Cooling mixing

Dissolve 30 g. of potassium bromide in 50 ml. of water in a 350 ml. conical flask gerUle warming may be necessary. Cool the flask with running water from the tap so that the contents attain room temperature. Add 25 ml. of concentrated sulphuric acid slowly and with constant rotation of the flask to ensure thorough mixing cool under the tap from... 

Bubble behaviour was studied in the pilot-scale bioreactor so that a complete model of flow, OTR, mixing, cooling, energy requirement and disengagement could be developed for this system and larger production-scale vessels of similar type. 

To a 500 g sample of acidic, dealuminized mordenite (CBV-20A from PQ Corporation, 1.5 mm diameter extrudates that had been calcined at 540 °C, overnight) was added a solution of 33 ml of 48% HF in 1633 ml of distilled water, and the mix cooled in ice, stirred on a rotary evaporator overnight, then filtered to recover the extruded solids. The extrudates were further washed with distilled water, dried in vacuo at 100 °C, and then calcined at 540 °C, overnight. Analyses of the treated mordenite showed 1.2% fluoride, 0.49 meq/g acidity. Samples were charged to the reactive distillation unit either as 20/40 mesh granules, or as ca. 1.5 mm extrudates. 

J2. A perfectly mixed batch reactor, containing 7500 lb of liquid with a heat capacity of 1 Btu/Ib °F, is surrounded by a cooling jacket that is filled with 2480 lb of perfectly mixed cooling water. 

Dissolve items 3 and item 4 while mixing. Add and dissolve item 2 while mixing. Cool down to about 50° to 55°C. 

Add in order cyclamate calcium and saccharin calcium and mix thoroughly for 20 minutes. While mixing, cool to room temperature and allow standing overnight to hydrate. 

Add and dissolve D-Pseudoephedrine HC1, carbinoxamine maleate, saccharin sodium, and sodium benzoate with mixing. Cool solution to 30° to 35°C. 

Remove heat. While mixing, cool the main solution to 50° to 60°C. 

Mix cooled rice and dressing in a large bowl and then transfer to a serving platter. 

Oxalic Acid and Sulfuric Acid Solution Cautiously add 50 mL of sulfuric acid to 50 mL of water, mix, cool, add 5 g of oxalic acid, and mix to dissolve. 

A. Place 1 mL of a solution containing about 100 pig of sample in each milliliter into each of two test tubes marked A and B, and add 2 mL of a 1 5 sodium acetate solution to each tube. Add 1 mL of water to tube A, and add 1 mL of a 1 25 boric acid solution to tube B, and mix. Cool both tubes to about 20°, and rapidly add 1 mL of a 1 200 solution of 2,6-dichloroquinonechlorimide in alcohol to each tube. A blue color appears in tube A, which fades rapidly and becomes red in a few minutes, but no blue color appears in tube B. 

Substrate Solution On the day of use, stir a portion of purified soluble starch equivalent to 2.0 g of dried substance with 10 mL of water, and add this mixture to 160 mL of water, add it to the hot solution, and heat to boiling, with continuous mixing. Cool to room temperature, and add water to make 200 mL. 

Cooling towers may be classified on the basis of the fluid used for heat transfer and on the basis of the power supplied to the unit. In wet cooling towers, the condenser cooling water and ambient air are intimately mixed. Cooling results from the evaporation of a portion of the water and to a lesser... 

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