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8752123 
Journal Article 
PROCESSING HEAVY CRUDE OIL: THE DYNACRACKING PROCESS - AN UPDATE 
Rakow, MS; Calderon, M 
1981 
Yes 
Chemical Engineering Progress
ISSN: 0360-7275 
77 
2 
31-36 
In the 1950s, Hydrocarbon Research, Inc. (HRI) developed a noncatalytic process for the upgrading of crude oils, residua and other similar feedstocks into high-quality fuel gas, naphtha and distillate. The process, now called the Dynacracking process, was evaluated in a 15-bbl/d (2. 4-m**3/d) development unit at HRI's R&D Center, accumulating some 14,000 hours of on-stream time over a four-year period. This article discusses the process, yields and economics for several case studies. Its commercial applications and the status of the program to construct a commercial-scale plant are also summarized.