Method of operating a Claus-plant

Details Method of operating a Claus-plant Method of operating a Claus-plant

1990-12-28

1992-03-31

Langel, Wayne

Chemistry of inorganic compounds

Sulfur or compound thereof

Elemental sulfur

C01B 1704

Patent

active

051006405

ABSTRACT:
The method of performing the Claus process includes the steps of connecting in parallel two combustion furnaces with waste heat boilers, further reacting, after the partial combusting in the combusion furnaces, in a single Claus reactor which is connected to both of the waste heat boilers of the combustion furnaces so as to receive partially combusted gas from the combustion furnaces, and partially combusting the reactant gas in only one of the combustion furnaces, when a hydrogen sulfide mass flow rate of the hydrogen sulfide fed with the reactant gas is below a certain threshold, and partially combusting of the reactant gas in both of the combustion furnaces, when the hydrogen sulfide mass flow rate of the hydrogen sulfide is greater than the threshold value. The production capacity of the single Claus reactor is designed for a maximum expected hydrogen sulfide mass flow rate in the inflowing reactant gas. The fluctuations or variations of the hydrogen sulfide mass flow rates in the reactant gas can be handles, while minimizing investment and operating costs. Savings of 10 to 15% inoperating and investment costs can result from using this Claus-plant operating process.

REFERENCES:
patent: 3877879 (1975-04-01), Palm et al.

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