PPT-Microbiology of sewage and sewage treatment

Domestic sewage contains enormous quantities of microorganism Bacteria counts in raw sewage may be expected to range from 50 000 to 5 000 000 ml In the presence od adequate food and oxygen bacteria will reproduce as illustrated in the figure below . Sewage is itself an odorous substance which requires treatment quickly so that it does not decay within the treatment process which could increase odour levels As part of the recent upgrade works at Crossness STW several new odour control systems to

\n US Patent No. 235910:1880 of Isaac Shone for Pneumatic Sewage Ejector Sheet 1 US Patent No. 235910:1880 of Isaac Shone for Pneumatic Sewage Ejector Sheet 2 Shone Ejector used in s Point Source of Polluted Water in Gargas, France. Is Bottled Water the Answer?. U.S.: some of the cleanest drinking water. Bottled water. Some from tap water. 40% bacterial contamination. Fuel cost to manufacture the plastic bottles. Sr. No.. Wastewater. Year. 1979. 1994-95 (?). 2007 (?). 1. Generated, mld. 7,007. 16,271. 35,558. 2. Collected, mld. 4,307. 11,938. ?. % of Generated. 62. 72. ?. 3. Not Collected, mld. 2,700. 4,333. ?. Social implication of increase in the world population. Resources affected on planet …..?. Population explosion. . Renewable resources:. Non- renewable resources:. Renewable and non renewable resources. OSEs/PEs. VDH . Operators. Septic contractors. Local government. Property owners. Well drillers. Homebuilders. Manufacturers. Realtors. Dwayne Roadcap. Division of Onsite Sewage, Water Services,. Environmental Engineering, and Marina Programs . we pour . down the drain. What happens to all that stuff?. In . answering the above question, keep in mind the . first law . of thermodynamics, the bit about neither . being created . nor destroyed but changing from one form . Section 20-1. WHAT ARE THE CAUSES AND EFFECTS OF WATER POLLUTION?. Water pollution comes from point and nonpoint sources. Water pollution is any change in water quality that can harm living organisms or make the water unfit for human uses such as irrigation and recreation. . Microbes. Microbes In Household Products. Microbes In Industrial Products. Microbes In Sewage Treatment. Microbes In Production Of Biogas. Microbes As . Biocontrol. Agents. Microbes As . Biofertilisers. Trends in Texas . by John R. Blount, PE, LEED AP, Director . Harris County Architecture & Engineering Division. A . BILL TO BE . ENTITLED AN . ACT. Relating . to the permitting . of certain small commercial development and county park sewage collection, treatment. . Presented by: Cherine Akkari. . EVSC243- Special Topics in Environmental Sciences. Instructor: Dr George Mitri. Through efficient sewage treatment, our Sewage Treatment Plants (STPs) assist you in contributing to the environment. Our STPs are available in Pune and Maharashtra. Centre for Science and Environment 41, Tughlakabad New Delhi-110062 The discharge of untreated sewage and the ensuing bacterial contamination of surface water bodies pose a health risk in its reuse, .. Is the waste water from a community, containing solid and liquid excreta derived from housed, street and yard washings, factories and industries. Resembles dirty water with unpleasant smell.. Sullage.