On March 30th, in Baoji, Shaanxi, a groundbreaking technology titled "Fluid Fine Particles and Steam Recovery Technology" was officially recognized by an expert committee organized by the Provincial Department of Science and Technology. Following a thorough review, the experts unanimously agreed that the project's comprehensive technology has reached an advanced domestic level and holds significant potential for reducing haze pollution and improving air quality.
According to environmental specialists, the formation of haze is largely driven by the condensation of PM2.5 particles with water vapor. When these fine particles, often originating from coal combustion, become airborne, they can carry harmful substances such as bacteria, viruses, heavy metals, and carcinogens. These pollutants can penetrate deep into the respiratory system, posing serious health risks to individuals.
The technology was developed over five years by the Shaanxi Institute of Environmental Sciences and Shaanxi Wave Company through thousands of experimental iterations. The method involves slowing down, cooling, and condensing waste gas, followed by centrifugal separation and siphoning to effectively collect and recover fine particles in solid form from boiler flue gas.
Experts from the Ministry of Environmental Protection’s Environmental Protection Center, the Environmental Analysis and Testing Center, Northwest University, and Chang’an University reviewed the project’s technical reports and on-site assessments. They highlighted the project's independent development of cooling wing tablet technology, along with automated cleaning, ash discharge, and drainage systems—marking significant technological innovations.
The new fine particulate matter removal technology for coal-fired boilers has been tested by national statutory testing agencies. Its performance exceeds the national standard GB13223-2011, with dust emission concentrations ranging between 10–15 mg/m³, a fine particle removal rate exceeding 90%, and exhaust gas humidity below 70%. This results in a notable reduction in fine particulate emissions.
In conclusion, the participating experts affirmed that the technology is scientifically sound, safe, and reliable, with its overall capabilities reaching an advanced domestic level. It plays a crucial role in controlling haze and enhancing environmental quality. Experts recommend accelerating the industrialization of this promising technology to bring it into wider use.
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