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ECOSA?-From H2S/SO2?to H2SO4 A wet basis sulphuric acid process

ECOSA® is a sulfur recovery technique aiming at producing H2SO4, by treating H2S sour gas, producing H2SO4 and plenty of steam byproduct. This process was granted many national invention patents, which makes it with full patents coverage. So far, We have more than 50 project reference in China.

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Technical principle Process features Process route Project achievement

Keyon ECOSA® is a H2S to H2SO4 process on wet basis for sulfur recovery, with authorized patents globally covered  and more than 50 reference units. ECOSA can treat H2S containing sour gas or sulfur containing compound discharged from coal chemical plant, oil refinery plant and metallurgical plant etc. ECOSA unit produces sulfuric acid and ensures tail gas meet emission standard. In the meantime, ECOSA unit generates a large amount of steam as by-product.


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Address:8 F, Lane2, No406, Guilin Road, Xuhui, District, Shanghai, P.R.China 021-50120846
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