2021-12-13-中国日用玻璃协会-日用玻璃行业_碳达峰_碳中和_以及碳排放核算有关问题的探讨_59页_2mb

Analysis and Summary of Carbon Peak and Carbon Neutrality in the Daily Glass Industry

Introduction to Carbon Peak and Carbon Neutrality

The concept of "carbon peak" and "carbon neutrality" was proposed by President Xi Jinping at the United Nations in 2020. By 2030, China aims to peak carbon dioxide emissions, and by 2060, achieve carbon neutrality through measures such as afforestation, energy efficiency improvements, and industrial adjustments.

Impact on Related Industries

1. Energy Structure Transformation
   China's energy mix includes fossil fuels (coal, oil, natural gas) accounting for 84% of energy consumption, with renewables like hydro, wind, and solar making up only 16%. Achieving carbon neutrality requires reducing fossil fuel dependence and promoting renewable energy. In 2021, China's coal consumption cap is set at 56% of total energy consumption, aiming to develop cleaner energy sources.

2. Manufacturing Sector
   The manufacturing industry faces strict targets for reducing energy consumption and carbon emissions. By 2030, greenhouse gas emissions per unit of GDP must decrease by 18%, driving industries to adopt energy-saving and emission-reducing technologies.

Key Terminology

• GDP: Gross Domestic Product, measuring economic output.
• Energy Consumption: Total energy used by industries, measured in tons of standard coal.
• Unit GDP Energy Consumption: Energy used per unit of GDP, declining from 15.93 tons of standard coal per 10,000 yuan in 1978 to 0.49 tons in 2020.

Carbon Peak and Energy Consumption

"Carbon peak" refers to peaking CO₂ emissions, not energy consumption. Renewable energy is encouraged, while fossil fuels are gradually phased out. The goal is to reduce energy-based carbon emissions while supporting economic growth.

Daily Glass Industry Challenges and Solutions

The daily glass industry must reduce energy consumption, optimize fuel mix, and lower CO₂ emissions to align with national policies. Key strategies include:

1. Energy Adjustment:

   • Switch to low-carbon fuels (e.g., hydrogen-rich fuels) in furnaces.
   • Implement electric-assisted melting to reduce fossil fuel dependency.

2. Process Optimization:

   • Replace raw materials with low-carbon alternatives (e.g., lithium ore for sodium carbonate).
   • Increase the use of cullet (recycled glass) to reduce energy and emissions.
   • Enhance furnace efficiency through better insulation, combustion optimization, and temperature control.

3. Technological Upgrades:

   • Adopt intelligent equipment (e.g., servo-driven molding machines).
   • Eliminate outdated equipment and improve energy management systems.

Carbon Emission Calculation in the Daily Glass Industry

• Threshold: Enterprises emitting ≥26,000 tons of CO₂ annually are classified as key entities.
• Calculation Method: Sum of direct and indirect emissions from fossil fuels, production processes, and purchased electricity/heat.
• Simplified Estimation: For quick calculations, enterprises use energy consumption data and carbon emission factors (e.g., 2.6 tons CO₂ per ton of standard coal).

Conclusion

The daily glass industry must integrate energy efficiency measures, material substitutions, and intelligent technologies to meet its emission targets. Collaboration between enterprises, policymakers, and researchers is crucial to achieving sustainable development under carbon peak and carbon neutrality goals.