Optimization and Practice of Integrated Technology for Qualitative Resource Utilization and Efficient Treatment of VOCs in Coking Plant

IF 0.6 Q4 ENGINEERING, CHEMICAL

Coke and Chemistry Pub Date : 2026-02-04 DOI:10.3103/S1068364X25601143

Wenjun Xu, Zengchang Xu, Mingjie Gao, Cheng Xu, Zhaoyong Zhang, Hongming Fang

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Abstract

The volatile organic compounds (VOCs) generated during the coking production process are complex in composition and fluctuate greatly in concentration. Moreover, the oxygen content of some gases varies significantly. Traditional single treatment methods have certain drawbacks and cannot achieve efficient and comprehensive treatment. This paper proposes a differential treatment process. The low-oxygen VOCs produced by tanks with better sealing are led to the negative pressure pipeline of the gas for resource utilization as supplementary fuel; the high-oxygen VOCs produced by tanks with poorer sealing are led to the regenerative thermal oxidation (RTO) system for combustion treatment. After implementing this process in a coking enterprise with an annual output of 1.3 million tons, the comprehensive removal rate of VOCs was ≥98%, reducing carbon emissions by 3200 tons, and the stability of the system operation was significantly improved. This technology provides a new path for efficient and low-carbon treatment of VOCs in the coking industry.

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焦化厂VOCs定性资源利用与高效治理一体化技术优化与实践

焦化生产过程中产生的挥发性有机化合物（VOCs）成分复杂，浓度波动较大。此外，某些气体的氧含量变化很大。传统的单一处理方法存在一定的弊端，无法实现高效、全面的处理。本文提出了一种差别化处理方法。密封性较好的储罐产生的低氧VOCs被引入气体的负压管道，作为补充燃料进行资源化利用；密封性较差的储罐产生的高氧VOCs被引入蓄热氧化（RTO）系统进行燃烧处理。该工艺在某年产130万吨焦化企业实施后，VOCs综合去除率≥98%，减少碳排放3200吨，系统运行稳定性显著提高。该技术为焦化行业VOCs的高效低碳治理提供了一条新途径。

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来源期刊

Coke and Chemistry ENGINEERING, CHEMICAL-

CiteScore

0.70

自引率

50.00%

发文量

期刊介绍： The journal publishes scientific developments and applications in the field of coal beneficiation and preparation for coking, coking processes, design of coking ovens and equipment, by-product recovery, automation of technological processes, ecology and economics. It also presents indispensable information on the scientific events devoted to thermal rectification, use of smokeless coal as an energy source, and manufacture of different liquid and solid chemical products.