Self-regenerating remediation treatments and methods
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United States of America Patent
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Feb 23, 2021
Grant Date -
Jul 20, 2017
app pub date -
Jun 24, 2015
filing date -
Jul 22, 2014
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Abstract
Contaminated sediment is re-mediated using a self-regenerating reactive sedimentation capping system comprising a system of composite particles having a core and a coating. The coating of at least some particles further include a complexing or sorptive reactive material, such as activated carbon, appatite, a clay or organoclay, or a synthetic sorptive such as Sorbster™. The same or different particles contain a composition of dormant microbes capable of utilizing various contaminants as a food source. The same or other particles may also contain nutrients, micronutrients, vitamins, cofactors, buffers or other adjunctive compounds to sustain the microbes. The microbes feed on and degrade the contaminant compounds complexed, absorbed or adsorbed by the reactive material, thereby regenerating the reactive material for re-use.
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