Carrier and method of producing the same
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United States of America Patent
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Issued Date -
Aug 12, 2010
app pub date -
Feb 3, 2010
filing date -
Feb 7, 2009
priority date (Note) -
Abandoned
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Abstract
The method of producing a carrier of the invention includes a step of kneading the starting carrier components, solid binding agent, liquid binding agent and diluted nitric acid water. The starting carrier components comprise aluminum hydroxide, pseudoboehmite, γ-alumina, powdery silica gel, powdery natural silica and zeolite. The solid binding agent comprises a powder of α-starch (rice), α-starch (potato), α-starch (tapioca), funori (glue plant), crystalline cellulose and powdery cellulose. The liquid binding agent comprises colloidal alumina, colloidal silica and polyvinyl alcohol. As a de-firing agent, further, there are used wood powder, charcoal powder, rice flour, wheat flour, barley flour, buck wheat flour and corn. The carrier has a pore volume in a range of 0.52 to 0.84 cc/g and a side crushing strength in a range of 2.2 to 11.0 kgf/particle.
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