Methane production from secondary paper and pulp sludge: Effect of natural zeolite and modeling

被引：40

作者：

Huilinir, C. ^{[1
]}

Quintriqueo, Alejandra ^{[1
]}

Antileo, Christian ^{[2
]}

Montalvo, Silvio ^{[1
]}

机构：

[1] Univ Santiago Chile, Dept Chem Engn, Santiago, Chile

[2] Univ La Frontera, Dept Chem Engn, Temuco, Chile

来源：

CHEMICAL ENGINEERING JOURNAL | 2014年 / 257卷

关键词：

Paper and pulp sludge; Methane production; Zeolite; Modified Gompertz model; Logistic function model; Modeling; THERMOPHILIC ANAEROBIC-DIGESTION; BIOGAS PRODUCTION; CO-DIGESTION; ACTIVATED-SLUDGE; PIGGERY WASTE; SEWAGE-SLUDGE; PIG WASTE; PRETREATMENT; BATCH; KINETICS;

D O I：

10.1016/j.cej.2014.07.058

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The effect of natural zeolite on methane production from secondary paper and pulp sludge and its modeling are evaluated. Five tests with zeolite concentrations of 0, 0.2, 0.5, 1 and 20 g/L were evaluated at 30 degrees C. The modified Gompertz equation, the logistic function and the transfer function were evaluated. The results show that doses between 0.2 and 1 g/L of zeolite produce a statistically significant increase of accumulated methane, giving values greater than 183 mL for CH4/g of VSadded. On the contrary, the 20 g/L dose of zeolite reduced the methane production. The modified Gompertz and the logistic function models concur with the experimental data, the former having the best fit. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：131 / 137

页数：7

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