Type 1701 bulking has occurred in an oxygen activated sludge plant operated at high F/M at a DO concentration of 12-14 mg/L, which was cured by raising the DO to 20 mg/L. As a rule, always trust the microscopic observation of low DO filaments to indicate oxygen limitation rather than the aeration basin DO values.
Salvation means being saved from certain death. Itâs in the Bible, âFor the wages of sin is death, but the gift of God is eternal life in Jesus Christ our Lordâ (Romans 6:23, NKJ). Jesus is the man offering the rope of salvation, and we are the ones doomed to die.alvation means being saved from certain death. Itâs in the Bible, âFor the wages of sin is death, but the gift of God is eternal life in Jesus Christ our Lordâ (Romans 6:23, NKJ). Jesus is the man offering the rope of salvation, and we are the ones doomed to die.
âSozoâ is the Greek word for salvation, yet itâs root meaning goes  beyond just the forgiveness of sins. According to Strongâs Concordance, Sozo also carries the idea of being physically healed of diseases and to be delivered from your enemy. In the spiritual sense, that enemy is the devil and his demons. Salvation, then, must mean more than simply being saved to go to heaven when you die.