Polyhydroxyalkanoate Biosynthesis from Paper Mill Wastewater Treated by a Moving Bed Biofilm Reactor

被引：3
作者：
Baeza, Rocio [1 ,2 ]
Jarpa, Mayra [1 ,2 ]
Vidal, Gladys [1 ,2 ]
机构：
[1] Univ Concepcion, Engn & Environm Biotechnol Grp, Environm Sci Fac, POB 160-C, Concepcion, Chile
[2] Univ Concepcion, Ctr EULA Chile, POB 160-C, Concepcion, Chile
来源：
WATER AIR AND SOIL POLLUTION | 2016年 / 227卷 / 09期
关键词：
Organic matter; Polyhydroxyalkanoate; Aerobic system; MBBR reactor; ACTIVATED-SLUDGE; PINUS-RADIATA; AERATED LAGOON; EFFLUENTS; BIOREACTOR; ACIDS; PHA;
D O I：
10.1007/s11270-016-2969-x
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
One potential way for organic matter recovering contained in paper mill effluents can be obtaining polyhydroxyalkanoate (PHA). The aim of this work was to evaluate PHA biosynthesis from paper mill effluents by moving bed biofilm reactor (MBBR) under different operational strategies of the BOD5/nitrogen (N)/phosphorus (P) ratio. The operational strategies were evaluated in two phases. During phase I, organic loading rates (OLRs) were increased from 0.13 to 2.99 biological oxygen demand kg BOD5 m(-3) day(-1), and in phase II, kg BOD5 m(-3) day(-1) was increased from 0.81 to 2.83. In both phases, the BOD5/N/P ratios were 100:5:1 and 100:1:0.3. The maximum percentages of PHA-accumulating cells and organic matter removal were 85.10 and 95.60 % for phase I, both with a BOD5/N/P ratio of 100:5:1, while in phase II, PHA biosynthesis and organic removal were 89.41 and 97.10 % with 100:1:0.3 and 100:5:1, respectively.
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页数：8
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