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Comment Processing & Handling

Commercial debut for a new olefins-production process

By Gerald Ondrey |

Last month, KBR (Houston; www.kbr.com) was awarded a license and process-design-package contract for a new olefins-production unit using the Advanced Catalytic Olefins (ACO) technology. The contract represents the first license of the ACO process, which catalytically cracks naphtha and other “straight-run” feeds to produce higher olefins yields than traditional steam-cracking technology, says KBR. Shaanxi Yanchang Petroleum Yanan Energy and Chemical Co. will construct and operate the plant, which will be constructed in Luoyang Village, Fucheng Town, Fu County, Shaanxi Province, China. The ACO converter will have a capacity of approximately 200,000 ton/yr of olefins (ethylene and propylene). The ACO process — jointly developed by KBR and SK Innovation Co. (Seoul, South Korea; eng.skinnovation.com) — combines KBR’s Orthoflow fluidized-catalytic-cracking reactor system with a proprietary zeolite-type granular catalyst developed by SK Energy (formerly SK Corp.), which selectively converts paraffinic feeds to large quantities of propylene and ethylene. The ACO system includes the Orthoflow configuration with dual riser, closed cyclones, a third-stage separator, a patented catalyst well (for continuous fuel…
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