To further improve the emission reduction effect on asphalt smoke and mitigate environmental pollution, a novel emission reduction agent (TBD) combined with physical adsorption and chemical degradation was synthesized with tourmaline, biochar, and diatomite. The testing and evaluation method for the emission reduction efficacy of TBD has been established. The optimal preparation method and parameter of TBD were selected based on macroscopic performance and microscopic analysis. The results indicated that TBD had the highest emission reduction rate and most stable storage under the ball milling process. According to XRD, FTIR, SEM, and BET, TBD with the multistage porous structure and spontaneous polarization effect was synthesized by the ball milling parameter of 200r-2 h. The emission reduction efficiency of TBD on the asphalt smoke effect was enhanced by a synergistic interaction of the physical adsorption and chemical degradation. The emission reduction rate was up to 65.84% for 3 h. This laid the foundation for the development and promotion of low-pollution asphalt.

为进一步提高沥青烟气减排效果，减轻环境污染，以电气石、生物炭、硅藻土为原料，合成了物理吸附与化学降解相结合的新型减排剂（TBD）。建立了TBD减排效果测试评价方法。根据宏观性能和微观分析，选择TBD的最佳制备方法和参数。结果表明，球磨工艺下TBD的减排率最高，储存最稳定。通过XRD、FTIR、 SEM、BET等分析，球磨参数为200r-2 h，合成了具有多级多孔结构和自发极化效应的TBD。通过物理吸附和化学降解的协同作用，增强了TBD对沥青烟气的减排效率。3小时减排率高达65.84%。这为低污染沥青的开发和推广奠定了基础。