Ahmad Hallajisani

Associate Professor

Update: 2025-02-19

Ahmad Hallajisani

College of Engineering / Caspian Faculty of Engineering

Journal Papers

  1. "Super-effective biochar adsorbents from Co-pyrolysis of rice husk and sewage sludge: Adsorption performance, advanced regeneration, and economic analysis"
    Behnam Rezvani, Ahmad Hallajisani, Omid Tavakoli
    Bioresource Technology Reports, Vol. 29, 2025
  2. "Enhanced Bio-Oil Production from Co-Pyrolysis of Cotton Seed and Polystyrene Waste; Fuel Upgrading by Metal-Doped Activated Carbon Catalysts"
    Mahshid Vaghar Mousavi, Behnam Rezvani, Ahmad Hallajisani
    JOURNAL OF THE ENERGY INSTITUTE, Vol. 119, 2025
  3. "Bio-oil production: A comparative analysis of catalytic pyrolysis with cobalt catalyst versus direct pyrolysis of Azolla and Ulva biomasses"
    Sara Pourkarimi, Maryam Saberdelsadeh, Hadi Nouri, Ahmad Hallajisani
    INDIAN JOURNAL OF CHEMICAL TECHNOLOGY, Vol. 31, No 6, pp.879-888, 2024
  4. "Fabrication and characterization of starch/agarose biopolymers containing graphene oxide towards the release of 5-fluorouracil in cancer treatment"
    Mahboubeh Ghotbi, Mehrab Pourmadadi, Fatemeh Yazdian, Ahmad Hallajisani
    INORGANIC CHEMISTRY COMMUNICATIONS, Vol. 170, 2024
  5. "Modification of activated carbon prepared from black liquor with the copper ion and its application to adsorption phenol"
    Amin Mohammadpour, Ahmad Hallajisani, Mohammad Azadfallah, Yahya Hamzeh
    Journal of Chemical and Petroleum Engineering, Vol. 58, No 2, pp.375-389, 2024
  6. "Enhanced tire oil production through hydrothermal liquefaction using devulcanization agents"
    Aryan Heydari, Ali Fazeli, Ahmad Hallajisani
    PROCESS SAFETY AND ENVIRONMENTAL PROTECTION, Vol. 193, 2024
  7. "Effects of lignin on biochar from pyrolysis: emphasis on removing naproxen as pharmaceutical pollutants in wastewater"
    Zahra Dashti, Kamak Nosrati, Ahmad Hallajisani, Omid Tavakoli, Mahsa Molaei Nasr
    Clean Technologies and Environmental Policy, Vol. -, pp.23-32, 2024
  8. "Potential investigation of poly (lactic acid)–curcumin–titanium dioxide nanofibers as bioactive wound dressings: characterization and cellular assessments"
    Zeinab Ebrahimi Elti, Shadi Zolfagharian, Ahmad Hallajisani, Payam Zahedi
    POLYMER BULLETIN, Vol. ND, 2024
  9. "Enhanced photo-degradation of organic contaminants on CdS/magnetic aluminum fumarate metal-organic framework as a novel Z-scheme photocatalyst under visible light: A comprehensive study"
    Mostafa Ataee Khorami, shabnam Sohrabnejad, Azadeh Asadollahi, Amideddin Nouralishahi, Ahmad Hallajisani
    COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, Vol. 677, No 1, 2023
  10. "Fe3O4-chitosan nanocomposite as a magnetic biosorbent for removal of nickel and cobalt heavy metals from polluted water"
    Mohammad Javad Sharifi, Amideddin Nouralishahi, Ahmad Hallajisani
    International Journal of Biological Macromolecules, Vol. 248, 2023
  11. "Investigation of catalytic pyrolysis of spirulina for bio-oil production"
    Reza Hemmat- khah, Nasrolah Majidian, Ahmad Hallajisani, Mohammad Samipoorgiri
    Arabian Journal of Chemistry, Vol. 16, No 5, 2023
  12. "Comparison and Optimization of Pyrolysis Bio-Oil Composition from Sewage Sludge and Spirulina Microalgae"
    Reza Hemmat- khah, Nasrolah Majidian, Ahmad Hallajisani, Mohammad Samipourgiri
    Journal of Chemical and Petroleum Engineering, Vol. 1, No 59, pp.189-202, 2023
  13. "pH, Photo, and Aeration Period Effects on Arthrospira maxima Growth: Taguchi Technique"
    Neda Mirhosseini, Reza Davarnejad, Ahmad Hallajisani, Omid Tavakoli, Edgar Cano-Europa
    IRANIAN JOURNAL OF CHEMISTRY & CHEMICAL ENGINEERING-INTERNATIONAL ENGLISH EDITION, Vol. 42, No 3, pp.1086-1098, 2023
  14. "Optimal Condition of DME Production through Syngas Hydrogenation in Dual Membrane Reactor"
    Mohammad Farsi, Ahmad Hallajisani
    Journal of Chemical and Petroleum Engineering, Vol. 1, No 57, pp.189-202, 2023
  15. "Assessment of ionic liquid-based aqueous two-phase system abilities to remove sulfonamide antibiotics from the aquatic environment"
    Iman Mohamadi, Sasan Ghorbani Dehkordi, Ahmad Hallajisani
    International Journal of Environmental Science and Technology, Vol. 19, No 7, 2022
  16. "Effect of Physical parameters on the outlet temperature of the shower cooling tower"
    Abbas Asghari, Naser Kordani, Ahmad Hallajisani
    Jordan Journal of Mechanical and Industrial Engineering, Vol. 16, No 3, pp.421-428, 2022
  17. "Hydrothermal liquefaction of Chlorella vulgaris and catalytic upgrading of product: Effect of process parameter on bio-oil yield and thermodynamics modeling"
    Mohammad reza Moazezi, Hengameh Bayat, Omid Tavakoli, Ahmad Hallajisani
    FUEL, Vol. 318, No 1, 2022
  18. "C-Phycocyanin prevents acute myocardial infarction-induced oxidative stress, inflammation and cardiac damage"
    Vanessa Blas- Validivia, Daniela Nikita Moran Durantes, Placido Rojas Franco, Margarita Franco-Calin, Neda Mirhosseini, Reza Davarnejad, Ahmad Hallajisani, Omid Tavakoli, Edgar Cano-Europa
    PHARMACEUTICAL BIOLOGY, Vol. 60, No 1, pp.755-763, 2022
  19. "Sugarcane Molasses as a Cost-effective Carbon Source on Arthrospira maxima Growth by Taguchi Technique"
    Neda Mirhosseini, Reza Davarnejad, Ahmad Hallajisani, Edgar Cano-Europa, Omid Tavakoli
    International Journal of Engineering, Transactions C: Aspects, Vol. 35, No 3, pp.510-516, 2022
  20. "Investigation of catalytic pyrolysis of Azolla filiculoides and Ulva fasciata for bio-oil productionInvestigation of catalytic pyrolysis of Azolla filiculoides and Ulva fasciata for bio-oil production"
    Sara Pourkarimi, Maryam Saberdel Sadeh, Ahmad Hallajisani, Mohsen Hajikhani, Maryam Moradi, omid Alizadeh, Amideddin Nouralishahi
    BIOCHEMICAL ENGINEERING JOURNAL, Vol. 178, No 1, 2022
  21. "Converting the cigarette butts into valuable products using the pyrolysis process"
    Mohammad Hazbehiean, Nader Mokhtarian, Ahmad Hallajisani
    GLOBAL JOURNAL OF ENVIRONMENTAL SCIENCE AND MANAGEMENT-GJESM, Vol. 8, No 1, pp.1-18, 2022
  22. "Nitrogen Starvation Effect Versus its Excess on the Performance of Arthrospira maxima in Zarrouk’s Medium"
    Neda Mirhosseini, Reza Davarnejad, Ahmad Hallajisani, Omid Tavakoli, Edgar Cano-Europa
    International Journal of Engineering, Transactions B: Applications, Vol. 34, No 7, pp.1557-1568, 2021
  23. "Biooil production by pyrolysis of Azolla filiculoides and Ulva fasciata macroalgae"
    Sara Pourkarimi, Ahmad Hallajisani, Asghar Alizadeh dakhel, Amideddin Nouralishahi
    GLOBAL JOURNAL OF ENVIRONMENTAL SCIENCE AND MANAGEMENT-GJESM, Vol. 7, No 3, 2021
  24. "Alkali Activated Cedar Wood as an Efficient Adsorbent for Pb2+ Removal from Aqueous Solutions: Optimization, Kinetic and Thermodynamic Study"
    Mohammad Ali Rahmatnia, Amideddin Nouralishahi, Mohsen Bahaeddini, Ahmad Hallajisani
    Scientia Iranica, Vol. --, 2021
  25. "Magnetic-chitosan nanocomposites as adsorbents in industrial wastewater treatment: A brief review"
    Mohammad Javad Sharifi, Amideddin Nouralishahi, Ahmad Hallajisani, Mahdi Askari
    CELLULOSE CHEMISTRY AND TECHNOLOGY, Vol. 55, 2021
  26. "The effects of glucose, nitrate, and pH on cultivation of Chlorella sp. Microalgae"
    Hamoon NouripourEzgami, Jamshid Mohammadi Roushandeh, Ahmad Hallajisani, AbooAli Golzary, Saeed Daliry Nezhad Sheikhani
    GLOBAL JOURNAL OF ENVIRONMENTAL SCIENCE AND MANAGEMENT-GJESM, Vol. 7, No 1, pp.103-116, 2021
  27. "Cultivations of Arthrospira maxima (Spirulina) using ammonium sulfate and sodium nitrate as an alternative nitrogen sources"
    Neda Mirhosseini, Reza Davarnejad, Ahmad Hallajisani, Edgar Cano-Europa, Omid Tavakoli, Margarita Franco-Calin, Vanessa Blas- Validivia
    IRANIAN JOURNAL OF FISHERIES SCIENCES, Vol. 20, No 2, 2021
  28. "A molecular scale analysis of TEMPO-oxidation of native cellulose molecules"
    Milad Asgarpour Khansary, Payman Pouresmaeelselakjani, Mohammad Ali Aroon, Ahmad Hallajisani, Jenifer Cookman, Saeed Shirazian
    Heliyon, Vol. 6, No 12, 2020
  29. "Production of bio-oil from sewage sludge: A review on the thermal and catalytic conversion by pyrolysis"
    Manouchehr Haghighat, Nasrallah Majidian, Ahmad Hallajisani, Mohammad Samipourgiri
    SUSTAINABLE ENERGY TECHNOLOGIES AND ASSESSMENTS, Vol. 42, No 8, 2020
  30. "Removal of tetracycline with aluminum boride carbide and boehmite particles decorated biochar derived from algae"
    Nooria Chabi, Majid Baghdadi, Ahmad Hallajisani, AbooAli Golzary, majid hossinzadeh
    BIORESOURCE TECHNOLOGY, Vol. 316, No 1, 2020
  31. "Factors affecting production of beta-carotene from Dunaliella salina microalgae"
    Sara Poorkarimi, Ahmad Hallajisani, Amideddin Nouralishahi, Asghar Alizadeh dakhel, AbooAli Golzary
    Biocatalysis and Agricultural Biotechnology, Vol. 29, No 1, 2020
  32. "Modeling of the Hydrocracking Reactor by the CESE Method"
    Armin Hadiani Far, Ahmad Hallajisani, Sorood Zahedi Abghari
    Journal of Chemical and Petroleum Engineering, Vol. 54, No 1, pp.291-297, 2020
  33. "Application of Molybdenum oxide nanoparticles in H2S removal from natural gas under different operational and geometrical conditions"
    Mojtaba Nabipoor Hassankiadeh, Ahmad Hallajisani
    Geoenergy Sicence and Engineering, Vol. 190, No 190, 2020
  34. "Optimizing binary biosorption of cobalt and nickel ions on brown algae using a central composite design"
    Mohammad Khajavian, Ahmad Hallajisani, Payam Ghelichi
    International Journal of Environmental Science and Technology, Vol. 1, No 6, 2020
  35. "An experimental investigation of smart-water wettability alteration in carbonate rocks – oil recovery and temperature effects"
    Mostafa Montazeri, Babak Fazelabdolabadi, Abbas Shahrabadi, Amideddin Nouralishahi, Ahmad Hallajisani, Seyed Mohammad Ali Mousavian
    Energy Sources Part A-Recovery Utilization and Environmental Effects, Vol. --, pp.1-13, 2020
  36. "Iranian native microalgae for the production of biofuels by pyrolysis process"
    Reza Hemmat- khah, Nasrallah Majidian, Ahmad Hallajisani
    Annals of Biology, Vol. 35, No 2, pp.333-337, 2019
  37. "Simultaneous biosorption of nickel and cadmium by the brown algae Cystoseria indica characterized by isotherm and kinetic models"
    Mohammad Khajavian, David Wood, Ahmad Hallajisani, Nasrollah Majidian
    Journal of Applied Biological Chemistry, Vol. 62, No 1, 2019
  38. "The effect of temperature and different carbon and nitrogen sources on the growth and fatty acid profile of a newly isolated microorganism Aurantiochytrium sp. strain SHY"
    Morteza Pahlavanyali, Hasan Jalili, Mostafa Nourouzi, Yazdan Moradi, Ahmad Hallajisani
    IRANIAN JOURNAL OF FISHERIES SCIENCES, Vol. 19, No 6, pp.3112-3126, 2019
  39. "Biofuel production through micro- and macroalgae pyrolysis – A review of pyrolysis methods and process parameters"
    Sara Poorkarimi, Ahmad Hallajisani, Asghar Alizadeh dakhel, Amideddin Nouralishahi
    JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS, Vol. 1, No 11, 2019
  40. "Effects of Environmental Factors on Chlorella sp. microalgae for biodiesel production purpose: Enhanced lipid and biomass productivity"
    Saeed Dalirinezhad, Ahmad Hallajisani, Hamoon NouripourEzgami, AbooAli Golzary
    Recent innovations in Chemical Engineering, Vol. 10, No 2, pp.1-10, 2017
  41. "A quantum mechanics/molecular mechanics (QM/MM) investigation on the mechanism of adsorptive removal of heavy metal ions by lignin: single and competitive ion adsorption"
    Edris Kazeran, Ahmad Hallajisani, Milad Asgarpour Khansary
    CELLULOSE, Vol. 1, No 17, pp.1-13, 2017
  42. "investigation of optimal condition for chlorella vulgaris growth"
    Saeed Dalirinezhad, Ahmad Hallajisani, Hamoon Nouri, Jamshid Mohammadi Roushandeh, Aboali Golzary
    GLOBAL JOURNAL OF ENVIRONMENTAL SCIENCE AND MANAGEMENT-GJESM, Vol. 3, No 2, pp.217-230, 2017
  43. "Fuel properties of the oils produced from the pyrolysis of commonly-used polymers: Effect of fractionating column"
    Mojtaba Heydariaraghi, Sohrab Ali Ghorbanian, Ahmad Hallajisani, Alireza Salehpour
    JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS, Vol. 121, No 165, pp.307-317, 2016
  44. "modeling and operability of DME production from syngas in a dual membrane reactor"
    Mohammad Farsi, Ahmad Hallajisani, Pouria Riasatian
    CHEMICAL ENGINEERING RESEARCH & DESIGN, Vol. 1, No 112, pp.190-198, 2016
  45. "Application of Response Surface Methodology for investigation of membrane fouling behaviours in microalgal membrane bioreactor: The effect of aeration rate and biomass concentration"
    Azadeh Alipourzadeh, Mohammad Reza Mehrnia, Ahmad Hallajisani, Azadeh Babaie
    RSC Advances, Vol. 4, No 11, pp.1-23, 2016
  46. "Equilibrium and kinetic study and modeling of Cu(II) and Co(II) synergistic biosorption from Cu(II)-Co(II) single and binary mixtures on brown algae C. indica"
    Masoomeh Akbari, Ahmad Hallajisani, Alireza Keshtkar, Hossein Shahbeig, Sohrab Ali Ghorbanian
    Journal of Environmental Chemical Engineering, Vol. 3, No 1, pp.140-149, 2015
  47. "Mathematical-thermodynamic solubility model developed by the application of discrete Volterra functional series theory"
    Milad Asgarpour Khansari, Ahmad Hallajisani, Saeed Shirazian
    FLUID PHASE EQUILIBRIA, Vol. 385, No 1, pp.205-211, 2015
  48. "Representing solute solubility in supercritical carbon dioxide: A novel empirical model"
    Milad Asgarpour Khansari, Farshad Amiri, Ashkan Hosseini, Ahmad Hallajisani, Hossein Shahbeig
    CHEMICAL ENGINEERING RESEARCH & DESIGN, Vol. 93, No 1, pp.355-365, 2015
  49. "development of a thermodynamic model for Hydrogen and Hydrogen containing mixtures"
    Reza Davarnejad, Behnam Rahimi, Seyed Hossein Noei Baghban, Milad Asgarpour Khansari, Ahmad Hallajisani
    FLUID PHASE EQUILIBRIA, Vol. 1, No 382, pp.1-9, 2014
  50. "Prediction of dyes solubility in supercritical carbon dioxide (CMM EOS)"
    Ahmad Hallajisani, Amin Arif, Mohammad Ali Salehi, Milad Asgarpour Khansari
    Asia-Pacific Journal of Chemical Engineering, Vol. 1, No 10, 2014
  51. "MODELING DRYING OF A COATED PAPER"
    Milad Asgarpour Khansari, Farzane Kazemi Ghale Jough, Ashkan Hosseini, Jaber Safari, Edris Allahyari, Navid Shaban Zade, Ahmad Hallajisani
    International Journal of Modeling Simulation and Scientific Computing, Vol. 05, No 1, 2014
  52. "Using genetic algorithm (GA) and particle swarm optimization (PSO) methods for determination of interaction parameters in multicomponent systems of liquid–liquid equilibria"
    Milad Asgarpour Khansari, Ahmad Hallajisani
    FLUID PHASE EQUILIBRIA, Vol. 365, No 365, pp.141-145, 2014
  53. "A Novel Equation of State: Determination and Validation for Dyes and Drugs Solubility Calculations in Supercritical Carbon Dioxide"
    Milad Asgarpour Khansari, Ahmad Hallajisani, Hossein Shahbeig, Amin Arif, Hadi Dalir Sefat, Mohammad Ali Salehi
    PERIODICA POLYTECHNICA-CHEMICAL ENGINEERING, Vol. 58, No 2, pp.179-194, 2014
  54. "A New adsorption isotherm model of aqueous solution on granular activated carbon"
    Hossein Shahbeig, Nafiseh Bagheri, Sohrab Ali Ghorbanian, Ahmad Hallajisani, Sara Poorkarimi
    World Journal of Modelling and Simulation, Vol. 9, No 4, pp.243-254, 2013
  55. "An Experimental simulation model for coated paper drying"
    Ahmad Hallajisani, Hossein Shahbeig, Seyed Jalaledin Hashemi Aghcheh Badi, W.J. Murray Douglas
    BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING, Vol. 30, No 2, pp.423-430, 2013
  56. "EXPERIMENTAL INVESTIGATION ON INDUSTRIAL COATING - DRYING PROCESS PARAMETERS"
    Ahmad Hallajisani, S J Hashemi , W J Murray Douglasb
    DRYING TECHNOLOGY, Vol. 29, No 13, pp.1484-1491, 2012
  57. "Experimental Investigation of Oil Sludge Treatment by Catalytic Oxidation Method of Super Critical Water"
    Mehdi Matinnejad, Ahmad Hallajisani
    journal o separation science and engineering, Vol. 15, No 2, pp.40-51, 2024
  58. "The effect of glucose as a carbon source on biomass growth and pigment production from the microalgae Spirulina maxima"
    Neda Mirhosseini, Reza Davarnejad, Ahmad Hallajisani, Edgar Cano-Europa, Omid Tavakoli
    Journal of Aquaculture Development, Vol. 15, No 1, pp.107-124, 2021
  59. "Optimization of culture native Aurantiochytrium sp.shy culture medium for biomass increment by response surface methodology"
    Morteza Pahlavan Yali, Hasan Jalili, Mostafa Noroozi, Yazdan Moradi, Ahmad Hallajisani
    Modares Journal of Biotechnology, Vol. 1, No 1, 2020
  60. "Effect of Various Alternative Carbon Sources on Growth Parameters of Spirulina maxima Microalgae"
    Neda Mirhosseini, Reza Davarnejad, Ahmad Hallajisani, Edgar Cano-Europa, Omid Tavakoli
    Tarbiyat Modares, Vol. 8, No 4, pp.1-12, 2019
  61. "Separation of unsaturated fatty acids from Clupeonella cultiventris Fish oil using membrane Processes"
    Nima Rezaee, Mohammad Ali Aroon, Ahmad Hallajisani
    Journal of Fisheries(Iranian Journal Of Natural Recources), Vol. 72, No 3, pp.271-285, 2019
  62. "Investigation of Wettability Alteration due to Smart Water Injection into Carbonate Reservoirs By zeta potential and Contact Angle’s Tests"
    Mustafa Montazeri, Abbas Shahrabadi, Amideddin Nouralishahi, Ahmad Hallajisani, Seyed Mohammad Ali Mousavian
    journal of Petroleum Research, Vol. 29, No 101, 2018
  63. "A Comparison Between the Influence of Nano-Silica and Silane Coupling Agent on Epoxy Coatings"
    Saba Moazzami, Khosrow Khodabakhshi, Ahmad Hallajisani
    journal of Petroleum Research, Vol. 100, No 1, pp.146-157, 2018
  64. "Extraction of fatty aciids omega 3 from Cultiventris Clupeonella of caspian sea"
    Hossein Shahbeig, Ahmad Hallajisani, Mohammad Reza Mehrnia, Saba Shaban
    Journal of Fisheries(Iranian Journal Of Natural Recources), Vol. 67, No 3, pp.361-374, 2014
  65. "Simulation of coated paper drying and improved a new experimental model"
    Hossein Shahbeig, Ahmad Hallajisani
    journal of advanced mathematical modeling, Vol. 3, No 14, pp.141-151, 2014

Conference Papers

  1. "A Comprehensive Review on Flow Batteries: Principles, Materials, and Application"
    Farid Gholami, Kasra Mardani, Ahmad Hallajisani, [] []
    Nea approaches in engineering and basic science, 2025
  2. "Fabrication of Open-cell Porous PLA Foams via CaCO3 Leaching Method"
    Reyhane Shahpouri, Amir-hamzeh Golbaz, Farkhondeh Hemmati Shirayeh, Ahmad Hallajisani
    16th International Seminar on Polymer Science and Technology (ISPST 2024), 2024
  3. "Optimization of the demulsification of crude oil-in-water emulsions"
    Parsa Jafari, Ahmad Hallajisani, Mehdi Abbasi
    7th International Symposium 2023; Beyond Borders: Pioneering Transformation in the Environment and Society, 2023
  4. "Pyrolysis optimization of polystyrene plastic waste and sewage sludge composition"
    Parsa Jafari, Mehrzad Barkhordar, Ahmad Hallajisani, Mehdi Abbasi
    7th International Symposium 2023; Beyond Borders: Pioneering Transformation in the Environment and Society, 2023
  5. "production of biooil by sewage sludge: A review on the themal and catalytic conversion by pyrolysis"
    Mohammad Hazbehiean, Nader Mokhtarian, Ahmad Hallajisani, Ali Shafizadeh
    6th international conference on science and technology with suatainable developement approach, 2021
  6. "Evaluation of Novel and Green Plant Extraction Methods: A Review"
    Sara Zare, Ahmad Hallajisani
    Third International Conference on Technology Development in Chemical Engineering, 2021
  7. "Pyrolysis of cigarette butts to obtain valuable products from waste , A review study"
    Mohammad Hazbehiean, Nader Mokhtarian, Ahmad Hallajisani, Ali Shafizadeh
    6th international conference on science and technology with suatainable developement approach, 2021
  8. "A review on hydrothermal liquefaction of microalgae in continuous reactors and effective parameters on process"
    Hale Baghernavehsi, Ahmad Hallajisani
    6th international conference on science and technology with suatainable developement approach, 2021
  9. "Optimization of parameters in order to improve the particle size distribution of granules in sulfur granulation unit of the 3rd refinary of south"
    Ahmad Hallajisani, [] [], Ahmadreza Mousavipour
    11th International chemical engineering congress and exhibition, 2020
  10. "Assessment simulating the process of gasification and the energy production from chicken manure by Aspen plus"
    Ali Shafizadeh, Mohammad reza Moazezi, Ahmad Hallajisani
    11th International chemical engineering congress and exhibition, 2020
  11. "Effect of different LEDs on the growth kinetics of Spirulina Maxima"
    Neda Mirhosseini, Reza Davarnejad, Ahmad Hallajisani, Edgar Cano-Europa, Omid Tavakoli
    2nd international conference of agricultural engineering, natural resources and environment, 2020
  12. "Areview of the ultrasound drying method for fruits and vegetables"
    Ali Maghoul, Ahmad Hallajisani
    international congress in engineeringT technology and innovation, 2019
  13. "Carbohydrate preference and effect of cultivation parameters on the cell growth and fatty acid profile of a newly isolated microorganism Aurantiochytrium sp. strain shy"
    Morteza Pahlavan Yali, Hasan Jalili, Mostafa Nourouzi, Yazdan Moradi, Ahmad Hallajisani
    2nd national iranian conference on phycology, 2019
  14. "Steady State Simulation of Reaction Furnace and Waste Heat Boiler of Sulfur Recovery Unit of Ilam Refinery Using Aspen® software"
    Asma Taherinia, Farshad Shahraki, Mirmohammad Khalilpour, Ahmad Hallajisani, Mohammadreza Sardashti Birjandi, Shahin Kharaji
    The 16th iranian national congress of Chemical Engineering, 2019
  15. "Simulation of Catalytic Reactors of Ilam Sulfur Recovery Unit Using Aspen Plus"
    Asma Taherinia, Farshad Shahraki, Ahmad Hallajisani, Shahin Kharaji
    The 16th Iranian national congress of Chemical engineering, 2019
  16. "Removal of Nickel and Cobalt Heavy Metals from Aqueous Solution Using Chitosan-Magnetic (Fe3O4) Nanocomposite"
    Mohammad Javad Sharifi, Ahmad Hallajisani, Amideddin Nouralishahi
    international conference on applied research in chemistry and chemical engineering, 2018
  17. "A comperehensive review of nanofilteration membranes of water treatment"
    Asma Taherinia, Ahmad Hallajisani, Shahin Kharaji
    The national conference on treatment of water, air and soil, 2018
  18. "Effect of microalgae concentration on membrane fouling and nitrogen removal"
    Azadeh Alipourzadeh, Mohammad Reza Mehrnia, Ahmad Hallajisani, Azadeh Babaie
    The 9th Int. Chem Eng, 2015
  19. "Study of aeration rate influence on microalgae membrane photoreactor: fouling and nitrogen removal"
    Azadeh Alipourzadeh, Mohammad Reza Mehrnia, Ahmad Hallajisani, Azadeh Babaei
    12th International Conference on Membrane Science and Technology (MST2015), 2015
  20. "Effect of Transmembrane Pressure on Fouling Behaviour of Microalgae Membrane Bioreactor"
    Azadeh Alipourzadeh, Mohammad Reza Mehrnia, Ahmad Hallajisani, Azadeh Babaie, Fateme Bahrami
    IWA Balkan Young Water Professionals 2015, 2015
  21. "Simulation and investigation of operational and physical parameters affecting the product of the cracking unit Fluid bed catalysis"
    Mehdi Dashtbani Khoujin, Ahmad Hallajisani
    The 7th international conference on technology development in oil, gas, refining ant petrochemicals, 2023
  22. "Recent advances in oil sludge recycling and treatment"
    Mehdi Dashtbani, Ahmad Hallajisani
    6 international conference on technology development in oil, gas, refining and petrochemicals, 2022
  23. "Hydrocarbon sludge pyrolysis of Asalouye Gas Refinery to obtain valuable fuel materials"
    Melina Haghighatjoo, Ahmad Hallajisani, Aryan Heydari
    The 5th National Congress of Chemistry and Nanochemistry from research to national development, 2022
  24. "Biological treatment of effluent of Assaluyeh Farsashimi Mono Ethylene Glycol Unit in a bioreactor with the help of activated sludge"
    Hadis Tajdini Chaloshtari, Ahmad Hallajisani
    17th National Congress of Chemical Engineering of Iran, 2021
  25. "Production of biofuels from the biomass composition of two algae Azolla and Olva by pyrolysis"
    Sara Pourkarimi, مریم صابردل ساده, Ahmad Hallajisani
    17th National Congress of Chemical Engineering of Iran, 2021
  26. "Production of biofuels from Azolla filicolide in pyrolysis process by HZSM-5 and Ni/HZSM-5 catalysts"
    Sara Pourkarimi, مریم صابردل ساده, Ahmad Hallajisani
    Fourth international conferences on technology development in chemical engineering, 2021
  27. "Investigation of the effect of catalyst on the process of pyrolysis of UAlva fasciata biomass for biofuel production"
    Sara Pourkarimi, مریم صابردل ساده, Ahmad Hallajisani
    2nd international conference on New thoughts in Chemistry and Chemical Engineering, 2021
  28. "Investigation and optimization of parameters affecting Azolla biomass"
    Sara Pourkarimi, مریم صابردل ساده, Ahmad Hallajisani
    6th international conference on science and technology with suatainable developement approach, 2021
  29. "Effect of gaz plant on the improvement of symptoms of acute and infectious burns"
    Nooshin Ferdousian, Zahrasadat Tabatabaeian, Ahmad Hallajisani
    The 9tn national conference on medical herbs and stable agriculture, 2019
  30. "Modeling of corn residue pretreatment unit in the process of bioethanol production using acidic method"
    Ahmad Hallajisani, Maryam Sharifi Prooshi, Ahmadreza Mousavipour
    The 16th Iranian national congress of chemical engineering, 2019
  31. "Thermoeconomic Optimization of Natural Gas Dehydration Unit in South Pars Phase 1 by aspen energy analyzer 1"
    Fereshteh Sahebi, Ahmad Hallajisani, Zeinab Sahebi
    2nd conference on Modern Advances in Energy sector And Oil and Gas Industries, 2018
  32. "Dynamic modeling of the catalyst hydrocracking reactor by the CESE method"
    Armin Hadiani Far, Ahmad Hallajisani, Sorood Zahedi Abghari
    4THInternational Conference On Oil, Gas and Ptrochemical, Tehran Univrsity, Iran, 2017
  33. "investigation of polymer solubility in supercritical carbon dioxide solvent using thermodynamic models"
    Ahmad Alavi, Ahmad Hallajisani, نصرالله مجیدیان
    Third conference on new research achievement in Chemistery and chemical engineering, 2016
  34. "The effect of nitrogen concentration on membrane fouling and its percent removalin bioreactor containing with microalgae"
    Azadeh Alipourzadeh, Mohammad Reza Mehrnia, Ahmad Hallajisani, Azadeh Babaie
    International conference on enviromental science engineering Technologies, 2015
  35. "Analysis of dry impurities from used motor oil using organic solvents"
    Mohammad Ali Alimi Livani, Sahebali Manafi, Ahmad Hallajisani
    second national conference on enviromental protection, 2015
  36. "Choosing the optimal solution for recycling used motor oil and condensate deposition method"
    Mohammad Ali Alimi Livani, Sahebali Manafi, Ahmad Hallajisani
    second national conference on enviromental protection, 2015
  37. "Economic evaluation and process oil recovery factors"
    Mohammad Ali Alimi Livani, Sahebali Manafi, Ahmad Hallajisani
    second national conference on enviromental protection, 2015
  38. "The effect of membrane fouling on membrane bioreactors containing microalgae."
    Azadeh Alipourzadeh, Mohammad Reza Mehrnia, Ahmad Hallajisani, Azadeh Babaie
    SEcond national conferenco on water recycling, 2015
  39. "investigating the hydrulic effect of membrane in membrane bioreactor wit microalgae"
    Azadeh Alipourzadeh, Mohammad Reza Mehrnia, Ahmad Hallajisani, Azadeh Babaie
    national confrwnce of water reuse, 2015
  40. "estimated and studied in Fars province and calculated energy soyrce"
    ولی اله باقریان, ف نصرتی, Ahmad Hallajisani
    3th annual clean energy conference, 2013
  41. "estimated of effects on improvement of biogas production"
    رضا باقریان, Ahmad Hallajisani, ف نصرتی
    first conference in practical studies, 2013
  42. "estimated and studied in and calculated energy soyrce"
    محمد باقری, Ahmad Hallajisani, ف نصرتی
    The First National Conference on Planning and Environmental Protection (nature01), 2013