Optical technology improves batch cutting, quality determination

Operating experience on an 800-mile products pipeline in China suggests that optical technology may not only be used to improve batch cutting, reduce "transmix" (mixture of products in transit), and reduce the downgrading of product quality, but also for online quality determination and monitoring.Colonial Pipeline Co., Atlanta, assisted PetroChina Co. Ltd. in use of this is relatively new technology.Optical technologyThe 800-mile, 20-in. LanZhou-ChengDo-ChongQing products pipeline contains 15 stations including tank farms, and booster, delivery, and pressure-reduction stations. Elevations range from 400 m (1,300 ft) to as high as 2,450 m with maximum operating pressure as high as 14 MPa ...

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