<SEC-DOCUMENT>0001193125-21-103273-index.html : 20210401
<SEC-HEADER>0001193125-21-103273.hdr.sgml : 20210401
<ACCEPTANCE-DATETIME>20210401080121
ACCESSION NUMBER:		0001193125-21-103273
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20210401
DATE AS OF CHANGE:		20210401

FILER:

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

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-253619
		FILM NUMBER:		21796071

	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>424B3
<SEQUENCE>1
<FILENAME>d158166d424b3.htm
<DESCRIPTION>424B3
<TEXT>
Document 1 - file: d158166d424b3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g158166g22y15.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g158166g22y15.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g158166g77a67.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g158166g77a67.jpg

</DOCUMENT>
</SEC-DOCUMENT>