Life cycle assessment of ferro niobium

Life cycle assessment of ferro niobium
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铌铁的生命周期评估

DOI:
10.1007/s11367-019-01714-7
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发表时间:
2019
期刊:
The International Journal of Life Cycle Assessment
影响因子:
--
通讯作者:
Matthias Finkbeiner
Matthias Finkbeiner
中科院分区:
--
文献类型:
--
作者:
Iulia Dolganova;Fabian Bosch;Vanessa Bach;Martin Baitz;Matthias Finkbeiner

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铌铁合金(Ferro nobium,FeNb)是一种金属合金,其工业应用在过去几十年中稳步增长。这项工作的目的是系统化的FeNb生产的可用信息,提供其库存数据,并生成其第一个技术上具有代表性的公开可用的生命周期影响评估(LCIA)。MethodsThe生产的1公斤的FeNb烧绿石在基准年2017年建模后摇篮到门的方法。在可能的情况下,从巴西领先的铁铌供应商CBMM(占世界市场的80%)收集有关质量、能量和水流的主要信息。CML方法采用CML-IA 4.7方法进行了包括全球升温潜能值(GWP)、酸化潜能值(AP)、富营养化潜能值(EP)、臭氧层消耗潜能值(ODP)、非生物消耗潜能值(AP)在内的环境影响评价(化石和元素)(ADP化石和ADP元素)和光化学臭氧生成潜势(POCP)。结果和讨论在所分析的所有慢性粒细胞白血病影响类别中,最后一个阶段(烧绿石提取、机械加工和浮选)和最后一个阶段(铝热反应)的影响最大。原铝消费量在七个影响类别中的五个类别中占最重要的贡献(ADPfossil的50%,AP的55%,EP的35%,GWP的57%和POCP的40%)。从这个意义上说,该行业应促进再生铝在生产过程中的更高份额。此外,电力消耗和加工化学品的影响表明是relevant.ConclusionsThis工作是第一个LCIA铁铌发表具有代表性的,高质量的数据。为了使铌铁能够纳入未来的LCIA建模,制作了一个数据集。
PurposeFerro niobium (FeNb) is a metallic alloy whose industrial use has been increasing steadily in the last decades. This work aims to systematize the available information on FeNb production, provide its inventory data and generate its first technologically representative publicly available life cycle impact assessment (LCIA).MethodsThe production of 1 kg of FeNb from pyrochlore in the baseline year 2017 was modelled following a cradle-to-gate approach. Primary information on mass, energy and water flows was collected when possible from the Brazilian leading FeNb supplier, CBMM (80% of the world market). The CML method (CML-IA 4.7) was applied for the impact assessment including global warming potential (GWP), acidification potential (AP), eutrophication potential (EP), ozone layer depletion potential (ODP), abiotic depletion potential (fossil and elemental) (ADPfossiland ADPelemental) and photochemical ozone creation potential (POCP).Results and discussionThe first stage of pyrochlore processing (pyrochlore ore extraction, mechanical processing and flotation) and the last stage (aluminothermic reaction) bear the highest impact in all analyzed CML impact categories. The primary aluminium consumption has the most important contribution in five out of seven impact categories (50% in ADPfossil, 55% in AP, 35% in EP, 57% in GWP and 40% in POCP). In this sense, the industry should promote a higher share of secondary aluminium in the production process. Also, the impact from electricity consumption and processing chemicals showed to be relevant.ConclusionsThis work is the first LCIA on ferro niobium to be published with representative, high-quality data. A dataset was produced in order to enable ferro niobium to be incorporated to future LCIA-modelling.
铌的生命周期评估:巴西采矿和生产案例研究
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期刊: The International Journal of Life Cycle Assessment
影响因子: --
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发表时间: 2014-03-01
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影响因子: 4.8
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