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Ilona Trawczyńska and Marek Wójcik

-lauroyl sarcosine. J. Ind. Microbiol. Biot. 35, 799–804. DOI: 10.1007/s10295-008-0350-9. 15. Kaur, G., Panesar, P.S., Bera, M.B. & Kumar, H. (2009). Hydrolysis of whey lactose using CTAB-permeabilized yeast cells. Bioproc. Biosyst. Eng . 32, 63–67. DOI: 10.1007/s00449008-0221-9. 16. Mutanda, T., Wilhelmi, B.S. & Whiteley, C.G. (2008). Response surface methodology: Synthesis of inulooligosaccharides with an endoinulinase from Aspergillus niger . Enzyme Microb. Technol. 43, 362–368. DOI: 10.1016/j.enzmictec.2008.06.005. 17. Panesar, P.S. (2008). Application of response

Open access

A. Balasubramanian and S. Venkatesan

emulsion liquid membrane. J. Hazard. Mater. 160, 582-588. DOI:10.1016/j.jhazmat.2008.03.095. Park, Y., Skelland, A. H. P., Forney, L. J. & Kim, J. H., (2006). Removal of phenol and Substituted phenols by newly developed emulsion liquid membrane process. Water Res. 40, 1763-1772. DOI:10.1016/j.watres.2006.03.005. Bezerra, M. A., Santelli, R. E., Oliveira, E. P., Villar, L. S. & Escaleira, L. A. (2008). Response surface methodology (RSM) as a tool for optimization in analytical chemistry. Talanta. 76, 965-977. DOI:10

Open access

Syed W. Ahmad, Farhan Javed, Sajjad Ahmad, Muhammad Akram and Abdur Rehman

.A. & Hicks, K.B. (2005). The composition of corn oil obtained by the alcohol extraction of ground corn. J. Am. Oil Chem. Soc. 82(11), 809-815. DOI: 10.1007/s11746-005-1148-4. 17. Sivala, K., Rao, V.V., Sarangi, S., Mukherjee, R. & Bhole, N. (1991). Mathematical modelling of rice bran oil expression. J. Food Process. Eng.14(1), 51-68. DOI: 10.1111/j.1745-4530.1991. tb00081.x. 18. Myers, R.H., Montgomery, D.C. & Anderson-Cook, C.M. (2009). Response surface methodology: process and product optimization using designed experiments. USA: John

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Mehdi Ahmadi, Kurosh Rahmani, Ayat Rahmani and Hasan Rahmani

coagulation-fl occulation process for papermaking-reconstituted tobacco slice wastewater treatment using response surface methodology. J. Ind. Eng. Chem. 20(2), 391-396. DOI: 10.1016/j.jiec.2013.04.033. 9. Nachiappan, S. & Muthukumar, K. (2010). Intensifi cation of textile effl uent chemical oxygen demand reduction by innovative hybrid methods. Chem. Eng. J. 163(3), 344-354. DOI: 10.1016/j.cej.2010.08.013. 10. Tekin, H., et al. (2006). Use of Fenton oxidation to improve the biodegradability of a pharmaceutical wastewater. J. Hazard. Mater

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Karolina Leś, Karol Kowalski and Ireneusz Opaliński

REFERENCES Alonso M., Alguacil F.J., 1999. Dry mixing and coating of powders. Revista de Metalurgia , 35, 315–328. DOI: 10.3989/revmetalm.1999.v35.i5.640. Aslan N., 2008. Application of response surface methodology and central composite rotatable design for modeling and optimization of a multi-gravity separator for chromite concentration. Powder Technol. , 185, 80–86. DOI: 10.1016./j.powtec.2007.10.002. Balaz P., 2008. Mechanochemistry in nanoscience and minerals engineering . 1 st edition. Springer-Verlag, Berlin, Heidelberg, 126

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Ayse Sarimeseli and Mehmet Yuceer

coriander ( Corianderum Sativum L.) leaves. Energy Convers. Manage. , 52, 1449–1453. DOI: 10.1016/j.enconman.2010.10.007. Sarimeseli A., Coskun M.A., Yuceer M., 2014. Modeling microwave drying kinetics of thyme ( Thymus Vulgaris L.) leaves using ANN methodology and dried product quality. J. Food Process. Preserv. , 38, 558–564. DOI: 10.1111/jfpp.12003. Sharma G.P., Verma R.C., Pathare P.B., 2005. Thin-layer infrared radiation drying of onion slices. J. Food Eng., 67, 361–366. DOI: 10.1016/j.jfoodeng.2004.05.002. Shi J., Pan Z., Mchugh T.H., Wood D

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Faisal Rehman, Syed Waqas Ahmad, M. Shahzad Zafar, Sajjad Ahmad and Muhammad Zia-Ul-Haq

.1080/15567036.2013.837547. 16. Pecina, E., Rendón, N., Dávalos, A., Carrillo, F. & Martínez, D. (2014) Evaluation of Process Parameters of Coal Desulfurization in Presence of H2O2 and Complexing Agents. Int. J. Coal Prep. Util. 34(2), 85. DOI: 10.1016/S0016- 2361(02)00360-5 10.1016/S0016-2361(02)00360-5. 17. Baş, D. & Boyacı, İ.H. (2007) Modeling and optimization I: Usability of response surface methodology. J. Food Engineer. 78(3), 836. 18. Mukherjee, S. & Borthakur

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Mojtaba Taran, Elham Mohamadian, Sahand Asadi and Salar Bakhtiyari

. 17. Venil, C.K. & Lakshmanaperumalsamy, P, (2008) Response Surface Methodology for the Optimization of Alpha Amylase Production by Serratia marcescens SB08, P. J. Sci. Technol. 51, 333-339. 18. Abouseoud, M., Maachi, R. & Amrane, A. (2007). Biosurfactant Production from olive oil by Pseudomonas fluorescens. Comm. Cur. Res. Edu. Top. Trends Appl. Microbiol. 340-347. 19. Franzetti, A., Caredda, P., Colla, P.L., Pintus, M., Tamburini, E., Papacchini, M. & Bestetti, G. (2009). Cultural factors affecting biosurfactant production by

Open access

Dariusz Butrymowicz, Jarosław Karwacki, Roman Kwidziński, Kamil Śmierciew, Jerzy Gagan, Tomasz Przybyliński, Teodor Skiepko and Marek Łapin


The theoretical basis for the indirect measurement approach of mean heat transfer coefficient for the packed bed based on the modified single blow technique was presented and discussed in the paper. The methodology of this measurement approach dedicated to the matrix of the rotating regenerative gas heater was discussed in detail. The testing stand consisted of a dedicated experimental tunnel with auxiliary equipment and a measurement system are presented. Selected experimental results are presented and discussed for selected types of matrices of regenerative air preheaters for the wide range of Reynolds number of gas. The agreement between the theoretically predicted and measured temperature profiles was demonstrated. The exemplary dimensionless relationships between Colburn heat transfer factor, Darcy flow resistance factor and Reynolds number were presented for the investigated matrices of the regenerative gas heater.

Open access

Paweł Mirek

A simplified methodology for scaling hydrodynamic data from Lagisza 460 MWe supercritical CFB boiler

The paper presents the results of model studies on the hydrodynamics of the world's first supercritical circulating fluidized bed boiler Lagisza 460 MWe, carried out on a scale model built in a scale of 1/20 while preserving the full geometrical similarity. To reflect the macroscopic pattern of flow in the boiler's combustion chamber, tests were carried out based on two dimensionless flow dynamic similarity criteria, while maintaining a constant Froude number value between the commercial and the scaled-down units. A mix of polydispersion solids with its fractional composition determined by scaling down the particle size distribution of the boiler's inert material was utilised for the tests using a special scaling function. The obtained results show very good agreement with the results of measurements taken on the Lagisza 460 MWe supercritical CFB boiler.