Adaptation of thermophilic sludge-inoculum to co-digestion with Sherry-wine distillery wastewater

被引：8

作者：

Agabo-Garcia, Cristina ^{[1
]}

Montserrat, Perez ^{[1
]}

Solera, Rosario ^{[1
]}

机构：

[1] Univ Cadiz, Dept Environm Technol, Cadiz 11500, Spain

来源：

BIOMASS & BIOENERGY | 2020年 / 139卷

关键词：

Adaptation inoculum; Thermophilic anaerobic digestion; Sherry-wine distillery wastewater; Co-digestion sewage sludge; FATTY-ACIDS ACCUMULATION; MUNICIPAL SOLID-WASTE; ANAEROBIC-DIGESTION; ACTIVATED-SLUDGE; METHANE PRODUCTION; KINETIC-ANALYSIS; BATCH; FERMENTATION; ENHANCEMENT; CONVERSION;

D O I：

10.1016/j.biombioe.2020.105628

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

In this work, the progression and microbial considerations have been taking into account in the adaptation of thermophilic sludge-inoculum to anaerobic co-digestion of Sherry-wine distillery wastewater (SW-DW) and sewage sludge (SS). For this purpose, the effect of increasing concentrations of SW-DW as co-substrates with SS was evaluated by measuring biodegradability parameters, biomethane productivity and shift in microbial community. Optimal productivity occurred when 50-75% of SW-DW was used due to consortia adaptation and more soluble compounds obtaining 0.272-0.277 L CH4 center dot g(-1) CODconsumed and TSremoval: 34.5-38.3%; TVSremoval: 51.0-53.2%; CODt(removal): 45.5-64.2%. At this both conditions, hydrolytic acidogenic bacteria reach the maximum levels improving the activity of acetogenic bacteria and acetate utilizing methanogens.

引用

页数：8

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