Table 9 A comparison between Claus and superclaus process.

From: Design, optimization and controllability analysis of an improved sulfur recovery unit based on SuperClaus process

 

Claus Process

SuperClaus Process

Sulfur recovery (%)

95.9

98.5

Tail gas H₂S (ppmv)

4392

0

# catalytic reactors

3

3

Controllability

Average

Average

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