T/CPCIF 0221-2022 Green Design Product Evaluation Technical Specification for Activated Carbon Black Made from Rice Hulls

Scope

Scope: This document specifies the evaluation principles and methods, evaluation requirements, and preparation methods for life cycle assessment reports of green design products made from rice husk activated carbon black. This document applies to the evaluation of rice husk activated carbon black green design products prepared using rice husk ash, sodium hydroxide, and sulfuric acid as the main raw materials. Main technical contents: - Level 1 indicators - Level 2 indicators - Unit indicators - Directional indicators - Benchmark values - Judging criteria - Applicable stages - Resource attributes - Unit products - Rice husk ash consumption (t/t) ≤ 1.28, calculated according to Appendix A.1 - Raw material acquisition unit products - Sodium hydroxide (standardized) consumption (t/t) ≤ 0.36, calculated according to Appendix A.1 - Sulphuric acid (standardized) consumption (t/t) ≤ 0.46, calculated according to Appendix A.1 - Water reuse rate (%) ≥ 90, calculated according to Appendix A.2 - Fresh water consumption per unit product (m3/t) ≤ 28.5, calculated according to Appendix A.3 - Energy attributes - Comprehensive energy consumption per unit product (atce/t) ≤ 0.42, calculated according to GB/T 2589 - Environmental attributes - Wastewater discharge per unit product (m3/t) ≤ 27, calculated according to Appendix A.4 - Process control water pollutant emission concentrations - Suspended solids (mg/L) ≤ meet the requirements of GB 31573 "Special Emission Limits for Water Pollutants" - Ammonia nitrogen (mg/L) - Total phosphorus (mg/L) - Total nitrogen (mg/L) - Air pollutant emission concentrations - Particulate matter (mg/Nm3) ≤ 20 - Sulfur dioxide (mg/Nm3) ≤ 50 - Nitrogen oxides (mg/Nm3) ≤ 150 - Product attributes - Total copper (Cu) (mg/kg) ≤ 4, tested according to HG/T 3068 and provided with a test report - Total manganese (Mn) (mg/kg) ≤ 38, tested according to HG/T 3069 and provided with a

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