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The use phase in the aluminium mass flow An approach for integration

机译：铝质流的使用阶段集成方法

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In mass flow analyses the use phase is often not adequately integrated. Above all user-related effects, life-time of products or product-systems are frequently unconsidered. Looking at the entire process chain the total demand for aluminum is important. But balancing the environmental impacts of the use phase of aluminum-bearing products such as cars, trains, window frames, or beverage cans three other targets win importance. These are the identification of environmental impacts during the use phase itself and its integration in the process chain. Using this data the third target aims at case studies which point out various user-related effects. For this purpose mass flows and induced environmental impacts of the particular product use, startup, maintenance and repair have to be quantified separately using LCA. For this targets the consideration of the multifunctional material properties is important which requires the choice of a suitable functional unit in order to reproduce all parameters. Furthermore, those mass flows have to be considered which are influenced by the user. Besides socio-economic factors the individual user behavior is determined by exogenous parameters such as distribution and availability of product information. Additionally, it is important to include the life-time of products, because the effects can only be shown after a certain time of usage or, due to the high life time of some products, by Inmmation. On the basis of examples from the aluminum sector particular spectra of the usage are represented with focus either on user behavior, technological potential, recycling ability or life span.
机译：在质量流分析中，使用阶段通常没有充分集成。最重要的是，与用户相关的影响通常不考虑产品或产品系统的寿命。纵观整个工艺链，铝的总需求至关重要。但是，要平衡含铝产品（如汽车，火车，窗框或饮料罐）的使用阶段对环境的影响，其他三个目标也很重要。这些是在使用阶段本身及其在过程链中的集成过程中对环境影响的识别。使用这些数据，第三个目标是针对案例研究，指出各种与用户相关的影响。为此，必须使用LCA分别量化特定产品使用，启动，维护和维修的质量流量和对环境的影响。对于这个目标，考虑多功能材料的性质是重要的，这需要选择合适的功能单元以再现所有参数。此外，必须考虑那些受到用户影响的质量流量。除了社会经济因素外，个人用户的行为还取决于外在参数，例如产品信息的分布和可用性。此外，重要的是包括产品的使用寿命，因为效果只能在一定的使用时间后显示，或者由于某些产品的使用寿命较长，因此必须通过Inmmation才能显示出来。根据铝行业的实例，使用情况的特定频谱以用户行为，技术潜力，回收能力或使用寿命为重点。

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