XIII Polish Membrane School 2015 (extended abstract of lecture) First AUTHOR1, Second AUTHOR2 1 affiliation of First Author 2 affiliation of Second Author Keywords: (up to 6 keywords) Text: Times New Roman 12 point. Single spaces between lines. All margins 2,5 cm. Figures will be printed in black and white. Figure captions should be placed under the figure in Times New Roman italic 11 point. Tables should be placed in the centre, between left and right margins. Table’s caption and number should be placed above the table. Table’s caption should be in Times New Roman 11 points. Spaces before paragraph – 0 point, after a paragraph – 6 points. Text should be aligning to the left and right. Text in the table should not have intent in the first line. Table 1. Table title Title Title Title 2 Title 3 Title 4 Value 1 Value 2 Value 3 References to the literature should be placed in square brackets [1]. List of literature should be at the end of the abstract. Subsequent literature positions should be numbered using Arabic numerals [2]. List of literature should be written according to the order of reading. Times New Roman 11 point. Spaces before and after paragraph - 0 pkt. Text align to left. Positions on the list should include: a) for books: subsequent number, full surname and name initials of the author, title, publisher, volume, part, booklet, place and year of publication, ISBN, b) for articles: subsequent number, full surname and name initials of the author, full article title, journal, volume, year, pages. LITERATURE [1]. Kujawski W., Perwaporacja, in: Narębska A. (Ed.) Membrany i Membranowe Techniki Rozdziału, Wydawnictwo UMK, Toruń 1997, pp. 187-227, ISBN 83-231-0937-0. [2]. Wijmans J., Baker R., The solution-diffusion model: a review, J. Membrane Sci. 107 (1995) 1– 21. Abstract should be between 4 and 6 pages.