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Waste management

Botkin and Keller Chapter 24 Reading Guide

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APES Chapter 24 Study Guide 1. What state is the Love Canal located? 2. Name the company that was responsible for dumping toxic and cancer-causing wastes into an old canal excavation called the Love Canal. 3. After Love Canal was abandoned, what was it sold and used for? 4. The Love Canal illustrates which of the following? ? that preventing pollution is safer and cheaper than cleaning it up ? that political officials are alert and sympathetic to their constituents ? that pollutants can be stored safely underground for a long time ? that polluting companies can escape from the costs and responsibility of their actions 5. The U.S. is about 5% of the world?s population and produces about what % of the world?s solid waste?

Incineration

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Further Application of Incineration ? new fuel cell Original fuel cell New fuel cell using incineration waste Waste : fly ash reason: high calcium content (66.8 wt% )for the formation of calcium phosphate hydrogel What is calcium phosphate hydrogel? a type of fast proton conductor, increase the efficiency of fuel cell Calcium phosphate hydrogel (a) Incineration fly ash + phosphoric acid (b) mixture of K2CO3 and CaCO3 reagents (c) CaCO3 reagent Performance of new fuel cell Performance of new fuel cell The performance of the fuel cell containing calcium phosphate hydrogel synthesized from incineration fly ash is almost equal to that of the fuel cell containing a hydrogel membrane obtained from other reagents

APES 10th edition Chapter 18 questions

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Chris Nowak 3/22/13 Ch. 18 Paper, yard waste, metals, plastics, food wastes, glass, wood, rubber, other. 30.6% recycling, 14% combustion, 55.4% landfills leachate generation and groundwater contamination, methane production, incomplete decomposition, settling. The things listed above damage and harm the environment. For example, groundwater contamination lessens the availability for drinking water. Everyone wants to get rid of the waste, but nobody wants to take the waste. We must recycle more and conserve our resources. Good: Easy conversion, lessens weight, and resource recovery.?Bad: Air and odor pollutant, wastes energy and resources.

Biomass Powerpoint

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Biomass ? Organic Matter One of our oldest energy sources. Gets energy from the sun-photosynthesis Renewable Three types are used today Wood and agriculture products Solid Waste Landfill gas and biogas What is it? ? How Does it Work? ? Mainly used for Electricity - 14% Heat- 1/10th of homes Fuels - 15% Industrial - 55% What Does it Do? ? Can be sustainable Paper and saw mills But? Like anything can be overused Cost How Realistic is it? ? Promising Comes from many different sources Usually our waste Can be used for a lot Has a few disadvantages Releases carbon dioxide Future? ? What is the purpose that biomass is used for the most? Where does biomass get its energy from? Is biomass better environmentally and economically than coal? How?
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