Use of edible-oil-processing spent bleaching earth in formulating poultry and livestock feed products
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United States of America Patent
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Dec 6, 2022
Grant Date -
Feb 15, 2018
app pub date -
Mar 4, 2016
filing date -
Mar 6, 2015
priority date (Note) -
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Abstract
The present invention provides a novel method for disposing of spent bleaching earth that is economically beneficial and avoids the problems typically associated with its disposal. By adding fine-particle lime (calcium carbonate) to the spent bleaching earth discharged from the process filters, spontaneous combustion can be eliminated. The material can then be transported in solid form to a production facility for use as a nutritious ingredient in making a wide range of feed products for poultry and livestock.
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