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40%

60%

80%

100%

Via physical and chemical modification KL7780-TL2.5 was developed to be

more active and less sensitive to reactive Sulphur compounds than the standard

material (KL7763-SH) at equal Pd-loading

Feed 2

0%

10%

20%

30%

40%

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60%

70%

80%

90%

-10 -5 0 5 10 15 20 25 30

con

vers

ion

/ %

TOS after CS2 addition, hours

KL7780 KL7763

conversion of styrene 40bar / LHSV 4 / T@ 80% initial conversion styrene / pygas + S (CS2) - 35ppm / no recycle

Impact of 35 ppm CS2 (80 ppm Total S)

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Conventional Bubble Cap

Shell HD Tray

Shell HD Tray

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