Life Cycle Analysis of Dye Degradation Using Advanced Oxidative Processes

Q3 Chemical Engineering

Chemical engineering transactions Pub Date : 2021-06-15 DOI:10.3303/CET2186099

Rogério Ferreira da Silva, J. Aragão, P. Matos, Victória Fernanda Alves Milanez, Jacqueline da Silva Macêdo, A. Duarte, Osmar Veras Araujo, Gilson Lima da Silva, A. Costa

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Abstract

Pollution caused by textile processes has led several countries to create stricter environmental legislation for the treatment of industrial effluents. Since, to meet legal requirements, the degradation of these chemical dyes must have a low environmental impact and high removal efficiency. This study performed the Life Cycle Analysis (LCA) of the degradation of dyes in 1 m³ of effluent, through advanced oxidative processes, using the Photo-Fenton process. For the Life Cycle Inventory (ICV), the compounds Hydrogen Peroxide (H2O2) and Iron (II) Sulphate (FeSO4) were considered. The methodology for calculating environmental impacts was ReCiPe 2016 Midpoint (I) V1.04 / World (2010) I and the impact categories of the studies were: Global Warming, Freshwater Eutrophication, Freshwater Ecotoxicity and Human Carcinogenic Toxicity. The sensitivity analysis occurred in comparison with the methodologies: IPCC 2013 GWP 20a V1.03 and CML-IA baseline V3.06 / World 2000. All simulations occurred in the SimaPro® software, Faculty version, and pointed to H2O2 as an important contributing agent, along with the secondary products formed by the degradation of the dyes by the Photo-Fenton process, for the environmental impacts of this treatment.Keywords: Life Cycle Analysis, Dye Degradation, Photo-Fenton Pr

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高级氧化工艺降解染料的生命周期分析

纺织过程造成的污染导致一些国家制定了更严格的环境立法来处理工业废水。因为，为了满足法律要求，这些化学染料的降解必须具有低环境影响和高去除效率。本研究对1 m³废水中染料的降解进行了生命周期分析(LCA)，通过先进的氧化过程，使用photofenton工艺。生命周期清单(ICV)考虑了过氧化氢(H2O2)和硫酸铁(FeSO4)化合物。环境影响的计算方法为ReCiPe 2016 Midpoint (I) V1.04 / World (2010) I，研究的影响类别为:全球变暖、淡水富营养化、淡水生态毒性和人类致癌毒性。与IPCC 2013 GWP 20a V1.03和CML-IA基线V3.06 / World 2000的方法进行了敏感性分析。所有模拟都是在SimaPro®软件中进行的，院系版本，并指出H2O2是一个重要的促成剂，以及photofenton工艺降解染料形成的二次产物，这是该处理对环境的影响。关键词:生命周期分析，染料降解，光- fenton Pr

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来源期刊

Chemical engineering transactions Chemical Engineering-Chemical Engineering (all)

CiteScore

1.40

自引率

0.00%

发文量

审稿时长

6 weeks

期刊介绍： Chemical Engineering Transactions (CET) aims to be a leading international journal for publication of original research and review articles in chemical, process, and environmental engineering. CET begin in 2002 as a vehicle for publication of high-quality papers in chemical engineering, connected with leading international conferences. In 2014, CET opened a new era as an internationally-recognised journal. Articles containing original research results, covering any aspect from molecular phenomena through to industrial case studies and design, with a strong influence of chemical engineering methodologies and ethos are particularly welcome. We encourage state-of-the-art contributions relating to the future of industrial processing, sustainable design, as well as transdisciplinary research that goes beyond the conventional bounds of chemical engineering. Short reviews on hot topics, emerging technologies, and other areas of high interest should highlight unsolved challenges and provide clear directions for future research. The journal publishes periodically with approximately 6 volumes per year. Core topic areas: -Batch processing- Biotechnology- Circular economy and integration- Environmental engineering- Fluid flow and fluid mechanics- Green materials and processing- Heat and mass transfer- Innovation engineering- Life cycle analysis and optimisation- Modelling and simulation- Operations and supply chain management- Particle technology- Process dynamics, flexibility, and control- Process integration and design- Process intensification and optimisation- Process safety- Product development- Reaction engineering- Renewable energy- Separation processes- Smart industry, city, and agriculture- Sustainability- Systems engineering- Thermodynamic- Waste minimisation, processing and management- Water and wastewater engineering