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 Registration State-
    ment No. 333-11567 of Rentech, Inc. on Form S-3 of our report
    dated September 5, 1996 relating to the consolidated Financial
    Statements appearing in the Annual Report on Form 10-KSB of Rentech,
    Inc. for the years ended December 31, 1995 and 1994, and to the
    reference to us under the heading "Experts" in the Prospectus,
    which is part of such Registration Statement. 
    
    (Signature)  
    
    BDO Seidman, LLP
  
  
    September 27, 1996
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    Denver, Colorado