Regeneration of waste hydraulic oils as a recycling method in relation to the environment

IF 1.5 4区环境科学与生态学 Q2 Environmental Science Archives of Environmental Protection Pub Date : 2023-12-21 DOI:10.24425/aep.2023.148680

H. Hybská, Eszter Turčániová, Martin Krempa, P. Timár, Ladislav Štibrányi, Tamás Rétfalvi, Martina Mordáčová

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Abstract

: The article deals with the possibilities of regenerating operating fluids, assessing the composition of new, used, and regenerated oils by evaluating their toxicity and proposing the environmentally friendly regeneration method. The focus lies on two methods of regeneration of waste operating fluids: distillation and electrostatic cleaning. Oil samples, regenerated through these methods, were analyzed using gas chromatography with mass detection. The variance in composition among new, used, and regenerated oils depends on the method of regeneration. Properties of hydrocarbons exhibiting ecotoxic, mutagenic, teratogenic, carcinogenic, and other effects were identified using safety data sheets and databases like Pubchem, ChemicalBook. Analyzing HLP 46 oil (samples of new, unused, used and regenerated oil) revealed that the most toxic hydrocarbons (acetane, heptacosane, nonacosane) were absent after regeneration through electrostatic cleaning. Comparing the composition of operating fluids before and after regeneration, it was established that the most environmentally favorable regeneration method is electrostatic cleaning, which maintains the original properties of the operating fluids intended for use. Operating fluids regenerated

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废液压油的再生作为一种与环境有关的回收方法

:文章论述了再生工作油液的可能性，通过评估新油、旧油和再生油的毒性来评估其成分，并提出了环保再生方法。文章重点介绍了两种废液再生方法：蒸馏法和静电清洗法。通过这些方法再生的油样采用气相色谱法和质量检测法进行分析。新油、旧油和再生油的成分差异取决于再生方法。使用安全数据表和 Pubchem、ChemicalBook 等数据库确定了具有生态毒性、诱变性、致畸性、致癌性和其他影响的碳氢化合物的特性。对 HLP 46 油（新油、未使用油、使用过油和再生油的样本）进行分析后发现，通过静电清洗再生后不存在毒性最强的碳氢化合物（乙烷、七烷、壬烷）。通过比较再生前后工作油液的成分，可以确定最环保的再生方法是静电清洗，它能保持工作油液的原有特性。再生后的工作液

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来源期刊

Archives of Environmental Protection 环境科学-环境科学

CiteScore

2.90

自引率

26.70%

发文量

审稿时长

9 months

期刊介绍： Archives of Environmental Protection is the oldest Polish scientific journal of international scope that publishes articles on engineering and environmental protection. The quarterly has been published by the Institute of Environmental Engineering, Polish Academy of Sciences since 1975. The journal has served as a forum for the exchange of views and ideas among scientists. It has become part of scientific life in Poland and abroad. The quarterly publishes the results of research and scientific inquiries by best specialists hereby becoming an important pillar of science. The journal facilitates better understanding of environmental risks to humans and ecosystems and it also shows the methods for their analysis as well as trends in the search of effective solutions to minimize these risks.