Extraction method for removing peculiar smell of feed-grade threonine product

The invention is applicable to the technical field of threonine extraction, and provides an extraction method for removing peculiar smell of a feed-grade threonine product, which comprises the following steps: sterilizing threonine fermentation liquor to obtain sterilized fermentation liquor; filter...

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Hauptverfasser: FANG XIJIE, WANG SONGJIANG, GUO CHUANZHUANG, WANG HAO, WANG JIANBIN, LI JUNLIN
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creator FANG XIJIE
WANG SONGJIANG
GUO CHUANZHUANG
WANG HAO
WANG JIANBIN
LI JUNLIN
description The invention is applicable to the technical field of threonine extraction, and provides an extraction method for removing peculiar smell of a feed-grade threonine product, which comprises the following steps: sterilizing threonine fermentation liquor to obtain sterilized fermentation liquor; filtering the sterilized fermentation liquor by using a ceramic membrane to obtain a ceramic membrane dialysate; feeding the ceramic membrane dialysate into adsorption resin, and then deaminating to obtain deaminated liquid; feeding the deamination liquid into a decoloration and deodorization resin column for decoloration and impurity removal, wherein the decoloration and deodorization resin is Zhengguang SD333 resin; feeding is stopped when the feeding speed is controlled to be 2-3 BV/h and the light transmittance is 80%, the feeding volume multiple is 11-13 times, and effluent is obtained; and concentrating, cooling, crystallizing and drying the effluent to obtain a threonine finished product. In conclusion, the adsorb
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
FODDER
FOODS OR FOODSTUFFS
HUMAN NECESSITIES
METALLURGY
ORGANIC CHEMISTRY
THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
title Extraction method for removing peculiar smell of feed-grade threonine product
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