in an aerobic aquatic environment.
Purpose: to remove settleable organics and floating scum (grease and oils).
Efficiencies:
Suspended solids 50 – 65%
BOD 30 – 35%
Primary clarifiers are either circular or rectangular. They are very similar to sedimentation basins used in water treatment except that scum removal is always provided in addition to sludge collection.
tank reactor. Settled 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 o
1. 무역회사 설립
★ 우리는 무역을 하기 위하여, 무역회사를 우선 설립하고 무역업 신고를 하기로 하였다.
1. 무역업이란?
상품의 매매활동 중에서 국경을 넘어서 하는 거래, 즉 수출입을 담당하는 산업의 한 분야.
일반적으로는 개인이나 기업이 이익을 얻을 목적으로 무역업을 하는데, 이처럼 자
water flow direction, inlet locates downside and outlet locates upside.
Through this, we can know that axial impeller is not suitable. Also, because of wide width of tank, it has poor mixing.
Second, there is a problem with chemicals. PAC is injected with Cl2, so activation of Cl2 must be restricted.
Also, using alum may cause settling.
Alum lowered pH in localized area. To overcome this
현재의 중고가 가격을 사용하므로 보정 필요 없음.
- Methanol distillation column(T-101) → 중고매물 가격 → 120백만원
- Water washing column(T-201) → 중고매물 가격 → 20백만원
- Distillation Tower to separate FAME(T-301) → 중고매물 가격 → 50백만원
- Distillation Tower to separate glycerol(T-401) → 중고매물 가격 → 13백만원