Title :
Studied on Decolorization of CTMP Wastewater by a New Coagulant of Calcic and Aluminum
Author :
Hou Yi ; Zheng Zhen-Shan ; Hu Songqing ; Li You-ming
Author_Institution :
State Key Lab. of Pulp & Paper Eng., South China Univ. of Technol., Guangzhou, China
Abstract :
A new coagulant of calcic and aluminum HCA was used to decolorize the CTMP wastewater. The results showed that in the condition of pH 4 to pH 7 and the dosage of HCA 4 ml to 7 ml per 100 ml wastewater, the color of CTMP effluent could be decreased from 25600 C.U. to below 80 C.U. with the increase of biodegradation of wastewater. The mechanisms of decolorization were analyzed by UV/VIS spectrometer, FT-IR instrument and GC-MS spectrometer, the results showed that it was the flocculation with lignin structure could the coagulant of calcic and aluminum got good effects of decolorization.
Keywords :
aluminium; coagulation; effluents; environmental degradation; flocculation; infrared spectra; mass spectroscopic chemical analysis; paper industry; paper pulp; thermomechanical treatment; ultraviolet spectra; visible spectra; wastewater treatment; water pollution; CTMP effluents; CTMP wastewater decolorization; FT-IR instrument; GC-MS spectrometer; UV-spectrometer analysis; VIS spectrometer analysis; aluminum HCA coagulant; calcic coagulant; chemico-thermomechanical pulping; flocculation; lignin structure; wastewater biodegradation; Aluminum; Biodegradation; Chemicals; Color; Effluents; Instruments; Paper technology; Spectroscopy; Temperature; Wastewater;
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.2009.5163436
