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BPCL inaugurates SAP demonstration plant at Kochi Refinery

Tuesday, 11 Jan 2022
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The Bharat Petroleum Corporation (BPCL) has set up a superabsorbent polymer (SAP) technology demonstration plant of 200 tpa at the Kochi Refinery.

Using the in-house acrylic acid as feedstock, SAP technology is used in various hygiene products such as diapers and other incontinence products.

BPCL R&D team has developed the technology for production of hygiene grade SAP. SAP is produced using acrylic acid which is manufactured at the new Propylene Derivatives Petrochemical Complex at Kochi Refinery.

The technology, piping and instrumentation diagram, detail engineering and equipment specification were all in-house developed jointly by the Corporate Research & Development Centre (CRDC) and Kochi Refinery team. No external agency was engaged in the project.

Both polymerisation reactor and the drying units were shifted from BPCL’s Corporate Research & Development Centre at Noida. Other units like feed preparation unit, milling, coating and packing units were indigenously engineered and procured by the project team. The project was completed in just seven months.

SAP is a polymer that can absorb and retain extremely large amounts of a liquid relative to its own mass. Therefore, it is one of the key components in sanitary napkins, baby diapers, under-pads and adult diapers.

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