    <SEC-DOCUMENT>0001437749-24-011073-index.html : 20240404
    <SEC-HEADER>0001437749-24-011073.hdr.sgml : 20240404
    <ACCEPTANCE-DATETIME>20240404160510
    ACCESSION NUMBER:		0001437749-24-011073
    CONFORMED SUBMISSION TYPE:	PRE 14A
    PUBLIC DOCUMENT COUNT:		8
    CONFORMED PERIOD OF REPORT:	20240606
    FILED AS OF DATE:		20240404
    DATE AS OF CHANGE:		20240404

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			FUEL TECH, INC.
    		CENTRAL INDEX KEY:			0000846913
    		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL & COMMERCIAL FANS & BLOWERS & AIR PURIFYING EQUIP [3564]
    		ORGANIZATION NAME:           	06 Technology
    		IRS NUMBER:				205657551
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		PRE 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-33059
    		FILM NUMBER:		24823138

    	BUSINESS ADDRESS:
    		STREET 1:		27601 BELLA VISTA PARKWAY
    		CITY:			WARRENVILLE
    		STATE:			IL
    		ZIP:			60555
    		BUSINESS PHONE:		6308454431

    	MAIL ADDRESS:
    		STREET 1:		27601 BELLA VISTA PARKWAY
    		CITY:			WARRENVILLE
    		STATE:			IL
    		ZIP:			60555

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	FUEL TECH N V
    		DATE OF NAME CHANGE:	19930510
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>PRE 14A
    <SEQUENCE>1
    <FILENAME>ftek20240403_pre14a.htm
    <DESCRIPTION>FORM PRE 14A
    <TEXT>
    Document 1 - file: ftek20240403_pre14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>image1.jpg
    <TEXT>
    Document 2 - file: image1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>image2.jpg
    <TEXT>
    Document 3 - file: image2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>image3.jpg
    <TEXT>
    Document 4 - file: image3.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>image4.jpg
    <TEXT>
    Document 5 - file: image4.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>pic1.jpg
    <TEXT>
    Document 6 - file: pic1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>pic2.jpg
    <TEXT>
    Document 7 - file: pic2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>pic3.jpg
    <TEXT>
    Document 8 - file: pic3.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>