Treatment of Industrial Boiler Effluent by Residual Materials for Reuse and Discharge

  • Wassika Jeamjanya นักศึกษา หลักสูตรวิทยาศาสตรมหาบัณฑิต สาขาวิทยาศาสตร์สิ่งแวดล้อม คณะสิ่งแวดล้อม มหาวิทยาลัยเกษตรศาสตร์
  • Kanita Tungkananuruk รองศาสตราจารย์ ภาควิชาวิทยาศาสตร์สิ่งแวดล้อม คณะสิ่งแวดล้อม มหาวิทยาลัยเกษตรศาสตร์
  • Dr.Watcharapong Wararam อาจารย์ ภาควิชาวิทยาศาสตร์สิ่งแวดล้อม คณะสิ่งแวดล้อม มหาวิทยาลัยเกษตรศาสตร์
Keywords: Residual, Materials, Effluent industrial boiler


This research was to study possibilities of using waste materials such as lignite fly ash (LFA), waterwork sediment (WWS), golden apple shell extract (GASE), coconut shell charcoal (CSC), Bentonite (B), and golden apple shell (GAS) for ammonia, nitrate and phosphate removal. From a batch experiment results 59.0% ammonia, 51.9 % nitrate and 100% phosphate removal were obtained from WWS, GASE and LFA respectively. After experiment was done by add residual materials 3 types by using jar test. The results revealed that the good removal efficiency for 1 L of water samples was 1st add LFA, 2nd add GASE and 3rd add WWS. The removal efficiency in effluent of 2 seasons were 73.2% (S) and 89.83 % (R) of ammonia, 72.51% (S) and 82.80% (R) of  nitrate, 100% (S) and 100% (R) of phosphate. Moreover, pH was decreased from 9.4 to 7.0 and from 10.1 to 7.2 respectively and chlorophyll-A was decreased from 28.05 to 0.23 and from 79.7 to 0.37 µg./L. respectively. This treated water could be used for agriculture but if industries want to discharge, they must have replicated treat with WWS.


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