Sewage sludge treatment describes the processes used to manage and dispose of sewage sludge produced during sewage treatment. Sludge is mostly water with lesser amounts of solid material removed from liquid sewage. Primary sludge includes settleable solids removed during primary treatment in primary clarifiers.Secondary sludge separated in secondary clarifiers includes treated sewage sludge from secondary treatment bioreactors.ludge is mostly water with lesser amounts of solid material removed from liquid sewage. Primary sludge includes settleable solids removed during primary treatment in primary clarifiers. Secondary sludge separated in secondary clarifiers includes treated sewage sludge from secondary treatment bioreactors.
The general manager is also normally the person who hires and fires the coaching staff, including the field manager who acts as the head coach.In baseball, the term manager used without qualification almost always refers to the field manager, not the general manager.n baseball, the term manager used without qualification almost always refers to the field manager, not the general manager.
Essentially, an MLB manager is equivalent to the head coach in other North American sports leagues. One main difference is that in baseball, the team manager wears the same uniform as the players and is even assigned a number. That being said, managers get paid nowhere near the amount that star players are making. However, just like players, managers on teams with bigger payrolls tend to be paid more.