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:
“He hopes it is no other
But for your health and your digestion sake,
An after-dinner’s breath.”
—William Shakespeare (1564–1616)
“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)
“Memory is like a purse,—if it be over-full that it cannot shut, all will drop out of it. Take heed of a gluttonous curiosity to feed on many things, lest the greediness of the appetite of thy memory spoil the digestion thereof.”
—Thomas Fuller (1608–1661)