Technical Briefs, Design Engineering News

Keyword: Land pollution

Facility Focus: Test & Measurement

Facility Focus: Savannah River National Laboratory

The Savannah River National Laboratory (SRNL) — located in Aiken, SC — is the applied research and development laboratory at the U.S. Department of Energy's (DOE) Savannah River Site...

Briefs: Green Design & Manufacturing

Methods for Purifying Enzymes for Mycoremediation

This process applies to remediation and restoration of soils contaminated by fuel, polychlorinated biphenyl wastes, etc. While there can be a general beneficial effect of microbial communities, individual plant-fungus combinations can vary in their efficacy in removal of pollutants from the...

Briefs: Aerospace

Soil Remediation with Plant-Fungal Combinations

This work applies to remediation and restoration of soil contaminated by fuel, polychlorinated biphenyl (PCB) wastes, etc. While there can be a beneficial effect of microbial communities, individual plant-fungus combinations can vary in their efficacy in removing pollutants from the environment....

Briefs: Mechanical & Fluid Systems

Folding Elastic Thermal Surface — FETS

The FETS is a light and compact thermal surface (sun shade, IR thermal shield, cover, and/or deployable radiator) that is mounted on a set of offset tape-spring hinges. The thermal surface is...

Briefs: Materials

Using Iron To Treat Chlorohydrocarbon Contaminated Soil

A method of in situ remediation of soil contaminated with chlorinated hydrocarbon solvents involves injection of nanometer-size iron particles. This method should not be confused with a...

Briefs: Physical Sciences

Electrokinetic In Situ Treatment of Metal-Contaminated Soil

An electrokinetic technique has been developed as a means of in situ remediation of soils, sludges, and sediments that are contaminated with heavy metals. Examples of common metal contaminants that can be removed by this technique include cadmium, chromium, zinc, lead, mercury, and...

Briefs: Materials

Electrometer for Triboelectric Evaluation of Materials

An electrometer developed for measuring the triboelectric responses of soils on Mars is also potentially useful on Earth for identifying some materials via their triboelectric responses....

Briefs: Materials

Testing Soil for Electrokinetically Enhanced Bioremediation

The term “prefield test” denotes an in situ test of contaminated soil in preparation for in situ treatment of the soil by a method called “electrokinetically enhanced...

Briefs: Medical

Engineered Bioremediation of Contaminated Soil

Electrokinetically enhanced bioremediation (EEB) is a method of engineered bioremediation of soil contaminated by such organic compounds as solvents and petroleum products. As depicted...