Our chelated-iron desulfurization technology is a kind of technology of aohe iron wet oxidation desulfurization. The process is characterized by simple process, fast desulfurization reaction speed, high flexibility, high desulfurization precision, less side reaction, low alkali consumption and no waste gas discharge.The basic principle of chelated-iron desulfurization is that under the weak alkali condition of pH = 7.5-9 of desulfurizing liquid, the QRP value of fe3+ (L) is moderate, and fe3+ (L) can only be oxidized into s of single substance in desulfurization absorption tower, and the reaction speed is fast, and the opportunity of hs- (L) entering regeneration unit and O2 is eliminated, so that the selectivity of sulfur generation in desulfurization process is high and the generation rate of secondary salt is low; Fe2+ (L) is oxidized by O2 to fe3+ (L) in the regeneration device, and oh-, which realizes a desulfurization regeneration cycle.The company develops the chelated-iron desulfurization technology, mainly used in biogas engineering, natural gas, coal chemical industry, organic wastewater treatment and other industries.At present, the company has built a lot in animal husbandry biogas project, kitchen waste treatment project and high concentration organic wastewater treatment project.
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