Some words explained
The main compound of vinegar apart from water.
The adhesion of atoms, ions, or molecules from a gas, liquid, or dissolved solid to a surface.
The water that has passed through a water treatment plant and is ready to deliver to customers.
The process by which fine particles are caused to clump together into a floc. The floc may float to the top of the liquid, settle to the bottom of the liquid, or be readily filtered from the liquid.
Water found in the environment that has not been treated and does not have any of its minerals, ions, particles, bacteria, or parasites removed.
Filters often used to pretreat water by removing suspended solids from the water that could rapidly clog a slow sand filter.
Hypogeal biological layer formed on the surface of a slow sand filter. The schmutzdecke is the layer that provides the effective purification in potable water treatment, the underlying sand providing the support for this treatment layer.
Slow Sand Filtration
This process percolates untreated water slowly through a bed of porous sand, with the influent water introduced over the surface of the filter, and then drained to the bottom.
Also know as sodium carbonate, is used in the softening of water by neutralizing the pH in the water.