Chapter Questions week 5 brehm

Chapter Questions week 5 brehm - 1 Chapter Questions...

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1 Chapter Questions Kathleen Brehm SCI 207 Instructor: John Gomillion 07:05:53 Chapter Questions
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2 Chapter 13 5. Describe some concerns about waste incineration. There are health concerns associated with the incineration of garbage. Particles of airborne ash contain high levels of chemicals such as dioxin; lead, furans, and cadmium are only a few which may potentially cause lung cancer. Incinerators must also compete with recycle programs for paper, plastics, and other materials which could be recycled and reused and initial construction costs are higher for a typical facility. 6. List some benefits and drawbacks of recycling wastes. What are the major types of materials recycled from municipal waste, and how are they used? There are many different benefits and drawbacks to recycling. Recycling reduces the pressure on landfills and incinerators, reduces the demands for raw materials, and reduces energy consumption, air pollution, and litter. While recycling saves money, energy, and space, there are also drawbacks. Contamination is a major obstacle in plastic recycling as well as wild fluctuations in commodity prices which make it harder to develop a market for recycled materials. Transportation of products and storage of used plastics is more expensive than the price of virgin plastic made from oil. Municipal waste is defined as trash or household garbage. Much of our regular household waste can be recycled over and over again. The major types of recyclable are paper, glass, tin cans, aluminum, and plastic. These materials are usually processed into raw material such as fibers and remanufactured into new products. Plastic materials are processed into food packaging, remanufactured plastic products, polyethylene bins and bags, PVC sewer pipes, flooring and window frames, building insulation board, fleece, fencing, garden furniture, fiber filling for
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3 sleeping bags and many more products. Aluminum and tin cans are forever recyclable. They are often processed into auto and construction materials and recast into new tin cans. Most bottles are recast into new bottles and jars. Paper products are recycled into paper bags, office and notebook paper and paperback books and Christmas wrapping paper. 10. What materials are most recycled in the United States?
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This note was uploaded on 08/01/2011 for the course ENG 122 taught by Professor Banks during the Spring '10 term at Ashford University.

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Chapter Questions week 5 brehm - 1 Chapter Questions...

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