A low temperature plasma device and method of decomposing hydrogen sulfide

Abstract

The invention relates to the field of plasma chemistry, and discloses a low-temperature plasma device and a method for decomposing hydrogen sulfide; the device comprises a first cavity (1), a second cavity (2), a third cavity (7), an inner electrode (3), an outer electrode (4) and a blocking medium (6), wherein the inner electrode (3) and the outer electrode (4) are both solid electrodes, and theshapes of the inner electrode (3) and the outer electrode (4) are mutually matched to form an equal-diameter structure. According to the low-temperature plasma reaction device provided by the invention, the hydrogen sulfide decomposition process can be continuously and stably carried out under the condition of obviously higher hydrogen sulfide conversion rate, and the device can realize long-period operation.

Description

Technical field

[0001] The invention relates to the field of plasma chemistry, in particular to a low-temperature plasma device and a method for decomposing hydrogen sulfide. Background technique

[0002] Hydrogen sulfide (H 2 S) is a highly toxic and foul-smelling acidic gas, which not only causes corrosion of metals and other materials, but also harms human health and pollutes the environment. At present, the large and medium-sized oil refineries in my country adopt the traditional Claus method (Claus) to treat H-containing 2 S tail gas, and recover sulfur. This method only recovers the sulfur in hydrogen sulfide, but converts precious hydrogen into water. From the perspective of comprehensive utilization of resources, in the traditional hydrogen sulfide recovery process, hydrogen resources have not been effectively used.

[0003] Therefore, the decomposition of hydrogen sulfide into sulfur and hydrogen has gradually become a technical field that domestic and foreign researcher...

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