龙舌兰果醋高级氧化工艺的双重视角（传统和太阳能强化）

IF 0.2 Q4 CHEMISTRY, MULTIDISCIPLINARY

Revista Colombiana de Quimica Pub Date : 2021-08-25 DOI:10.15446/rev.colomb.quim.v50n2.93101

J. Ferrer-Gutiérrez, Jovanny Angelina Santos-Luna, Jhonny Edgar Pérez-Rodríguez, J. Marcheno-Revilla, F. Cuenca-Mayorga

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引用次数: 0

摘要

根据相关环境法规对龙舌兰椰汁进行了物理化学表征。得到以下结果：COD：71000 mg.L-1，总固体：21000 mg.L-1；溶解固体：17000 mg.L-1；pH：4.06，电导率：9.45 mhoscm-1，总Fe：48.83 mg.L-1，总酚类：8.66 mg.L-1；BOD:30000 mg.L-1。采用芬顿反应和光-芬顿反应对产生的废水进行处理。对于Fenton工艺，发现的最佳氧化条件为pH=3.48，[COD]：[H2O2]质量比=1:5，[Fe+2]：[HO2]质量比=1:6。对于光-芬顿工艺，发现最佳参数为：pH=3.98，[COD]:[H2O2]=1:7.86，[Fe+2]:[HiO2]=1:5。对实验数据进行了调整，以拟合二阶多项式模型，芬顿过程的R2=0.88，光芬顿过程为R2=0.91。产生的污泥具有以下特征：平均COD：41000 mg.L-1，总Fe：296000 mg.L-1；pH：7.7。在这两个过程中影响最大的变量是[Fe+2]:[H2O2]和[COD]:[HO2]。

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A dual perspective (conventional and solar-enhanced) on advanced oxidation processes for the treatment of Agave cocui vinasses

Agave cocui vinasse was physicochemically characterized with reference to the relevant environmental regulations. The following results were obtained: COD: 71,000 mg.L-1, total solids: 21,000 mg.L-1, dissolved solids: 17,000 mg.L-1; pH: 4.06, conductivity: 9.45 mhoscm-1, total Fe: 48.83 mg.L-1, total phenols: 8.66 mg.L-1; BOD: 30,000 mg.L-1. Fenton and photo-Fenton reactions were applied to treat the wastewater produced. For the Fenton process, the optimal oxidation conditions found were pH = 3.48, [COD]:[H2O2] mass ratio = 1:5, and [Fe+2]: [H2O2] mass ratio = 1:6. For the photo-Fenton process, the optimal parameters found were: pH = 3.98, [COD]:[H2O2] = 1:7.86, and [Fe+2]: [H2O2] = 1:5. The experimental data were adjusted to fit second order polynomial models with R2 = 0.88 for the Fenton process and R2 = 0.91 for the photo-Fenton process, respectively. The sludge produced featured the following characteristics: average COD: 41,000 mg.L-1, total Fe: 296,000 mg.L-1, pH: 7.7. The variables with the greatest influence in both processes were [Fe+2]:[H2O2] and [COD]:[H2O2].

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来源期刊

Revista Colombiana de Quimica CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

1.50

自引率

0.00%

发文量

期刊介绍： The Revista Colombiana de Química - Colombian Journal of Chemistry (Rev. Colomb. Quim.) Is a peer-reviewed scientific journal of the Department of Chemistry, Faculty of Sciences of the Universidad Nacional de Colombia, Bogotá. It currently publishes three volumes per year: January-April, May-August and September-December. All the content published by the Journal (available online) is under a Creative Commons attribution license type BY 4.0, that allows any person or entity in the world to freely access the content, share it, download it, adapt it or make derivative works without any restriction, provided that it adequately indicates the credit to the authors and to the Colombian Journal of Chemistry.