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Chemical and Biological Engineering

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Faculty - Adriaan R. P. van Heiningen

J. Larcom Ober Professor of Chemical Engineering

Phone: 207-581-2278
Fax: 207-581-2323

Research Interests

Fundamental chemical engineering aspects of pulp production and forest biomass conversion processes; in particular those of pulping, bleaching, recovery of pulping chemicals, and production of biomaterials and biofuels.

My work is interdisciplinary, and strives to integrate a chemical mechanistic approach with that of transport phenomena, mass balances and an overall process concept.

Current Research

Selected Publications

Van Heiningen, A. and T. Connolly, “Measurement of Gas Composition Inside a Recovery Boiler Char Bed”, 2004 International Chemical Recovery Conf., Charleston, SC, p. 943-952, June 6-10, 2004.

Van Heiningen, A. and X. Chen, “Kinetics of the Direct Causticizing Reaction between Sodium Carbonate and Sodium Trititanate”, 2004 International Chemical Recovery Conf., Charleston, SC, p. 857-867, June 6-10, 2004.

Van Heiningen, A. and S. Violette, “Selectivity Improvement during Oxygen Delignification by Adsorption of a Sugar-Based Polymer”, J. Pulp & Paper Sci., 29(2), 48-53 (2003).

Van Heiningen, A., D. Krothapalli, J.M. Genco, and A. Justason, “A Chemical Reactor Analysis of Industrial Oxygen Delignification”, Pulp and Paper Canada, 104(12), 96-101 (2003).

Van Heiningen, A., M.S. Tunc, Y. Gao and D. da Silva Perez, “Relationship between Alkaline Pulp Yield and the Mass Fraction and Degree of Polymerization of Cellulose in Pulp”, Proceedings 2003 Annual PAPTAC Meeting, Montreal, Quebec, Canada, Paper 0610, January 26-30, 2003.

King, J.E. and A. van Heiningen, “Effect of Pulp Species and Pretreatment on the Rates of Delignification and Cellulose Degradation during Ozone Bleaching”, Pulp and Paper Canada, 104(10), 38-42 (2003).

Zou, H., J. M. Genco, A. van Heiningen, B. Cole and R.Fort, “Effect of Hemicellulose Content in Kraft Brown-Stock on Oxygen Delignification”, TAPPI Fall Technical Conference and Trade Fair, San Diego, CA, United States, Sept. 8-11, 2002.

Nohlgren, I., Q. Zhang, H. Theliander and A. R. P. van Heiningen, “Direct Causticization using Titanates in a Fluidized Bed Reactor”, Nordic Pulp and Paper Research Journal, 17(3), 246-253 (2002).

X.Z. Zhang, Y. Ni and A. R. P. van Heiningen, “Effect of Temperature on the Kinetics of Pulp Ozonation”, JPPS, 27(8), 279-283 (2001).

Y. Ni, S. Krishnan and A. R. P. van Heiningen “Modelling Manganese Removal from Pulp Fibers during Displacement Chelation”, JPPS, 27(12), 412-415 (2001).

L. Zeng, J. R. Pels and A. R. P. van Heiningen, “Direct Causticization of Kraft Black Liquor Solids with Titanium Dioxide in a Fluidized Bed”, Tappi Journal, 83(12), p. 53(2000).

I. Nohlgren, H. Theliander, Q, Zhuang and A. R. P. van Heiningen, “Model Study of the Direct Causticization Reaction between Sodium Trititanate and Sodium Carbonate”, Can. J. Chem. Eng., 78(3), 529-530 (2000).

C. L. Verrill and A. R. P. van Heiningen, “Calcium-Based Sulfur Recovery Process for Kraft Black Liquor Gasification-Proof of Concept”, Tappi Journal, 83(7), 71(2000).

L. Zeng and A. R. P. van Heiningen, “Carbon Gasification of Kraft Black Liquor Solids in the Presence of TiO2 in a Fluidized Bed”, Energy and Fuels, 14(1), 83-88 (2000).

Y. Ni, Z. Li and A.R.P. van Heiningen, “Pulse chelation with DTPA”, Pulp and Paper Canada, 100(12):110-113 (1999).

A.R.P. van Heiningen, G.J. Kang, D.W. Reeve, K. Weishar and P. Earl, “The impact of methanol-based by-products in chlorine dioxide solutions on pulp bleaching”, Pulp and Paper Canada, 100(4):42-46 (1999).

L. Zeng and A.R.P. van Heiningen, “Sulphur distribution during air gasification of kraft black liquor solids in a fluidized bed of TiO2 particles”, Pulp and Paper Canada, 100(6): 58-63 (1999).

C.P.J. Bennington, X.Z. Zhang and A.R.P. van Heiningen, “The effect of fibre width distribution on ozone bleaching”, JPPS, 25(4):124-129 (1999).

Z. Li, Y. Ni and A.R.P. van Heiningen, “Flow-through characterization of mechanical pulp pads”, JPPS, 25(8):294-298 (1999).

X. Zhang, Y. Ni and A.R.P. van Heiningen, “Basic engineering design data for ozone/solvent bleaching of ALCELL ® derived pulp”, Pulp and Paper Canada, 99(1):44 (1998).

Y. Ni and A.R.P. van Heiningen, “An ECF sequence for the ALCELL ® process including the ethanol-assisted ozone bleaching”, Tappi J., 81(4):141-144 (1998).

Z. Yuan, Y. Ni and A.R.P. van Heiningen, “A kinetic model for peracetic acid brightening of an ozone delignified softwood kraft pulp”, J. Wood Chem. and Technol., 18(1):83-105 (1998).

R. Griffin, Y. Ni and A.R.P. van Heiningen, “The development of delignification and lignin-cellulose selectivity during ozone bleaching”, JPPS, 24(4):111-115 (1998).

X. Zhang, G.J. Kang, Y. Ni, A.R.P. van Heiningen, A. Mislankar, A. Darabie and D. Reeve, “Initial delignification and cellulose degradation of conventional and ethanol assisted ozonation”, J. Wood Chemistry and Technol., 18(2):129-157 (1998).

K. Saviharju, A. Moilanen and A.R.P. van Heiningen, “New high pressure gasification rate data for fast pyrolysis black liquor char”, Journal of Pulp and Paper Science, 24(7):231-236 (1998).

Z. Yuan, Y. Ni and A.R.P. van Heiningen. “Peracetic acid and hydrogen peroxide brightening of a softwood kraft pulp delignified by methanol-assisted ozonation”, Paperi Ja Puu , 80(4):310-314 (1998).

Z. Yuan, M. d’Entremont, Y. Ni and A.R.P. van Heiningen, “The formation of gaseous products and its relation to pulp bleaching during the peracetic acid treatment”, J. Wood Chem. and Technol., 18(3):267-288 (1998).

Y. Ni, Y. Ni, G.J. Kang, A. Humphrey, R. Thring, A.R.P. van Heiningen and A. Skothos, “An improved oxygen delignification for magnesium based sulfite process” Tappi J., 81(10):165-169 (1998).

Y. Ni, Z. Yuan and A.R.P. van Heiningen, “An improved peracetic acid bleaching process”, Appita, 51(5): 377-380 (1998).

Image Description: Adriaan Van Heiningen

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Contact Information

Chemical and Biological Engineering
5737 Jenness Hall, Room 117
Orono, Maine 04469-5737
Phone: (207) 581-2277 | Fax: (207) 581-2323E-mail:
The University of Maine
Orono, Maine 04469
A Member of the University of Maine System