zozen boiler
Home Service FAQs FAQ of coal-fired boilers What are the desulfurization technologies of coal-fired boiler?

What are the desulfurization technologies of coal-fired boiler?

07 Aug 2020

The fuel of coal-fired boiler will release some harmful substances after combustion that are harmful to human body, but also pollute the environment. Therefore, the desulfurization treatment is required for coal-fired boiler, including desulfurization before combustion, desulfurization during combustion and desulfurization after combustion. The specific operating methods are different.

Before the combustion, desulfurization mainly adopts traditional methods, such as microbial desulfurization, liquidation and coal gasification, chemical or physical coal washing, etc.

During the combustion, we can add sulfur fixation agent and binder to the coal and adopt absorbent to realize desulfurization.

After the combustion, there is a large amount of chlorine dioxide remaining in the flue gas, so the desulfurization at that time is actually flue gas desulfurization. According to the wet and dry conditions and water participation conditions of desulfurization products, there are dry method, wet method and semidry method of desulfurization technologies.

Based on comparison, wet method of flue gas desulfurization is suitable for coal-fired boiler with good effect, high efficiency and low calcium sulfur ratio. However, its disadvantages are high investment and complicated equipment and process.

Related FAQs View More
Related news View More
  • ZOZEN Boiler: Empowering High-Quality Development in the Building Materials Industry
    The continuous growth of the building materials industry places higher demands on thermal energy supply in production—stable steam output, efficient energy utilization, and emissions that meet environmental standards have become core criteria for selecting boiler equipment. Leveraging a deep understanding of industry-specific production needs, ZOZEN Boiler provides customized products and technical advantages to deliver reliable thermal energy support for building materials enterprises at ...
    21 Oct 2025
  • ZOZEN Boiler Breaks the High Humidity Biomass Combustion Challenge with Reciprocating Grate Biomass Steam Boiler
    ZOZEN Boiler Breaks the High Humidity Biomass Combustion Challenge with DZW Series Reciprocating Grate Biomass Steam Boiler Recently, Jinzhi Morning Hong Paper Co., Ltd. (hereinafter referred to as "Morning Hong Paper") reached an important cooperation with ZOZEN Boiler, successfully introducing the DZW series reciprocating grate biomass steam boiler. This brings new impetus for efficient and green production to the company. As a leading paper product manufacturer in North China, Morning Hong P...
    14 Oct 2025
  • ZOZEN Boiler to Showcase at Heatpower Expo 2025 in Moscow, Russia
    From October 21 to 23, the Heatpower Expo, Russia’s premier industrial boiler and heat exchange exhibition, will be held at the Crocus International Expo Center. As a benchmark event in the industrial boiler and heat exchange equipment sector in Russia, the expo serves as both a window into industry trends and a high-energy platform for fostering practical cooperation. ZOZEN Boiler’s Russian-speaking sales team will participate with its core boiler solutions, demonstrating clean, eff...
    07 Oct 2025

Find the Right Boiler For You

Name *

Email *

WhatsApp/WeChat

Products

Power/Capacity