EXHIBIT 23.1
  
  
  
  
             CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS
  
  
  
  Rentech, Inc.
  1331 17th Street, Suite 720
  Denver, CO 80202
  
  We consent to the incorporation by reference in the Registration
  Statement of Rentech, Inc. on Form S-3 of our report dated December 2,
  1996 relating to the consolidated financial statements (which contained
  an explanatory paragraph relative to the going concern uncertainty)
  appearing in the Transition Report on Form 10-KSB of Rentech, Inc. for
  the nine months ended September 30, 1996 and for the year ended December
  31, 1995, and to the reference to us under the heading "Experts" in the
  Prospectus, which is part of such Registration Statement. 
  
  
  
  
  BDO Seidman, LLP
  
  
  
                 , 1997
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  Denver, Colorado