Digestion
Many sludges are treated using a variety of digestion techniques, the purpose of which is to reduce the amount of organic matter and the number of disease-causing microorganisms present in the solids. The most common treatment options include anaerobic digestion, aerobic digestion, and composting.
Read more about this topic: Sewage Sludge Treatment
Famous quotes containing the word digestion:
“The supposition that it was possible for any woman to be so mean-spirited as not at least to wish to tear out her rival’s eyes was too hard for the digestion of the Cry.”
—Sarah Fielding (1710–1768)
“Now good digestion wait on appetite,
And health on both!”
—William Shakespeare (1564–1616)
“My dear, if Mr. Carlyle’s digestion had been stronger, there is no saying what he might have been!”
—Jane Welsh Carlyle (1801–1866)