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Bioremediation00:46

Bioremediation

Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
Microbial Bioremediation of Uranium01:25

Microbial Bioremediation of Uranium

Microorganisms play a critical role in the transformation and immobilization of uranium in contaminated environments through four main pathways: bioreduction, biosorption, bioaccumulation, and biomineralization. These mechanisms reduce uranium’s toxicity and prevent its migration through groundwater systems, offering sustainable approaches for in situ bioremediation.Bioreduction of UraniumBioreduction is driven by anaerobic bacteria such as certain strains of Geobacter and Shewanella, which use...
Microbial Bioremediation of Hydrocarbons01:26

Microbial Bioremediation of Hydrocarbons

Bioremediation is an environmentally sustainable process that employs living organisms—primarily microorganisms—to degrade or neutralize pollutants from contaminated environments. In oil spills and hydrocarbon pollution, bioremediation involves the use of hydrocarbon-degrading bacteria to transform toxic compounds into less harmful substances. This approach leverages natural microbial metabolic processes and is considered both cost-effective and ecologically favorable compared to physical or...
Acid Mine Drainage01:19

Acid Mine Drainage

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Microbial Bioremediation of Plastics01:28

Microbial Bioremediation of Plastics

Polyethylene terephthalate (PET) is a synthetic polymer widely utilized in the packaging industry, particularly for bottles and containers. Due to its chemical stability and durability, PET accumulates in the environment, contributing significantly to plastic pollution. It comprises repeating units of terephthalic acid and ethylene glycol, resulting in a semi-crystalline structure that is resistant to natural degradation processes.A notable breakthrough in plastic biodegradation came with the...
Environmental Applications of Microorganisms01:30

Environmental Applications of Microorganisms

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Updated: May 17, 2026

Chemical Gardens as Flow-through Reactors Simulating Natural Hydrothermal Systems
12:55

Chemical Gardens as Flow-through Reactors Simulating Natural Hydrothermal Systems

Published on: November 18, 2015

Landfills as sinks for (hazardous) substances.

Heijo Scharff1

  • 11NV Afvalzorg Holding, Assendelft, the Netherlands. h.scharff@afvalzorg.nl

Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA
|November 7, 2012
PubMed
Summary

Waste regulations aim to protect health and the environment by managing hazardous materials. Careful consideration of recycling versus sink storage is crucial, necessitating improved life-cycle assessments and harmonized policies.

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Development of Sulfidogenic Sludge from Marine Sediments and Trichloroethylene Reduction in an Upflow Anaerobic Sludge Blanket Reactor
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Area of Science:

  • Environmental Science
  • Resource Management
  • Pollution Control

Background:

  • Waste regulations aim to protect human health and the environment by removing harmful materials from the cycle.
  • Recycling policies may inadvertently disperse pollutants, impacting the entire life cycle of materials.
  • Pollutants face two primary fates: storage in sinks or environmental dispersion, with sinks often allowing slow release.

Purpose of the Study:

  • To analyze material flows and their environmental impacts.
  • To compare these impacts with European environmental and resource policy goals.
  • To evaluate the effectiveness of current waste management and pollution control strategies.

Main Methods:

  • Review of various sources on material flows and environmental impacts.
  • Analysis of European environmental and resource policy intentions versus achievements.
  • Assessment of the polluter pays principle implementation in relation to waste management.

Main Results:

  • European polluter pays principle implementation lags behind waste management regulations.
  • Producers adding hazardous substances without product take-back complicate recycling decisions.
  • Life-cycle assessment tools and regulatory harmonization are needed for better decision-making.

Conclusions:

  • Society must carefully weigh recycling against sink storage for hazardous materials.
  • Further development of life-cycle assessment tools and harmonized regulations is essential.
  • Landfills as sinks remain necessary, requiring advancements in fail-safe design and sustainable management.