Reduce risk of dependence on Middle East.
Development of petroleum
Up stream
Development
Drilling
Production
Down stream
Transportation
Oil refining
Sale/Market
적합한 식물종
- 정수식물: 갈대, 줄, 애기부들, 미나리, 창포, 노랑꽃 창포 - 침수식물: 검정말, 이삭물수세미
- 부엽식물: 수련, 마름
- 부유식물: 개구리밥, 좀개구리밥
지속적으로 안정적인 정화효율을 유지하기 위해서
지역 특성에 적합한 토종식물을 발굴하고 적용하는 노력 필요
(만초천은
The manufacturing process of the lactic fermented milk
The manufacturing process of the lactic fermented milk is classified as following below.
1. Manufacturing process of milk (Up & Midstream.)
Skim milk (milk) puts into dissolution tank and U.H.P(a high temperature sterilizer) then transfer into cultivation tank. It transfers to be homogeneous and remove the microorganism aga
pollution. Dumping waste materials from human activity into rivers and streams is popular because the waste seems to disappear downstream. The main sources of water pollution are factory waste, oil and gas runoff from highways, and untreated human waste. When this waste dumped into rivers, the water downstream becomes undrinkable and unusable for agriculture, and also kills plant and animal life