188宝金博页面版

GB/T 44905—2024目　　次前言 ·························································································································· Ⅲ引言 ·························································································································· Ⅳ1　范围 ······················································································································· 12　规范性引用文件 ········································································································ 13　术语和定义 ·············································································································· 14　量化目的 ················································································································· 35　量化范围 ················································································································· 35.1　产品描述 ··········································································································· 35.2　声明单位 ··········································································································· 35.3　系统边界 ··········································································································· 46　数据和数据质量 ········································································································ 76.1　数据描述 ··········································································································· 76.2　数据质量要求 ····································································································· 76.3　数据质量评价 ····································································································· 87　生命周期清单分析 ····································································································· 87.1　数据收集 ··········································································································· 87.2　数据审定 ·········································································································· 117.3　数据分配 ·········································································································· 117.4　数据取舍原则 ···································································································· 127.5　清单计算 ·········································································································· 128　产品碳足迹影响评价 ································································································ 128.1　通则 ················································································································ 128.2　产品碳足迹计算方法 ··························································································· 129　产品碳足迹结果解释 ································································································ 1310　产品碳足迹报告 ····································································································· 13附录 A（资料性）　电解铝产品生命周期系统边界内各生产单元的温室气体排放源 ······················· 15附录 B（资料性）　电解铝产品生命周期系统边界内生产工艺流程图示例 ··································· 17附录 C（资料性）　数据收集表示例 ··················································································· 20附录 D（资料性）　全球变暖潜势 ······················································································ 23附录 E（资料性）　产品碳足迹报告模板 ············································································· 24参考文献 ···················································································································· 29Ⅰ