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In situ treatment and analysis of wastes

  • US 4,844,839 A
  • Filed: 03/14/1988
  • Issued: 07/04/1989
  • Est. Priority Date: 09/04/1984
  • Status: Expired due to Term
First Claim
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1. An in situ method of treating hazardous waste in a disposal site having hazardous waste randomly distributed therein comprising the steps of:

  • (a) agitating a downwardly extending zone of particles of said hazardous waste at a first station on said site;

    (b) maintaining said zone out of communication with the ambient atmosphere;

    (c) analyzing vapors and gases which are liberated from said zone during said agitating to determine the identity of the toxic components therein;

    (d) separating toxic gases and vapors identified by said sampling from said particles in said zone;

    (e) detoxifying said separated toxic gases and vapors;

    (f) injecting at least one treatment agent selected in accordance with the determined identity of the toxic components into said particles in said agitating zone;

    (g) terminating said method when said sampling indicates said particles have been treated to a desired degree; and

    (h) repeating said method at a second station at said disposal site that overlaps said first section.

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