Abstract
Abstract Effects of binder and water contents on extrusion behavior of a 100 CPSI (cells per square inch) square lattice channel honeycomb-type zeolite monolith support with 0.59 mm wall thickness and an overall cross-sectional square area of 100 cm2 have been studied. Process variables for successfully processing the green-body were first optimized, but drying condition of the green body turned out to be more crucial in successful fabrication of the calcined honeycomb-type support. Overall, the addition of processing additives such as 2.4 wt.-% of organic binder, 17.6 wt.-% of distilled-water to 60.0 wt.-% natural zeolite paste exhibited low exit pressure and contributed to successful fabrication of honeycomb-type zeolite monolith green body. The green bodies thus fabricated were dried for about 140 h under 95% relative humidity at 60 °C before final calcination treatment for 2 hr at 600 °C.
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