Combined drying

Dry combined supernatants in the Falcon tube in a Speed-Vac (—2.5 h on medium heat). 

The nature of the solvents in the mixture also depends on the type of binder. In order to obtain rapid drying combined with low solvent retention, the solvent mixture should be formulated so that its solubility and hydrogen-bonding parameters lie at the boundary of the binder solubility range. On the other hand, the parameters of the solvent mixture should be similar to those of the binder to ensure satisfactory... 

All these studies show that the atmospheric spray and fluidized-bed freeze drying combination is a viable new technology which requires further R D. Finally, a summary of comparison among four drying operations, i.e., SD, SFD, FD, and ASFBFD, are given in Table 9.10. 

A1 Haddad, M., S. Mounir, V. Sobohk, and K. AUaf (2008). Fruits vegetables drying combining hot air, DIC technology and microwaves. International Journal of Food Engineering 4(6) 1491. 

Pulse combustion drying combines high economic of direct fire heating system with high intensity of drying of disperse material. Typical power consumption is 3,000-3,500 kJ/kg H2O evaporated (4,500 to -11,500 for spray dryer and 3,200-6,500 for drum dryer) [53,54]. The main advantages of pulse combustion drying are as follows ... 

SPS has been confirmed to be a viable technique to synthesize PLZT transparent ceramics. An example is the preparation of PLZT(8/65/35) ceramics [227]. The PLZT powder was synthesized by using a wet-dry combination method. Due to the contamination of carbon from the graphite mold, the samples after the SPS sintering should be annealed in air or oxygen. Optical properties of the samples were affected by the SPS temperature, as well as the post-annealing temperature. It was found that 700 °C was the optimal sintering temperature when transmittance was considered. 

Chips n. (1) Term used to describe the size of resin particles. It represents a form intermediate between bold lumps and dust. (2) Dry combination of binder and pigment which in solvent forms paint, or which can be added to color plastics (e.g., vinyl chips and nitrocellulose chips). 

Convective drying Combined conduction/radiation/microwave... 

Infiared Drying Combined with other Types of Drying 345... 

The feed to a butane (C4) isomerization unit should contain maximum amounts of n-butane and only small amounts of isobutane, pentanes, and heavier material. The feed is dried, combined with dry makeup hydrogen, and charged to the reactor section at 230 to 340° F (110 to 170°C) and 200 to 300 psig (1480 to 2170 kPa). H2 is not consumed by isomerization reactions, but it suppresses polymerization of the olefin intermediates that are formed during the reaction. A small amount of organic chloride promoter, which is added to maintain catalyst activity, converts completely to HCl in the reactors. 

In the dry process, latex is normally compounded with tackifying resins to create sufficient tack for the dry combining operation. 

Kharaghani A, Metzger T, Tsotsas E (2011) A proposal for discrete modeling of mechanical effects during drying, combining pore networks with DEM. AIChE J 57(4) 872-885... 

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