QualflocPAM Polymer Flocculants

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Bestac International, Inc.

P.O. Box 585

Wayne, NJ 07470  USA

Tel: 973 6336878 

Fax: 973 6330828


Email: service@qualfloc.com


[Bestac International, Inc.]

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Qualfloc™ PAM Flocculants for Sugar Industry


Sugar is produced by processing sugar beets or cane. Basically the process involves the following steps: Extraction of the cane juice, purifying the juice, concentration of the juice to syrup by evaporation, crystallization of sugar from the syrup, and finally separation and drying of the sugar crystals.


Mixed juice from the extraction mills or diffuser is purified by adding lime and flocculants (Qualfloc–W series) with heat. The lime (calcium hydroxide) forms a calcium saccharate compound. The heat and lime will kill enzymes in the juice and increases the pH from 5-6.5 to neutral. pH control is very important throughout the sugar manufacturing process.


When the juice is heated up to 99 to 104°C, the neutralized juice is treated with flocculants and then pumped to a purifying vessel where the mud settles and the purified liquid overflows. Then decolourants are used here (Qualfloc 110W or 111W) for color removal (both products can also be used for purification in sugar refinery). Purified juice is pumped to the evaporation stage for further processing.

Recommended Qualfloc–W series for purification of sugar juice:

Qualfloc A1418W, A2424W, A3226W