T/CPCIF 0329-2024 Green Design Product Evaluation Technical Specification Sodium Bicarbonate

Scope

Scope: This document specifies the evaluation principles and methods, evaluation requirements, life cycle assessment of products, and preparation methods for evaluation reports of green design products of sodium bicarbonate. This document is applicable to the evaluation of green design products of sodium bicarbonate produced by the natural alkali method, the synthetic method, and the double decomposition method; Main technical content: 4. Evaluation principles and methods 4.1 Evaluation principles 4.1.1 The principle of combining life cycle assessment with indicator evaluation According to the principle of combining life cycle assessment with indicator evaluation, considering the entire life cycle of sodium bicarbonate products, from the stages of product production and product packaging, we deeply analyze various factors such as resource consumption, energy consumption, ecological environmental impact, and human health hazards in each stage, and select indicators from each stage to form an evaluation indicator system. 4.1.2 Principle of optimally selecting environmental impact categories According to the characteristics of sodium bicarbonate products and production processes, and considering the environmental impact categories that are highly concerned by society and explicitly required by national laws or policies, we select indicators such as raw material consumption, fresh water consumption per unit product, industrial water reuse rate, comprehensive energy consumption per unit product, air pollutants, and process wastewater discharge per unit product for evaluation. 4.2 Evaluation methods and process 4.2.1 Evaluation methods Sodium bicarbonate products that meet the following conditions can be called green design products: a)   Meet the basic requirements (see 5.1) and evaluation indicator requirements (see 5.2); b)   Provide a life cycle assessment report for sodium bicarbonate products. 4.2.2 Evaluation process According to the chara

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