Digested sewage sludge is usually dewatered before disposal.
Once dredging begins, the canal sediment would have to be "dewatered" nearby, on barges or on land.
The flotation concentrate is then dewatered and filtered to produce a filter cake that is sent to a copper smelter.
Once the sand is dewatered, which should take two months, the Parks Department plans to use it to convert White Island off nearby Gerritsen Beach from a landfill site to grasslands.
The remaining sludge is then dewatered, or run through machines that remove excess liquids to make the stuff easier to handle.
Concentrates and tailings produced by the methods outlined above must be dewatered in order to convert the pulps to a transportable state.
In a typical case, the process begins with a sludge that has been dewatered to a DS content of some 15 percent.
Smaller streams were found to be completely "dewatered" by the demands of marijuana farming, while larger streams experienced substantial "flow diversions and increased temperatures".
Grown culture was concentrated and dewatered by gravity.
