Optimal Conditions for Lignin Coagulation in Lignin Contaminated Water
Surin Saipanya*, Ruangsri Watanesk, Wimol Saiyasombat and Sunanta Wangkarn* Author for corresponding; e-mail address: kate398@hotmail.com
Volume: Vol.30 No.2 (AUGUST 2003)
Research Article
DOI:
Received: 8 January 2003, Revised: -, Accepted: 1 May 2003, Published: -
Citation: Saipanya S., Watanesk R., Saiyasombat W. and Wangkarn S., Optimal Conditions for Lignin Coagulation in Lignin Contaminated Water, Chiang Mai Journal of Science, 2003; 30(2): 123-131.
Abstract
Optimal conditions for lignin coagulation in aqueous medium by various coagulants was studied by varying pH, amount of coagulant added and settling time. The coagulants used are aluminium sulphate (alum), polyacrylamide (PAM) and chitosan. It was observed that the formation of floes was rapidly taking place after the addition of way in lignin contaminated water. This indicates the occurrence of the fast coagulation process. It was also found that chitosan, an ionic coagulant in acetic solution, was the best coagulating agent at pH 5. Up to 90% of lignin and chemical oxygen demand (COD) as well as 80% of color were reduced when 0.50 g/L of chitosan was added in solutions containing lignin and settled them for 20 min. For polyacrylamide, a nonionic polymer, its coagulating efficiency of lignin was poor. the reduction of lignin, COD and color by PAM were less than 10% whereas the addition of alum in lignin solution samples reduced more than 70% of lignin and COD with color reduction up to 85%.
Related Articles
DOI: 10.12982/CMJS.2026.021.
Mai Syadiah Khidzir, Siti Musliha Mat Ghani, Abdul Rahman Abdul Rahim and Khairirahanna Johari*
Vol.53 No.1 (January 2026)Research Article View: 572 Download: 70
DOI: 10.12982/CMJS.2025.097.
Peeraphon Phromduang, Thirakanpada Srisombat, Wikoramet Teeka, Pattara Somnuake and Sirirat Wacharawichanant
Vol.52 No.6 (November 2025)Research Article View: 1,067 Download: 182
DOI: 10.12982/CMJS.2025.035.
Panita Kongsune, Kittisak Sangthongchin, Phasin Ampha, Manee Maneechote and Netnapa Chana
Vol.52 No.4 (July 2025)Research Article View: 2,169 Download: 588
DOI: 10.12982/CMJS.2025.008.
Melody Kimi and Chee Jiun Chong
Vol.52 No.1 (January 2025)Research Article View: 1,472 Download: 1,730
page: 952 - 968
Pronpatsorn Moonsungnoen, Duangjai Ochaikul and Pathavuth Monvisade
Vol.48 No.4 (July 2021)Research Article View: 2,251 Download: 709
page: 1068 - 1078
Xue-Fei Zhou and Shuang-Xi Nie
Vol.48 No.4 (July 2021)Research Article View: 1,132 Download: 87
page: 1057 - 1067
Chandrasekaran Ramprasad and Busetty Subramanayam
Vol.48 No.4 (July 2021)Research Article View: 1,188 Download: 514
page: -
Editorial Board
Vol.48 No.3 (Special Issue I : May 2021)Content View: 1,257 Download: 594
page: 176 - 184
Xue-Fei Zhou*
Vol.48 No.1 (January 2021)Research Article View: 1,234 Download: 555
page: 1230 - 1240
Xue-Fei Zhou
Vol.47 No.6 (November 2020)Research Article View: 1,052 Download: 282
page: 2374 - 2380
Lerdluck Kaewvimol
Vol.45 No.6 (September 2018)Research Article View: 1,215 Download: 387
page: 1611 - 1623
Safiah Saah, Kwunchit Oungbho* and Soottawat Benjakul
Vol.44 No.4 (October 2017)Research Article View: 1,250 Download: 408
page: 1525 - 1533
Paramalinggam Thanalechumi, Abdull Rahim Mohd Yusoff*, Mohanadoss Ponraj and Hanim Awab
Vol.44 No.4 (October 2017)Research Article View: 1,038 Download: 324
page: 1149 - 1158
Supreedee Sungkharak [a, b], Nicha Supasit [b], Sasiluk Choopan [b] and Suwipa Ungphaiboon*[a, b]
Vol.43 No.5 (OCTOBER 2016)Research Article View: 1,373 Download: 796
page: 1070 - 1076
Jiraporn Palee [a], Srisulak Dheeranupattana* [b], Sunanta Wangkarn [c], Stephen G. Pyne [d] and Alison T. Ung [e]
Vol.43 No.5 (OCTOBER 2016)Research Article View: 1,198 Download: 349
page: 946 - 958
Thida Kaewkod [a], Khajornsak Tragoolpua [b] and Yingmanee Tragoolpua* [a]
Vol.43 No.5 (OCTOBER 2016)Research Article View: 1,185 Download: 412
page: 918 - 929
Tanyarat Poothawan and Khomsorn Lomthaisong
Vol.42 No.4 (OCTOBER 2015)Research Article View: 1,195 Download: 420
page: 393 - 400
Thammasit Vongsetskul, Kewalin Phaenthong, Ratana Chanthateyanonth, Panya Sunintaboon and Pramuan T
Vol.42 No.2 (APRIL 2015)Research Article View: 11,548 Download: 499
page: 44 - 51
Surawut Sangmanee, Santhana Nakapong, Kamontip Kuttiyawong and Rath Pichyangkura
Vol.42 No.1 (JANUARY 2015)Research Article View: 1,149 Download: 329
page: 1352 - 1360
Kamonchanok Thananukul[a], Juraiporn Porkaew [b], Patchara Punyamoonwongsa [a], Robert Molloy*[b,c]
Vol.41 No.5/2 (OCTOBER 2014)Research Article View: 1,122 Download: 322
page: 133 - 137
Pornchai Rachtanapun and Panchat Wongchaiya
Vol.39 No.1 (JANUARY 2012)Short Communication View: 1,181 Download: 204
page: 95 - 104
Piyaporn Kampeerapappun, Trongsu Phattararittigul, Sutida Jittrong and Dararat Kullachod
Vol.38 No.1 (JANUARY 2011)Research Article View: 1,311 Download: 297
page: 235 - 247
Suphat Kamthai
Vol.34 No.2 (MAY 2007)Research Article View: 1,729 Download: 1,560
page: 95 - 102
Boonyarit Nuntakumjorn, Wuthichok Khumsalud, Naret Vetsavas, Thoranin Sujjaviriyasup and Chantarapor
Vol.35 No.1 (JANUARY 2008)Research Article View: 1,177 Download: 372
page: 11 - 16
Nongkhran Chaiwong and Apinon Nuntiya
Vol.35 No.1 (JANUARY 2008)Research Article View: 1,059 Download: 281
page: 501 - 505
Phuriwat L eesawat *[a], K arn V earnsilp[a], Nijaporn Y anasarn [a] and Peeracha Thanawatta
Vol.32 No.3 (SEPTEMBER 2005)Research Article View: 1,124 Download: 367