The discharge of coloured textile printing and dyeing wastewater causes environmental pollution. Disposing of wastewater efficiently, simply and with low consumption, is a problem that must be addressed. Herein, a catalytic method for rapid decolorisation of organic dyes was devised employing a terpyridine iron complex to activate oxidised permonosulphate. CI Acid Red 1 was used as the simulated pollutant, the influences of operating parameters on the fading effects of wastewater were explored. According to the results, the produced catalytic system exhibits a universal catalytic effect. Even when the dye concentration reaches 76.4 mg/L, the dyeing wastewater may be effectively decolorised. In addition, when anions (HCO₃⁻, SO₄²⁻, Cl⁻) were present in the solution, the degradation effect of CI Acid Red 1 was still effective. Interestingly, active species such as sulphate radicals and singlet oxygen were detected in the catalytic degradation system by radical capture experiments. The removal rate of total organic carbon can achieve a percentage of 26.22% in 2 hours. This research provides a unique, enzyme-like catalytic system for the rapid breakdown of dye contaminants.

中文翻译：

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FeIII(2,2′:6′,2″-三联吡啶)活化过一硫酸盐快速脱色印染废水

有色纺织印染废水的排放造成环境污染。高效、简单、低耗地处理废水是必须解决的问题。在此，设计了一种用于有机染料快速脱色的催化方法，采用三联吡啶铁络合物来活化氧化的过一硫酸盐。以CI酸性红1作为模拟污染物，探讨运行参数对废水褪色效果的影响。结果表明，所制备的催化体系表现出普遍的催化效果。即使染料浓度达到76.4 mg/L，印染废水也能得到有效脱色。另外，当溶液中存在阴离子(HCO ₃ ^-、SO ₄ ^2-、Cl ^{- )时，CI酸性红1的降解效果仍然有效。}有趣的是，通过自由基捕获实验在催化降解系统中检测到了硫酸根和单线态氧等活性物质。2小时总有机碳去除率可达26.22%。这项研究提供了一种独特的类酶催化系统，用于快速分解染料污染物。