The Science of Waste
eBook - ePub

The Science of Waste

  1. 264 pages
  2. English
  3. ePUB (mobile friendly)
  4. Available on iOS & Android
eBook - ePub

The Science of Waste

About this book

Waste can be defined as something no longer wanted, something destroyed, broken, or damaged beyond repair and therefore disposed of or simply thrown away because it is no longer functional, needed, or wanted. However, the focus of this book turns to the question: is waste always really a waste? Stated differently, waste is not a waste if it can be recycled in some form or the other. This book examines all types of waste and their impacts, and discusses the potential ways to mitigate them through recycling and reuse strategies.

Features:

  • Addresses agricultural, biomedical, chemical, construction, hazardous, human, municipal solid waste, and more.
  • Explains the fundamentals for waste recycling and reuse.
  • Examines the current state of ocean pollution as well as the latest international regulations.
  • Covers the life cycles of consumer electronic products, and their related metals and minerals, which are increasingly a major source of "E-Waste"

The Science of Waste is intended to be used by environmental scientists and engineers, public health officials, legal professionals, students, and instructors interested in waste, as well as the management and reuse thereof.

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Information

Publisher
CRC Press
Year
2021
Print ISBN
9781032172149
eBook ISBN
9781000518092

1 Waste by Any Other Name?

DOI: 10.1201/9781003252665-1
As described in the preface of this work, “waste” is defined as something no longer wanted, something destroyed or broken or damaged beyond repair, and therefore disposed of or simply thrown away because it is no longer functional, no longer needed, and/or no longer wanted. It is important to point out that “waste” is known by many names; many of them are described and discussed in this book. However, before listing the most common types of “waste” it is important to use an example of what waste can be when a product or material is not damaged but instead is necessary to dispose of. Consider, for example, the following factual account of when something treasured or wanted is discarded.

Frontier Mentality

It was one of the most famous trails ever. It was the longest overland trail in North America. In 1843, Americans were encouraged by the U.S. Government to travel the 2,000 miles from Independence, Missouri, to their final destination in the Oregon Territory to homestead the land. By settling the land with more Americans than British, Oregon would belong to the United States.
The 2,000-mile trek to Oregon Territory was no walk in the woods; it was a Great Migration of hordes of people traveling in covered wagons over mostly uncharted lands and trails (or so this was the case early on). The seemingly endless lines of prairie schooners snaked their way along the trail for more than six months before they arrived at their destinations.
The pioneers took what they could carry in their wagons. For example, it was not unusual for each wagon to be loaded with food that included: yeast for baking, crackers, cornmeal, bacon, eggs, dried meat, potatoes, rice, beans, and a big barrel of water. They would also take a cow if they had one. Pioneers made their own clothing, so they brought cloth to sew, needles, threads, pins, scissors, and leather to fix worn-out shoes. They had to make their own repairs, so they brought saws, hammers, axes, nails, strings, and knives.
Occasionally, and against the advice of the wagon master, pioneers would also pack away personal treasures—heirlooms such as pianos, family trunks and furniture, mirrors, assorted chinaware, silver, paintings, and other decorative household goods of the day. These items not only took up a lot of space within the wagon but also were clumsy to handle and added extra weight to the wagon.
It usually did not take too many miles before many of those who had packed too much started to drop off or discard various personal treasures along the trail. So many personal property items were discarded along the trail that by the late 1840s it was no longer necessary to follow the tracks of the wagons that had preceded them to follow and stay on the trail. All one needed to do was to follow the strewn and rotting personal treasures (and assorted gravesites) that marked the trail. The parting with their personal treasures must have been heartbreaking to many of the pioneers as they made the difficult trek along the Oregon Trail to their new homesteads in the West.
For decades many have asked what was it that drove or enticed these people to undertake such a perilous adventure into lands unknown. The main draw, of course, was the promise of free land. For others it was freedom from the squalor of eastern city life or the drudgery of farm life in trying to eke out a living on worn-out soils as tenet farmers that drove them to undertake the arduous Western adventure. For others it was the wide-open untamed spaces and the quest for adventure that was the drawing card.
This burning desire to conquer new lands, exploit them, and become rich was like a powerful magnet attracting and aligning the metal filings of their mentalities. This outlook, mode, or way of thought that drove the pioneers to trek across barren, rugged, unforgiving wilderness is commonly called frontier mentality. That is, we live as though we can’t effectively harm the natural world in a significant way because it is so big and we are so little, and if we damage one place, there will always be a new frontier to move to. The reality is that this mode of thought, this frontier mentality, can be summed up today by simply stating that in the United States, there has always been a Western frontier, a place to go to and start over where there are riches just for the taking for hardy spirit and determined worker.
Let’s get back to the pioneers’ trek along the Oregon Trail where they have marked the trail with ruts carved by their wagon wheels and various other signposts provided by their discarded personal goods. Again, after years of traversing the Oregon Trail, wagon train after wagon train discarded goods that dotted the prairie areas for miles. Humans have this tendency; that is, when some object they own is no longer needed or no longer pleases them or has outlived its usefulness they simply discard it—out of sight, out of mind. The pioneers’ frontier mentality about the west being an expanse of wide-open untamed space gave them no qualms about leaving their personal goods to rot along the trail—no qualms about polluting the landscape.
This same frontier mentality—“I no longer want or need it, so I’ll throw it away”—did not stop when the pioneers reached their destinations. The mindset alters a bit, but stops? No. It began with settlements which were almost exclusively built along rivers. The rivers provided a convenient means of disposing the unwanted. Beginning with simple discards such as coffee grounds to more complex items such as white goods (washers, dryers, refrigerators, etc.), to even more complex and persistent chemical compounds and mixtures, the river was the repository of choice for all. The thinking was, of course, that no matter what you threw into the river the running water would purify itself every 10 miles or so. But, when there are several settlements with hundreds or thousands of people up and down the length of the river, the purification capacity of the running water is exhausted. However, even though we are running out of pristine areas to pollute, our throw-away society continues to be strongly influenced by our consumerism and excessive disposal of short-lived items.

Waste by Other Names

One thing is certain; there are not only several different forms of waste and they are all categorized in a variety of ways, but they also are identified by their own designation or name. In this section, a representative sample of the major types of waste listed and described here is not necessarily exclusive, and keep in mind that there can be (and is) considerable connection and/or overlap so that one waste entity may fall into one to many types, forms, and/or categories.

Type and Waste Characterization

  • Agricultural waste—consists of unwanted, useless, undesirable, or unsalable substances and materials produced wholly from agricultural procedures and operations directly related to the growing of crops or raising of animals for the most important purpose of making a profit or for a source of revenue. A few examples of agricultural waste include fruit-bearing trees, vegetables, grape vines, and date palm fronds. On the other hand, common wastes such as plastic, trash, garbage, tires, rubber, oil filters, pallets, chemically treated wood, asbestos-containing materials (ACM), fertilizer and pesticide waste, construction and demolition materials, packaging material and boxes, broken boxes, and grass, weeds, and tree trimmings are not classified as agricultural waste. Also note that in an agricultural location such as a vineyard and/or an orchard, where waste is produced because of land use conversion to nonagricultural purposes, the waste produced is not classified as agricultural waste.
  • Animal byproducts (ABP)—consists of animal carcasses, parts of animal carcasses, or animal parts not suitable for human consumption. ABP also includes dairy shed effluent containing urine, dung, wash water, residual milk, dairy manure, spilled feed, and other wastes including bedding materials, feathers, wood chips, straw hay, and other sources of organic waste.
  • Biodegradable waste—consists of any waste containing organic matter which can be broken down into carbon dioxide, water, methane, or simple organic molecules by microorganisms and other living things by composting, aerobic digestion, anaerobic digestion, or similar processes. There are also a few inorganic materials that are biodegradable such as wall board and associated simple organic sulfates; these are decomposed in anaerobic landfills to hydrogen sulfide.
  • Biomedical waste—consists of any kind of waste containing infectious materials. It may also include waste such as packaging, unused bandages, and infusion kits that is associated with the generation of biomedical waste that visually appears to be of medical or laboratory or research laboratory origin. Discarded sharps, used or not used, are considered biomedical waste.
  • Bulky waste—consists of waste types that are too large to be accepted by the regular waste collection and generally includes furniture, large appliances, and plumbing fixtures. In many locations, branches, brush, roots, and other green waste are categorized as bulky waste.
  • Business waste—consists of commercial waste and industrial waste.
  • Chemical waste—consists of waste from harmful chemicals.
  • Clinical waste—see biomedical waste.
  • Coffee waste (aka coffee effluent)—consists of a byproduct of coffee processing.
  • Commercial waste—consists of waste from premises used mainly for the purposes of business or trade and also for education, recreation, entertainment, and sports.
  • Composite waste—consists of waste made up of two or more materials.
  • Concentrated animal feeding operations (CAFOs)—CAFOs are farming operations where large numbers (often in the thousands of animals) of livestock or poultry are housed inside buildings or in confined feedlots. How many animals? The USEPA defines a CAFO or industrial operation as a concentrated animal f...

Table of contents

  1. Cover
  2. Half-Title
  3. Title
  4. Copyright
  5. Contents
  6. Preface
  7. Author
  8. Chapter 1 Waste by Any Other Name?
  9. Chapter 2 Cave to Allegorical Cave to Present
  10. Chapter 3 Waste?: It’s in the Garbage Can
  11. Chapter 4 Litter
  12. Chapter 5 Ocean Dumping
  13. Chapter 6 E-Waste
  14. Chapter 7 Food Waste
  15. Chapter 8 Solid Waste, Landfills, and Leachate
  16. Chapter 9 Dry Tombs to Wet Dumps
  17. Chapter 10 Incineration
  18. Chapter 11 Animal Waste
  19. Chapter 12 Human Waste: The Waste Cloud
  20. Glossary
  21. Index

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