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This is a blog that was launched in February 2021 with the goal of providing fundamental knowledge about the sugar processing industry. Our focus is on new developments and technologies in this field, with special attention paid to energy-saving concepts.


We welcome contributions from technologists who wish to share their knowledge and achievements in their organizations. By sharing new developments and technologies in the sugar industry and its auxiliary units, we can help others replicate these successes without reinventing the wheel.

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Sugar Refinery Terminology

Sugar Final product of Sugar Refinery. Chemically, a form of Disaccharides or Carbohydrates, essentially sucrose. Raw sugar is produced in a raw sugar plant and requires further processing in a refinery. Raw sugar is the raw material for sugar refineries. Some raw sugar mills have refineries attached to them. And there are standalone refineries that purchase raw sugar from raw sugar mills and refine it in their process house. Sucrose β-D- Fructofuranosyl α –D- glucopyranoside is the chemical name of sucrose, which is pure chemical compound of formula C 2 H 22 O 11 , widely known as sugar.  Source: Wikipedia Ash Content A quantitative measurement of Solid residue from incineration in oxygen presence. High ash content in Raw Sugar will require much more filtration and have a negative impact on total sugar refining capability. Ash content in sugar products is determined by incinerating a sample in the presence of oxygen and measuring the solid residue gravimetrically. During the anal
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Ion Exchange Resin Process in Sugar Refinery

Sugar refining is a process that requires removing impurities and colorants from raw sugar to produce pure and white sugar. One of the methods used for sugar decolorization is the ion exchange resin (IER) process, which is based on the principle of exchanging ions between a solution and a solid resin. In this blog post, we will explain how the IER process works in sugar refinery, what are its advantages and challenges, and what are the best practices for optimizing its performance. The IER process in sugar refinery consists of passing sugar liquor through a bed of resin beads that have functional groups attached to their surface. These functional groups can either attract or repel certain ions in the solution, depending on their charge and affinity. For example, a strong acid cation (SAC) resin has sulfonic acid groups that can exchange hydrogen ions (H+) with other cations such as sodium (Na+), calcium (Ca2+), or magnesium (Mg2+). Similarly, a strong base anion (SBA) resin has quatern
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Rotary Pressure Filters Sugar Refinery

Rotary pressure filters are extensively utilized in the sugar industry to filter carbonated liquor , a solution consisting of sugar and lime that has undergone carbonation to eliminate impurities. These filters are known for their ability to conduct both pressure filtration and cake washing within a single unit. A rotary pressure filter comprises a cylindrical drum that rotates at a gradual pace either horizontally or vertically. The drum is partitioned into multiple sections, each equipped with its individual filter medium, commonly made of cloth, and designated process zone. The drum is enclosed within a pressure vessel, which contains the feed slurry, wash liquid, and filtrate. Rotary pressure filter involves several key steps for proper filtration- Distribution: Carbonated liquor, containing a mixture of sugar crystals and molasses, is evenly distributed onto a filter medium (typically a cloth) that covers a rotating drum. The drum is divided into compartments, each filled with t
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