A Mini Review on Prevalence of Protozoan Cysts in Sewage Sludge
Journal Title: International Journal of Engineering and Science Invention - Year 2017, Vol 6, Issue 10
Abstract
ThePioneering spirit should continue, not to conquer the planet or space, but rather to improve the quality of life. The uncontrolled sewage discharges and the poorly managed wastewater treatment plants are the two major source of water pollution and risk of infectious diseases transmission. It is the order of the day that we need to think of permanent solution of safe disposal methodology for wastewater sludge and mitigate the health risk form it. The importance of microbiological and parasitological criteria for controlling the contamination of recycled water and sludge generated thereby has been repeatedly emphasized. In industrialized countries, the most common human parasitic protozoa transmitted by water belong to the genera Giardia and Cryptosporidium. Cryptosporidium and Giardia are infectious protozoan parasites capable of causing gastrointestinal illnesses in both animals and humans. The release of contaminated effluents into the environment could increase the risk of human infection with these Pathogens. This study provides evidences that Cryptosporidium oocysts and Giardia cysts are present in the raw sewage sludge and the treated sewage sludge, which is the end product from wastewater treatment processes with the negative consequences for public health. Also, the various methods for sludge treatment and its efficiency in safely discharging the sludge into environment are being discussed.
Authors and Affiliations
Mr. Yashas S R, Dr. T H Udayashankara
Keywords
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