국내 및 ISO 기준을 기반으로 한 국내 고형연료(SRF) 품질 등급 평가 및 개선
Evaluation and Improvement of Domestic Solid Refuse Fuel (SRF) Quality Classification Based on Korea and ISO Standards
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This study analyzes the quality of Solid Refuse Fuel (SRF) products produced and used in South Korea by comparing them with both domestic and international quality standards (ISO 21640). The results indicate that low heating value and chlorine content are the most critical factors in determining SRF grades, with sulfur content playing an additional role in BIO SRF. However, the current domestic classification system evaluates quality based on a simple summation of individual scores, which can lead to overestimated product quality and reduced differentiation between grades. Compared with ISO 21640, the domestic system incorporates more detailed criteria, such as sulfur content, but lacks sufficient variability to establish a reliable grading structure. The study proposes a new classification method based on the lowest individual quality parameter score, which provides clearer differentiation among products. Moving forward, a systematic accumulation and analysis of past data will be necessary to identify long-term quality trends and establish a more precise grading system. This study provides a basis for improving the credibility and sustainability of SRF classification and contributes to the ongoing enhancement of waste-to-energy applications.
Abstract
This study analyzes the quality of Solid Refuse Fuel (SRF) products produced and used in South Korea by comparing them with both domestic and international quality standards (ISO 21640). The results indicate that low heating value and chlorine content are the most critical factors in determining SRF grades, with sulfur content playing an additional role in BIO SRF. However, the current domestic classification system evaluates quality based on a simple summation of individual scores, which can lead to overestimated product quality and reduced differentiation between grades. Compared with ISO 21640, the domestic system incorporates more detailed criteria, such as sulfur content, but lacks sufficient variability to establish a reliable grading structure. The study proposes a new classification method based on the lowest individual quality parameter score, which provides clearer differentiation among products. Moving forward, a systematic accumulation and analysis of past data will be necessary to identify long-term quality trends and establish a more precise grading system. This study provides a basis for improving the credibility and sustainability of SRF classification and contributes to the ongoing enhancement of waste-to-energy applications.