Effect of salt impregnation on the properties of orange albedo biochar

Cleaner Chemical Engineering Pub Date : 2022-09-01 DOI:10.1016/j.clce.2022.100059

Adewale George Adeniyi , Sulyman A. Abdulkareem , Kingsley O. Iwuozor , Samuel Ogunniyi , Maryam T. Abdulkareem , Ebuka Chizitere Emenike , Patience A. Sagboye

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引用次数: 27

Abstract

The aim of this study was to evaluate the effect of impregnation with zinc chloride on the characteristics of orange albedo biochar produced in a top-lit updraft biomass conversion reactor with retort heating. The study was done in a bid to improve the porosity and surface area of the orange albedo biochar. The impregnated biochar was impregnated with zinc chloride salt (impregnation ratio = 1:1 for 24 h) before carbonization. Three techniques of characterization (SEM-EDS, FTIR, and BET) were used to characterize the biochars to determine their porosity, chemical composition, morphology, and chemistry. The un-impregnated biochar and the impregnated biochar have a specific surface area of 114.036 m²/g and 148.030 m²/g, respectively, and both biochars are mesoporous.

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盐浸渍对橙色反照率生物炭性能的影响

本研究的目的是评价氯化锌浸渍对在顶燃上升气流生物质转化反应器中用蒸馏塔加热生产的橙色反照率生物炭特性的影响。这项研究是为了改善橙色反照率生物炭的孔隙率和表面积。碳化前用氯化锌盐(浸渍比 = 1:1)浸渍24 h。采用SEM-EDS、FTIR和BET三种表征技术对生物炭进行表征，以确定其孔隙度、化学成分、形态和化学性质。未浸渍生物炭和浸渍生物炭的比表面积分别为114.036 m2/g和148.030 m2/g，均为介孔生物炭。

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Cleaner Chemical Engineering

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