Document:

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                                                                   EXHIBiT 10.36

                            INCENTIVE BONUS AGREEMENT

         AGREEMENT,  made and entered  into as of this 23rd day of June,  2000
by and between  Aqua-Chem,  Inc.,  a Delaware corporation ("AQM") and Robert S.
Loomis (the "EXECUTIVE").

                                   WITNESSETH:

         WHEREAS, AQM desires to provide an incentive to certain of its key
officers and directors to improve earnings and create shareholder value; and

         WHEREAS, the Executive is a key officer or director of AQM and by
virtue thereof is in a position to significantly impact the business of AQM and,
thereby, create shareholder value.

         NOW, THEREFORE, in consideration of the premises and the mutual
covenants hereinafter set forth, AQM and the Executive hereby agree as follows:

1.       COMPANY SALE. Unless AQM has previously elected to pay an Accelerated
Bonus to the Executive in accordance with Section 6 hereof, in the event of the
consummation of a sale or transfer to a third party purchaser not affiliated in
any manner with AQM or its existing stockholders (the "Buyer") of either all of
the outstanding Common Stock of AQM or a sale of all or substantially all of the
assets of AQM whether for cash or securities of the Buyer (regardless of the
form of transaction, a "Company Sale"), and only in such event, the Executive
shall, subject to the conditions hereinafter set forth (including, without
limitation, those set forth in Section 10), be eligible to receive a "Sale
Bonus" (as hereinafter defined), with such Sale Bonus to be paid by AQM in full
or in installments at such time or times and to the same extent as the
Stockholders actually receive payment of the consideration with respect to their
Common Stock, whether that consideration is provided directly by the Buyer to
the Stockholders (in the event of a stock sale or transfer) or by the Buyer to
AQM and then, by way of distribution, from AQM to the Stockholders (in the event
of an asset sale or transfer).

2.       "SALE  BONUS"  shall mean an amount  equal to:  (A) the  "Vested
Percentage"  (as  hereinafter  defined), multiplied by (B) the "Maximum Sale
Bonus Opportunity" (as hereinafter defined).

3.       "VESTED PERCENTAGE" shall mean:

         (a) 100%,  in the  event  that the  Executive  is  employed  by AQM or
             serving  as a  Director  of AQM on the date of the consummation of
             a Company Sale;

         (b) 100%, in the event that the Executive is not employed by AQM or
             serving as a Director of AQM on the date of the consummation of a
             Company Sale but all of the following have occurred: (i)
             discussions have been commenced with a potential Buyer with a view
             towards the consummation of a Company Sale; (ii) subsequent to the
             commencement of such discussions, the services of the Executive
             were terminated by AQM for reasons other than "Cause" (as
             hereinafter defined); and (iii) within six months after the
             termination of the Executive's services by AQM for reasons other
             than Cause, a transaction constituting a Company Sale is
             consummated;

         (c) 100%, in the event that the Executive is not employed by AQM or
             serving as a Director of AQM on the date of the consummation of a
             Company Sale but was so

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<PAGE>   2

             providing services to AQM for five or more years after the date of
             this Agreement and the termination of such services was not the
             result of a termination for Cause by AQM;

         (d) 66 2/3%, in the event that the Executive is not employed by AQM
             or serving as a Director of AQM on the date of the consummation of
             a Company Sale but was so providing services to AQM for at least
             four years but less than five years after the date of this
             Agreement and the termination of such services was not the result
             of a termination for Cause by AQM;

         (e) 33 1/3%, in the event that the Executive is not employed by AQM or
             serving as a Director of AQM on the date of the consummation of a
             Company Sale but was so providing services to AQM for at least
             three years but less than four years after the date of this
             Agreement and the termination of such services was not the result
             of a termination for Cause by AQM; and

         (f) 0%, in the event that the Executive is not employed by AQM or
             serving as a Director of AQM on the date of the consummation of a
             Company Sale and either (i) the Executive provided services to AQM
             for less than three years after the date of this Agreement, or
             (ii) regardless of the number of years the Executive provided
             services to AQM after the date of this Agreement, the termination
             of the Executive's services was the result of a termination for
             Cause by AQM.

4.       "CAUSE" shall mean any one (or more) of the following: (i) the
Executive's commission of any fraud, misappropriation or misconduct which causes
demonstrable injury to AQM or a subsidiary or affiliate; or (ii) an act of
dishonesty by the Executive resulting or intended to result, directly or
indirectly, in gain or personal enrichment at the expense of the AQM or a
subsidiary or affiliate; or (iii) as defined in any written employment agreement
between the Executive and AQM. It shall be within the discretion of the AQM
Board of Directors (the "BOARD") to determine whether the Executive's
termination was for one of the foregoing reasons, and its decision shall be
final and conclusive.

5.       "MAXIMUM SALE BONUS OPPORTUNITY" shall mean an amount equal to:

         (a) The total cash and the fair market value of all other
             consideration actually received or to be received by the
             Stockholders as a result of the Company Sale (net of any fees or
             expenses incurred in connection with the Company Sale), multiplied
             by

         (b) A fraction, the numerator of which is 42,818 (the "BONUS UNITS")
             and the denominator of which is the sum of (i) the total number of
             issued and outstanding shares of Common Stock at the time of
             consummation of the Company Sale (calculated on a fully diluted
             basis and assuming that any and all warrants, options or other
             rights to acquire Common Stock have been exercised), plus (ii)
             231,216 (representing the total Bonus Units awarded to all AQM
             directors and officers), from which result (the product of (a) and
             (b)) there shall be subtracted an amount equal to

         (c) The result obtained by multiplying  (i) 42,818 (the Bonus Units
             awarded to the  Executive), by (ii) Three and 75/100Dollars
             ($3.75).

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<PAGE>   3

6.       ACCELERATED BONUS. Except as specifically provided to the contrary in
Section 3(b) hereof, in the event the Executive ceases to be employed by AQM or
serve as a director of AQM prior to the consummation of a Company Sale, in full
and complete satisfaction of any Sale Bonus that the Executive might otherwise
become entitled to receive in the future pursuant to Section 1, AQM may, by
written notice to the Executive within ninety days after the cessation of the
performance of services by the Executive, elect to pay the Executive an
Accelerated Bonus as hereinafter defined. The Accelerated Bonus shall be an
amount equal to (i) the Vested Percentage determined in accordance with Section
3 hereof, multiplied by (ii) the Executive's Bonus Units as set forth in Section
5(b) hereof with the product so obtained multiplied by the Per Bonus Unit Price
as hereinafter defined. The "Per Bonus Unit Price" shall mean an amount equal to
the fair market value (as determined by an appraiser, selected by the Board, who
is a member of a nationally recognized investment banking firm) of one share of
AQM Common Stock, determined on a fully diluted basis and on the assumption that
the total 231,216 Bonus Units awarded to all AQM directors and officers were
actual issued and outstanding shares of AQM Common Stock.

7.       All determinations required to be made under this Agreement shall be
made by the Board which may exercise its powers directly or through the
Compensation Committee of the Board (the "COMMITTEE"). All references in this
Agreement to the Board shall, to the extent the Board has delegated authority to
the Committee, include the Committee The Board shall have discretionary
authority to interpret the terms of this Agreement, to adopt and revise rules,
regulations and policies to administer or implement this Agreement and to make
any and all factual determinations which it believes to be necessary or
advisable for the implementation or administration of this Agreement. All
actions taken and interpretations and determinations made by the Board in good
faith shall be final and binding upon AQM, the Executive and all other
interested persons. No member of the Board or the Committee, nor any person to
whom ministerial duties have been delegated, shall be personally liable for any
action, interpretation or determination made with respect to this Agreement or
any matter arising
hereunder.

8.       The Board may, at any time, make or provide for such adjustments to the
Bonus Units and/or the other terms of this Agreement, as the Board shall deem
appropriate, but only to prevent dilution or enlargement of rights, including,
without limitation, adjustments in the event of stock dividends, stock splits,
recapitalizations and the like.

9.       Nothing contained herein shall convey to the Executive (i) any right to
continued employment with AQM or any affiliate or to continue to serve as a
director of AQM or any affiliate or (ii) any right at any time to receive any
Common Stock, any equity interest in AQM of any nature whatsoever or any rights
as a Stockholder. The Executive, as to any amounts due him hereunder, shall be a
general unsecured creditor and shall not have any security interest in any asset
of AQM. The Executive may, by delivering written notice to AQM to the attention
of its President and with a copy to its Secretary, designate a beneficiary to
receive any benefits provided hereunder in the event of the Executive's death.
Such designation may be revoked by the Executive during the Executive's lifetime
by subsequent delivery of a similar written notice to AQM. AQM shall be entitled
to rely on the most recent written designation of beneficiary notice on file
from the Executive. Except for such written designation of a beneficiary, the
Executive may not assign this Agreement or any of the Executive's rights
hereunder. In the absence of the receipt by AQM of a written designation of
beneficiary, in the event of the Executive's death any benefits due hereunder
shall be paid in accordance with the terms of this Agreement to the Executive's
estate.

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10.      Notwithstanding anything to the contrary herein (i) in the event of the
consummation of a Company Sale, this Agreement shall not apply to any subsequent
Company Sale and (ii) this Agreement shall terminate ten years from the date
hereof.

11.      All payments hereunder shall be reduced by any and all withholding
required by law.

12.      This Agreement shall be governed by the laws of Wisconsin, supercedes
any prior agreements or understandings of the parties with respect to its
subject matter, contains the entire agreement of the parties and, except as
specifically set forth herein, may only be amended by a written instrument
signed by the parties.

        IN WITNESS WHEREOF, the undersigned have executed this Agreement as of
the day and year first above written.

                                     Aqua-Chem, Inc.

                                     By: /s/David M. Tenniswood
                                         ---------------------------------------
                                     Its: President and Chief Executive Officer
                                         ---------------------------------------

                                     /s/ Robert S. Loomis
                                     --------------------
                                     The Executive, Individually

                                       4<PAGE>   1
                                                                   EXHIBIT 10.37

                            INCENTIVE BONUS AGREEMENT

         AGREEMENT,  made and entered  into as of this 23rd day of June,  2000
by and between  Aqua-Chem,  Inc.,  a Delaware corporation ("AQM") and Donna P.
Chapman (the "EXECUTIVE").

                                   WITNESSETH:

         WHEREAS, AQM desires to provide an incentive to certain of its key
officers and directors to improve earnings and create shareholder value; and

         WHEREAS, the Executive is a key officer or director of AQM and by
virtue thereof is in a position to significantly impact the business of AQM and,
thereby, create shareholder value.

         NOW, THEREFORE, in consideration of the premises and the mutual
covenants hereinafter set forth, AQM and the Executive hereby agree as follows:

1.       COMPANY SALE. Unless AQM has previously elected to pay an Accelerated
Bonus to the Executive in accordance with Section 6 hereof, in the event of the
consummation of a sale or transfer to a third party purchaser not affiliated in
any manner with AQM or its existing stockholders (the "Buyer") of either all of
the outstanding Common Stock of AQM or a sale of all or substantially all of the
assets of AQM whether for cash or securities of the Buyer (regardless of the
form of transaction, a "Company Sale"), and only in such event, the Executive
shall, subject to the conditions hereinafter set forth (including, without
limitation, those set forth in Section 10), be eligible to receive a "Sale
Bonus" (as hereinafter defined), with such Sale Bonus to be paid by AQM in full
or in installments at such time or times and to the same extent as the
Stockholders actually receive payment of the consideration with respect to their
Common Stock, whether that consideration is provided directly by the Buyer to
the Stockholders (in the event of a stock sale or transfer) or by the Buyer to
AQM and then, by way of distribution, from AQM to the Stockholders (in the event
of an asset sale or transfer).

2.       "SALE  BONUS"  shall mean an amount  equal to:  (A) the  "Vested
Percentage"  (as  hereinafter  defined), multiplied by (B) the "Maximum Sale
Bonus Opportunity" (as hereinafter defined).

3.       "VESTED PERCENTAGE" shall mean:

         (a) 100%,  in the  event  that the  Executive  is  employed  by AQM or
             serving  as a  Director  of AQM on the date of the consummation of
             a Company Sale;

         (b) 100%, in the event that the Executive is not employed by AQM or
             serving as a Director of AQM on the date of the consummation of a
             Company Sale but all of the following have occurred: (i)
             discussions have been commenced with a potential Buyer with a view
             towards the consummation of a Company Sale; (ii) subsequent to the
             commencement of such discussions, the services of the Executive
             were terminated by AQM for reasons other than "Cause" (as
             hereinafter defined); and (iii) within six months after the
             termination of the Executive's services by AQM for reasons other
             than Cause, a transaction constituting a Company Sale is
             consummated;

         (c) 100%, in the event that the Executive is not employed by AQM or
             serving as a Director of AQM on the date of the consummation of a
             Company Sale but was so

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             providing services to AQM for five or more
             years after the date of this Agreement and the termination of such
             services was not the result of a termination for Cause by AQM;

         (d) 66 2/3%, in the event that the Executive is not employed by AQM
             or serving as a Director of AQM on the date of the consummation of
             a Company Sale but was so providing services to AQM for at least
             four years but less than five years after the date of this
             Agreement and the termination of such services was not the result
             of a termination for Cause by AQM;

         (e) 33 1/3%, in the event that the Executive is not employed by AQM or
             serving as a Director of AQM on the date of the consummation of a
             Company Sale but was so providing services to AQM for at least
             three years but less than four years after the date of this
             Agreement and the termination of such services was not the result
             of a termination for Cause by AQM; and

         (f) 0%, in the event that the Executive is not employed by AQM or
             serving as a Director of AQM on the date of the consummation of a
             Company Sale and either (i) the Executive provided services to AQM
             for less than three years after the date of this Agreement, or
             (ii) regardless of the number of years the Executive provided
             services to AQM after the date of this Agreement, the termination
             of the Executive's services was the result of a termination for
             Cause by AQM.

4.       "CAUSE" shall mean any one (or more) of the following: (i) the
Executive's commission of any fraud, misappropriation or misconduct which causes
demonstrable injury to AQM or a subsidiary or affiliate; or (ii) an act of
dishonesty by the Executive resulting or intended to result, directly or
indirectly, in gain or personal enrichment at the expense of the AQM or a
subsidiary or affiliate; or (iii) as defined in any written employment agreement
between the Executive and AQM. It shall be within the discretion of the AQM
Board of Directors (the "BOARD") to determine whether the Executive's
termination was for one of the foregoing reasons, and its decision shall be
final and conclusive.

5.       "MAXIMUM SALE BONUS OPPORTUNITY" shall mean an amount equal to:

         (a) The total cash and the fair market value of all other
             consideration actually received or to be received by the
             Stockholders as a result of the Company Sale (net of any fees or
             expenses incurred in connection with the Company Sale), multiplied
             by

         (b) A fraction, the numerator of which is 12,845 (the "BONUS UNITS")
             and the denominator of which is the sum of (i) the total number of
             issued and outstanding shares of Common Stock at the time of
             consummation of the Company Sale (calculated on a fully diluted
             basis and assuming that any and all warrants, options or other
             rights to acquire Common Stock have been exercised), plus (ii)
             231,216 (representing the total Bonus Units awarded to all AQM
             directors and officers), from which result (the product of (a) and
             (b)) there shall be subtracted an amount equal to

         (c) The result obtained by multiplying  (i) 12,845 (the Bonus Units
             awarded to the  Executive),  by (ii) Three and 75/100Dollars
             ($3.75).

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<PAGE>   3

6.       ACCELERATED BONUS. Except as specifically provided to the contrary in
Section 3(b) hereof, in the event the Executive ceases to be employed by AQM or
serve as a director of AQM prior to the consummation of a Company Sale, in full
and complete satisfaction of any Sale Bonus that the Executive might otherwise
become entitled to receive in the future pursuant to Section 1, AQM may, by
written notice to the Executive within ninety days after the cessation of the
performance of services by the Executive, elect to pay the Executive an
Accelerated Bonus as hereinafter defined. The Accelerated Bonus shall be an
amount equal to (i) the Vested Percentage determined in accordance with Section
3 hereof, multiplied by (ii) the Executive's Bonus Units as set forth in Section
5(b) hereof with the product so obtained multiplied by the Per Bonus Unit Price
as hereinafter defined. The "Per Bonus Unit Price" shall mean an amount equal to
the fair market value (as determined by an appraiser, selected by the Board, who
is a member of a nationally recognized investment banking firm) of one share of
AQM Common Stock, determined on a fully diluted basis and on the assumption that
the total 231,216 Bonus Units awarded to all AQM directors and officers were
actual issued and outstanding shares of AQM Common Stock.

7.       All determinations required to be made under this Agreement shall be
made by the Board which may exercise its powers directly or through the
Compensation Committee of the Board (the "COMMITTEE"). All references in this
Agreement to the Board shall, to the extent the Board has delegated authority to
the Committee, include the Committee The Board shall have discretionary
authority to interpret the terms of this Agreement, to adopt and revise rules,
regulations and policies to administer or implement this Agreement and to make
any and all factual determinations which it believes to be necessary or
advisable for the implementation or administration of this Agreement. All
actions taken and interpretations and determinations made by the Board in good
faith shall be final and binding upon AQM, the Executive and all other
interested persons. No member of the Board or the Committee, nor any person to
whom ministerial duties have been delegated, shall be personally liable for any
action, interpretation or determination made with respect to this Agreement or
any matter arising hereunder.

8.       The Board may, at any time, make or provide for such adjustments to the
Bonus Units and/or the other terms of this Agreement, as the Board shall deem
appropriate, but only to prevent dilution or enlargement of rights, including,
without limitation, adjustments in the event of stock dividends, stock splits,
recapitalizations and the like.

9.       Nothing contained herein shall convey to the Executive (i) any right to
continued employment with AQM or any affiliate or to continue to serve as a
director of AQM or any affiliate or (ii) any right at any time to receive any
Common Stock, any equity interest in AQM of any nature whatsoever or any rights
as a Stockholder. The Executive, as to any amounts due him hereunder, shall be a
general unsecured creditor and shall not have any security interest in any asset
of AQM. The Executive may, by delivering written notice to AQM to the attention
of its President and with a copy to its Secretary, designate a beneficiary to
receive any benefits provided hereunder in the event of the Executive's death.
Such designation may be revoked by the Executive during the Executive's lifetime
by subsequent delivery of a similar written notice to AQM. AQM shall be entitled
to rely on the most recent written designation of beneficiary notice on file
from the Executive. Except for such written designation of a beneficiary, the
Executive may not assign this Agreement or any of the Executive's rights
hereunder. In the absence of the receipt by AQM of a written designation of
beneficiary, in the event of the Executive's death any benefits due hereunder
shall be paid in accordance with the terms of this Agreement to the Executive's
estate.

                                       3
<PAGE>   4

10.      Notwithstanding anything to the contrary herein (i) in the event of the
consummation of a Company Sale, this Agreement shall not apply to any subsequent
Company Sale and (ii) this Agreement shall terminate ten years from the date
hereof.

11.      All payments hereunder shall be reduced by any and all withholding
required by law.

12.      This Agreement shall be governed by the laws of Wisconsin, supercedes
any prior agreements or understandings of the parties with respect to its
subject matter, contains the entire agreement of the parties and, except as
specifically set forth herein, may only be amended by a written instrument
signed by the parties.

         IN WITNESS WHEREOF, the undersigned have executed this Agreement as of
the day and year first above written.

                                     Aqua-Chem, Inc.

                                     By: /s/David M. Tenniswood
                                         ---------------------------------------
                                     Its: President and Chief Executive Officer
                                         ---------------------------------------

                                     /s/ Donna P. Chapman
                                     --------------------
                                     The Executive, Individually

                                       4

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