Updated: January 16, 2017

**LIST OF PUBLICATIONS OF I. HECKL**

82 | Éles, A., A. Szlama, I. Heckl, and H. Cabezas, Evaluation of the energy options of a manufacturing firm by the P-graph methodology, presented at the VOCAL 2016 (7th VOCAL Optimization Conference: Advanced Algorithms), Esztergom, Hungary, December 12-15, 2016. |

81 | Éles, A. and I. Heckl, General Mixed-Integer Linear Programming model for mobile workforce management with handling of unexpected delays, presented at the VOCAL 2016 (7th VOCAL Optimization Conference: Advanced Algorithms), Esztergom, Hungary, December 12-15, 2016. |

80 | Szlama, A., I. Heckl, and H. Cabezas, Optimal design of renewable energy systems with flexible inputs and outputs using the P-graph framework, AIChE Journal, 62, 1143-1153 (2016). |

79 | Narodoslawsky, M., H. Cabezas, S. Maier, and I. Heckl, Using regional resources sustainably and efficiently, Chemical Engineering Progress, 112, 48-54 (2016). |

78 | Bertók, B. and I. Heckl, Process synthesis by the P-graph framework involving sustainability (book chapter), Sustainability in the Design, Synthesis and Analysis of Chemical Engineering Processes (Editors: Gerardo Ruiz-Mercado and Heriberto Cabezas, ISBN: 9780128020647), 203-225, Butterworth-Heinemann Ltd., Oxford, United Kingdom, 2016. |

77 | Heckl, I., H. Cabezas, and F. Friedler, Designing Sustainable Supply Chains in the Energy-Water-Food Nexus by the P-graph Methodology, Chemical Engineering Transactions, 45, 1351-1356 (2015). |

76 | Losada, J.P., I. Heckl, B. Bertok, F. Friedler, J. C. Garcia-Ojeda, and A. Argoti, Process-network Synthesis for Benzaldehyde Production: P-graph Approach, Chemical Engineering Transactions, 45, 1369-1374 (2015). |

75 | Heckl, I., H. Cabezas, and F. Friedler, Designing Sustainable Supply Chains in the Energy-Water-Food Nexus by the P-graph Methodology, presented at PRES'15 (18th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction), Kuching, Malaysia, August 23-27, 2015. |

74 | Losada, J.P., I. Heckl, B. Bertok, F. Friedler, J.C. Garcia-Ojeda, and A. Argoti, Process-network Synthesis for Benzaldehyde Production: P-graph Approach, presented at PRES'15 (18th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction), Kuching, Malaysia, August 23-27, 2015. |

73 | Vance, L., I. Heckl, B. Bertok, H. Cabezas, and F. Friedler, Designing Sustainable Energy Supply Chains by the P-graph Method for Minimal Cost, Environmental Burden, Energy Resources Input, Journal of Cleaner Production, 94, 144-154 (2015). |

72 | Halasz, L., M. Frits, P.I. Borbas, and I. Heckl, Logistics simulation of sites for short term scheduling in the oil industry, presented at 4th International Congress on Sustainability Science & Engineering (ICOSSE 2015), Balatonfüred, Hungary, May 26-29, 2015. |

71 | Cabezas, H., I. Heckl, B. Bertok, and F. Friedler, The P-graph Framework as Design Tool for Sustainability in the Energy-Water-Food Nexus, presented at 4th International Congress on Sustainability Science & Engineering (ICOSSE 2015), Balatonfüred, Hungary, May 26-29, 2015. |

70 | Szlama, A., I. Heckl, and H. Cabezas, Optimal design of renewable energy systems using the P-graph methodology, presented at 4th International Congress on Sustainability Science & Engineering (ICOSSE 2015), Balatonfüred, Hungary, May 26-29, 2015. |

69 | Heckl, I., L. Halasz, A. Szlama, H. Cabezas, and F. Friedler, Process synthesis involving multi-period operations by the P-graph framework, Computers and Chemical Engineering, 83, 157.164 (2015). |

68 | Heckl, I., P.I. Borbas, B. Szombathelyi, and M. Frits, Simulator for distribution scheduling in downstream, MACRo 2015. Proceedings of the 5th International Conference on Recent Achievements in Mechatronics, Automation, Computer Science and Robotics, 75-79 (2015). |

67 | Heckl, I., P.I. Borbas, B. Szombathelyi, and M. Frits, Simulator for distribution scheduling in downstream, presented at the 5th International Conference on Recent Achievements in Mechatronics, Automation, Computer Sciences and Robotics, Tîrgu Mureş, Romania, March 6-7, 2015. |

66 | Cabezas, H., I. Heckl, B. Bertok, and F. Friedler, Use the P-graph Framework to Design Supply Chains for Sustainability, Chemical Engineering Progress, 111, 41-47 (2015). |

65 | Szlama, A. and I. Heckl, Optimal design of large-scale energy systems using the P-graph methodology, presented at the VOCAL 2014 (Veszprém Optimization Conference: Advanced Algorithms), Veszprém, Hungary, December 14-17, 2014. |

64 | Cabezas, H., I. Heckl, B. Bertok, and F. Friedler, The P-graph Methodology as Tool for Studying Sustainability in the Energy-Water-Food Nexus, presented at AIChE Annual Meeting, Atlanta, Georgia, U.S.A., November 16.21, 2014. |

63 | Heckl, I., L. Halasz, A. Szlama, and H. Cabezas, Energy supply chain synthesis involving multi-period operations, presented at 2nd International Symposium on Energy Challenges and Mechanics (ECM2), Aberdeen, Scotland, UK, August 19-21, 2014. |

62 | Vance, L., I. Heckl, B. Bertok, H. Cabezas, and F. Friedler, Designing Energy Supply Chains with the P-graph Framework under Cost Constraints and Sustainability Considerations, Computer Aided Chemical Engineering, 33, 1009-1014 (2014). |

61 | Heckl, I., L. Halasz, A. Szlama, H. Cabezas, and F. Friedler, Modeling Multi-period Operations using the P-graph Methodology, Computer Aided Chemical Engineering, 33, 979-984 (2014). |

60 | Heckl, I., L. Halász, A. Szlama, H. Cabezas, and F. Friedler, Modeling Multi-period Operations using the P-graph Methodology, presented at ESCAPE 24 (24th European Symposium on Computer Aided Process Engineering), Budapest, Hungary, June 15-18, 2014. |

59 | Vance, L., I. Heckl, B. Bertok, H. Cabezas, F. Friedler, Designing Energy Supply Chains with the P-graph Framework under Cost Constraints and Sustainability Considerations, presented at ESCAPE 24 (24th European Symposium on Computer Aided Process Engineering), Budapest, Hungary, June 15-18, 2014. |

58 | Heckl, I., M. Frits, T. Tarczali, A. Skrop, and B. Bertok, Information System for Recommending Itinerary According to Personal Preferences, presented at 3d International conference Management of Tourism and Sports, Sveti Martin, Croatia, April 10-11, 2014. |

57 | Ng, W.P.Q., P.S. Varbanov, J.J. Klemes, M. Hegyhati, B. Bertok, I. Heckl, and H.L. Lam, Waste to Energy for Small Cities: Economics Versus Carbon Footprint, Chemical Engineering Transactions, 35, 889-894 (2013). |

56 | Baumgartner, J., M. Frits, I. Heckl, and B. Bertok, Track closure management system, presented at InnoRail 2013, Budapest, Hungary, October 28-30, 2013. |

55 | Ng, W.P.Q., P.S. Varbanov, J.J. Klemeš, M. Hegyhati, B. Bertok, I. Heckl, and H.L. Lam, Waste to Energy for Small Cities: Economics Versus Carbon Footprint, presented at PRES'13 (16th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction), Rhodes, Greece, September 29 - October 2, 2013. |

54 | Heckl, I., L. Vance, B. Bertok, H. Cabezas, and F. Friedler, Sustainable Energy Supply Chain Synthesis with Multiple Metrics Using the P-Graph Methodology, presented at SDEWES 2013 (8th Conference on sustainable development of energy, water and environment systems), Dubrovnik, Croatia, September 22 - 27, 2013. |

53 | Friedler, F., B. Bertok, I. Heckl, L. Vance, and H. Cabezas, Development and Comparison of Sustainable Energy Supply Chains Using the P-Graph Methodology with Integration of Ecological Footprint and Emergy Analysis Criteria, presented at ICOSSE '13 (3rd International Congress on Sustainability Science & Engineering), Kingsgate Mcd vvvarriott, Cincinnati, OH, U.S.A., August 11-15, 2013. |

52 | Szlama, A., K. Kalauz, I. Heckl, and B. Bertok, Solving a separation-network synthesis problem by interval global optimization technique, Computers and Chemical Engineering, 56, 142-154 (2013). |

51 | Vance, L., I. Heckl, B. Bertok, H. Cabezas, and F. Friedler, Design of Sustainable Energy Supply Chains using the P-Graph methodology involving various metrics, presented at Process Development Symposium 2013, Oak Brook, IL, U. S. A., June 11-13, 2013. |

50 | Szlama, A., I. Heckl, and B. Bertok, Változó összetételű anyagáramokkal kibővített folyamat-hálózatok optimális tervezése, presented at the XXX. Magyar Operációkutatási Konferencia, Balatonöszöd, Hungary, June 10-13, 2013. |

49 | Frits, M., L. Halasz, P. Borbas, B. Pinter, A. Szlama, I. Heckl, Demand & Distribution Manager (DDM) application in the oil industry, Factory Automation Conference 2013, Veszprém, Hungary, May 21-22, 2013. |

48 | Frits, M., N. Niemtez, I. Heckl, A. Szlama, M. Narodoslawsky, Regional Optimizer (RegiOpt): A framework for the synthesis of sustainable supply chains by the P-graph methodology Factory Automation 2013, Veszprém, Hungary, May 21-22, 2013. |

47 | Adonyi, R., I. Heckl, and F. Olti, Scheduling of Bus Maintenance by the P-graph Methodology, Optimization and Engineering, 14, 565-574 (2013). |

46 | Vance, L., B. Bertok, I. Heckl, H. Cabezas, and F. Friedler, Software for Synthesizing Complete Set of Pareto Efficient Designs of Energy Supply Chains According to Cost, Ecological Footprint, and Emergy, presented at AICHE Spring Meeting, San Antonio, TX, U.S.A., April 28 - May 2, 2013. |

45 | Vance, L., H. Cabezas, I. Heckl, B. Bertok, and F. Friedler, Synthesis of Sustainable Energy Supply Chain by the P-graph Framework, Industrial & Engineering Chemistry Research, 52(1), 266-274 (2013). |

44 | Szlama, A., I. Heckl, and B. Bertok, Optimal design of process networks involving subsystems with variable composition streams, presented at the VOCAL 2012 (Veszprém Optimization Conference: Advanced Algorithms), Veszprém, Hungary, December 11-14, 2012. |

43 | Vance, L., I. Heckl, B. Bertok, H. Cabezas, and F. Friedler, Sustainable Design of Energy Supply Chains from P-Graphs: Cost, Ecological Footprint, and Emergy, presented at AIChE Annual Meeting, Pittsburgh, PA, U.S.A., October 28 - November 2, 2012. |

42 | Szlama, A. G., K. Kalauz, B. Bertok, and I. Heckl, Solving a separation-network synthesis problem adopting interval optimization techniques, presented at the PRES 2012, Praha, Czech Republic, August 25-29, 2012. |

41 | Solving a separation-network synthesis problem adopting interval optimization techniques, Chemical Engineering Transactions, 29, 1525-1530 (2012). |

40 | Adonyi, R., I. Heckl, and F. Olti, Construction project scheduling by P-graphs, presented at Factory Automation Conference 2012, Veszprém, Hungary, May 21-22, 2012. |

39 | Kalauz, K., I. Heckl, P. I. Borbas, B. Bertok, and L. Halasz, Downstream Supply Chain Simulator and Planner, presented at Factory Automation Conference 2012, Veszprém, Hungary, May 21-22, 2012. |

38 | Tarczali, T., T. Kiezer, Z. Sule, I. Heckl, and T. Varjas, Quality assurance of assembling storage systems by automatic generation of test sequences, presented at Factory Automation Conference 2012, Veszprém, Hungary, May 21-22, 2012. |

37 | Heckl, I., R. Adonyi, B. Bertok, and A. Szlama, Scheduling of the transport of renewables for a power plant, presented at Factory Automation Conference 2012, Veszprém, Hungary, May 21-22, 2012. |

36 | Kettl, K. H., N. Niemetz, N. Sandor, M. Eder, I. Heckl, and M. Narodoslawsky, Regional Optimizer (RegiOpt) - Sustainable energy technology network solutions for regions, Computer Aided Chemical Engineering, 29, 1959-1963, (2011). |

35 | Heckl, I., H. Cabezas, F. Friedler, and L. T. Fan, Sustainable Supply Chain Design by the P-Garph Framework, presented at AIChE Annual Meeting, Minneapolis, MN, U.S.A., October 16-21, 2011. |

34 | Adonyi, R., I. Heckl, and F. Olti, Scheduling of Bus Maintenance by the P- graph Methodology, presented at the VOCAL 2010 (Veszprém Optimization Conference: Advanced Algorithms), Veszprém, Hungary, December 13-15, 2010. |

33 | Heckl, I., K. Kalauz, P. Kalocsai, and L. Halasz, Custom simulator for logistic networks in downstream, Clean Technology and Environmental Policy, 12, 627-634 (2010). |

32 | Smidla, J. and I. Heckl, S-graph Based Scheduling Method for Parallel Architecture, presented at the PRES 2010 (11th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction), Praha, Czech Republic, August 28-September 1, 2010. |

31 | Varga, V., I. Heckl, F. Friedler, and L. T. Fan, PNS Solutions: A P-graph based programming framework for process-network synthesis problems, presented at the PRES 2010 (11th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction), Praha, Czech Republic, August 28-September 1, 2010. |

30 | Adonyi, R., I. Heckl, A. Szalamin, and F. Olti, Routing of railway systems with the S-graph framework, presented at the PRES 2010 (11th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction), Praha, Czech Republic, August 28-September 1, 2010. |

29 | Smidla, J. and I. Heckl, S-graph Based Scheduling Method for Parallel Architecture, Chemical Engineering Transactions, 21, 937-942 (2010). |

28 | Varga, V., I. Heckl, F. Friedler, and L. T. Fan, PNS Solutions: A P-graph based programming framework for process-network synthesis problems, Chemical Engineering Transactions, 21, 1387-1392 (2010). |

27 | Adonyi, R., I. Heckl, A. Szalamin, and F. Olti, Routing of railway systems with the S-graph framework, Chemical Engineering Transactions, 21, 913-918 (2010). |

26 | Heckl, I., F. Friedler, and L. T. Fan, Solution of separation network synthesis problems by the P-graph methodology, Computers & Chemical Engineering, 34(5), 700-706 (2010). |

25 | Heckl, I., F. Friedler, and L.T. Fan, Solution of separation network synthesis problems by the P-graph methodology, Computer Aided Chemical Engineering, 26, S641-S646 (2009). |

24 | Heckl, I., F. Friedler, and L.T. Fan, Solution of separation network synthesis problems by the P-graph methodology, presented at ESCAPE 19 (19th European Symposium on Computer Aided Process Engineering), Cracow, Poland, June 14-17, 2009. |

23 | Heckl, I., P. Kalocsai, L. Halasz, and K. Kalauz, Event driven process simulation of pipeline networks, Chemical Engineering Transactions, 18, 737-742 (2009). |

22 | Heckl, I., P. Kalocsai, L. Halasz, and K. Kalauz, Event driven process simulation of pipeline networks, presented at PRES'09 (12th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction), Rome, Italy, May 10-13, 2009. |

21 | Heckl, I., F. Friedler, and L.T. Fan, Reduced Super-structure for a Separation Network Comprising Separators effected by Different Methods of Separation, Computers Chem. Engng., 33, 687-698 (2009). |

20 | Heckl, I., R. Adonyi, B. Bertok, F. Friedler, L.T. Fan, and Z. Kovacs, Formulating and Solving Vehicle Routing Problems by the P-graph Framework, presented at the VOCAL 2008 (3rd Veszprém Optimization Conference: Advanced Algorithms), Veszprém, Hungary, December 15-17, 2008. |

19 | Heckl, I., F. Friedler, and L. T. Fan, Separation network synthesis: reduced superstructure for a network involving different methods of separation, presented at the PRES 2008 (11th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction), Praha, Czech Republic, August 24-28, 2008. |

18 | Heckl, I., Z. Kovács, F. Friedler, L. T. Fan, and J. Liu, Algorithmic Synthesis of an Optimal Separation Network Comprising Separators of Different Classes, Chemical Engineering and Processing, 46, 656-665 (2007). |

17 | Weber, C., I. Heckl, F. Friedler, F. Maréchal, and D. Favrat, Network synthesis for a district energy system: A step towards sustainability, Computer Aided Chemical Engineering, 21, 1869-1874 (2006). |

16 | Weber, C., I. Heckl, F. Friedler, F. Maréchal, and D. Favrat, Network synthesis for a district energy system: A step towards sustainability, presented at the ESCAPE-16 (16th European Symposium on Computer Aided Process Engineering), Garmisch-Partenkirchen, Germany, July 9-13, 2006. |

15 | Heckl, I., F. Friedler, and L. T. Fan, Integrated Synthesis of Optimal Separation and Heat Exchanger Networks Involving Separations Based on Various Properties, Heat Transfer Engineering, 26(5), 25-41 (2005). |

14 | Heckl, I., F. Friedler, and L. T. Fan, Algorithmic Synthesis of Optimal Heat Integrated Separation Networks, presented at the PRES 2003 (6th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction), Hamilton, Ontario, Canada, October 26-29, 2003. |

13 | Heckl, I., Z. Kovacs, F. Friedler, and L. T. Fan, Super-structure Generation for Separation Network Synthesis Involving Different Separation Methods, Chemical Engineering Transactions, 3, S1209-S1214 (2003). |

12 | Heckl, I., Z. Kovacs, F. Friedler, and L. T. Fan, Super-Structure Generation for Separation-Network Synthesis Involving Different Separation Methods, presented at the ICheaP-6 (6th Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction), Pisa, Italy, June 8-11, 2003. |

11 | Strouvalis, A., I. Heckl, F. Friedler, and A. C. Kokossis, An Accelerated Branch and Bound Algorithm for Assignment Problems of Utility Systems, Computers Chem. Engng. 26, 617-630 (2002). |

10 | Holczinger, T., I. Heckl, A. C. Kokossis, and F. Friedler, Accelerated contextual optimization for scheduling large-scale HPC liquid factories, presented at the AIChE Annual Meeting, Reno, NV, U.S.A., November 4-9, 2001. |

9 | Heckl, I., Z. Kovacs, and Z. Ercsey, A matematikai szigorúság fontossága a kiindulási struktúra meghatározásakor szétválasztási hálózatok szintézise esetén (in Hungarian), Magyar Kémikusok Lapja, 56, 372-377 (2001). |

8 | Strouvalis, A., I. Heckl, F. Friedler, and A. C. Kokossis, An Accelerated Branch and Bound Algorithm for Assignment Problems of Utility Systems, presented at the ESCAPE-11 (11th European Symposium on Computer Aided Process Engineering), Kolding, Denmark, May 27-30, 2001. |

7 | Strouvalis, A., I. Heckl, F. Friedler, and A. C. Kokossis, An Accelerated Branch and Bound Algorithm for Assignment Problems of Utility Systems, Computer Aided Chemical Engineering, 9, S541-S546 (2001). |

6 | Strouvalis, A., M., I. Heckl, F. Friedler, and A. C. Kokossis, Flexible Utility Networks for Maintenance and Operational Variations: A Customised Framework and an Accelerated Branch and Bound Algorithm, presented at the AIChE Annual Meeting, Los Angeles, CA, U.S.A., November 12-17, 2000. |

5 | Strouvalis, A., I. Heckl, F. Friedler, and A. C. Kokossis, Accelerated Branch and Bound Methods for Utility Network Optimisation, presented at the PRES 2000 (3rd Conference on Process Integration, Modelling and Optimisation for Energy Saving and Pollution Reduction), Praha, Czech Republic, August 27-31, 2000. |

4 | Strouvalis, A., I. Heckl, F. Friedler, and A. Kokossis, Customized Solvers for the Operational Planning and Scheduling of Utility Systems, presented at the PSE 2000 (7th International Symposium on Process System Engineering), Keystone, CO, U.S.A., July, 16-21, 2000. |

3 | Strouvalis, A. M., I. Heckl, F. Friedler, and A. C. Kokossis, Customized Solvers for the Operational Planning and Scheduling of Utility Systems, Computers Chem. Engng, 24, 487-493 (2000). |

2 | Strouvalis, A., I. Heckl, F. Friedler, and A. Kokossis, The Design of Intelligent Optimization Solvers for Utility Networks, presented at the AIChE Annual Meeting, Dallas, TX, U.S.A., October 31 - November 5, 1999. |

1 | Strouvalis, A., I. Heckl, F. Friedler, and A. Kokossis, Intelligent Solvers for Utility Networks, presented at the AIChE Annual Meeting, Dallas, TX, U.S.A., October 31 - November 5, 1999. |