<SUBMISSION>
<ACCESSION-NUMBER>0001213900-24-008388
<TYPE>SC 13D/A
<PUBLIC-DOCUMENT-COUNT>1
<FILING-DATE>20240131
<DATE-OF-FILING-DATE-CHANGE>20240131
<GROUP-MEMBERS>ALLARD SERVICES LTD
<GROUP-MEMBERS>MARKHAM FUELS MANAGEMENT LTD
<GROUP-MEMBERS>MWB LTD
<GROUP-MEMBERS>STANNARD LTD
<GROUP-MEMBERS>YUMI MCINTYRE
<SUBJECT-COMPANY>
<COMPANY-DATA>
<CONFORMED-NAME>Advanced Emissions Solutions, Inc.
<CIK>0001515156
<ASSIGNED-SIC>2890
<ORGANIZATION-NAME>08 Industrial Applications and Services
<IRS-NUMBER>275472457
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>SC 13D/A
<ACT>34
<FILE-NUMBER>005-87576
<FILM-NUMBER>24582621
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>8051 E. MAPLEWOOD AVE., STE 210
<CITY>GREENWOOD VILLAGE
<STATE>CO
<ZIP>80111
<PHONE>720-598-3500
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>8051 E. MAPLEWOOD AVE., STE 210
<CITY>GREENWOOD VILLAGE
<STATE>CO
<ZIP>80111
</MAIL-ADDRESS>
</SUBJECT-COMPANY>
<FILED-BY>
<COMPANY-DATA>
<CONFORMED-NAME>McIntyre Julian Alexander
<CIK>0001963363
<ORGANIZATION-NAME>
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>SC 13D/A
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>30A BROOK STREET
<CITY>LONDON
<STATE>X0
<ZIP>W1K 5DJ
</MAIL-ADDRESS>
</FILED-BY>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>ea192582-13da1mcin_advanced.htm
<DESCRIPTION>AMENDMENT NO. 1 TO SCHEDULE 13D
<TEXT>


                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13D
                                 (Rule 13d-102)

            INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
             TO RULE 13d-l(a) AND AMENDMENTS THERETO FILED PURSUANT
                               TO RULE 13d-2(a)
                               (Amendment No. 1)*

                       Advanced Emissions Solutions, Inc.
                                (Name of Issuer)

                    Common stock, par value $0.001 per share
                         (Title of Class of Securities)

                                   00770C101
                                 (CUSIP Number)

                           McIntyre Julian Alexander
                                c/o Arq Limited
                                30A Brook Street
                                 London W1K 5DJ
                                 United Kingdom
                                +44-7824-443808
(Name, Address and Telephone Number of Person Authorized to Receive Notices and
                                Communications)

                                 March 9, 2023
            (Date of Event Which Requires Filing of this Statement)



If the filing person has previously filed a statement on Schedule 13G to report
the acquisition that is the subject of this Schedule 13D, and is filing this
schedule because of งง240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the
following box. ?



The information required on the remainder of this cover page shall not be deemed
to be “filed” for the purpose of Section 18 of the Securities Exchange Act of
1934 (“Act”) or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act.













CUSIP No. 00770C101




  1.   Name of Reporting Person

       McIntyre Julian Alexander
  2.   Check the Appropriate Box if a Member of a Group (See Instructions)

       (a) ? (b) ?

  3.   SEC Use Only


  4.   Source of Funds (See Instructions)

       OO (See Item 3 below)
  5.   Check if Disclosure of Legal Proceedings Is Required Pursuant to Item
       2(d) or 2(e)

       ?
  6.   Citizenship or Place of Organization

       United Kingdom


             7.  Sole Voting Power

 Number of       0
   Shares    8.  Shared Voting Power
Beneficially
  Owned by       3,044,836 shares of Common Stock
    Each     9.  Sole Dispositive Power
 Reporting
   Person        0
    With     10. Shared Dispositive Power

                 3,044,836 shares of Common Stock


 11.   Aggregate Amount Beneficially Owned by Each Reporting Person

       3,044,836 shares of Common Stock
 12.   Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See
       Instructions)

       ?
 13.   Percent of Class Represented by Amount in Row 11

       11.35% (1)
 14.   Type of Reporting Person (See Instructions)

       IN




(1) Based upon 26,824,773 shares of the Issuer’s Common Stock outstanding as of
    February 2, 2023.




Pursuant to Rule 13d-4, the Reporting Person, expressly disclaims beneficial
ownership of the securities reflected herein except to the extent of such
Reporting Person’s pecuniary interest therein and declares that this Schedule
13D shall not be construed as an admission that such Reporting Person is the
beneficial owner of any securities covered hereby.



                                       2





CUSIP No. 00770C101




  1.   Name of Reporting Person

       Yumi McIntyre
  2.   Check the Appropriate Box if a Member of a Group (See Instructions)

       (a) ? (b) ?

  3.   SEC Use Only


  4.   Source of Funds (See Instructions)

       OO (See Item 3 below)
  5.   Check if Disclosure of Legal Proceedings Is Required Pursuant to Item
       2(d) or 2(e)

       ?
  6.   Citizenship or Place of Organization

       United Kingdom


             7.  Sole Voting Power

 Number of       0
   Shares    8.  Shared Voting Power
Beneficially
  Owned by       39,271 shares of Common Stock
    Each     9.  Sole Dispositive Power
 Reporting
   Person        0
    With     10. Shared Dispositive Power

                 39,271 shares of Common Stock


 11.   Aggregate Amount Beneficially Owned by Each Reporting Person

       39,271 shares of Common Stock
 12.   Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See
       Instructions)

       ?
 13.   Percent of Class Represented by Amount in Row 11

       0.146% (1)
 14.   Type of Reporting Person (See Instructions)

       IN




(1) Based upon 26,824,773 shares of the Issuer’s Common Stock outstanding as of
    February 2, 2023.




                                       3





CUSIP No. 00770C101




  1.   Name of Reporting Entity

       Allard Services Limited
  2.   Check the Appropriate Box if a Member of a Group (See Instructions)

       (a) ? (b) ?

  3.   SEC Use Only


  4.   Source of Funds (See Instructions)

       WC, OO (See Item 3 below)
  5.   Check if Disclosure of Legal Proceedings Is Required Pursuant to Item
       2(d) or 2(e)

       ?
  6.   Citizenship or Place of Organization

       Tax resident of the United Kingdom, Incorporated under Isle of Man,
       British Isles


             7.  Sole Voting Power

 Number of       0
   Shares    8.  Shared Voting Power
Beneficially
  Owned by       2,636,370 shares of Common Stock
    Each     9.  Sole Dispositive Power
 Reporting
   Person        0
    With     10. Shared Dispositive Power

                 2,636,370 shares of Common Stock


 11.   Aggregate Amount Beneficially Owned by Each Reporting Person

       2,636,370 shares of Common Stock
 12.   Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See
       Instructions)

       ?
 13.   Percent of Class Represented by Amount in Row 11

       9.82% (1)
 14.   Type of Reporting Person (See Instructions)

       CO




(1) Based upon 26,824,773 shares of the Issuer’s Common Stock outstanding as of
    February 2, 2023.




                                       4





CUSIP No. 00770C101




  1.   Name of Reporting Persons

       Stannard Limited
  2.   Check the Appropriate Box if a Member of a Group (See Instructions)

       (a) ? (b) ?

  3.   SEC Use Only


  4.   Source of Funds (See Instructions)

       WC, OO (See Item 3 below)
  5.   Check if Disclosure of Legal Proceedings Is Required Pursuant to Item
       2(d) or 2(e)

       ?
  6.   Citizenship or Place of Organization

       Isle of Man


             7.  Sole Voting Power

 Number of       0
   Shares    8.  Shared Voting Power
Beneficially
  Owned by       20,563 shares of Common Stock
    Each     9.  Sole Dispositive Power
 Reporting
   Person        0
    With     10. Shared Dispositive Power

                 20,563 shares of Common Stock


 11.   Aggregate Amount Beneficially Owned by Each Reporting Person

       20,563 shares of Common Stock
 12.   Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See
       Instructions)

       ?
 13.   Percent of Class Represented by Amount in Row 11

       0.07% (1)
 14.   Type of Reporting Person (See Instructions)

       CO




(1) Based upon 26,824,773 shares of the Issuer’s Common Stock outstanding as of
    February 2, 2023.




                                       5





CUSIP No. 00770C101




  1.   Name of Reporting Persons

       Markham Fuels Management Limited
  2.   Check the Appropriate Box if a Member of a Group (See Instructions)

       (a) ? (b) ?

  3.   SEC Use Only


  4.   Source of Funds (See Instructions)

       WC, OO (See Item 3 below)
  5.   Check if Disclosure of Legal Proceedings Is Required Pursuant to Item
       2(d) or 2(e)

       ?
  6.   Citizenship or Place of Organization

       England and Wales


             7.  Sole Voting Power

 Number of       0
   Shares    8.  Shared Voting Power
Beneficially
  Owned by       39,271 shares of Common Stock
    Each     9.  Sole Dispositive Power
 Reporting
   Person        0
    With     10. Shared Dispositive Power

                 39,271 shares of Common Stock


 11.   Aggregate Amount Beneficially Owned by Each Reporting Person

       39,271 shares of Common Stock
 12.   Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See
       Instructions)

       ?
 13.   Percent of Class Represented by Amount in Row 11

       0.146% (1)
 14.   Type of Reporting Person (See Instructions)

       CO




(1) Based upon 26,824,773 shares of the Issuer’s Common Stock outstanding as of
    February 2, 2023.




                                       6





CUSIP No. 00770C101




  1.   Name of Reporting Persons

       MWB Limited
  2.   Check the Appropriate Box if a Member of a Group (See Instructions)

       (a) ? (b) ?

  3.   SEC Use Only


  4.   Source of Funds (See Instructions)

       WC, OO (See Item 3 below)
  5.   Check if Disclosure of Legal Proceedings Is Required Pursuant to Item
       2(d) or 2(e)

       ?
  6.   Citizenship or Place of Organization

       Isle of Man


             7.  Sole Voting Power

 Number of       0
   Shares    8.  Shared Voting Power
Beneficially
  Owned by       348,632 shares of Common Stock
    Each     9.  Sole Dispositive Power
 Reporting
   Person        0
    With     10. Shared Dispositive Power

                 348,632 shares of Common Stock


 11.   Aggregate Amount Beneficially Owned by Each Reporting Person

       348,632 shares of Common Stock
 12.   Check if the Aggregate Amount in Row (11) Excludes Certain Shares (See
       Instructions)

       ?
 13.   Percent of Class Represented by Amount in Row 11

       1.29% (1)
 14.   Type of Reporting Person (See Instructions)

       CO




(1) Based upon 26,824,773 shares of the Issuer’s Common Stock outstanding as of
    February 2, 2023.




                                       7





Item 1. Security and Issuer



This Amendment no. 1 (this “Amendment”) is being filed by Mr. Julian Alexander
McIntyre (“Mr. McIntyre”) and amends the initial statement on Schedule 13D filed
on March 13, 2023 (the “Initial Statement”, and together with this Amendment,
the “Statement”). This Statement is being filed by the Reporting Persons, to
report purchases by the Reporting Persons of shares of common stock, par value
$0.001 per share (“Common Stock”), of Advanced Emissions Solutions, Inc., a
Delaware corporation (the “Issuer”). Capitalized terms used herein that are not
otherwise defined shall have the respective meanings assigned thereto in the
Initial Statement.



Except as modified by the information provided in this Item 1, the information
set forth in Item 1 of the Initial Statement, is incorporated by reference
herein in response to the disclosure requirements of Item 1 of Schedule 13D.



Item 2. Identity and Background



This Amendment is being filed by Mr. McIntyre, Allard Services Limited
(“Allard”), Stannard Limited (“Stannard”), Markham Fuels Management Limited
(“Markham”) and MWB Limited (“MWB”), collectively the “Reporting Persons”.


The information set forth in the Initial Statement in response to:



 - paragraphs (b)-(c) and (f) of Item 2, concerning Mr. McIntyre, Allard and
   Stannard


 - paragraphs (a), (b), (c) and (f) of Item 2, concerning Allard’s and Stannard’s
   executive officers and directors;




is in each case incorporated by reference herein in response to the disclosures
required by the corresponding paragraphs of this Amendment.



Criminal Proceedings: The information set forth in the corresponding paragraph
of the Initial Statement with respect to the Mr. McIntyre, Allard, and Stannard
is incorporated by reference herein.



Civil Proceedings: The information set forth in the corresponding paragraph of
the Initial Statement with respect to the Mr. McIntyre, Allard, and Stannard is
incorporated by reference herein.



The business address for Allard, Stannard and Markham is 1st Floor South, 101
New Cavendish Street, London W1W 6XH, United Kingdom. Allard is a tax resident
of the United Kingdom and incorporated under Isle of Man. Markham is
incorporated under the laws of England and Wales. The business address of MWB is
36 Hope Street, Douglas, Isle of Man, IM1 1AR. MWB is incorporated under the
laws of the Isle of Man.



Positions at Allard:



Name         Position   Citizenship
Jamie Kean   Director       UK




Positions at Stannard:



Name         Position   Citizenship
Jamie Kean   Director       UK




                                       8





Positions at Markham:



Name                              Position   Citizenship
Julian Alexander McIntyre         Director       UK
Venkatraghavan Sivaramakrishnan   Director       UK




Markham is owned by Mr. McIntyre’s spouse, Mrs. Yumi McIntyre. Mr. McIntyre and
Mrs. Yumi McIntyre may be deemed to have shared beneficial ownership of the
Common Stock owned by Markham.



Positions at MWB:



Name                     Position   Citizenship
Victoria Anne Reynolds   Director       UK
Susan Christine Cubbon   Director       UK




MWB is owned by Allard and holds their securities in trust for Mr. McIntyre.



None of the Reporting Persons has been convicted in a criminal proceeding during
the last five year period prior to the date hereof.



None of the Reporting Persons has been party to any civil proceeding of a
judicial or administrative body of competent jurisdiction and as a result of
such proceeding was or is subject to a judgment, decree, or final order
enjoining future violations of, or prohibiting or mandating activities subject
to, federal or state securities laws, or finding any violation with respect to
such laws during the last five year period prior to the date hereof.



Item 3. Source and Amount of Funds or Other Consideration



The information set forth in Item 3 of the Initial Statement, is incorporated by
reference herein in response to the disclosure requirements of Item 3 of
Schedule 13D.



Included in the amount beneficially owned by the Reporting Persons in this
Amendment are 778,061 shares of Common Stock that were issuable upon conversion
of the Preferred Stock (as described in the Initial Statement), and subsequently
converted pursuant to Issuer’s shareholder approval on June 13, 2023.



In addition, the shares Common Stock held by Markham and MWB have been included
in this Amendment.



Item 4. Purpose of Transaction



The information set forth in Item 4 of the Initial Statement, is incorporated by
reference herein in response to the disclosure requirements of Item 4 of
Schedule 13D.



Mr. McIntyre, a member of the Issuer’s our board of directors, is the beneficial
owner of 3,044,836 shares of Common Stock, of which 2,636,370 shares are held by
Allard, 39,271 shares are held by Markham, 20,563 shares are held by Stannard
and 348,632 shares are held by MWB.



In addition, Allard owns 80% of MWB but has an arrangement with the other 20%
shareholder that on a wind-up of MWB, Allard will receive 318,632 shares of
Common Stock (i.e., 91% of Common Stock held by MWB) while the other 20%
shareholder will receive 30,000 shares of Common Stock (i.e., 9% of Common Stock
held by MWB) (the “MWB Arrangement”).



The securities reported herein do not include those shares of Common Stock that
Mr. McIntyre may receive upon the release of an aggregate of 844,698 shares of
Common Stock held in escrow pending the resolution of a tax matter related to
the Arq Transaction (as described in the Initial Statement).



                                       9





The Reporting Persons reserve the right to revise their plans or intentions
and/or to formulate other plans, and take any and all actions with respect to
their investment in the Issuer they may deem appropriate, including any or all
of the actions set forth in paragraphs (a) through (j) of Item 4 of Schedule
13D/A, or acquire additional shares of Common Stock or dispose of some or all of
the shares beneficially owned by the Reporting Persons, in open market or
private transactions, block sales or purchases or otherwise, in each case, to
maximize the value of their investment in the Issuer in light of its general
investment policies, market conditions and subsequent developments affecting the
Issuer. The Reporting Persons may at any time reconsider and change their plans
relating to the foregoing.



Item 5. Interest in Securities of the Issuer



The information set forth in Item 5 of the Initial Statement, is incorporated by
reference herein in response to the disclosure requirements of Item 5 of
Schedule 13D.



The information provided in response to Item 4 above is incorporated herein by
reference.



All calculations of beneficial ownership percentage in this Amendment are made
on the basis of 26,824,773 shares of the Issuer’s Common Stock outstanding as of
February 2, 2023.



Allard is the beneficial owner of 2,636,370 shares of Common Stock of the
Issuer, constituting 9.82% of the issued and outstanding shares of Common Stock
of the Issuer. Stannard is the beneficial owner of 20,563 shares of Common Stock
of the Issuer, constituting 0.07% of the issued and outstanding shares of Common
Stock of the Issuer. Markham is the beneficial owner of 39,271 shares of Common
Stock of the Issuer, constituting 0.146% of the issued and outstanding shares of
Common Stock of the Issuer. MWB is the beneficial owner of 348,632 shares of
Common Stock of the Issuer, constituting 1.29% of the issued and outstanding
shares of Common Stock of the Issuer.



Mr. McIntyre controls Allard and Allard controls MWB, therefore Mr. McIntyre is
deemed to be an indirect beneficial owner of the securities of Allard and MWB.
Further, Mr. McIntyre’s spouse controls Stannard and Markham, therefore Mr.
McIntyre may be deemed to be an indirect beneficial owner of the securities of
Stannard and Markham.



(c) Except as reported in this Amendment, the Reporting Persons have not
effected any transactions in the Issuer’s securities within the past 60 days.



(d) Not applicable.



(e) Not applicable.



Item 6. Contracts, Arrangements, Understandings or Relationships with Respect to
Securities of the Issuer



The information set forth in Item 6 of the Initial Statement, is incorporated by
reference herein in response to the disclosure requirements of Item 6 of
Schedule 13D.



In October 2022, the shareholders of MWB agreed to the MWB Arrangement as
described in Item 4 above for shares of Common Stock held by MWB.



The information provided in response to Item 4 above is incorporated herein by
reference.



Item 7. Material to be Filed as Exhibits



Not applicable.



                                       10





                                   SIGNATURE



After reasonable inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this Statement is true, complete and correct.



Dated: January 31, 2024



/s/ Julian Alexander McIntyre
Julian Alexander McIntyre

/s/ Yumi McIntyre
Yumi McIntyre

Allard Services Limited

By:       /s/ Jaime Kean
Name:     Jaime Kean
Title:    Director

Stannard Limited

By:       /s/ Jaime Kean
Name:     Jaime Kean
Title:    Director




Markham Fuels Management Limited

By:    /s/ Julian Alexander McIntyre
Name:  Julian Alexander McIntyre
Title: Director




MWB Limited

By:    /s/ Victoria Anne Reynolds
Name:  Victoria Anne Reynolds
Title: Director






                                       11
</TEXT>
</DOCUMENT>
</SUBMISSION>