With the modernization of China,a large amount of construction waste appears,and the carbon emissions of the whole life cycle of buildings account for more than 40%[1],and concrete accounts for 60%of these construction wastes.If these waste concrete is not properly used,it will not only cause waste of resources,but also cause environmental pollution.In this paper,the silicate mineral calcium water garnet(Ca3Al2(SiO4)(OH)8)solid adsorbent was prepared from waste concrete by alkali molten hydrothermal method,and the adsorption capacity reached 1.83 mmol·g-1 at 303 K and 103.99 kPa.In this paper,in order to realize the recycling of some waste concrete,reduce the harm of carbon dioxide,and achieve the purpose of treating waste with waste,the preparation process and adsorption performance of calcium hydrated garnet solid adsorbent were explored.
关键词
废弃混凝土/钙水化石榴石/以废治废/气体吸附
Key words
Waste concrete/Hydrogarnet/Treating waste with waste/Gas adsorption
维普
万方数据