Process for purifying beet juice
A beet sugar, pre-coating technology, applied in the purification of sugar juice, purification by physical methods, sugar production, etc., can solve problems such as limiting the industrial use of JBTAE
Active Publication Date: 2015-09-16
LESAFFRE & CIE
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- Description
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- Application Information
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Problems solved by technology
These difficulties considerably limit the field of industrial use of JBT AE
Method used
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[0027] 1. Determination of residue level:
[0028] Residue levels were assessed by centrifugation according to the following protocol:
[0029] - Weigh out 65g of JBT AE and add 20ml of water,
[0030] - adjust the pH to 6.5,
[0031] - Add 100ml of demineralized water,
[0032] -Heat to 100°C and keep boiling for 2 to 3 minutes,
[0033] - Cool then centrifuge at 3700 rpm for 15 minutes in a 15 ml tube.
[0034] The amount of residue expressed in ml / 100g is calculated as follows:
[0035] ml lusx100x100 / 15x65.
[0036] 2. Filter JBT AE on a drawdown pre-coated spin filter
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The present invention relates to a process for purifying beet sugar juice and more particularly sugar juice obtained by pressing beets. It also relates to the purified juice and to the uses thereof, in particular as a fermentation substrate and for preparing granulated sugar. The purification process according to the invention comprises a step of passing the juice to be treated through a cellulose-fibre-based pre-layer. This process can be improved when the juice to be treated comprises between 0.1% and 4% of cellulose fibres.
Description
technical field [0001] The present invention relates to a method of purifying beet juice, more particularly to a method of purifying juice obtained by pressing beet. It also relates to purified juice and its use, especially as a fermentation substrate and for the preparation of granulated sugar. Background technique [0002] Beet juice is usually obtained by an extraction method called "diffusion extraction". The method can be summarized as follows: the beets are first washed, then shredded, and then enter a large-capacity extraction machine in which hot water circulates countercurrently. As a result, the sugars contained in the couscous enter the water; this is called diffusion. Once this step is completed, two products are produced, "sugar-depleted" beet pulp and sugar-laden water, also known as leach juice, which will need to be purified according to the lime-carbon separation method to obtain purified juice, concentrated to obtain syrup and optionally crystallized to ...
Claims
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IPC IPC(8): C13B20/00
CPCC13B20/00C13B20/16C13B20/165
Inventor E·珀蒂M-Y·萨拉津
Owner LESAFFRE & CIE