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Indian Institute of Technology Bombay has been issued a new U.S. patent titled "Method and system for the remediation of contaminated earth from hazardous substances in a batch-wise ex-situ on-site manner" by the US Patent and Trademark Office. The patent number is 11,040,383 and was issued on June 22, 2021.
ABSTRACT
A system is disclosed for remediation of contaminated earth from hazardous substances, comprising mobile equipment that are generally available. The mobile equipment are physically separate and temporarily organised at a location in the proximity of a contaminated site when the need arises and are dispersed or disposed of following remediation of the contaminated site. The generally available mobile equipment may include earth moving excavators, truck mixers equipped with tumblers used for mixing and delivering cement-concrete to the construction site, and centrifuges.
| Appl. No. | 15/974,400 |
CLAIMS
What is claimed is:
1. A system that is not a dedicated one but a temporarily organised one for remediation of contaminated earth from hazardous substances, said system comprising mobile equipment that are generally available, comprising: (a) at least one mobile earth moving equipment (10); (b) at least one mobile tumbler reactor (20); and (c) at least one liquid-solid separator (30); wherein the system is operable for remediating contaminated earth from hazardous substances in a batch-wise manner: for collecting batch by batch contaminated earth portions from a contaminated site in the at least one mobile earth moving equipment, transporting the contaminated earth portions to a location and transferring the contaminated earth portions to the at least one mobile tumbler reactor, for dosing the contaminated earth portions in the at least one mobile tumbler reactor with cleaning agents and water; and for washing portions of the contaminated earth in the at least one mobile tumbler reactor under agitation or tumbling; wherein the mobile equipment are physically separate and temporarily organised at a location in the proximity of a contaminated site when the need arises to be dispersed or disposed of following remediation of the contaminated site.
2. The system of claim 1 for remediation of contaminated earth from hazardous substances, further comprising a controller for controlling logistics of operations of the at least one mobile earth moving equipment, at least one mobile tumbler reactor and...