Effective Industrial Membrane Processes: Benefits and by H. Strathmann (auth.), Professor M. K. Turner (eds.)

By H. Strathmann (auth.), Professor M. K. Turner (eds.)

The objective of the Technical Advisory Committee, in making plans the c~:>Dtent of this assembly, was once to demonstrate the diversity of separation strategies during which using membranes was once functional and potent at an business scale. As Professor Strathmann unearths, the marketplace for procedure apparatus outfitted round membranes is now worthy approximately $5x1(f each year, and it appeared very important to study this expertise, and to indicate the course of destiny technical advances. All however the most important reader should still locate a few goods of curiosity. The Committee might admit not to fulftlling all of thier goals, even though these delegates who attended the assembly in Edinburgh judged it successful. within the occasion it supplied consultant examples of tactics from the meals and beverage undefined, from water remedy, and from the chemical undefined, of which the elimination of alcohol from fermented drinks, shipboard desalination and solvent restoration are 3. the most important makes use of of charged membranes and sterile techniques usually are not coated, nor nine is the most important marketplace, $1.2x10 every year, for man made kidney dialysis. besides the fact that, it truly is attention-grabbing to determine man made kidney now discovering another use as a reactor for the construction of monoclonal antibodies. we're additionally reminded through Professor Michel of the significance and potency of normal membranes within the kidney below stipulations the place fouling is important to their functionality and complements their selectivity.

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5L/MIN CROSSFLOW. 8 Hz. A. A. ~ \:=c ~ ~ + X :J -' ..... 5 •• •• ~'" ••,.. e•. ,.. 0 0 100 200 400 300 ELAPSED TIME min Figure 6. PULSED FLOW & STEADY FLOW COMPARISON. 5L/MIN CROSSFLOW. - Flow ·E N E ~ -' _ ... 6 X :J -' ..... 2 --+.... + . 2 bar 14 46 Figure 7. CONTINUOUS OPERATION. 1% HOMOGENISED YEAST. 18C. 5l/MIN CROSSFlOW. 8 Hz. 2 => --' ..... • . • ............. O~----------~----------~----------~----------~ 100 o 200 300 400 ELAPSED TIME Figure 8. min MICROFILTRATION FLUX DATA. 1'1 BAKERS YEAST.

R. et al (1989) 'Single Stage Downstream Processing of Beer Using Pulsed Cross flow Filtration'. Proceedings of the 22nd Congress, EBC, Zurich. 10. Rousar I et al (1971) 'Limiting Local Current Densities for Electrode located on the walls of a Rectangular Channel with Laminar Flow'. J. Electrochem Soc. 881 June. Fig 1 CHANNEL GEOMETRY membrane 6 _j 3 m1 0 flow ) 0 0 membrane ( 12 mm ) 43 Figure 2. 1 ~ .. 9 PuRe = 250 Re =0 44 FIG 3 Figure 4. INSIDE OF ULTRAFILTRATION MODULE STEADY FLOW, PULSED FLOW MASS TRANSFER COMPARISON.

2l/(m2 min) was established. During continued operation under these unpolarised conditions, no further reduction in flux was observed. 35 1 (m2/min). This is a significant result since it shows that once a non low fouling membrane has become initially fouled then no further flux reducing fouling occurs when it is operated unpolarised. 2 Microfiltration Tests Data is also included from a test with a microfiltration membrane and non homogenised bakers years (ie: whole yeast cells) Figure 8. The characteristic unpolarised/polarised curves are observed for each plotted concentration.

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