کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
745698 894428 2009 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Non-specific conducting polymer-based array capable of monitoring odour emissions from a biofiltration system in a piggery building
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
Non-specific conducting polymer-based array capable of monitoring odour emissions from a biofiltration system in a piggery building
چکیده انگلیسی

A commercial non-specific gas sensor array system was evaluated in terms of its capability to monitor the odour abatement performance of a biofiltration system developed for treating emissions from a commercial piggery building. The biofiltration system was a modular system comprising an inlet ducting system, humidifier and closed-bed biofilter. It also included a gravimetric moisture monitoring and water application system for precise control of moisture content of an organic woodchip medium. Principal component analysis (PCA) of the sensor array measurements indicated that the biofilter outlet air was significantly different to both inlet air of the system and post-humidifier air. Data pre-processing techniques including normalising and outlier handling were applied to improve the odour discrimination performance of the non-specific gas sensor array. To develop an odour quantification model using the sensor array responses of the non-specific sensor array, PCA regression, artificial neural network (ANN) and partial least squares (PLS) modelling techniques were applied. The correlation coefficient (r2) values of the PCA, ANN, and PLS models were 0.44, 0.62 and 0.79, respectively.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Sensors and Actuators B: Chemical - Volume 135, Issue 2, 15 January 2009, Pages 455–464
نویسندگان
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