SUNXue-jin,LüYang,HEMing-shui,et al.Design of Ozone-Biological Activated Carbon Process for a Waterworks in Severe Cold Region[J].China Water & Wastewater,2025,41(16):72-77.
某严寒地区净水厂臭氧-生物活性炭工艺设计
- Title:
- Design of Ozone-Biological Activated Carbon Process for a Waterworks in Severe Cold Region
- 关键词:
- 净水厂; 低温水源; 臭氧-生物活性炭工艺; 生物增强活性炭
- Keywords:
- waterworks; low-temperature water source; ozone-biological activated carbon process; bio-enhanced activated carbon (BEAC)
- 摘要:
- 黑龙江省某净水厂原采用常规处理工艺，存在设备陈旧、冬季水温低影响处理能力等问题，出水水质难以满足《生活饮用水卫生标准》（GB 5749—2022）要求，故考虑净水厂原址重建。深度处理工艺采用以“哈尔滨不动细菌”（菌株HITLi 7T）为优势菌的功能菌群构建的生物增强活性炭（BEAC）工艺，提高活性炭滤池中生物活性，并采用新型高效煤质活性炭，另辅以紫外-氯耦合工艺，实现氨氮和有机物去除效果的提升。重建后出水氨氮及CODMn分别为0.07及1.32 mg/L，对比重建前，此两项指标的去除效率及稳定性均显著提高。该升级工艺确保出水水质达标，兼具水质保障与经济可行性，对同类型严寒地区净水厂工艺设计具有一定借鉴意义。
- Abstract:
- A waterworks in Heilongjiang Province originally utilized conventional treatment processes, which encountered issues such as outdated equipment, and reduced water temperature adversely affecting treatment efficiency during winter. As a result, the effluent quality failed to consistently meet the requirements specified in Standards for Drinking Water Quality (GB 5749-2022). Therefore, a proposal was made to reconstruct the facility on its existing site. The advanced treatment process employed a bio-enhanced activated carbon (BEAC) system, which was established using functional bacterial communities dominated by Acinetobacter harbinensis (strain HITLi 7T), to enhance biological activity within the activated carbon filter. Additionally, this process incorporated a new generation of high-efficiency coal-based activated carbon and was further supported by a UV-chlorine coupling technique to improve the removal efficiencies of ammonia nitrogen and organic substances. After the reconstruction, the ammonia nitrogen and CODMn in the effluent were reduced to 0.07 mg/L and 1.32 mg/L, respectively. Compared with the pre-reconstruction levels, both the removal efficiency and stability of these two parameters were significantly enhanced. The upgraded treatment process ensured that the effluent quality complied with the national standard, effectively integrating water quality assurance with economic viability. This approach holds practical reference value for the process design of similar waterworks operating in severely cold regions.
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