منابع مشابه
Non-conventional Sewerage
Conventional wastewater collection systems are installed to remove human wastes from households in cities and urban areas. This system demands high water supply rates as the wastes are flushed through pipes using water that flows under gravity. This system is capital extensive, and has been found to be not suitable in urban areas with smaller population sizes. Also, for the same reason, not sui...
متن کاملSynchronous municipal sewerage-sludge stabilization.
A study on a pilot plant accomplishing synchronous municipal sewerage-sludge stabilization was conducted at a municipal sewerage treatment plant. Stabilization of sewerage and sludge is achieved in three-step process: anaerobic reactor, roughing filter and a microbial-earthworm-ecofilter. The integrated ecofilter utilizes an artificial ecosystem to degrade and stabilize the sewerage and sludge....
متن کاملLandmark-Based Autonomous Navigation in Sewerage Pipes
We describe a method for an autonomous mobile robot to navigate through a system of sewerage pipes. Landmarks signalling positions in the pipe system have to be detected and classi ed, where classi cation is allowed to be unreliable. Self localization is interpreted as a partially observable Markov decision problem and solved accordingly. The method is implemented and used on a prototype robot ...
متن کاملFrequency of HEV contamination in sewerage waters in Pakistan.
INTRODUCTION Enteric viruses, including Hepatitis E virus (HEV), are able to persist under environmental conditions and may cause public health problems by contaminating natural and drinking water resources. Routine procedures for monitoring viruses in water samples have not been established for the water microbiology screening panel. METHODOLOGY Eighty-six raw sewerage samples were collected...
متن کاملCoprology and Caste: The Status of Sewerage in Ahmedabad, India
This paper traces the relationship between the development of Ahmedabad’s sewerage system and the caste structure, examining how sanitation technology threatened caste politics, as well as how the caste system modified the way sewers were used and maintained. It looks at how sewers came to be understood as markers of legitimacy, sophistication, and moral citizenship through the notion of the “c...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nature
سال: 1878
ISSN: 0028-0836,1476-4687
DOI: 10.1038/019053d0