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Sökning: WFRF:(LINDBLOM A) > Konferensbidrag

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  • Balea, A, et al. (författare)
  • Morphology, properties and recyclability of modified fibres and papers with different chemicals at laboratory and pilot plant trials
  • 2015
  • Ingår i: 46th Congresso Annuale Aticelca, May 28-29, Sestri Levante-Genova, Italy. - : Aticelca. ; , s. 23-31
  • Konferensbidrag (refereegranskat)abstract
    • Fibre+ (2012-2015) is a European project aiming to develop potential treatments for recovered fibre modification capable of improving the recyclability and the properties of recycled papers. This study reports on the results on fibre morphology, paper properties and recyclability of fibres and papers modified with different chemicals and approaches from both laboratory and pilot plant trials. Sixteen modification chemical agents were studied in a set of laboratory trials. The raw material used was 100% recycled paper grade from old corrugated board containers (OCC). The laboratory analysis to evaluate the effectiveness of fibre modifications treatments included FBRM for pre-screening of chemicals, preparation of laboratory control and modified handsheets to a target grammage of 80 g/m2, and measurement of the fibre morphology, recyclability and mechanical and physical properties of the modified handsheets. Based on the results of laboratory testing, Fibre+ modifications pilot plant trials were carried out at a FEX paper machine. Furthermore the effect of the better dispersion of the cPAM using an ECOWIRL was studied. The overall laboratory and pilot plant results were promising for further implementation of the Fibre+ modifications at industrial scale and projection of improvements of fibre and paper properties on the performance of packaging products thereof
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  • Elhammeli, Alaaeddin A., et al. (författare)
  • Producing water by condensation of humid air in buried pipe
  • 2017
  • Ingår i: Proceedings of the International Conference on Industrial Engineering and Operations Management. - : IEOM Society. - 9780985549763 ; , s. 2270-2281
  • Konferensbidrag (refereegranskat)abstract
    • This study investigates the possibility of using warm humid air for irrigation and drinking water production, by flowing air over the water surface in a solar still with saline or polluted water. Vapor will be saturated during mixing with the warm air in buried pipe. Finite difference method is employed to simulate the flow of the air long the pipe. The amount of water produced and buried pipe length depends upon the flow velocity, humid air properties and buried pipe diameter. The amount of water produced is 0.02525kg/s (0.0909m3/h). The length of the buried pipe needed in this study is 77.36m for a selected air flow velocity 5m/s with the properties of 70°C, 100% relative humidity at pipe inlet, 40°C and 100% relative humidity at pipe outlet of 0.2m pipe diameter. The results agree with a previous study (Gustafsson & Lindblom, 2001) with -4.0% deviation in water production and 7% of required pipe length
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