household sewage‚ both runoff (effluents) and domestic. It includes physical‚ chemical‚ and biological processes to remove physical‚ chemical and biological contaminants. Its objective is to produce an environmentally-safe fluid waste stream (or treated effluent) and a solid waste (or treated sludge) suitable for disposal or reuse (usually as farm fertilizer). Using advanced technology it is now possible to re-use sewage effluent for drinking water‚ although Singapore is the only country to implement
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Construction Waste Management in Sri Lanka Waste Generated by the Construction Industry Waste is best defined as any material by-product of human and industrial activity that has no residual value‚ but construction industry’s waste has a residual value and is avoidable. Hong Kong polytechnic (1993) defines construction waste as the “by product generated and removed from construction‚ renovation and demolition work places or sites of building and civil engineering structures”. Types of
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Case 4.4 Waste Management‚ Inc. Question 1 Three conditions are often present when fraud exists. First‚ management or employees have an incentive or are under pressure‚ which provides them a reason to commit the fraud act. Second‚ circumstances exist - for example‚ absent or ineffective internal controls or the ability for management to override controls – that provide an opportunity for the fraud to be perpetrated. Third‚ those involved are able to rationalize the fraud as being consistent with
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------------------------------------------------- Space exploration is a waste of money Against space exploration Science may well give us good things. We all know Velcro came from NASA. But why bother spending all this money exploring space and finding out there was water on Mars at some point in the last few thousand years (we have water in Earth) when these same great minds could be applied to finding better ways to power humanity’s insatiable desire for energy‚ to feeding the starving millions
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PYROLYSIS OF SOLID WASTE ABHISHEK BARMAN(1RV11CS004) ABHILASHA (1RV11CS003) INTRODUCTION Pyrolysis is a thermo chemical decomposition of organic material at elevated temperatures in the absence of oxygen (or any halogen). It involves the simultaneous change of chemical composition and physical phase‚ and is irreversible. The word is coined from the Greek-derived elements pyro "fire" and lysis "separating". Pyrolysis is a type of thermolysis‚ and is most commonly observed in organic materials
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Waste Water Lifting Point Lift Stations‚ or Pump Stations are known as the structure that are used to "lift" liquid uphill - against gravity. They are the essential component of a wastewater collection system which takes wastewater from residents and businesses in a community and pumps it to a sewage treatment plant. They are equally essential in moving "potable" water from a water treatment plant up to one or more reservoirs‚ so that clean water can flow by gravity to the community. Waste water
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Effect of Animal waste as a fertilizer for making the soil development INTRODUCTION Our country is an agricultural land. That’s why farmers here in our country‚ agriculturist and scientist discover a lot of ideas on how to improve or to develop a better agricultural land. For this research‚ this topic is all about animal waste of animals is use as an alternative fertility of soil development. Fertilizer is any organic or inorganic material of natural or synthetic origin that is added to soil
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Waste Management Scandal Dean Buntrock established Waste Management‚ Inc. in 1968. Its main purpose is to pick recycling and garbage up from residential housing and businesses. WM also disposes of the garbage in landfills. It has grown to be the largest garbage disposal company in the U.S. today. This company has managed to survive “one of the most egregious accounting frauds we have seen” said Thomas C. Newkirk of the SEC. This accounting scandal lasted from 1992 to 1997 and was the result
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Cleaning up our town Our rivers and lakes are polluted. That’s because people throw litter everywhere they want‚ factories dump their industrial waste near lakes and rivers. If people pollute our ground‚ everything will go to groundwater and we can’t drink that‚ nor can we swim in our body of waters. We have to do something. Firstly we should organise a clean up campaign. We have to encourage people‚ that volunteering is good. If we get together many people‚ we can clean up rivers‚ lakes‚ and sides
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Human waste The Ganges river basin is one of the most fertile and densely populated regions in the world and covers an area of 1‚080‚000 km2 (400‚000 square miles). The river flows through 29 cities with population over 100‚000; 23 cities with population between 50‚000 and 100‚000‚ and about 48 towns.[6] A large proportion of the waste in the Ganges is from this population through domestic usage like bathing‚ laundry and public defecation. Industrial waste[edit] Countless tanneries‚ chemical plants
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