Green Chemistry and Pollution Prevention Overview
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Questions and Answers

What is the primary goal of green chemistry as described in the text?

  • Preventing pollution through the design of benign processes (correct)
  • Analyzing pollutants in the environment
  • Removing contaminants from the soil after they have been released
  • Treating existing pollution using smokestack technologies
  • According to the material, what is a sustainable future characterized by?

  • A future that offers future generations the same options as present (correct)
  • A future with fewer environmental protection measures
  • A future that limits the options available for future generations
  • A future with completely different societal norms
  • Which of the following best describes the relationship between industrial ecology and green chemistry?

  • They are both considered aspects of achieving a sustainable future. (correct)
  • Industrial ecology and green chemistry are distinct fields with little overlap.
  • They are competing approaches to environmental control.
  • Green chemistry is a subset of industrial ecology.
  • What type of material does the book emphasize is not the primary subject of the content?

    <p>Methods for analyzing and eliminating contaminants already in the environment (A)</p> Signup and view all the answers

    What prompted the discovery of aflatoxins?

    <p>The illness and death of turkeys from moldy peanut meal (A)</p> Signup and view all the answers

    What is the implied relationship between ‘benign by design’ process and producing toxic waste?

    <p>A ‘benign by design’ process reduces toxic waste generation (C)</p> Signup and view all the answers

    What should ideal green chemistry processes minimize?

    <p>Creation of waste and energy consumption. (D)</p> Signup and view all the answers

    What is a common misconception regarding 'natural' versus 'chemical' substances?

    <p>Natural substances are inherently safer than chemicals. (A)</p> Signup and view all the answers

    What substance present in rye can cause a berserk-like state?

    <p>Lysergic acid derivatives (D)</p> Signup and view all the answers

    What academic level is the source material primarily designed for?

    <p>The senior-graduate level. (D)</p> Signup and view all the answers

    Which of these actions does the publication information indicate is prohibited without permission?

    <p>Reproducing any part of the book by any means. (D)</p> Signup and view all the answers

    Why were drug companies reluctant to tackle tropical diseases?

    <p>The companies were afraid that people with the disease would not pay for the drugs (C)</p> Signup and view all the answers

    What best describes the public's perception of scientific testing regarding toxicity?

    <p>The public’s perception often differs from scientific findings. (D)</p> Signup and view all the answers

    What is the primary reason that the emergence of certain diseases such as Legionnaire's and Ebola were not anticipated?

    <p>There was a lack of foresight regarding these diseases. (C)</p> Signup and view all the answers

    Which of the following is often found in most of the US toothpaste products?

    <p>An artificial sweetener with a special use permit (B)</p> Signup and view all the answers

    Which of the following best describes the contemporary attitude towards science mentioned in the text?

    <p>There is a growing suspicion of scientific endeavors. (C)</p> Signup and view all the answers

    What was the primary cause of fish advisories related to chemical contamination?

    <p>Mercury (A)</p> Signup and view all the answers

    What is a potential solution for reducing the release of vinyl chloride from manufacturing processes?

    <p>Substituting polyolefins for polyvinyl chloride (D)</p> Signup and view all the answers

    The increase in fish advisories from 1995 to 1996 was approximately:

    <p>26% (A)</p> Signup and view all the answers

    What percentage of the chemicals found in San Francisco Bay were attributed to everyday activities of ordinary people?

    <p>70% (C)</p> Signup and view all the answers

    Which of the mentioned substances was a major loss for the metals company?

    <p>Trichloroethylene (C)</p> Signup and view all the answers

    What was the average number of chemical accidents per year in the United States, between 1993 and 1995, that involved toxic chemicals?

    <p>7670 (C)</p> Signup and view all the answers

    According to the information provided, which of the following was NOT a consequence of chemical accidents in the United States between 1993 and 1995?

    <p>Lawsuits (D)</p> Signup and view all the answers

    What is the main reason investigations are conducted after chemical accidents?

    <p>To determine the cause and prevent similar future incidents (B)</p> Signup and view all the answers

    What was the average annual number of chemical accidents that resulted in death, injury, or evacuation in the US, in the 10 years before 1999?

    <p>1380 (D)</p> Signup and view all the answers

    Which of the following is a factor that gives India a competitive advantage in the global dye market?

    <p>Less stringent effluent legislation (D)</p> Signup and view all the answers

    What was NOT functioning at the time of the chemical accident described in the passage?

    <p>A pressure gauge (B)</p> Signup and view all the answers

    Approximately how many chemical accidents are reported annually in the United States?

    <p>60,000 (C)</p> Signup and view all the answers

    What is the purpose of implementing 'fail-safe systems' in chemical manufacturing?

    <p>To prevent accidents even if there is an equipment failure (A)</p> Signup and view all the answers

    What is a method suggested to reduce or eliminate the use of certain reagents when producing polymers?

    <p>Blowing the polymer with an inert gas. (C)</p> Signup and view all the answers

    What was the primary substance released in the 1992 Oxy Chem plant incident in Corpus Christi, Texas?

    <p>Butadiene (C)</p> Signup and view all the answers

    Which U.S. legislation included measures to minimize the risk of future oil spills?

    <p>The U.S. Oil Pollution Act of 1990. (C)</p> Signup and view all the answers

    Besides the Exxon Valdez spill, which other locations have experienced major oil spills from ships?

    <p>Ireland, France, and Japan. (D)</p> Signup and view all the answers

    What was the cause of the fire at the University of Texas laboratory in 1996?

    <p>A solvent reacted with sodium and water. (D)</p> Signup and view all the answers

    What was the approximate cost to bring the building up to fire safety standards at the University of Texas?

    <p>$30.2 million (B)</p> Signup and view all the answers

    What is one of the measures Exxon now employs as a preventative measure in Prince William Sound?

    <p>Double hulled ships. (C)</p> Signup and view all the answers

    What settlement resulted from an out of court class action lawsuit, due to release of unburned hydrocarbons from an extinguished flare at a plant in Texas?

    <p>$65.7 million (C)</p> Signup and view all the answers

    What was the approximate total amount for all listed companies by 1996 in pounds from the Toxic Release Inventory for Delaware?

    <p>2,136,870 (A)</p> Signup and view all the answers

    For the companies listed, which company shows the greatest reduction in releases between 1993 and 1996?

    <p>Chrysler (C)</p> Signup and view all the answers

    Which company had the most consistent release amounts for the period of 1993-1996?

    <p>Formosa Plastics (B)</p> Signup and view all the answers

    Based on the provided information, what percentage of Delaware rivers and streams do not meet the minimum standards for swimming?

    <p>66% (B)</p> Signup and view all the answers

    In 1994, approximately how many work-related injuries and illnesses were reported in private industry in the United States?

    <p>6.8 million (B)</p> Signup and view all the answers

    What type of disorder was the most common in 1994?

    <p>Disorders associated with repeated trauma (A)</p> Signup and view all the answers

    The text mentions that waste metal salts can be used in fertilizers. Which of these statements is true regarding this practice?

    <p>It can be harmful if done improperly. (C)</p> Signup and view all the answers

    What process can be used to convert sodium chloride back to sodium hydroxide and hydrochloric acid?

    <p>Electrodialysis using bipolar membranes (D)</p> Signup and view all the answers

    Flashcards

    Green Chemistry

    A field focused on creating chemical processes that minimize waste and environmental harm.

    Sustainable Future

    A future where future generations have the same resources and opportunities as we do.

    Industrial Ecology

    The study of how industries can interact and work together to reduce waste and pollution.

    Nontoxic Chemicals

    Chemicals that are non-toxic and pose minimal risk to human health or the environment.

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    Pollution Prevention

    The intentional design of chemical processes that reduce or eliminate pollution from the start.

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    Benign by Design

    Chemical processes designed to be environmentally friendly and minimize waste.

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    Contaminants

    Chemicals that are harmful to the environment and may cause pollution.

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    Unsustainable Processes

    Chemical processes that generate waste or have negative environmental consequences.

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    Chemophobia

    The fear or aversion towards chemicals, often driven by misconceptions and misinformation.

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    Mycotoxin

    A type of mold that produces toxins, such as aflatoxins.

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    Aflatoxin

    A potent toxin produced by the fungus Aspergillus flavus, commonly found in peanuts and other crops. It is a known carcinogen.

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    Lysergic Acid Derivatives

    A group of powerful psychoactive chemicals found in the ergot fungus, which grows on rye and other grains. It can cause hallucinations and other adverse effects.

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    Amanita Mushroom

    A type of mushroom known for its toxicity. Some species can contain deadly poisons that can cause serious health problems.

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    Globe Fish Delicacy

    A Japanese culinary delicacy that uses the pufferfish, which contains tetrodotoxin, a potent neurotoxin. The fish must be prepared by highly skilled chefs to avoid fatal poisoning.

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    Public Perception of Toxicity and Risk

    The public's perception of toxicity and risk often differs from scientific findings. Sometimes relying on the belief that natural origins are safer than chemical ones can be oversimplified.

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    Saccharin

    An artificial sweetener once commonly used in many products, but now considered a potential carcinogen in rodents. It remains in many toothpastes in the US.

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    LD50

    The amount of a chemical that causes death to 50% of a test population of animals. It's used to assess a chemical's acute toxicity.

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    Fail-Safe System

    A system designed to prevent accidents or minimize their impact, even in case of failures in other systems or equipment.

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    Accident Investigation

    The study and analysis of accidents to identify causes and prevent future occurrences.

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    Chemical Releases

    Chemicals released into the environment, often as a result of accidents or improper handling.

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    Green Movement

    The use of environmental protection measures to prevent pollution and promote sustainability.

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    Effluent Legislation

    Regulations and standards that govern the release of pollutants from industrial activities into the environment.

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    Competitive Advantage

    The difference in production costs between countries, often due to factors like labor or regulations.

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    Global Sourcing

    The use of lower labor costs and less strict regulations in one country to gain a competitive advantage over production in other countries.

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    What are carcinogens?

    Substances that can cause cancer.

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    What is trichloroethylene?

    A chemical compound used in cleaning metal parts. It can contaminate water sources.

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    What are polyolefins?

    A type of plastic made with new metallocene catalysts. Can be used as an alternative to polyvinyl chloride, which is used in vinyl chloride production.

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    What is a scrubber?

    A method used to remove hydrogen chloride from stack gases. This helps reduce air pollution.

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    What is vinyl chloride?

    A chemical compound used in the production of vinyl chloride. It is a known carcinogen.

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    Butadiene

    A chemical that can explode in a fire or reaction.

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    Oil Spill

    A major incident where a large quantity of oil is released into marine environment.

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    Double-Hulled Ships

    A safety regulation requiring ships to have two hulls to prevent oil spills.

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    Exothermic Reaction

    A reaction that can become very hot and potentially explode.

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    Integrated Pollution Prevention Control (IPPC)

    Regulations aimed at minimizing environmental damage and improving safety in European industries.

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    Oxy Chem Plant Accident

    An accident that led to the release of a large amount of butadiene.

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    Tanker-Free Zone

    A specific region where tankers are prohibited to prevent oil spills.

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    Toxic Release Inventory

    The amount of toxic substances released by a company into the environment.

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    Occupational Illness and Injury

    The annual count of work-related injuries and illnesses in the U.S.

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    Carpal Tunnel Syndrome

    A repetitive strain injury to the wrist and hand, a common occupational illness.

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    Cost of Occupational Illness and Injury

    The total economic cost of work-related injuries and illnesses in the U.S. per year.

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    Waste Metal Salts in Fertilizer

    An approach to waste management that involves converting waste into fertilizers.

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    Electrodialysis

    A method of separating ions from a solution using a membrane.

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    Waste Recycling

    A process where waste materials are transformed back into their original forms.

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    Membrane Separations

    The use of membranes to filter out specific components from a solution.

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    Study Notes

    Green Chemistry and Pollution Prevention

    • Green chemistry aims to avoid pollution by using "benign-by-design" processes.
    • These processes ideally use non-toxic chemicals, produce minimal waste, conserve energy, and aid transition to a sustainable economy.
    • Traditional environmental chemistry focuses on analyzing and removing pollutants from air, water, and soil.
    • Green chemistry aims to prevent the generation of pollutants in the first place.

    Public Perception and Toxicity

    • Public perception of toxicity often differs from scientific testing.
    • The idea that "natural" is better than "chemical" is inaccurate; many natural substances are potent biologically.
    • Mycotoxins are a prime example with aflatoxins being potent carcinogens.
    • Consumption of certain natural products containing poisons poses risk.

    Chemical Accidents and Incidents

    • Chemical accidents, fires, and explosions cause substantial economic losses and environmental damage.
    • Chemical accidents in the US frequently involve deaths, injuries, evaucation, and significant environmental contamination.
    • Examples include the Bhopal disaster, Exxon Valdez oil spill, and numerous other plant accidents and spills.
    • Data collected from investigations help inform solutions and preventative measures.
    • Accidents frequently involve issues with inadequate safety measures, faulty equipment, and improper disposal practices.

    Chemical Releases and Environmental Impact

    • 17 chemical releases exceeded the Bhopal disaster in volume and toxicity.
    • Extensive damage to ecosystems often occurs in affected areas and have high costs to recover.
    • Oil spills from ships have significant environmental consequences and recovery can take years.
    • Examples include spills in various locations globally, causing marine ecological damage.
    • The U.S. Oil Pollution Act of 1990 recommends measures to reduce future spills (e.g., double-hulled ships, tug escort zones).

    Occupational Health and Safety

    • Occupational illness and injury in the US cost billions of dollars annually.
    • Common workplace injuries are repeated trauma-related disorders like carpal tunnel syndrome.
    • Nearly two-thirds of workplace injuries were identified as disorders related to repeated trauma.
    • This highlights the critical need for better safety measures and protocols.

    Case Studies and Examples

    • The book examines examples of chemical accidents, spills, and releases.
    • Specific examples provided include toxic chemical releases in the US
    • Numerous examples of manufacturing industries, plant accidents, fires, and spills are described.
    • Accidents that highlight the need for improved safety standards are elaborated
    • There are references to specific chemical releases with amounts, dates and locations of such accidents.

    Chemical Recycling and Waste Management

    • The recycling of valuable materials and safely disposing of toxic waste are highlighted as strategies that reduce environmental impact.
    • Waste metal salts can be crucial trace elements in fertilizers but abuse in practice is problematic.
    • Converting waste products into valuable resources by chemical processes is explored.
    • Methods like using bipolar membranes to recycle sodium chloride back to its original constituents are described.

    Data, Statistics, and Chemical Inventories

    • The book uses data and statistics to illustrate the problems of chemical accidents and environmental pollution.
    • Numeric data, including statistics, volumes of chemical releases, financial losses from incidents, and health problems, demonstrate the magnitude of the issue.
    • Data on chemical accidents and releases are presented in tables (e.g., Toxic Release Inventory).
    • Quantifiable data on accidents and damages further highlight the need for prevention and safety measures.

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    Description

    This quiz explores green chemistry principles, focusing on pollution prevention through benign designs. It contrasts public perceptions of toxicity regarding natural versus chemical substances, highlighting risks associated with certain natural products. Additionally, the course covers the impact of chemical accidents on the environment and economy.

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