解决乳制品行业的废水问题:一个专注的案例研究
Biljana R Cvetković1, Nurgin Memišin2, Zvonko Nježić1
1Institute of Food Technology in Novi Sad, University of Novi Sad, Novi Sad, Serbia.
The Journal of dairy research
|September 3, 2025
概括
乳制品废水的组成因运营而异,这给处理带来了挑战. 适应性策略如pH控制和营养物质去除对于有效管理和环境保护至关重要.
科学领域:
- 环境科学
- 水处理工程
- 工业微生物学
背景情况:
- 乳制品行业的废水具有很高的成分变化.
- 目前的治疗方法往往难以有效地控制这些波动.
- 了解废水的特性是制定可持续管理战略的关键.
研究的目的:
- 根据产品类型和操作程序调查乳制品废水特性的变化.
- 评估现有的乳制品废水处理方法的局限性.
- 确定影响废水组成的关键因素,并提出适应性处理解决方案.
主要方法:
- 在三年内收集和分析塞尔维亚乳制品厂的原始和现场清洁废水.
- 进行了全面的物理化学和微生物分析 (pH,蛋白质,脂肪,碳水化合物,COD,TSS,N,P,大肠杆菌等). ) 的情况.
- 使用主要成分分析 (PCA) 来确定废水变化和季节性模式的关键驱动因素.
主要成果:
- 废水容量在0.2-10L/L牛奶之间,蛋白质,脂肪,碳水化合物和总固体的含量有显著差异.
- 由于发酵和清洁剂,pH值波动很大 (4.41-12.76).
- 观察到高化学氧需求 (COD) 和可变的微生物负载 (大肠杆菌高达10^3 cfu/ml).
- 和含量有时超过环境限制.
- 确定了TSS,微生物负载,COD和氧含量的季节性变化.
结论:
- 乳制品废水是高度复杂和可变的,需要适应性处理方法.
- 有效的管理需要策略,如pH控制和营养物质的去除.
- 结合生物和先进的处理技术可以提高效率,促进水的再利用,并尽量减少对环境的影响.
更多相关视频
11:47Evaluation of the Efficacy of Organic Peroxyacids for Eradicating Dairy Biofilms Using an Approach Combining Static and Dynamic Methods
Published on: December 9, 2022
1.8K
10:53Concentration of Virus Particles from Environmental Water and Wastewater Samples Using Skimmed Milk Flocculation and Ultrafiltration
Published on: March 17, 2023
1.7K
相关概念视频
01:29Microbes in Food Production
403
Microbial fermentation is central to food biotechnology, enhancing flavor, texture, preservation, and stability. Fermentative microorganisms metabolize carbohydrates into organic acids, alcohols, and other metabolites that inhibit spoilage organisms and improve digestibility while contributing distinctive sensory qualities.In baking, amylases naturally present in flour hydrolyze starch into monosaccharides such as glucose, which Saccharomyces cerevisiae ferments anaerobically. Through...
403
01:25Microbes in Beverage Production
298
Alcoholic beverages such as wine, beer, and spirits are the products of microbial fermentation processes that transform simple sugars into ethanol and a wide array of complex flavor compounds. These transformations rely on the metabolic activities of specific yeasts and bacteria, which are selected and controlled to yield the desired beverage characteristics.Wine Fermentation and MaturationWine production begins with the crushing of grapes to release juice and pulp, forming a must that is...
298
01:29Bioreactor Design and Operational System
200
Bioreactors are engineered vessels designed to cultivate microorganisms under controlled conditions for industrial bioprocessing. They maintain sterility and allow precise regulation of pH, temperature, oxygen, and nutrient levels to optimize microbial growth and metabolite production. Bioreactors range from small laboratory units of 1 liter to industrial systems holding up to 500,000 liters, though only about 75% of their volume is actively used for fermentation. The remaining headspace...
200
01:14Scale-Up Processes
105
The scale-up of microbial fermentation processes is essential in industrial biotechnology, allowing the transition from laboratory-scale experiments to commercial-scale production while aiming to maintain product yield and quality. This process requires meticulous adjustment of equipment design, process parameters, and contamination control strategies to accommodate increasing culture volumes.At the laboratory scale, cultures are typically maintained in 1 to 10-liter glass or autoclavable...
105
01:25Production of Organic Acids
105
Lactic acid, an important organic acid extensively applied in food, pharmaceutical, and biodegradable polymer industries, is primarily produced via microbial fermentation. This method is favored over chemical synthesis due to its environmental sustainability and capacity for enantiomerically pure product formation. Among various microbial processes, the fermentation of starch-based substrates stands out due to the abundance and renewability of raw materials like corn and potatoes.Hydrolysis of...
105
01:25Biofuels
107
The microbial conversion of organic matter into biofuels holds potential as a renewable energy source. Among biofuel sources, microalgae are recognized as a highly efficient and adaptable feedstock for biodiesel production, owing to their rapid biomass accumulation, elevated lipid productivity, and capacity to proliferate in diverse aquatic systems, including freshwater, marine, and wastewater habitats. Unlike terrestrial crops, microalgae do not compete for land and can achieve significantly...
107