Effects of Air Pollution Control Devices on the Chlorine Emission from 410 t/h Circulating Fluidized Bed Boilers Co-firing Petroleum Coke and Coal

Cui, Jian; Duan, Lunbo; Zhou, Linfei; Zhao, Changsui

doi:10.1021/acs.energyfuels.7b03106

Cited by 11 publications

(1 citation statement)

References 25 publications

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“…Ma et al () report the behavior of slagging deposits during the co-combustion of coal and biomass (wood and corn stalk) in a 300 kW down-fired furnace. Cui et al () conduct field measurements on the emission characteristics of chlorine (Cl) from 410 t/h circulating fluidized bed boilers that co-fire petroleum coke and coal.…”

Section: Topic Reviewmentioning

confidence: 99%

6th Sino-Australian Symposium on Advanced Coal and Biomass Utilisation Technologies

Gao

et al. 2018

Energy Fuels

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HUST) in 2006. The objectives have always been providing a regular platform for research exchange among Australian, Chinese, and other international researchers in the field of coal and biomass utilization technologies. These were successfully achieved in the first five symposia held in Wuhan, China, resulting in five special sections 1−5 in Energy & Fuels. Upon the conclusion of the fifth symposium 5 in 2015, both Australian and Chinese teams unanimously agreed to hold the next symposium in Australia.The sixth symposium was successfully held at the Hyatt Regency, Perth, Western Australia, from December 4 to 8, 2017. It was a great success and received a large number of full

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Section: Topic Reviewmentioning

confidence: 99%

6th Sino-Australian Symposium on Advanced Coal and Biomass Utilisation Technologies

Gao

et al. 2018

Energy Fuels

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Emission reduction process for dechlorinating flue‐gas desulfurization gypsum and reducing wastewater effluents: Application prospects from laboratory‐scale studies

Chen

Jiang

Zhang

et al. 2020

Energy Science & Engineering

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The treatment of flue‐gas desulfurization (FGD) gypsum, a common solid waste material that is often affected by chloride ions, typically occupies large amounts of land, causes resource waste, and results in environmental pollution. An emission reduction process involving the dechlorination of FGD gypsum and reducing its emissions has been proposed to solve these problems. Laboratory experiments were conducted to verify the feasibility of the emission reduction process and study any differences from the conventional process. The test results indicated that the average dechlorination rate of the emission reduction process was 80.4%, which is equivalent to 97.5% of the conventional process. The average dechlorination wastewater volume of the emission reduction process was 0.22 L, which is equivalent to 4.9% of the conventional process. The results show that the emission reduction process can effectively reduce the chlorine content of FGD gypsum and its related wastewater discharge. This novel gypsum dechlorination process effectively reduces the chlorine content of FGD gypsum and related wastewater. In addition, the emission reduction process can lead to greater recovery of renewable resources and can result in a cleaner energy conversion process. This process is an alternative method for recovering residues and resources without secondary pollution. Therefore, if this technology is integrated into existing FGD facilities, costly chemical processes could be replaced by those that recover a renewable resource and incorporate a clean energy conversion process.

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Introduction

Duan

2023

Oxygen-Carrier-Aided Combustion Technology for Solid-Fuel Conversion in Fluidized Bed

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FBC technology with the advantages of flexible fuel applicability, stable temperature control, inherently low gas-pollutant emissions, etc. is an advanced fuel-conversion technology, applied in industry, and in heat and electric utilities. Theoretically, FBC has good gas-solid mixing and a resulting uniform temperature distribution. In the actual FBC operation, however, especially in large-scale reactors, the mixing of oxygen and fuel is still limited by the lateral solids dispersion coefficient and gas penetration. Such an issue not only reduces the combustion efficiency but also brings a series of problems related to the operation, such as excessive emissions and bed agglomeration. OCAC technology, which is using oxygen carrier particles to partially or completely replace the traditional inert bed materials in fluidized-bed reactors. This technology is aiming to improve combustion efficiency, enhance operational safety, and reduce pollutant emission by promoting the uniformity of the oxygen and temperature distributions in a fluidized-bed reactor. Benefiting from the oxygen buffering characteristic of oxygen carrier particles, OCAC can significantly improve the oxygen distribution throughout the combustion chamber, which can reduce CO and hydrocarbon emissions.

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Effects of Air Pollution Control Devices on the Chlorine Emission from 410 t/h Circulating Fluidized Bed Boilers Co-firing Petroleum Coke and Coal

Cited by 11 publications

References 25 publications

6th Sino-Australian Symposium on Advanced Coal and Biomass Utilisation Technologies

6th Sino-Australian Symposium on Advanced Coal and Biomass Utilisation Technologies

Emission reduction process for dechlorinating flue‐gas desulfurization gypsum and reducing wastewater effluents: Application prospects from laboratory‐scale studies

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