Potential organic matter management for industrial wastewater guidelines using advanced dissolved organic matter characterization tools

Sang Yeob Kim, Ji Won Park, Jin Hyung Noh, Young Ho Bae, Sung Kyu Maeng*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Since 2021, national standards of South Korea for industrial wastewater discharge to surface water have changed from chemical oxygen demand to total organic carbon for the organic matter. Conventional organic matter parameters (e.g., biochemical oxygen demand, chemical oxygen demand and total organic carbon) are limited means of understanding the behavior of dissolved organic matter in industrial wastewater treatment processes. Thus, the current study used advanced dissolved organic matter characterization tools (e.g., fluorescence excitation emission matrix and size exclusion chromatography-organic carbon detection) to scrutinize industrial wastewater characteristics from three full-scale industrial wastewater treatment plants (IWTPs). The tools were conducive to tracking industrial wastewater sources of total organic carbon, influencing the overall performance of IWTPs, and proposing alternative processes to lower total organic carbon concentration in the effluent. The results of this study suggest that the diagnosis of IWTPs based on dissolved organic matter characteristics could be a useful tool for providing more insight into total organic carbon management.

Original languageEnglish
Article number102604
Number of pages9
JournalJournal of Water Process Engineering
Volume46
DOIs
Publication statusPublished - 2022

Keywords

  • Chemical oxygen demand
  • Discharge standards
  • Industrial wastewater
  • Total organic carbon

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