[PDF] Top 20 Supersaturation and crystal growth in gas anti-solvent crystallization

... The expansion levels and saturation behaviors of a saturated solution caused by the compressed car- bon dioxide have been reported by Tai and Cheng [11]. A solution satu[r] ... See full document

... Secondary nucleation was recognized as the dominant mechanism of nucleation in a suspension crystallizer in the 1970s. Since then, numerous studies have been conducted [r] ... See full document

... increase in mo- lecular concentration at the focal spot, the absorption of NIR photons by the molecules becomes larger and larger, leading to further temperature ...changes in the ... See full document

... concentration and flow rate of the sulfamethoxazole ...resulted in smaller particles whereas the opposite tendency was observed at a higher solution flow rate ...mL/min). In a continuous SAS process ... See full document

... Keywords: Crystal growth kinetics; Liquid #uidized bed; Two-step growth model; Sparingly soluble salts; Soluble salts ...operations in the chemical industry, espe- cially for the ... See full document

... The growth kinetics of calcite crystals are studied in a batch-fluidized-bed crystallizer, which is maintained at a constant ...The growth experiments are conducted in the metastable region ... See full document

... may, in due course of time, grow into voids of dimensions provided only a certain criterion is ...satisfied. In nature, a heterogeneous nucleation process is a far more favored process than a homogeneous ... See full document

... systems, and the pH does not change during the solid ...studying crystal growth kinetics of sparingly soluble salts. Growth experi- ments should be conducted in the metastable region ... See full document

... relative supersaturation, all the operating variables were fixed but the relative supersaturation, which was varied from ...auto-titrator, in which the curves representing a higher degree of relative ... See full document

... made in the present study to deter- mine the nucleation parameters of pure ADP crystals and also to investigate the effect of organic substance thiourea as added additive (additive concentration is 1–5 ... See full document

... flows and the dopant segregation in vertical Bridgman (VB) crystal ...the growth of gallium-doped germanium in a graphite ampoule is used as an ...state and fully transient ... See full document

... during crystal growth and its simulation remains a non-trivial task in crystal- growth ...developed, and its dynamic three-dimensional (3D) simulations, coupled heat flow ... See full document

... bar, crystal habits of granule, plate, needle, and dendrite form were observed independent of the pre-expansion ...needle and plate crystals were missing for the pre- expansion temperature of ...C ... See full document

... the in-plane switch- ing mode, no pretilt angle is ...where in the second exposure the substrate was rotated 90 ◦ with respect to the first and inclined at 70 ◦ to the incoming LPUV ...single ... See full document

... 1a and b show the plan-view of the inverse pole figure map from EBSD and the preferred orientation for the inverse pole figure on the surface grains fabricated at 50 mA cm − 2 , ...oriented, and the ... See full document

... the growth interface; t =60 ...60 and 80 min show a deep depression at the interface center, where high constitutional supercooling ...However, in reality, the microscopic planar interface could no ... See full document

... Then the same crystalliza- tion system was employed to study the growth kinetics of calcite crystals, using a double-tube gas injection nozzle instead of a gas sparger, wh[r] ... See full document

... SEM photographs of calcium sulfite hemihydrate crystals: (a) a mixture of platelets and agglomerates, (b) platelet crystal,.. and (c) agglomerate crystal.[r] ... See full document

... Author(s): Chan, KC (Chan, Kung-chi); Mong, MC (Mong, Mei-chin); Yin, MC (Yin, Mei-chin) Title: Antioxidative and Anti-Inflammatory Neuroprotective Effects of Astaxanthin and Canthaxant[r] ... See full document

... zeaxanthin in the column elution was 21-fold higher than that in the dry solid ...supercritical anti-solvent precipitations of the algal solu- tions was executed to find crucial operational ... See full document