Gaseous Carbon Waste Streams Utilization

Gaseous Carbon Waste Streams Utilization
Author: National Academies of Sciences, Engineering, and Medicine
Publisher: National Academies Press
Total Pages: 257
Release: 2019-02-22
Genre: Science
ISBN: 0309483360

In the quest to mitigate the buildup of greenhouse gases in Earth's atmosphere, researchers and policymakers have increasingly turned their attention to techniques for capturing greenhouse gases such as carbon dioxide and methane, either from the locations where they are emitted or directly from the atmosphere. Once captured, these gases can be stored or put to use. While both carbon storage and carbon utilization have costs, utilization offers the opportunity to recover some of the cost and even generate economic value. While current carbon utilization projects operate at a relatively small scale, some estimates suggest the market for waste carbon-derived products could grow to hundreds of billions of dollars within a few decades, utilizing several thousand teragrams of waste carbon gases per year. Gaseous Carbon Waste Streams Utilization: Status and Research Needs assesses research and development needs relevant to understanding and improving the commercial viability of waste carbon utilization technologies and defines a research agenda to address key challenges. The report is intended to help inform decision making surrounding the development and deployment of waste carbon utilization technologies under a variety of circumstances, whether motivated by a goal to improve processes for making carbon-based products, to generate revenue, or to achieve environmental goals.

Drawdown

Drawdown
Author: Paul Hawken
Publisher: Penguin
Total Pages: 258
Release: 2017-04-18
Genre: Science
ISBN: 1524704652

• New York Times bestseller • The 100 most substantive solutions to reverse global warming, based on meticulous research by leading scientists and policymakers around the world “At this point in time, the Drawdown book is exactly what is needed; a credible, conservative solution-by-solution narrative that we can do it. Reading it is an effective inoculation against the widespread perception of doom that humanity cannot and will not solve the climate crisis. Reported by-effects include increased determination and a sense of grounded hope.” —Per Espen Stoknes, Author, What We Think About When We Try Not To Think About Global Warming “There’s been no real way for ordinary people to get an understanding of what they can do and what impact it can have. There remains no single, comprehensive, reliable compendium of carbon-reduction solutions across sectors. At least until now. . . . The public is hungry for this kind of practical wisdom.” —David Roberts, Vox “This is the ideal environmental sciences textbook—only it is too interesting and inspiring to be called a textbook.” —Peter Kareiva, Director of the Institute of the Environment and Sustainability, UCLA In the face of widespread fear and apathy, an international coalition of researchers, professionals, and scientists have come together to offer a set of realistic and bold solutions to climate change. One hundred techniques and practices are described here—some are well known; some you may have never heard of. They range from clean energy to educating girls in lower-income countries to land use practices that pull carbon out of the air. The solutions exist, are economically viable, and communities throughout the world are currently enacting them with skill and determination. If deployed collectively on a global scale over the next thirty years, they represent a credible path forward, not just to slow the earth’s warming but to reach drawdown, that point in time when greenhouse gases in the atmosphere peak and begin to decline. These measures promise cascading benefits to human health, security, prosperity, and well-being—giving us every reason to see this planetary crisis as an opportunity to create a just and livable world.

Sustainable Utilization of Carbon Dioxide in Waste Management

Sustainable Utilization of Carbon Dioxide in Waste Management
Author: Abdel-Mohsen O. Mohamed
Publisher: Elsevier
Total Pages: 608
Release: 2022-11-25
Genre: Science
ISBN: 012823606X

Sustainable Utilization of Carbon Dioxide in Waste Management addresses all aspects of sustainable use of carbon dioxide in waste management processes and provides best practices and process improvements for carbon sequestration in the management of a variety of waste types, including carbide lime waste, construction waste, and reject brine effluents, amongst others. The book also provides underlying research on the environmental impacts of these wastes and the need for carbon capture to emphasize the importance and need for improvements of these processes. Overall, this information will be key to determining lifecycle benefits of CO2 for each newly improved waste process. This is an important source of information for environmental and sustainability scientists and engineers, as well as academics and researchers in the field who should be trying to achieve increased carbon capture in any form of waste process to reduce environmental impact. Introduces the basic principles of carbon sequestration by alkaline solid waste (cement kiln dust, steel slag, fly ash, and carbide lime wastes), detailing the lack of current sustainability Provides a comprehensive resource on carbon sequestration in a variety of waste processes and practical guidance on applying them to these processes Details the need for carbon capture in these processes and the environmental impacts of not doing so Outlines the methods for determining lifecycle benefits of CO2 for each newly developed product

Precision Cleaning with Supercritical Carbon Dioxide for the Elimination of Organic Solvents and the Reduction of Hazardous Wastes

Precision Cleaning with Supercritical Carbon Dioxide for the Elimination of Organic Solvents and the Reduction of Hazardous Wastes
Author:
Publisher:
Total Pages: 16
Release: 1994
Genre:
ISBN:

Private and governmental industrial facilities use chlorofluorocarbons and chlorocarbons for the cleaning of a variety of items. The Montreal Protocol (1987) and amendments to this act will phase out the use of chlorofluorocarbons, or CFCs, by the year 2000 because they are toxic, carcinogenic, and implicated in the depletion of the Earth's ozone layer. The United States has pledged to eliminate these substances by 1995. To stay competitive in the global market, US industries require an economical replacement. Supercritical fluids, which have been used in food, fragrance, and petroleum processes for years, are attractive replacement solvents because of their low environmental impact, high diffusivities, low viscosities, and temperature-pressure dependence of solvent strengths. In the case of nontoxic and nonflammable carbon dioxide (CO2), its critical temperature and pressure are readily accessible with well-established process technology and equipment. In addition, applications using a supercritical fluid such as CO2 are generally safer and environmentally benign. Extractions using supercritical CO2 use less energy than distillation and incineration processes and are less expensive than liquid extraction processes using toxic and costly organic solvents. Finally, CO2 has a very high volatility compared to virtually any organic extractant which facilitates its separation from extract solutions for extract recovery and CO2 recycle. Data will be presented on the successful removal of cutting and machine oils, silicone oils, body oils, and hydraulic fluids from a variety of industrial substrates with supercritical CO2 to, at, or below precision cleaning levels (less than 10 micrograms of contaminant per square centimeter of surface). The applicability of this technique to commercial operations was evaluated in this area of contaminant removal, surface interactions, operational costs, and waste reduction and elimination.

Environmental Engineering Dictionary

Environmental Engineering Dictionary
Author: Frank R. Spellman
Publisher: Rowman & Littlefield
Total Pages: 703
Release: 2018-01-02
Genre: Technology & Engineering
ISBN: 1598889710

This updated Dictionary provides a comprehensive reference for hundreds of environmental engineering terms used throughout the field. Author Frank Spellman draws on his years of experience, many government documents, and legal and regulatory sources to update this edition with many new terms and definitions. This fifth edition includes terms relating to pollution control technologies, monitoring, risk assessment, sampling and analysis, quality control, and permitting. Users of this dictionary will find exact and official Environmental Protection Agency definitions for environmental terms that are statute-related, regulation-related, science-related, and engineering-related, including terms from the following legal documents: Clean Air Act; Clean Water Act; CERCLA; EPCRA; Federal Facility Compliance Act; Federal Food, Drug and Cosmetic Act; FIFRA; Hazardous and Solid Waste Amendment; OSHA; Pollution Prevention Act; RCRA; Safe Drinking Water Act; Superfund Amendments and Reauthorization Act; and TSCA. The terms included in this dictionary feature time-saving cites to the definitions' source, including the Code of Federal Regulations, the Environmental Protection Agency, and the Department of Energy. A list of the reference source documents is also included.

Sustainable Utilization of Carbon Dioxide

Sustainable Utilization of Carbon Dioxide
Author: Mohammad Jawaid
Publisher: Springer Nature
Total Pages: 209
Release: 2023-07-08
Genre: Technology & Engineering
ISBN: 9819928907

This book covers the latest technology and experimental scientific advancements in converting carbon dioxide (CO2) from waste to useful commercial products. This approach helps to mitigate climate change due to carbon emission greenhouse effect and also create a circular economy through CO2 waste capture and utilization to produce CO2 derived products. This provides new direction for government organizations, manufacturing industries (fuel, chemicals, building materials) and investment firms to work towards a zero carbon future. This book caters to researchers, policymakers, industrial practitioners who are interested in more sustainable practices in carbon dioxide technology.