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木制废物的水热碳化:在这个过程中,水炭的物理化学特性和结构演变机制的变化

Cong Yang¹, Peng Xia², Lingyun Zhao³

¹College of Resources and Environmental Engineering, Guizhou University, Guiyang, 550025, China.

|October 12, 2024

概括

中医药残留物 (CMR) 的水热碳化 (HTC) 产生具有独特特性的. 来自分解和碳化阶段的优化为二氧化碳捕集和重金属吸附的理想选择,而重新排列阶段的适合土壤修复.

科学领域:

材料科学材料科学材料科学
化学工程是化学工程的重要组成部分.
环境科学环境科学

背景情况:

中医药残留物 (CMR) 呈现出大量的废物流,通常包括甘和等湿木质材料.
水热碳化 (HTC) 为将生物质废物转化为有价值产品提供了一个有前途的途径,例如水电.
了解炭的结构演变对于最大限度地发挥其应用潜力至关重要.

研究的目的:

在各种HTC条件下,研究从CMR衍生出的物理化学特性和结构演变.
为了将化合物的特性与其适用于环境应用的适用性相关联,例如二氧化碳封存,重金属吸附和土壤修复.

主要方法:

在不同的条件下CMR的热水碳化 (HTC).
综合分析酸盐的物理化学特性 (表面积,孔积,元素组成,碎形维度,晶体结构).
采用多种测试方法来表征酸盐的形态和结构.

主要成果:

碳化合物的结构进化发生在三个阶段:组件分解,结构重组和碳化.
分解和碳化阶段产生具有高微孔表面积 (高达113.420 m2/g) 和孔积的,适用于二氧化碳捕集和重金属吸附.
结构重组阶段产生含有较高固定碳 (38.51%),MgO (0.99%),P2O5 (1.12%) 和C/N比率 (28.49) 的炭,非常适合土壤整治和营养恢复.

结论:

HTC是一种有效的方法,用于将CMR价值化为功能性水电.
碳化合物的特定应用 (二氧化碳封存,重金属吸附,土壤整治) 可以通过控制HTC条件来定制,以针对不同的结构和组成特征.
这项研究提供了对传统中医药残留物的能源利用和废物管理的基本见解.

关键词:

这就是为什么HTC HTC HTC.碳水化合物是指碳水化合物中的一种.微晶结构的结构是微晶的.毛孔结构毛孔结构伍迪的浪费是木材的浪费.

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