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Evaluation of Integrated Anaerobic Digestion and Hydrothermal Carbonization for Bioenergy Production
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Hazardous wastes treatment technologies.

Yu Han Yu1, Jenn Fang Su2, Yujen Shih3

  • 1Department of Civil and Environmental Engineering, University of Delaware, Newark, Delaware, USA.

Water Environment Research : a Research Publication of the Water Environment Federation
|September 1, 2020
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Summary

This review synthesizes 2019 literature on hazardous waste management, detailing physical, chemical, and biological treatment technologies for contaminated water, soil, sediment, and air. It covers diverse contaminants and remediation case studies.

Keywords:
PPCPsadsorptionadvanced oxidationbiological processescapacitive deionizationcoagulationelectrochemical processesfiltrationhazardous chemicalsmembrane separationmetalsoxyanionsredox reactionrefractory chemicals

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Area of Science:

  • Environmental Science and Engineering
  • Waste Management and Remediation
  • Contaminant Treatment Technologies

Background:

  • Hazardous waste contamination of water, soils, sediments, and air poses significant environmental and health risks.
  • Effective management and remediation strategies are crucial for mitigating these risks.
  • A comprehensive understanding of available treatment technologies is essential for informed decision-making.

Purpose of the Study:

  • To review and synthesize the scientific literature from 2019 on hazardous waste management.
  • To provide an overview of physical, chemical, and biological treatment technologies for various contaminated media.
  • To highlight practical applications and case studies in hazardous waste remediation.

Main Methods:

  • Literature review of scientific publications from 2019.
  • Categorization of treatment technologies based on physical, chemical, and biological principles.
  • Analysis of methods for inorganic and organic hazardous chemical contaminants.
  • Inclusion of case histories for contaminated sediments, soils, industrial wastes, and radioactive wastes.

Main Results:

  • Detailed review of numerous physical methods including adsorption, filtration, electrodialysis, electrokinetics, electro-sorption (capacitive deionization, CDI), membrane processes (RO, NF, MF), photocatalysis, sonochemical, non-thermal plasma, and supercritical fluid technologies.
  • Overview of chemical methods such as ozone-based, hydrogen peroxide-based, potassium permanganate, and Fenton/Fenton-like processes.
  • Summary of biological methods including aerobic, anoxic, anaerobic processes, bioreactors, constructed wetlands, soil bioremediation, and biofilters.
  • Presentation of case studies demonstrating the application of these technologies in real-world scenarios.

Conclusions:

  • A wide array of physical, chemical, and biological technologies are available for hazardous waste management and remediation.
  • The choice of technology depends on the type of contaminant, the affected medium, and specific site conditions.
  • Continued research and application of these methods are vital for effective environmental protection and sustainable waste management.