Problem in Wastewater Treatment

Problems in wastewater treatment is sometimes difficult to avoid, because the sewer sometimes spend the rest of the remaining unfinished process, as can be seen in the following figure.

In the case of waste water treatment as in the example above is because in the process gas to produce gas that can not be disposed of properly, as a result of dissolved gas which still produces a foam that comes out through a hole that available along the sewer.

Some of the foam coming out are solids that eventually harden in the hole channel slits. Some other foam may expel to the end of disposal, its mean can disturb our environmental.