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:
Aug. 18, 2009
Filed:
Dec. 22, 2006
Sukalyan Sengupta, N. Dartmouth, MA (US);
Sarina Ergas, Amherst, MA (US);
Klaus Nüsslein, Amherst, MA (US);
Ashish Sahu, Amherst, MA (US);
Sukalyan Sengupta, N. Dartmouth, MA (US);
Sarina Ergas, Amherst, MA (US);
Klaus Nüsslein, Amherst, MA (US);
Ashish Sahu, Amherst, MA (US);
University of Massachusetts, Boston, MA (US);
Abstract
The invention relates to a system and method to reduce perchlorate in wastewater utilizing perchlorate-reducing bacteria, sulfur as an electron donor and mollusk shells as alkalinity agent. Embodiments of the invention include a perchlorate-reduction system comprising a bioreactor unit having perchlorate-reducing media comprising elemental sulfur, oyster shells and a microbial community, and can further include an optional pretreatment unit, wastewater-catchment and/or post-treatment components. Embodiments of the method include multiple steps utilizing the system and additional process steps that achieve enhanced perchlorate reduction.