LIUDe-hua,HAILi-peng,LIYan-cheng,et al.Application of Carbon Sources from Bottom Liquid of White Wine Cellars in Urban Wastewater Treatment Plants[J].China Water & Wastewater,2025,41(23):28-33.
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Application of Carbon Sources from Bottom Liquid of White Wine Cellars in Urban Wastewater Treatment Plants

China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU] volume: 第41卷 Number: 第23期 Page: 28-33 Column: Date of publication: 2025-12-01
Author(s):
LIU　De-hua1;  HAI　Li-peng2;  LI　Yan-cheng1; 3;  ZHANG　Mei-qi1;  LIU　Qian1;  LI　Jiang1; 3
（1. Key Laboratory of Karst Geological Resources and Environment ， College of Resources and Environmental Engineering， Guizhou University， Guiyang 550025， China； 2. Daozhen Autonomous County Haoze Industry Investment Group Co. Ltd.， Zunyi 563500， China； 3. Guizhou Karst Environmental Ecosystems Observation and Research Station ， Guiyang 550025， China）
Keywords:
bottom liquid from white wine cellar;  carbon source;  wastewater treatment plant;  microbial community structure
Abstract:
In China’s wastewater treatment plants, a prevalent issue is the low concentration of organic matters in the influent, coupled with an inadequate carbon-to-nitrogen ratio. A pilot study was conducted at a wastewater treatment plant in Guizhou Province, utilizing the bottom liquid from a white wine cellar as an external carbon source. The variations in influent and effluent quality were systematically analyzed, and changes in pollutants composition were characterized using Fourier transform infrared spectroscopy (FTIR). Additionally, metagenomic sequencing was employed to investigate the impact of the bottom liquid on the microbial community structure within the treatment system. After the addition of the carbon source from the bottom liquid of the white wine cellar, the average removal efficiencies of COD and ammonia nitrogen reached 94.20% and 99.60%, respectively, with the average effluent TN and TP being 5.67 mg/L and 0.08 mg/L, respectively. The effluent quality consistently met the first level A criteria specified in Discharge Standard of Pollutants for Municipal Wastewater Treatment Plant (GB 18918-2002). The FTIR analysis results indicated an increase in the relative proportions of alcohols, sulfates, and phosphates in the effluent. Metagenomic analysis revealed that the addition of carbon source led to an increase in the relative abundance of bacteria such as Anaerolineales_bacterium, Saprospiraceae_bacterium, and Anaerolineae_bacterium, while exerting a relatively minor influence on the microbial community structure in the activated sludge of the wastewater treatment plant.
Last Update: 2025-12-01