<SEC-DOCUMENT>0001515156-17-000116-index.html : 20171120
<SEC-HEADER>0001515156-17-000116.hdr.sgml : 20171120
<ACCEPTANCE-DATETIME>20171120165037
ACCESSION NUMBER:		0001515156-17-000116
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20171116
ITEM INFORMATION:		Changes in Registrant's Certifying Accountant
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20171120
DATE AS OF CHANGE:		20171120

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Advanced Emissions Solutions, Inc.
		CENTRAL INDEX KEY:			0001515156
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS CHEMICAL PRODUCTS [2890]
		IRS NUMBER:				275472457
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37822
		FILM NUMBER:		171214297

	BUSINESS ADDRESS:	
		STREET 1:		640 PLAZA DRIVE, SUITE 270
		CITY:			HIGHLANDS RANCH
		STATE:			CO
		ZIP:			80129
		BUSINESS PHONE:		720-598-3500

	MAIL ADDRESS:	
		STREET 1:		640 PLAZA DRIVE, SUITE 270
		CITY:			HIGHLANDS RANCH
		STATE:			CO
		ZIP:			80129
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a8-kitem401111617.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: a8-kitem401111617.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-16.1
<SEQUENCE>2
<FILENAME>a161-letterfromheinassocia.htm
<DESCRIPTION>EXHIBIT 16.1
<TEXT>
Document 2 - file: a161-letterfromheinassocia.htm

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

</DOCUMENT>
</SEC-DOCUMENT>