EXHIBIT 23.1


            Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statements
(Forms S-8 No. 83068, dated August 16, 1994 and No. 333-36390 dated May 5,
2000), pertaining to The 1993 Incentive Plan of Fuel-Tech N.V. of our reports
dated March 8, 2006, with respect to the consolidated financial statements and
schedule of Fuel-Tech N.V., Fuel-Tech N.V. management's assessment of the
effectiveness of internal control over financial reporting, and the
effectiveness of internal control over financial reporting of Fuel-Tech N.V.,
included in this Annual Report (Form 10-K) for the year ended December 31, 2005.

Chicago, Illinois
March 8, 2006