独脚金内酯（GR24）对微藻-真菌净化水产养殖废水效果的影响

doi:10.16178/j.issn.0528-9017.20220130

摘要/Abstract

摘要：

本研究分别基于小球藻-灵芝菌和小球藻单养两种藻类技术处理体系对水产养殖废水开展了净化处理。实验过程中探讨了外源添加人工合成的独脚金内酯（GR24）对两个处理体系中生物量和光合作用的影响，以及对水产养殖废水的净化效果。实验结果表明，外源添加GR24的最佳浓度为10^-9 mol·L^-1，相比较而言，小球藻-灵芝菌共培养系统显著提高了光合速率、生物量以及废水中营养物质的去除效果。在最佳条件下（GR24浓度为10^-9 mol·L^-1），水产养殖废水中化学需氧量、总氮和总磷平均去除率分别为92.5%、94.9%和97.1%。

关键词: 藻-菌共生体, 水产养殖废水, 独脚金内酯, 光合特性, 营养盐去除

中图分类号:

S91
X714

弓忠孝. 独脚金内酯（GR24）对微藻-真菌净化水产养殖废水效果的影响[J]. 浙江农业科学, 2022, 63(11): 2719-2725.

图/表 6

参考文献 30

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GR24浓度/ （mol·L^-1）	比生长率/ d^-1		平均日产率/ （g·L^-1·d^-1）
GR24浓度/ （mol·L^-1）	处理体系1	处理体系2	处理体系1	处理体系2
0	0.312 c	0.256 c	0.146 c	0.102 c
10^-7	0.355 b	0.306 b	0.164 b	0.134 b
10^-9	0.398 a	0.341 a	0.189 a	0.156 a
10^-11	0.323 c	0.297 b	0.153 c	0.109 c

GR24浓度/ （mol·L^-1）	比生长率/ d^-1		平均日产率/ （g·L^-1·d^-1）
GR24浓度/ （mol·L^-1）	处理体系1	处理体系2	处理体系1	处理体系2
0	0.312 c	0.256 c	0.146 c	0.102 c
10^-7	0.355 b	0.306 b	0.164 b	0.134 b
10^-9	0.398 a	0.341 a	0.189 a	0.156 a
10^-11	0.323 c	0.297 b	0.153 c	0.109 c

GR24浓度/ （mol·L^-1）	处理体系1				处理体系2
GR24浓度/ （mol·L^-1）	F_v/F_m	PI_ABS	Ψ_O	Φ_Eo	F_v/F_m	PI_ABS	Ψ_O	Φ_Eo
0	0.56 c	4.97 c	0.75 c	0.54 c	0.42 d	3.42 c	0.54 c	0.39 c
10^-7	0.67 b	5.84 b	0.84 ab	0.65 b	0.58 b	4.18 b	0.65 b	0.48 b
10^-9	0.89 a	6.57 a	0.93 a	0.79 a	0.71 a	5.54 a	0.76 a	0.57 a
10^-11	0.63 b	5.25 c	0.81 b	0.61 b	0.53 c	3.76 c	0.58 c	0.44 bc

GR24浓度/ （mol·L^-1）	处理体系1				处理体系2
GR24浓度/ （mol·L^-1）	F_v/F_m	PI_ABS	Ψ_O	Φ_Eo	F_v/F_m	PI_ABS	Ψ_O	Φ_Eo
0	0.56 c	4.97 c	0.75 c	0.54 c	0.42 d	3.42 c	0.54 c	0.39 c
10^-7	0.67 b	5.84 b	0.84 ab	0.65 b	0.58 b	4.18 b	0.65 b	0.48 b
10^-9	0.89 a	6.57 a	0.93 a	0.79 a	0.71 a	5.54 a	0.76 a	0.57 a
10^-11	0.63 b	5.25 c	0.81 b	0.61 b	0.53 c	3.76 c	0.58 c	0.44 bc

GR24浓度/ （mol·L^-1）	处理体系1			处理体系2
GR24浓度/ （mol·L^-1）	COD/%	TN/%	TP/%	COD/%	TN/%	TP/%
0	78.7 c	82.4 c	87.4 c	71.3 c	77.9 c	82.9 b
10^-7	86.6 b	87.9 b	92.5 b	79.4 b	83.8 b	85.3 b
10^-9	92.5 a	94.9 a	97.1 a	87.9 a	90.6 a	92.8 a
10^-11	82.9 bc	85.4 bc	89.7 bc	74.7 bc	81.4 bc	84.7 b

独脚金内酯（GR24）对微藻-真菌净化水产养殖废水效果的影响

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