Firing people after the probation period against their will requires a good reason to do so, but on the first day of your employment, the employer wonÂ´t be sure if he really wants to hire you at all. So, during the probation periond, there is a shortcut to get rid of you.
Aerated lagoon. An aerated lagoon or aerated basin is a holding and/or treatment pond provided with artificial aeration to promote the biological oxidation of wastewaters. There are many other biological processes for treatment of wastewaters, for example activated sludge, trickling filters, rotating biological contactors and biofilters.
A description of the sewage treatment process. Bacteria is added to the sewage, and oxygen is forced through the mixture. The bacteria consume all the food and nutrients in the sewage.The mixture is then left in still tanks where the bacteria settle to form sludge.The remaining water is almost pure and can be returned to a river.acteria is added to the sewage, and oxygen is forced through the mixture. The bacteria consume all the food and nutrients in the sewage. The mixture is then left in still tanks where the bacteria settle to form sludge. The remaining water is almost pure and can be returned to a river.