Macroporous alumina/diatomaceous earth bio-supports
First Claim
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1. A whole cell support comprising alumina and diatomaceous earth characterized in that the support has interconnected pores which are at least 5 microns in diameter.
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Abstract
This invention relates to a whole cell support and a method of preparing the support. The support comprises alumina and diatomaceous earth characterized in that the support has interconnected pores which are at least 5 microns in diameter and preferably has a pore volume greater than about 0.3 mL/g. The support is prepared by forming a mixture of an aluminum sol and a diatomaceous earth forming spheres from the mixture by using the oil drop method and then calcining at a temperature of about 1000° to about 1450° C.
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10 Claims
- 1. A whole cell support comprising alumina and diatomaceous earth characterized in that the support has interconnected pores which are at least 5 microns in diameter.
- 6. A process for preparing a whole cell support comprising forming a mixture of an aluminum sol and a sufficient amount of a diatomaceous earth, forming said mixture into spheres by dropping said mixture into an oil tower, isolating the spheres and calcining the spheres at a temperature and for a time sufficient to form a whole cell support having interconnected pores which are at least 5 microns in diameter.
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