Anaerobic biodegradation of vinylon slurry wastewater

doi:10.19965/j.cnki.iwt.2024-0280

Industrial Water Treatment ›› 2025, Vol. 45 ›› Issue (4): 48-52. doi: 10.19965/j.cnki.iwt.2024-0280

• RESEARCH AND EXPERIMENT • Previous Articles Next Articles

Anaerobic biodegradation of vinylon slurry wastewater

Zikang YANG¹(), Maochun GONG², Hongkai JIANG², Lan ZENG², Feng QIU², Xiaobing CHEN², Huifeng LU³, Luotong REN¹, Yuqi WANG¹, Yecheng PAN¹, Xiaoguang CHEN¹()

^1. School of Environmental Science and Engineering, Donghua University, Shanghai 201620, China
^2. Hunan Huasheng Textile Technology Co. , Ltd. , Changsha 430221, China
^3. Zhejiang Walle Technology Co. , Ltd. , Hangzhou 311121, China

Received:2024-07-08 Online:2025-04-20 Published:2025-04-27
Contact: Xiaoguang CHEN

聚乙烯醇缩醛纤维浆料废水厌氧生物降解研究

杨子康¹(), 龚茂春², 蒋宏凯², 曾兰², 邱峰², 陈晓兵², 陆慧锋³, 任泺彤¹, 王瑜琪¹, 潘业成¹, 陈小光¹()

^1. 东华大学环境科学与工程学院，上海 201620
^2. 湖南华升纺织科技有限公司，湖南长沙 430221
^3. 浙江沃乐科技有限公司，浙江杭州 311121

通讯作者: 陈小光
作者简介:
杨子康（1999— ），硕士研究生，E-mail：1668385868@qq.com。
基金资助:
国家自然科学基金项目(52370067)

Abstract

Abstract:

The treatment effect of anaerobic biological method on the wastewater containing high concentration of polyvinyl acetal fiber(vinylon) was studied by using the spiral symmetry stream anaerobic bioreactor(SSSAB), and the types of organic matter in the wastewater were determined. The test results showed that when the influent COD was about 30 000 mg/L, the influent ammonia nitrogen was 11.0 mg/L the hydraulic retention time was 2.0-7.0 d, and temperature was 10-20 ℃, the COD removal rate was maintained at 18.0%-40.5%, the effluent pH was 7.5-9.5, and the effluent ammonia nitrogen was 19.3 mg/L. By GC-MS analysis, the study also found that a large number of long carbon chain organics(2-octanol, 2-octanol) were completely degraded by SSSAB in the influent, but not detected in the effluent, which indicated that SSSAB had a good organic degradation effect. During SSSAB operation, sludge washing out and disintegration were not observed, and it could run stably for a long period of time.

Key words: vinylon wastewater, anaerobic biological treatment, spiral symmetry stream anaerobic bioreactor, vinylon

摘要：

以螺旋对称流厌氧反应器（SSSAB）为载体，研究了厌氧生物法对聚乙烯醇缩醛纤维（维纶）浆料废水（退维废水）的处理效果，分析了退维废水中有机物的种类，试验结果表明：在进水COD为30 000 mg/L，进水氨氮为11.0 mg/L，水力停留时间为2.0~7.0 d，温度为10~20 ℃的条件下，COD去除率维持在18.0%~40.5%，出水pH为7.5~9.5，出水氨氮为19.3 mg/L。通过GC-MS分析发现，进水中大量长碳链有机物（如2-辛醇、2-辛酮等）在出水中未检出，这表明SSSAB具有较好的有机物降解效果；SSSAB运行期间未见污泥洗出与解体现象，能长期稳定运行。

关键词: 退维废水, 厌氧生物处理, 螺旋对称流厌氧反应器, 维纶

CLC Number:

X703.1

Zikang YANG, Maochun GONG, Hongkai JIANG, Lan ZENG, Feng QIU, Xiaobing CHEN, Huifeng LU, Luotong REN, Yuqi WANG, Yecheng PAN, Xiaoguang CHEN. Anaerobic biodegradation of vinylon slurry wastewater[J]. Industrial Water Treatment, 2025, 45(4): 48-52.

杨子康, 龚茂春, 蒋宏凯, 曾兰, 邱峰, 陈晓兵, 陆慧锋, 任泺彤, 王瑜琪, 潘业成, 陈小光. 聚乙烯醇缩醛纤维浆料废水厌氧生物降解研究[J]. 工业水处理, 2025, 45(4): 48-52.

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Figures/Tables 3

References 14

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