Evaluation of Chlorella vulgaris and Scenedesmus obliquus growth on pretreated organic solid waste digestate

被引：21
|
作者：
Scarponi, P. [1 ]
Ghirardini, A. M. Volpi [1 ]
Bravi, M. [2 ]
Cavinato, C. [1 ]
机构：
[1] Univ Ca Foscari Venice, Dept Environm Sci Informat & Stat, Via Torino 155, I-30172 Venice, Italy
[2] Sapienza Univ Rome, Dept Chem Engn Mat Environm, Via Eudossiana 18, I-00184 Rome, Italy
来源：
WASTE MANAGEMENT | 2021年 / 119卷 / 119期
关键词：
Microalgae; Anaerobic digestion; Scenedesmus obliquus; Chlorella vulgaris; Organic waste; Digestate; MICROALGAE CULTIVATION; ANAEROBIC-DIGESTION; NUTRIENT RECOVERY; LIGHT-INTENSITY; CHLOROPHYLL-A; SWINE MANURE; CELL-GROWTH; WATER; BIOMASS; EFFLUENT;
D O I：
10.1016/j.wasman.2020.09.047
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this research Scenedesmus obliquus and Chlorella vulgaris growth was tested on digestate sludge obtained from the anaerobic co-digestion treatment of the organic fraction of municipal solid waste (OFMSW) together with waste activated sludge (WAS). Digestate was diluted 1:10 and tested in three batch experimental conditions: with no pre-treatments (noPT), after centrifugation (AC) and after filtration (AUF), in order to evaluate microalgae limiting growth factors. The best growth was obtained by C. vulgaris on digestate AC compared to S. obliquus, reaching 479 +/- 31 cell million ml(-1) and 131 +/- 12 cell million ml(-1) respectively. Ammonia removal evaluated in C. vulgaris and S. obliquus cultures was 99.2% +/- 0.3 and 98.146% +/- 0.008 in AC condition, respectively. Considering that AUF showed similar microalgae growth values, the digestate pretreatment for microalgae growth, could be limited to centrifugation. (C) 2020 Elsevier Ltd. All rights reserved.
引用
收藏
页码：235 / 241
页数：7
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