The effects of apple pomace, bentonite and calcium superphosphate on swine manure aerobic composting

被引：120
作者：
Jiang, Jishao [1 ,2 ,3 ]
Huang, Yimei [1 ]
Liu, Xueling [1 ]
Huang, Hua [1 ]
机构：
[1] Northwest A&F Univ, Coll Nat Resources & Environm, Key Lab Plant Nutr & Agrienvironm Northwest, Minist Agr, Yangling 712100, Shaanxi, Peoples R China
[2] Chinese Acad Sci, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
[3] Minist Water Resources, Yangling 712100, Shaanxi, Peoples R China
来源：
WASTE MANAGEMENT | 2014年 / 34卷 / 09期
关键词：
Composting; Apple pomace; Bentonite; Calcium superphosphate; Nutrient transformations; PIG-MANURE; NITROGEN LOSSES; CARBON; AMMONIA; TRANSFORMATIONS; PHYTOTOXICITY; HUMIFICATION; DEGRADATION; AMENDMENT; MATURITY;
D O I：
10.1016/j.wasman.2014.05.002
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The effects of additives such as apple pomace, bentonite and calcium superphosphate on swine manure composting were investigated in a self-built aerated static box (90 L) by assessing their influences on the transformation of nitrogen, carbon, phosphorous and compost maturity. The results showed that additives all prolonged the thermophilic stage in composting compared to control. Nitrogen losses amounted to 34-58% of the initial nitrogen, in which ammonia volatilization accounted for 0.3-4.6%. Calcium superphosphate was helpful in facilitating composting process as it significantly reduced the ammonia volatilization during thermophilic stage and increased the contents of total nitrogen and phosphorous in compost, but bentonite increased the ammonia volatilization and reduced the total nitrogen concentration. It suggested that calcium superphosphate is an effective additive for keeping nitrogen during swine manure composting. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1595 / 1602
页数：8
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