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The 3rd Green Innovation Summit on Geopolymer Low-Carbon Cementitious Materials ▲
From October 22 to 24, the 3rd Green Innovation Summit on Geopolymer Low-Carbon Cementitious Materials, together with the New Technology Exchange Conference and Exhibition across the Green Building Industry Chain, was held in Baotou, Inner Mongolia.
The summit focused on the technological development of low-carbon cementitious materials such as geopolymers and the large-scale utilization of industrial solid waste, bringing together experts, scholars, and engineers from research institutes, universities, and industry chain enterprises. It serves as a professional platform for the recycling of industrial solid waste in the green building sector.
Xu Gongxiong, Technical Director of Taiji Environmental Protection, delivering the report ▲
At the invitation of the organizing committee, Xu Gongxiong, Technical Director of Ningbo Taiji Environmental Protection Equipment Co., Ltd., represented the company at the summit and delivered a keynote report titled "Steel Slag Desulfurization Technology and Regional Recycling Utilization." The presentation introduced the company's technical approach of using metallurgical solid waste such as steel slag as a desulfurization absorbent to treat sulfur dioxide in flue gas via the independently developed DS Multiphase Reactor, as well as the comprehensive utilization pathways for desulfurization by-products. It elaborated on the application value of steel slag desulfurization in the coordinated regional recycling of industrial solid waste.
Xu Gongxiong, Technical Director of Taiji Environmental Protection, delivering the report ▲
During the conference, Xu Gongxiong led participating experts, professors, and enterprise technicians on a field visit to Taiji Environmental Protection's saline-alkali land remediation demonstration base in Urad Front Banner. The base uses steel slag desulfurization by-products as a soil amendment for saline-alkali land improvement. Through the exchange of calcium ions with sodium and potassium ions in the soil, the by-products reduce soil salinity and pH levels and improve compacted soil structure, earning unanimous recognition from the experts and scholars in attendance.
Before and after the saline-alkali land improvement ▲
For Taiji Environmental Protection, this technical pathway represents a natural extension of the company's core business in bulk industrial solid waste treatment. Steel slag is one of the largest solid waste streams generated by the steel industry. By using steel slag as an absorbent for flue gas desulfurization, the company achieves "treating waste with waste to enable resource reuse." The desulfurization by-products are further processed for saline-alkali land improvement or used as building material raw materials, closing the regional loop: "steel slag → desulfurization → soil improvement / building materials."
