wastewater and recycled activated sludge are introduced typically at several points in the aeration tank. The organic load on the aeration tank, MLSS concentration, and oxygen demand are uniform throughout the tank. An advantage of the CMAS process is the dilution of shock loads that occur in the treatment of industrial wastewaters. The CMAS process is relatively simple to operate but tends to ha
Ⅰ. 서론
산업폐수 중 처리하기 어려운 폐수로 섬유, 피혁, 도금폐수 등을 들 수 있으며, 이 중 특히 배출 폐수량은 적으나 고농도이면서 난분해성 물질을 함유하고 있어 고도의 처리기술이 필요한 폐수가 색소를 함유한 폐수이다. 또한 하천에 방류될 경우 확산성이 매우 강하여 일광을 흡수하고 하천
Entrepreneurship &
Sustainability
Why Now?
David Y Choi, Ph.D.
AS A PARENT I AM WORRIED ABOUT THIS
Why did your generation destroy
the environmentand the world?
Professor David Y Choi
OR WORSE ?
Why didn’t you try to do something?
Professor David Y Choi
HOPEFULLY !
Thank you for making a
difference in my life!
Professor David Y Choi
AT LEAST NOT THIS
You sat on your ass doing nothing
the whole