22. 10 Medical Waste Management: The health care industry in the United States g

Question

22. 10 Medical Waste Management: The health care industry in the United States generates roughly 460,000 tons of medical waste annually, and this amount has been growing recently due to efforts to prevent the spread of infectious diseases [20]. In the past, medical wastes such as contaminated paper and glass have been disposed of through incineration or being buried in a landfil. New toxic air emissions standards and regulations on landfill development have led engineers to investigate altemative methods of dealing with the increasing volumes of medical waste. These new disposal methods place an emphasis on reducing waste volume and keeping emissions from combustion very low or eliminating them all together. a. Discuss possible environmentally friendly ways of medical waste containment and disposal. Can medical waste be destroyed with "zero" air emissions? How? Is recycling a possibility in the medical field? Is it a dangerous concept? If not, how about infectious diseases? b.

Explanation / Answer

Question #3 Bailing

Balers compact waste into Blocks which can be stacked at a landfill or “balefill”. The

blocks of waste that come out of balers vary in size and weight depending on how big of a

baler you have. they are designed to sort the waste so that no cross contamination occurs. even the specialised compactors are able to extract valuable oils and liquids from the waste materials.

how balers work - In a nut shell of bailing machine staff will place the loose material into the baler via an opening and that leads to a chamber where the waste material accumulates and when full the machine is switched on and the pressing plaste crushes the maetrial to the bottom once compacted waste is accumulated it is ready to make into a small bundle called bale.

question # 5 ELUTERAION : is a process for separating particles based on their size, shape and density, using a stream of gas or liquid flowing in a direction usually opposite to the direction of sedimentation. This method is mainly used for particles smaller than 1 m.

QUESTION # 6 Most kinds of minerals require coating with a water repellent to make them float. By coating the minerals with small amounts of chemicals or oils, finely ground particles of the minerals remain unwetted and will thus adhere to air bubbles. The mineral particles are coated by agitating a pulp of ore, water, and suitable chemicals; the latter bind to the surface of the mineral particles and make them hydrophobic. The unwetted particles adhere to air bubbles and are carried to the upper surface of the pulp, where they enter the froth; the froth containing these particles can then be removed. Unwanted minerals that naturally resist wetting may be treated so that their surfaces will be wetted and they will sink.

QUESTION # 10 CHEWING GUM IS A BIO POLYMER IT IS THE COMMON COMPONENT USED IN THE FOOD STUFFS

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