The abundantly released tail-gas from lignocellulose pretreatment with phosphoric acid plus hydrogen peroxide (PHP) was found to accelerate the aging of latex/silicone textural accessories of the pretreatment device. Inspired by this, tail-gas was utilized to control organic pollutants. Methylene blue (MB), as a model pollutant, was rapidly decolorized by the tail-gas, and oxidative degradation was substantially proven by full-wavelength scanning with a UV–visible spectrometer. The tail-gas from six typical lignocellulosic feedstocks produced 68.0–98.3% MB degradation, suggesting its wide feedstock compatibility. Three other dyes, including rhodamine B, methyl orange and malachite green, obtained 97.5–99.5% degradation; moreover, tetracycline, resorcinol and hexachlorobenzene achieved 73.8–93.7% degradation, suggesting a superior pollutant compatibility. In a cytotoxicity assessment, the survival rate of the degraded MB was 103.5% compared with 80.4% for the untreated MB, implying almost no cytotoxicity after MB degradation. Mechanism investigations indicated that the self-exothermic reaction in PHP pretreatment drove the self-generated peroxy acids into tail-gas. Moreover, it heated the pollutant solution and thermally activated peroxy acids as free radicals for efficient pollutant degradation. Here, a brand-new technique for degrading organic pollutants with a “Win–Win–Win” concept was purposed for lignocellulose valorization, pollutant control by waste tail-gas, and biofuel production.

发现用磷酸加过氧化氢 (PHP) 预处理木质纤维素后大量释放的尾气会加速预处理装置的乳胶/有机硅纹理附件的老化。受此启发，尾气被用于控制有机污染物。亚甲基蓝（MB）作为一种模型污染物，被尾气迅速脱色，并且通过紫外-可见光谱仪的全波长扫描基本证明了氧化降解。来自六种典型木质纤维素原料的尾气产生了 68.0-98.3% 的 MB 降解，表明其具有广泛的原料兼容性。其他三种染料，包括罗丹明 B、甲基橙和孔雀石绿，降解率为 97.5-99.5%；此外，四环素、间苯二酚和六氯苯的降解率为 73.8-93.7%，表明优越的污染物相容性。在细胞毒性评估中，降解 MB 的存活率为 103.5%，而未处理 MB 的存活率为 80.4%，这意味着 MB 降解后几乎没有细胞毒性。机理研究表明，PHP预处理中的自放热反应驱使自生过氧酸进入尾气。此外，它加热污染物溶液并热活化过氧酸作为自由基，以有效降解污染物。在这里，一种全新的“双赢”理念的有机污染物降解技术被用于木质纤维素增值、废气尾气污染物控制和生物燃料生产。意味着MB降解后几乎没有细胞毒性。机理研究表明，PHP预处理中的自放热反应驱使自生过氧酸进入尾气。此外，它加热污染物溶液并热活化过氧酸作为自由基，以有效降解污染物。在这里，一种全新的“双赢”理念的有机污染物降解技术被用于木质纤维素增值、废气尾气污染物控制和生物燃料生产。意味着MB降解后几乎没有细胞毒性。机理研究表明，PHP预处理中的自放热反应驱使自生过氧酸进入尾气。此外，它加热污染物溶液并热活化过氧酸作为自由基，以有效降解污染物。在这里，一种全新的“双赢”理念的有机污染物降解技术被用于木质纤维素增值、废气尾气污染物控制和生物燃料生产。