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2018 Vol.50, Issue 6 Preview Page
Coagulation Treatment of Wastewater Using Torrefied Wood Powder
Jeong Bin Nam
,
Seung Min Yang1
,
Geun Hye Oh1
,
Seog-Goo Kang1†
Institute of Agricultural Science, Chungnam National University
1Department of Biobased Materials, College of Agriculture and Life Science, Chungnam National University, Daejeon
†Corresponding author: E-Mail: lachesis@cnu.ac.kr
30 December 2018. pp. 115-121
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Abstract

Water quality pollution is becoming a serious social problem due to the improvement of living standards due to economic and population growth in cities. Many researches have been carried out for the efficient treatment of municipal sewage and new research is underway. In particular, as the demand for products used in physico-chemical treatment increases, the research for the development of a more safe and efficient water treatment agent is needed. This study investigated the coagulation characteristics of superfine steamed torrefied wood powder for application to domestic sewage and investigated the possibility of its use as a better coagulant or flocculant than the existing ones. Since torrefied wood flour is an eco-friendly material that is harmless to the environment, it can be used more safely than the conventional flocculants and will help improve treatment efficiency in the water treatment process as a flocculant or a coagulant. The aim of this study was to investigate nutrient reduction using torrefied wood powder (TWP) as a flocculant for wastewater treatment. The TWP flocculant were successfully removed over 96% of the turbidity. COD in the wastewater at the following optimal TWP dosage: 10% for COD and TP. Therefore, TWP can be a promising flocculants due to its high efficiency and low dose requirements. In addition, TWPs including C-PAM do not contaminate treated wastewater, which can be recycled to reduce not only the cost and the demand for treated water, but also the extra operational costs for fresh reusing wastewater.

Keywords
Torrefaction
torrefied wood powder
wastewater
COD
TP
TN
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Information
  • Publisher :Korea Technical Association of The Pulp and Paper Industry
  • Publisher(Ko) :한국펄프종이공학회
  • Journal Title :Journal of Korea TAPPI
  • Journal Title(Ko) :펄프종이기술
  • Volume : 50
  • No :6
  • Pages :115-121
  • Received Date : 2018-11-16
  • Revised Date : 2018-12-20
  • Accepted Date : 2018-12-24
  • DOI :https://doi.org/10.7584/JKTAPPI.2018.12.50.6.115
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