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William Lavosky

from Glen Rock, NJ

William Lavosky Phones & Addresses

  • 447 Rock Rd, Glen Rock, NJ 07452 (201) 652-7606
  • 514 Longstreet Ave, Brielle, NJ 08730
  • 172 Kennedy Ct, Paramus, NJ 07652

Publications

Us Patents

Process For Cleaning Mercury-Contaminated Soils

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US Patent:
59684615, Oct 19, 1999
Filed:
Sep 14, 1998
Appl. No.:
9/152933
Inventors:
Youssef El-Shoubary - North Brunswick NJ
William F. Lavosky - Brielle NJ
Subash C. Seth - Watchung NJ
Ned A. Speizer - Brick NJ
Assignee:
Merck & Co., Inc. - Rahway NJ
International Classification:
C22B 4300
US Classification:
423109
Abstract:
The present invention relates to a process for cleaning mercury-contaminated soils that is simple, efficient and safe to use. This process can also be used to clean soils contaminated with additional metals, such as zinc, copper and lead, at a lower pH. The present invention involves screening the contaminated soil to remove unwanted materials, leaching the contaminated soils with hypochlorite in a screw reactor, thickening, leaching with hypochlorite and sodium chloride, thickening again and then separating the mercury-containing liquids from the clean soil. This invention also relates to a process which uses sulfide to treat the mercury-containing liquids.

Process For Cleaning Mercury-Contaminated Soils

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US Patent:
61205796, Sep 19, 2000
Filed:
Sep 14, 1998
Appl. No.:
9/152774
Inventors:
Youssef El-Shoubary - North Brunswick NJ
Subash C. Seth - Watchung NJ
William F. Lavosky - Brielle NJ
Ned A. Speizer - Brick NJ
Assignee:
Merck & Co., Inc. - Rahway NJ
International Classification:
C22B 4300
US Classification:
75742
Abstract:
The present invention relates to a process for cleaning mercury-contaminated soils that is simple, efficient and safe to use. This process can also be used to clean soils contaminated with additional metals, such as zinc, copper and lead, at a lower pH. The invention involves treating contaminated soils with solid hypochlorite in a continuous counter-current process.
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