Computed Properties of Al2H8O13S3. Aromatic compounds can be divided into two categories: single heterocycles and fused heterocycles. Compound: Aluminum(III) sulfate xhydrate, is researched, Molecular Al2H8O13S3, CAS is 17927-65-0, about Effect of shear schedule on particle size, density, and structure during flocculation in stirred tanks. Author is Spicer, Patrick T.; Pratsinis, Sotiris E.; Raper, Judy; Amal, Rose; Bushell, Graeme; Meesters, Gabrie.
The effect of shear history on the evolution of the polystyrene-alum floc size, d., and structure is investigated by small-angle light scattering during cycled-shear and tapered-shear flocculation in a stirred tank using a Rushton impeller. First, various sampling schemes are exptl. evaluated. The floc structure is characterized by the mass fractal dimension, Df, and the relative floc d. During turbulent shear flocculation, small floc structures are shown to be more open (Df=2.1) than larger floc structures (Df=2.5) as a result of shear-induced restructuring during steady state attainment. Flocs produced by cycled-shear flocculation are grown at shear rate G=50 s-1 for 30 min, are fragmented at Gb=100, 300, or 500 s-1 for one minute, and then are regrown at G=50 s-1. This shear schedule decreases the floc size but compacts the floc structure. When flocs are produced by gradual reduction of the shear rate from G=300 to 50 s-1 (tapered-shear flocculation), smaller though equally dense flocs are produced compared with cycled-shear flocculation. The cycled-shear flocculation method produces the largest flocs with the highest potential for sedimentation when the fragmentation shear rate is Gb=300 s-1.
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Reference:
Isothiazole – Wikipedia,
Isothiazole – ScienceDirect.com