基于包裹效应的微藻培养光衰减模型

颜日明	毛玲雯	张志斌	汪涯	杨慧林	朱笃

doi:10.12034/j.issn.1009-606X.215201

过程工程学报 >

2015 , Vol. 15 >Issue 4: 665 - 669

DOI: https://doi.org/10.12034/j.issn.1009-606X.215201

生化工程专栏

基于包裹效应的微藻培养光衰减模型

颜日明毛玲雯张志斌汪涯杨慧林朱笃

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江西师范大学江西省亚热带植物利用与保护省重点实验室江西师范大学江西省亚热带植物利用与保护省重点实验室江西师范大学生命科学学院江西科技师范大学江西省生物加工过程重点实验室江西科技师范大学江西省生物加工过程重点实验室江西师范大学生命科学学院

收稿日期: 2015-04-30

修回日期: 2015-06-30

网络出版日期: 2015-08-20

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A New Light Attenuation Model on Microalgal Suspensions Based on Package Effect

TAN Ri-ming MAO Ling-wen ZHANG Zhi-bin WANG Ya YANG Hui-lin ZHU Du

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Key Laboratory of Protection andutilization of Subtropic Plant resources of Jiangxi Province, Jiangxi Normal University Key Laboratory of Protection andutilization of Subtropic Plant resources of Jiangxi Province, Jiangxi Normal University Jiangxi Normal University Key Laboratory of Bioprocess of Jiangxi Province, Jiangxi Science & Technology Normal University Key Laboratory of Bioprocess of Jiangxi Province, Jiangxi Science & Technology Normal University Jiangxi Normal University

Received date: 2015-04-30

Revised date: 2015-06-30

Online published: 2015-08-20

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摘要

基于藻细胞对光的包裹效应并结合藻细胞的光衰减数据，建立了藻细胞培养的光衰减指数模型，Ka=Kam+ Cexp(-eX)，以文献数据对其进行了检验. 结果表明，模型与文献数据的拟合相关系数分别为0.99965和0.99832. 不同藻细胞对最小比消光系数Kam、参数C和比例系数e有影响，但Kam+C值相对稳定. 色素含量对比消光系数Ka有一定影响，Synechococcus sp. PCC7942的Ka约为240 m2/kg.

关键词： 微藻; 包裹效应; 光衰减; 指数模型

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颜日明毛玲雯张志斌汪涯杨慧林朱笃 . 基于包裹效应的微藻培养光衰减模型[J]. 过程工程学报, 2015 , 15(4) : 665 -669 . DOI: 10.12034/j.issn.1009-606X.215201

Abstract

A new exponential model of light attenuation, Ka=Kam+Cexp(-eX), was proposed on the basis of package effect theory and light attenuation experiments in different microalgal suspensions. The correlation coefficient of this model was evaluated as over 0.99 based on the experimental data from literatures. The minimum attenuation coefficient Kam, constant parameter C and proportional coefficient e were dependent on the types of microalgae, but the value of Kam+C was relatively stable. Moreover, the value of actual attenuation coefficient Ka in Synechococcus sp. PCC7942 was about 240 m2/kg in spite of the alteration of pigment content.

Key words： microalga; package effect; light attenuation; exponential model

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