Mini-column data

Figures 26.9(a) and (b) show how laboratory techniques can assist in the apphcation of GAC for the removal of geosmin and MIB. Figure 26.9(a) shows the results of a mini-column test on GAC removed at various intervals from a GAC pilot plant [17]. The percent removal of MIB was measured in the laboratory by running a mini-column test at the same empty bed contact time as that used in the pilot. Further details can be found in [68]. The results indicate that GAC filters could be tested at regular intervals for the removal of MIB using a simple laboratory trial. Figure 26.9(b) compares the experimental data points obtained during a SBA test with the HSDM fit and predictions [68]. The carbon had been preloaded for 2 years in a pilot plant. The predictions and the...

The scope of this chapter-formatted mini-series is to provide statistical tools for comparing two columns of data, X and Y. With respect to analytical applications such data may be represented for simple linear regression as the concentration of a sample (X) versus an instrument response when measuring the sample (Y). X and Y may also denote a comparison of the reference analytical results (X) versus predicted results (Y) from a calibrated instrument. At other times one may use X and Y to represent the instrument response (X) to a reference value (Y). Whatever data pairs one is comparing as X and Y, there are several statistical tools that are useful to assess the meaning of a change in... 

Figure 9-34A. Efficiency versus C-factor for various metal packings. Iso-octane/toluene, 740 mm Hg, reflux ratio 14 1,15-in. I.D. column, 10-ft bed height. Not Glitsch test data. Note CMR = Cascade Mini-ring . Used by permission of Glitsch, Inc., Bull. 345.

Sediment Supercritical fluid extraction mini-Florisil column cleanup sulfur removal HRGC/ECD confirmation by MS No data 90 Lee and Peart 1994... 

SP (Vis) A polyester resin that adsorbs Fe + is packed in a glass tubing as a mini reaction column. When a stream of AA merged with the mini reaction column, the AA reacts with the Fe +, which is reduced to Fe + (no adsorbed by the resin). Fe + reacts with phenanthroline to form a complex 1.6 60 1.8 No data 2012 99... 

The main reason for the first type of maldistribution is the maldistribution of the packing itself, which is especially important in case of random packings. In Fig. 9 the void fraction of Cascade Mini-Ring lA with a nominal size of 25 mm versus the distance from the wall in a 600 mm diameter column are presented. The data are obtained by Toye et al. [144] by means of... 

---