The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 18, 2003
Filed:
Jul. 15, 1999
Richard A. Hamilton, Beverly, MA (US);
Scott P. Fulton, Waltham, MA (US);
Ted M. Shields, Waltham, MA (US);
SolmeteX, Inc., , MA (US);
Abstract
The disclosed invention relates to a method of disposing of mercury-containing wastewater containing mercury-complexing materials, comprising the steps of treating wastewater containing mercury ions with a strong oxidizing agent in a reaction chamber to produce pretreated wastewater by removing an effluent stream of pretreated wastewater from the reaction chamber; and passing the effluent stream of pretreated wastewater through a column packed with a mercury-selective adsorbent material to produce an effluent stream of wastewater having a reduced mercury content. The adsorbent material is a porous resin having immobilized mercury-selective chelating groups bound thereto. A particularly preferred adsorbent material is a crosslinked styrene-divinylbenzene copolymer having immobilized dithiocarbamate groups bound thereto.