食品工业生产废弃物协同低有机质剩余污泥共发酵产酸性能研究

金宝丹; 王家城; 杜静雨; 邓伟玲; 古家宇; 王保贵; 贾宇升

doi:10.12187/2025.04.013

食品工业生产废弃物协同低有机质剩余污泥共发酵产酸性能研究

1. 郑州轻工业大学材料与化学工程学院, 河南郑州 450001;
2. 中原环保股份有限公司, 河南郑州 450008

作者简介: 金宝丹(1985—),女,吉林省长春市人,郑州轻工业大学副教授,博士,主要研究方向为污泥处理与处置。E-mail:2016024@zzuli.edu.cn;

基金项目: 国家自然科学基金项目(42007340)
河南省科技攻关项目(232102321058)
中图分类号: TS201.1;X703

The acid production performance of co-fermentation between food industry waste and low organic matter residual sludge

1. College of Materials and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China;
2. Central Plains Environmental Protection Co., Ltd., Zhengzhou 450008, China
Received Date: 2024-04-17
Accepted Date: 2024-07-20

CLC number: TS201.1;X703

摘要: 为同时解决食品工业生产废弃物与低有机质剩余污泥的处理处置问题,将这2种废弃物进行共发酵处理,考查不同质量比(0∶1.0、0.5∶1.0、1.0∶1.0和1.5∶1.0)下二者共发酵系统(H0、H1、H2和H3共发酵系统)的性能。结果表明:食品工业生产废弃物的引入会显著降低共发酵系统的水解性能,同时明显提高共发酵系统的酸化性能,在H3共发酵系统中,化学需氧量(COD)和可挥发性短链脂肪酸(SCFAs)的质量浓度均最高,分别是H0共发酵系统的2.83倍和2.30倍。随着食品工业生产废弃物投加量的增加,NH⁺₄—N的质量浓度显著降低,H3共发酵系统仅为H0共发酵系统的31.9%,而PO^3-₄—P的质量浓度因Ca₃(PO₄)₂和CaNH₄PO₄沉淀的生成保持在较低水平(≤1.01 mg/L)。此外,生物酶活性也发生了显著变化,蛋白酶、酸性磷酸酶和丁酸激酶活性均降低,而α-葡萄糖苷酶和碱性磷酸酶活性均升高,脱氢酶活性受食品工业生产废弃物投加量的影响较小,乙酸激酶活性则呈先升高后降低的趋势。适量引入食品工业生产废弃物还能促进功能微生物Firmicutes(产乙酸菌优势门)、Proteobacteria、Actinobacteriota和Bacteroidota的富集,在H2共发酵系统中,Firmicutes的相对丰度最高,达63.1%。因此,适量引入食品工业生产废弃物能够实现低有机质剩余污泥发酵系统高效产酸的目的。
- 食品工业生产废弃物 /
- 低有机质剩余污泥 /
- 共发酵 /
- 生物酶 /
- 功能微生物
Abstract: To simultaneously address the treatment and disposal issues of food industry production waste and low organic matter residual sludge, these two wastes were co-fermented. The performance of H0,H1, H2 and H3 co-fermentation systems under mass ratios of 0∶1.0, 0.5∶1.0, 1.0∶1.0 and 1.5∶1.0 was evaluated. Results indicated that food industry production waste introduction significantly reduced hydrolysis performance but enhanced acidification performance of the co-fermentation systems. In the H3 system, COD and volatile SCFAs concentrations reached their maximum, being 2.83-fold and 2.30-fold higher than those in H0, respectively. As food industry production waste dosage increased, NH⁺₄—N concentration decreased markedly (31.9% of H0 in H3), while PO^3-₄—P remained low (≤1.01 mg/L) due to Ca₃(PO₄)₂ and CaNH₄PO₄ precipitates. Enzyme activities varied: protease, acid phosphatase, and butyrate kinase decreased; α-glucosidase and alkaline phosphatase increased; dehydrogenase was less affected; acetate kinase initially rose then declined. Appropriate food industry production waste introduction also enriched functional microorganisms, including Firmicutes (dominant acetic acid-producing phylum, 63.1% in H2), Proteobacteria, Actinobacteriota, and Bacteroidota. Thus, food industry production waste addition enables efficient acid production in low organic matter residual sludge co-fermentation systems.
- food industry production waste /
- low organic matter residual sludge /
- co-fermentation /
- biological enzymes /
- functional microorganisms
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沈阳化工大学材料科学与工程学院沈阳 110142

食品工业生产废弃物协同低有机质剩余污泥共发酵产酸性能研究

作者简介: 金宝丹(1985—),女,吉林省长春市人,郑州轻工业大学副教授,博士,主要研究方向为污泥处理与处置。E-mail:2016024@zzuli.edu.cn;

The acid production performance of co-fermentation between food industry waste and low organic matter residual sludge

计量

通讯作者: 陈斌, bchen63@163.com

食品工业生产废弃物协同低有机质剩余污泥共发酵产酸性能研究

作者简介:金宝丹(1985—),女,吉林省长春市人,郑州轻工业大学副教授,博士,主要研究方向为污泥处理与处置。E-mail:2016024@zzuli.edu.cn

English Abstract

The acid production performance of co-fermentation between food industry waste and low organic matter residual sludge

目录

食品工业生产废弃物协同低有机质剩余污泥共发酵产酸性能研究

作者简介: 金宝丹(1985—),女,吉林省长春市人,郑州轻工业大学副教授,博士,主要研究方向为污泥处理与处置。E-mail:2016024@zzuli.edu.cn;

The acid production performance of co-fermentation between food industry waste and low organic matter residual sludge

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通讯作者: 陈斌, bchen63@163.com

食品工业生产废弃物协同低有机质剩余污泥共发酵产酸性能研究

作者简介:金宝丹(1985—),女,吉林省长春市人,郑州轻工业大学副教授,博士,主要研究方向为污泥处理与处置。E-mail:2016024@zzuli.edu.cn

English Abstract

The acid production performance of co-fermentation between food industry waste and low organic matter residual sludge

目录