[1]李强,韩煜,穆海军,等.某大型再生水深度处理工程设计[J].中国给水排水,2024,40(18):59-63.
LIQiang,HANYu,MUHai-jun,et al.Design of a Large-scale Advanced Treatment Project for Reclaimed Water[J].China Water & Wastewater,2024,40(18):59-63.
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LIQiang,HANYu,MUHai-jun,et al.Design of a Large-scale Advanced Treatment Project for Reclaimed Water[J].China Water & Wastewater,2024,40(18):59-63.
某大型再生水深度处理工程设计
中国给水排水[ISSN:1000-4062/CN:12-1073/TU]
卷:
第40卷
期数:
2024年第18期
页码:
59-63
栏目:
出版日期:
2024-09-17
- Title:
- Design of a Large-scale Advanced Treatment Project for Reclaimed Water
- Keywords:
- reclaimed water advanced treatment; double membrane process; salt separation by nanofiltration; DTRO; freezing crystallization; lime softening
- 摘要:
- 随着经济的快速发展,通辽市地下水超采严重,亟需利用再生水置换工业地下水源,以缓解水资源短缺及地下水超采带来的问题。某再生水深度处理工程设计规模10×104 m3/d,采用分质供水方案,分两期实施。一期为煤化工企业提供生产用水,采用双膜法+特种膜浓缩(DTRO、高压RO)工艺,在保证出水水质达标的同时将系统产水率提高至95%以上;同时利用纳滤分盐+MVR+冷冻结晶技术将固废资源化、减量化,得到高品质工业级氯化钠和硫酸钠,杂盐产生量减少95%。二期为发电总厂提供循环冷却水补水,采用石灰澄清过滤+高级氧化应急处理工艺,在确保水质达标的基础上降低处理成本,提高用户使用再生水的积极性。
- Abstract:
- With the rapid development of economy, the groundwater in Tongliao has been seriously over-exploited, and there is an urgent need to use reclaimed water to replace industrial groundwater sources to alleviate the problems caused by water shortage and groundwater over-exploitation. The design scale of the reclaimed water advanced treatment project is 10×104 m3/d. It adopts a quality-separated water supply plan and will be implemented in two phases. The first phase provides production water to coal chemical companies, using a double-membrane method + special membrane concentration process(DTRO, high-pressure RO)to ensure that the effluent quality reaches the standard while increasing the system water production rate to more than 95%. Using nanofiltration salt separation, MVR and freeze crystallization technology, the solid waste can be reduced and recycled, and high-quality industrial-grade sodium chloride and sodium sulfate can be produced, and the yield of miscellaneous salt can be reduced by 95%. In the second phase, circulating cooling water is provided for the power plant, and lime clarification and filtration + advanced oxidation emergency treatment process are adopted to reduce treatment costs while ensuring water quality standards, and increase users’ enthusiasm for reclaimed water.
更新日期/Last Update:
2024-09-17