Two-phase anaerobic codigestion of a cassava starch-based biopolymer with papaya waste

被引：0

作者：

Cremonez, Paulo Andre ^{[1
,3
]}

Teleken, Joel Gustavo ^{[1
]}

Meier, Thompson Ricardo Weiser ^{[1
]}

Alves, Helton Jose ^{[1
]}

Teleken, Jhony ^{[2
]}

机构：

[1] Fed Univ Parana UFPR Setor Palotina, Dept Engn & Exact Sci, Palotina, PR, Brazil

[2] UFSC Fed Univ Santa Catarina, Dept Chem Engn & Food Engn, BR-88010970 Florianopolis, SC, Brazil

[3] Fed Univ Parana UFPR, Campus Palotina,R Pioneiro 2153, BR-85950000 Palotina, Brazil

来源：

ENVIRONMENTAL PROGRESS & SUSTAINABLE ENERGY | 2024年 / 43卷 / 04期

关键词：

biodegradable polymers; biogas; dark fermentation; fruit waste; methane; ORGANIC LOADING RATE; HYDROGEN-PRODUCTION; FOOD WASTE; METHANE PRODUCTION; BIOGAS PRODUCTION; CO-DIGESTION; BIOHYDROGEN PRODUCTION; DARK FERMENTATION; SINGLE-PHASE; FRUIT;

D O I：

10.1002/ep.14368

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The objective of this work was to evaluate anaerobic digestion processes of mixtures of cassava starch-based polymer (CSP) and papaya fruit pulp waste (PPW) at different ratios, with physical division of digestion stages. Acidogenic phase (phase 1) was conducted under temperature of 45 degrees C and hydraulic retention time of 96 h. Monitoring reactors with destructive samples were subjected to the same conditions in order to assess the initial degradation profile of the substrates. The methanogenic phase (phase 2) was conducted under temperature of 37 degrees C and the hydraulic retention time was defined as equal to the time the biogas production ceased. The results showed that the CSP/PPW mixtures presented interesting synergism and high biogas production potential under the conditions studied. The treatment with CSP/PPW at the ratio of 75/25 showed the best digestion performances in the phase 1. The highest CSP to PPW ratios showed satisfactory results for accumulated biogas productions (5955.58 mL) and for maximum biogas production rate (25.64 mL gVS-1 day-1) in the phase 2.

引用

页数：14

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