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.
Religion usually has to do with man's relationship to the unseen world, to the world of spirits, demons, and gods. A second element common to all religions  is the term salvation. All religions seek to help man find meaning in a universe which all too often appears to be hostile to his interests. The world salvation means, basically, health. It means one is saved from disaster, fear, hunger, and a meaningless life.