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Beneficiation of animal manure

  • US 6,312,492 B1
  • Filed: 09/21/1999
  • Issued: 11/06/2001
  • Est. Priority Date: 09/21/1999
  • Status: Expired due to Fees
First Claim
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1. A process for treating animal manure materials or animal manure materials in combination with cellulose containing materials comprising directly applying concentrated sulfuric acid to said materials, thoroughly admixing said concentrated sulfuric acid and said materials, and drying the resultant mixture.

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