Glass-lined equipment baffles

In steel or alloy vessels, the recommended baffle design for suspension of settling solids is four, flat-blade baffles, each baffle with a width, B, equal to r/12, and a wall clearance of at least 7/72. The baffles should extend to the lower end of the straight section of the cylindrical vessel, at the intersection of the cylindrical section with the bottom dish head. In glass-lined equipment, the recommended baffles are either fln or beaver tail types.A minimum of two baffles is recommended. These baffles are generally less effective than the standard four flat-blade baffle design. 

In glass-lined equipment, the recommended baffles are either fin or beaver-tail type (see Chapter 17). A minimum of two baffles is recommended. These baffles are generally less effective than the standard four flat blade baffles. 

The pH of the latter nutrient medium is adjusted to 7.5 with ION sodium hydroxide solution and is placed in a 30 liter glass fermentor equipped with sparger, impeller, baffles and sampling line. The medium is sterilized by heating at 121°C for two hours, is allowed to cool and is then inoculated with 800 ml of the culture mixture obtained as described above. 

Into a 1,000 gallon, jacketed, glass lined reactor equipped with baffles and a two speed (67 and 135 rpm) reversed impeller is introduced 200 g of Richonate 60S (a 60% aqueous slurry of sodium salts of alkylbenzenesulfonic acids) and 364 liters of deionized water, followed by... 

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