Effects on Morphology and Chemical Properties of Indonesian Bamboos by Carbonization

IF 0.5 3区数学 Q3 LOGIC

Journal of Symbolic Logic Pub Date : 2021-05-30 DOI:10.23960/JSL29190-201

Sehwi Park, Min Lee, F. Febrianto, N. Wistara

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引用次数: 1

Abstract

A simple carbonization technique was applied to utilize Indonesian bamboo resources. Several ba mboo species as betung ( Dendrocalamus asper ), andong ( Gigantochloa pseudoarundinacea (Steudel) Widjaja), hitam ( G. atroviolacea ), tali ( G. apus ), kuning ( Bambusa vulgaris var. striata ), and ampel bamboo ( B. Vulgaris Scharad ) were selected for carbonization. Carbonization was conducted using a laboratory electrical furnace at 200, 400, 600, 800, and 1,000 1,000°C. The morphological and chemical properties of bamboos before and after carbonization were then analyzed. Betung, hitam, tali, kuning, and ampel bamboos had t ype IV structure which was the most common bamboo structure, while andong bambo had type III structure . Cracks in the fiber bundle were observed and became more visible with the increase of carbonization temperature. The pH showed a similar trend in all species. As a result of the electric conductivity test, carbonized andong and kuning bamboo showed higher value due to rich inorganic content. Kuning bamboo has a high value of potassium and silica content, which are suitable for use as fertilizer. The chemical structure transition of bamboo during the carbonization process was analyzed by FTIR spectroscopy, and significant changes were observed between 400 and 600°C. These results could be useful fundamental data for promoting high value-added bamboo utilization and improving research in Indonesian bamboo. Keywords: bamboo charcoal, carbonization, Indonesian bamboo, inorganic content, FTIR

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炭化对印尼竹形态和化学性质的影响

采用简单的炭化技术对印尼竹材资源进行了利用。选取了木竹(Dendrocalamus aspper)、东竹(Gigantochloa pseudoarundinacea (Steudel) Widjaja)、海竹(G. atroviolacea)、塔里竹(G. apus)、昆宁竹(Bambusa vulgaris var. striata)和ampel bamboo (B. vulgaris Scharad)等竹种进行炭化处理。在200、400、600、800和1000℃的实验室电炉上进行炭化。分析了竹材炭化前后的形态和化学性质。间竹、喜潭竹、塔里竹、昆宁竹和安培竹具有最常见的IV型结构，安东竹具有III型结构。随着炭化温度的升高，纤维束的裂纹越来越明显。所有物种的pH值变化趋势相似。经炭化处理的安东竹和昆宁竹的电导率测试结果表明，炭化后的安东竹和昆宁竹由于无机元素含量丰富而具有较高的电导率。昆宁竹的钾、硅含量高，适合作为肥料使用。利用红外光谱分析了竹材在炭化过程中的化学结构转变，在400 ~ 600℃之间观察到明显的变化。这些结果可为促进印尼竹的高附加值利用和提高研究水平提供有益的基础数据。关键词:竹炭，炭化，印尼竹，无机含量，红外光谱

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来源期刊

Journal of Symbolic Logic 数学-数学

CiteScore

1.20

自引率

16.70%

发文量

审稿时长

6-12 weeks

期刊介绍： The Journal of Symbolic Logic publishes research in mathematical logic and its applications of the highest quality. Papers are expected to exhibit innovation and not merely be minor variations on established work. They should also be of interest to a broad audience. JSL has been, since its establishment in 1936, the leading journal in the world devoted to mathematical logic. Its prestige derives from its longevity and from the standard of submissions -- which, combined with the standards of reviewing, all contribute to the fact that it receives more citations than any other journal in logic.