A margarine processing line for Kerry Oils & Grains (Tianjin) Co. Ltd. employs scraped surface heat exchanger (SSHE) technology, which uses carbon dioxide as the refrigerant. It is the first company in China to build a processing line based on this technology.
In the crystallization process, heat exchangers are used to cool the margarine to form crystals. Traditionally, these heat exchangers have used cooling media such as ammonia or Freon. Carbon dioxide, however, is naturally occurring, less expensive and has no specific safety restrictions or regulations associated with its use. It also uses less energy, which reduces the carbon footprint of the process.
The production line, launched in October 2017 with SPX Flow Nexus SSHE technology, is an expansion to an existing line at the facility. It includes all processes from pre-mixing to final product.
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