The BP Catalytic Dewaxing Process

BP found that it is possible to reduce pour points catalytically. A mordenite dual-function zeolite catalyst in the hydrogen form (to confer acidity and 

Feedstocks Dewaxed by the Edeleanu Urea Dewaxing Process 

Source A. Hoppe, Dewaxing with Urea, in Advances in Petroleum Chemistry and Refining, vol. VIII (New York Interscience Publishers, 1964), 193-234. With permission. 

FIGURE 9.16 Two-dimensional representation of zeolite basic framework. 

Source K. Donaldson and C. R. Pout, The Application of a Catalytic Dewaxing Process to the Production of Lubricating Oil Basestocks, presented at the Symposium on Advances in Distillate and Residue Technology, Division of Petroleum Chemistry, American Chemical Society meeting, New York, August 27-September 1, 1972. With permission. 

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R. N. Bennett and G. I. Elkes, Low Pour Oils from Paraffinic Crudes by the BP Catalytic Dewaxing Process, Paper F L-74-52, presented at the National Fuels and Lubricants meeting, Houston, Texas, November 6-8, 1974. 

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