Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
Stockholders and Board of Directors
Rentech, Inc.
Denver, Colorado
We consent to the incorporation by reference in the prospectus constituting a part of this registration statement on Form S-3 of our report dated December 5, 2005 relating to the consolidated financial statements of Rentech, Inc. appearing in the annual report on Form 10-K of Rentech, Inc. for the year ended September 30, 2005.
We also consent to the reference to us under the caption “Experts” in the prospectus which is part of this registration statement.
/s/ Ehrhardt Keefe Steiner & Hottman PC |
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Denver, Colorado
October 6, 2006
