<SEC-DOCUMENT>0001193125-21-060605-index.html : 20210226
<SEC-HEADER>0001193125-21-060605.hdr.sgml : 20210226
<ACCEPTANCE-DATETIME>20210226163235
ACCESSION NUMBER:		0001193125-21-060605
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		8
FILED AS OF DATE:		20210226
DATE AS OF CHANGE:		20210226

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:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-253619
		FILM NUMBER:		21689571

	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>
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<SEQUENCE>1
<FILENAME>d142848ds3.htm
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<TEXT>
Document 1 - file: d142848ds3.htm

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<FILENAME>d142848dex41.htm
<DESCRIPTION>EX-4.1
<TEXT>
Document 2 - file: d142848dex41.htm

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<DOCUMENT>
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<SEQUENCE>3
<FILENAME>d142848dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 3 - file: d142848dex51.htm

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<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>4
<FILENAME>d142848dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 4 - file: d142848dex231.htm

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Document 5 - file: g142848dsp016.jpg

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Document 6 - file: g142848g0225045715908.jpg

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<SEQUENCE>7
<FILENAME>g142848g22y15.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g142848g22y15.jpg

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<TYPE>GRAPHIC
<SEQUENCE>8
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Document 8 - file: g142848g77a67.jpg

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