scholarly journals The application of near-infrared spectroscopy in beer fermentation for online monitoring of critical process parameters and their integration into a novel feedforward control strategy

2017 ◽  
Vol 123 (3) ◽  
pp. 347-360 ◽  
Author(s):  
Lucas Vann ◽  
Johnathon B. Layfield ◽  
John D. Sheppard
Keyword(s):  
Infrared Spectroscopy ◽  
Near Infrared Spectroscopy ◽  
Process Parameters ◽  
Control Strategy ◽  
Near Infrared ◽  
Online Monitoring ◽  
Feedforward Control ◽  
Beer Fermentation ◽  
Critical Process Parameters ◽  
Critical Process

Online monitoring of P(3HB) produced from used cooking oil with near-infrared spectroscopy

2015 ◽  
Vol 194 ◽  
pp. 1-9 ◽  
Author(s):  
Madalena V. Cruz ◽  
Mafalda Cruz Sarraguça ◽  
Filomena Freitas ◽  
João Almeida Lopes ◽  
Maria A.M. Reis
Keyword(s):  
Infrared Spectroscopy ◽  
Near Infrared Spectroscopy ◽  
Near Infrared ◽  
Online Monitoring ◽  
Cooking Oil ◽  
Used Cooking Oil

scholarly journals Study on the Processing Technology of Calamine Calcination by Near-Infrared Spectroscopy

2019 ◽  
Vol 2019 ◽  
pp. 1-13 ◽  
Author(s):  
Xiaodong Zhang ◽  
Long Chen ◽  
Yu Bai ◽  
Keli Chen
Keyword(s):  
Infrared Spectroscopy ◽  
Near Infrared Spectroscopy ◽  
Near Infrared ◽  
Online Monitoring ◽  
Analysis Model ◽  
Value Analysis ◽  
Calcination Process ◽  
Near Infrared Spectra ◽  
Different Temperatures ◽  
Xrd Patterns

Near-infrared spectroscopy has been widely used in qualitative and quantitative analysis and online monitoring in the production process of traditional Chinese medicines. The aim was to establish a fast determination model of zinc oxide (ZnO) content in calcined calamine and to explore methods through judging the end point of calamine calcination. Eight batches of calamine samples sourced from hydrozincite with different sizes and textures were calcined at different temperatures. During the calcination process, ZnO contents, X-ray diffraction (XRD) patterns, and near-infrared spectra of the samples were used to analyze their changes rules. The model of determining ZnO content of calcined calamine was established to use near-infrared spectroscopy based on the partial least squares (PLS) regression algorithm. In addition, this paper summarized the change rules of calamine in calcination according to XRD patterns, using the “K value” quantitative method to define the characteristic T value. When the T value was equal to 1.00 (100%), that is to say, the calamine sample was completely calcined. Then, matching the near-infrared spectroscopy data with the T value and establishing the T value analysis model using the PLS algorithm were performed. Through cross and independent validation and evaluation, it was proved that the two models were very effective and had strong predictive abilities. Finally, the purpose of the online monitoring of the calcination process and controlling the quality of the calcined calamine was achieved.

scholarly journals Online monitoring of urea concentration in dialysate with dual-beam Fourier-transform near-infrared spectroscopy

2004 ◽  
Vol 9 (3) ◽  
pp. 553 ◽  
Author(s):  
Peter Snoer Jensen ◽  
Jimmy Bak ◽  
Søren Ladefoged ◽  
Stefan Andersson-Engels ◽  
Lennart Friis-Hansen
Keyword(s):  
Fourier Transform ◽  
Infrared Spectroscopy ◽  
Near Infrared Spectroscopy ◽  
Near Infrared ◽  
Online Monitoring ◽  
Urea Concentration ◽  
Dual Beam
Sign in / Sign up

Export Citation Format

Share Document