sludge pump การใช้

The German Embassy in Lagos has reportedly been approached to assist with a sludge pump to help recover the fuselage.
The heavier bottom sediment layer is removed by a chain and flight scraper ( or similar device ) and a sludge pump.
The solids that are produced in the digesters is then pushed through the main sludge pumps and is dumped 17.5 miles away in Kearny Mesa where it is stored and centrifuged.
Typically, the oil layer is skimmed off and subsequently re-processed or disposed of, and the bottom sediment layer is removed by a chain and flight scraper ( or similar device ) and a sludge pump.