ADVANCED EMISSIONS SOLUTIONS, INC.

                LIMITED POWER OF ATTORNEY FOR SECTION 16 FILINGS

I, Michael D. Durham, do hereby make, constitute and appoint each of Christine
B. Amrhein, General Counsel, L. Heath Sampson, Chief Financial Officer, the
Corporate Controller, the Technical Accounting and Financial Reporting Director
and the Senior Paralegal of Advanced Emissions Solutions, Inc. (the "Company"),
or any of them acting singly and with full power of substitution, my true and
lawful attorney for the purposes hereinafter set forth, effective as of the date
set forth below.

References in this Limited Power of Attorney ("LPOA") to "my Attorney" are to
each of the officers of the Company listed above and to the person or persons
substituted hereunder pursuant to the power of substitution granted herein.

I hereby grant to my Attorney, for me and in my name, place and stead, the
power:

        1.      To execute for and on my behalf, in my capacity as a director,
                officer or stockholder of Advanced Emissions Solutions, Inc.
                (the "Company"), all filings required or advisable to be made
                pursuant to Section 16(a) of the Securities Exchange Act of
                1934, as amended (the "Exchange Act"), and the rules and
                regulations thereunder, including without limitation a Form ID,
                Uniform Application for Access Codes to File on EDGAR, Forms 3,
                4 and 5, and all and any amendments thereto (collectively,
                "Section 16 filings");

        2.      To do and to perform any and all acts for and on my behalf that
                may be necessary or desirable to complete and execute any such
                Section 16 filings and to timely file such forms or amendments
                thereto with the United States Securities and Exchange
                Commission (the "SEC") and any stock exchange or similar
                authority;

        3.      To seek or obtain, as my representative and on my behalf,
                information on transactions in the Company's securities from any
                third party, including brokers, employee benefit plan
                administrators and trustees; and

        4.      To take any other action of any type whatsoever that, in the
                opinion of my Attorney, may be necessary or desirable in
                connection with the foregoing grant of authority, it being
                understood that the documents executed by my Attorney pursuant
                to this limited power of attorney shall be in such form and
                shall contain such terms and conditions as my Attorney may
                approve.

I hereby grant to my Attorney full power and authority to do and to perform any
and every act and thing whatsoever requisite, necessary, or proper to be done in
the exercise of any of the rights and powers herein granted, as fully to all
intents and purposes as I might or could do if personally present, with full
power of substitution or revocation, hereby ratifying and confirming all that my
Attorney shall lawfully do or cause to be done by virtue of this limited power
of attorney and the rights and powers herein granted. I acknowledge and agree
that neither my Attorney nor the Company is assuming any of my responsibilities
to comply with the Exchange Act nor does this LPOA relieve me from my
responsibility for compliance with my obligations under the Exchange Act,
including without limitation the reporting requirements under Section 16 of the
Exchange Act.

I agree that my Attorney may rely entirely on information furnished orally or in
writing by me to my Attorney. I also agree to indemnify and hold harmless the
Company and my Attorney against any losses, claims, damages or liabilities (or
actions in these respects) that arise out of or are based upon any untrue
statements or omission of necessary facts in the information provided by me to
my Attorney or the Company for purposes of executing, acknowledging, delivering
or filing any Section 16 filings and agree to reimburse the Company and my
Attorney for any legal or other expenses reasonably incurred in connection with
investigating or defending against any such loss, claim, damage, liability or
action.

Pursuant to Number 3 above, I hereby authorize any such third person to release
any such information to my Attorney and I approve and ratify any such release of
information. This LPOA authorizes, but does not require, my Attorney to act in
her discretion on information provided to my Attorney pursuant to Number 3 above
without independent verification of such information.

This LPOA supersedes any power of attorney previously executed by me regarding
the powers granted herein, and the authority of any attorneys-in-fact named in
any power of attorney previously executed by me regarding the powers granted
herein.

This LPOA shall remain in full force and effect until I am no longer required to
make any Section 16 filings with respect to my holdings of, and transactions in,
securities of the Company, unless earlier 1) revoked by me in a signed writing
delivered to my Attorney and any substitute therefor, if any, or 2) superseded
by a new power of attorney regarding the powers granted herein dated as of a
later date. This LPOA may be filed with the SEC as a confirming statement of the
authority granted herein.

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IN WITNESS WHEREOF, I have executed this LPOA on this 12th day of December 2014.

                                        /s/ Michael D. Durham
                                        ----------------------------------------
                                        Signature

                                        Michael D. Durham
                                        ----------------------------------------
                                        Printed Name

STATE OF COLORAD                    )
                                    )
County of Douglas                   )

Subscribed and Sworn to before me this 12th day of December 2014 by

Michael D. Durham.

                                        /s/ Margaret M. Morison-Gille
                                        ----------------------------------------
                                        Notary Public

My commission expires: March 26, 2015
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Notary Seal: [NOTARY SEAL]