Title :
Degradation of Lignin in Aqueous Solution by Ultrasonic Radiation
Author :
Chen, Liang ; Jiang, Shiping
Author_Institution :
Nat. Synchrotron Radiat. Lab., Univ. of Sci. & Technol. of China, Hefei, China
Abstract :
The degradation rate of lignin was studied directly by ultrasonic radiation. The effects of ultrasonic power and initial concentrations were investigated. The results showed that the degradation rate of lignin increased with the decrease of initial concentrations, but it increased with the increase of ultrasonic power. At the same time, the degradation of lignin was studied by FTIR spectrum for functional groups measurement and the results showed the degradation was mainly because the ruptures of aromatic skelete.
Keywords :
Fourier transform spectra; biological effects of acoustic radiation; biomolecular effects of radiation; botany; infrared spectra; molecular configurations; ultrasonic effects; FTIR spectrum; aromatic skeleton rupture; functional groups; initial concentration effects; lignin aqueous solution; lignin degradation rate; ultrasonic power effects; ultrasonic radiation; Frequency; Pollution; Polymers; Production; Synchrotron radiation; Temperature; Thermal degradation; Ultrasonic imaging; Ultrasonic variables measurement; Wastewater treatment;
Conference_Titel :
Bioinformatics and Biomedical Engineering , 2009. ICBBE 2009. 3rd International Conference on
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-2901-1
Electronic_ISBN :
978-1-4244-2902-8
DOI :
10.1109/ICBBE.2009.5162577
