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Long life, ruggedness, and resistance to poisoning are necessary for efficient desulfurization. In t h e n e w A u t o f i n i n g U n i t at Anglo-Iranian's Llandarcy refinery in Wales, a molybdenumcontaining catalyst desulfurizes naphtha and tractor fuel oil. {Photograph by Anglo'lramctn Oil
Company)
M03 VOLUME
3 2,
NO.
42
·
·
OCTOBER
18.
1954
4171
