Flocculation of spin bath NMMO solution for removal of colloidal impurities in lyocell process

References

• Luo, M.;, et al. Lyocell fibers and process for their preparation. U.S. Patent No. 6,235,392, May 22, 2001.
   Google Scholar
• Rosenau, T.; Potthast, A.; Sixta, H.; Kosma, P. (2001) The chemistry of side reactions and byproduct formation in the system NMMO/cellulose (Lyocell process). Progress in Polymer Science, 26 (9): 1763–1837. doi:10.1016/S0079-6700(01)00023-5
   Web of Science ®Google Scholar
• Mulleder, E.;, et al. Process for the purification of an aqueous solution of a tertiary amine-oxide. U.S. Patent No. 5,773,655, June 30, 1998.
   Google Scholar
• Qi, Y.; Thapa, K.B.; Hoadley, A.F. (2011) Application of filtration aids for improving sludge dewatering properties–a review. Chemical Engineering Journal, 171 (2): 373–384. doi:10.1016/j.cej.2011.04.060
   Web of Science ®Google Scholar
• Gao, W.; Liang, H.; Ma, J.; Han, M.; Chen, Z.L.; Han, Z.S.; Li, G.B. (2011) Membrane fouling control in ultrafiltration technology for drinking water production: a review. Desalination, 272 (1–3): 1–8. doi:10.1016/j.desal.2011.01.051
   Web of Science ®Google Scholar
• Lee, C.S.; Robinson, J.; Chong, M.F. (2014) A review on application of flocculants in wastewater treatment. Process Safety and Environmental Protection, 92 (6): 489–508. doi:10.1016/j.psep.2014.04.010
   Web of Science ®Google Scholar
• Razali, M.A.A.; Ahmad, Z.; Ahmad, M.S.B.; Ariffin, A. (2011) Treatment of pulp and paper mill wastewater with various molecular weight of polyDADMAC induced flocculation. Chemical Engineering Journal, 166 (2): 529–535. doi:10.1016/j.cej.2010.11.011
   Web of Science ®Google Scholar
• Bharti, S.; Mishra, S.; Sen, G. (2013) Ceric ion initiated synthesis of polyacrylamide grafted oatmeal: its application as flocculant for wastewater treatment. Carbohydrate Polymers, 93 (2): 528–536. doi:10.1016/j.carbpol.2012.11.072
   PubMed Web of Science ®Google Scholar
• Mansri, A.; Bendraoua, A.; Benmoussa, A.; Benhabib, K. (2015) New polyacrylamide [PAM] material formulations for the coagulation/flocculation/decantation process. Journal of Polymers and the Environment, 23 (4): 580–587. doi:10.1007/s10924-015-0734-7
   Web of Science ®Google Scholar
• Aguilar, M.I.; Saez, J.; Lloréns, M.; Soler, A.; Ortuno, J.F.; Meseguer, V.; Fuentes, A. (2005) Improvement of coagulation–flocculation process using anionic polyacrylamide as coagulant aid. Chemosphere, 58 (1): 47–56.
   PubMed Web of Science ®Google Scholar
• Wang, D.; Liu, X.; Zeng, G.; Zhao, J.; Liu, Y.; Wang, Q.; … Yang, Q. (2018) Understanding the impact of cationic polyacrylamide on anaerobic digestion of waste activated sludge. Water Research, 130: 281–290. doi:10.1016/j.watres.2017.12.007
   PubMed Web of Science ®Google Scholar
• Kitchener, J.A.;. (1972) Principles of action of polymeric flocculants. British Polymer Journal, 4 (3): 217–229. doi:10.1002/(ISSN)1934-256X
   Google Scholar
• Brostow, W.; Lobland, H.H.; Pal, S.; Singh, R.P. (2009) Polymeric flocculants for wastewater and industrial effluent treatment. Journal of Materials Education, 31 (3–4): 157–166.
   Google Scholar
• Martin, M.A.; González, I.; Berrios, M.; Siles, J.A.; Martin, A. (2011) Optimization of coagulation–flocculation process for wastewater derived from sauce manufacturing using factorial design of experiments. Chemical Engineering Journal, 172 (2–3): 771–782.
   Web of Science ®Google Scholar
• Ghafari, S.; Aziz, H.A.; Isa, M.H.; Zinatizadeh, A.A. (2009) Application of response surface methodology (RSM) to optimize coagulation–flocculation treatment of leachate using poly-aluminum chloride (PAC) and alum. Journal of Hazardous Materials, 163 (2–3): 650–656. doi:10.1016/j.jhazmat.2008.07.090
   PubMed Web of Science ®Google Scholar
• Kamei, N.; Hiraoka, S.; Kato, Y.; Tada, Y.; Shida, H.; Lee, Y.; … Koh, S. (1995). Power correlation for paddle impellers in spherical and cylindrical agitated vessels; Kyukeiso oyobi entoso ni okeru paddle yoku no kakuhan shoyo doryoku no sokan.
   Google Scholar
• Kamei, N.; Hiraoka, S.; Kato, Y.; Tada, Y.; Iwata, K.; Murai, K.; … Koh, S. (1996). Effects of impeller and baffle dimensions on power consumption under turbulent flow in an agitated vessel with paddle impeller; Paddle yoku wo sonaeta ranryu kakuhanso no shoyo doryoku ni oyobosu tsubasa oyobi jamaita sunpo no eikyo.
   Google Scholar
• Woldu, A.R.; Tsigie, Y.A. (2015) Optimization of hydrolysis for reduced sugar determination from avocado seed wastes. American Journal of Environment Energy Power Research, 3: 1–10.
   Google Scholar