**Appendix A**

**Figure A1.** Process-side calculation (part 1).

**Figure A2.** Process-side calculation (part 2).

**Figure A3.** Process-side calculation (part 3).

**Figure A4.** Process-side calculation (part 4).

**Figure A5.** Steam-side calculation (part 1).

**Figure A6.** Steam-side calculation (part 2).
