ASSESSMENT OF INDUSTRIAL PERFORMANCE FOR MARKET PULP PRODUCTION BETWEEN EUCALYPT AND Corymbia HYBRIDS CLONES

IF 0.6 4区农林科学 Q4 FORESTRY Revista Arvore Pub Date : 2022-01-01 DOI:10.1590/1806-908820220000028

M. Costa, T. Nogueira, R. Bittencourt, W. O. D. Silva, Larissa Soares Silva, R. F. Almeida, G. Santos, C. Pena

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Abstract

ABSTRACT The search for novel biomasses for uses as alternative fiber sources, similar to Eucalyptus spp. biomass, holds great value and potential for commercial-scale application. This study aims to present the hybrid clones of Corymbia spp. developed by Aperam BioEnergia as potential substitutes for Eucalyptus wood in the market pulp industry. By performing modified kraft pulping and chemical characterization analyses, it was possible to compare the biomass of Eucalyptus spp. with that of Corymbia spp. Comparisons were made by analyzing their respective pulp average growth rate (PAGR) and specific wood consumption (SWC), estimated using a kappa number of 19 ± 1. The results showed that one of the hybrid clones (Corymbia citriodora × Corymbia torelliana - ID 4) had highest PAGR#k19, and lowest SWC than other samples. Clone ID 4 showed lowest value of SWC since, simultaneously presented a higher value of wood basic density and screened yield. Consequently, in agreement with its best results, clone ID 4 had the highest-ranking score, calculated as the PAGR/SWC ratio. This genetic material also showed one of the lowest total lignin content, consequently the highest screening yield. Besides Clone ID 4 showed significantly highest xylan content, among wood samples assessed in this work. For that reason, the ID 4 was the highest-ranked, proving to be an excellent high-performance alternative for forest-industry interface parameters.

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桉树与山茱萸杂交无性系市场纸浆生产的工业性能评价

寻找新的生物质作为替代纤维来源，类似于桉树的生物质，具有巨大的商业规模应用价值和潜力。本研究旨在介绍由Aperam BioEnergia公司开发的Corymbia spp.的杂交无性系，作为市场纸浆工业中桉树木材的潜在替代品。利用kappa值为19±1的平均纸浆生长率(PAGR)和木材耗用率(SWC)，对桉木和杉木的生物量进行了比较。结果表明，其中一个杂交无性系(citriodora × Corymbia torelliana - id4)的PAGR#k19值最高，SWC值最低。无性系id4的SWC值最低，但木材基本密度和筛分产量较高。因此，与最佳结果一致，克隆ID 4的排名得分最高，计算为PAGR/SWC比率。该遗传物质也显示出最低的总木质素含量之一，因此筛选产量最高。此外，克隆ID 4的木聚糖含量在本研究评估的木材样品中显著最高。出于这个原因，id4是排名最高的，证明是森林工业接口参数的优秀高性能替代方案。

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来源期刊

Revista Arvore FORESTRY-

CiteScore

1.00

自引率

0.00%

发文量

审稿时长

4-8 weeks

期刊介绍： A Revista Árvore é um veículo de comunicação científica da Sociedade de Investigações Florestais – SIF. O jornal é de acesso gratuito, revisado por pares, que publica bimestralmente trabalhos científicos originais no campo da Ciência Florestal. As áreas temáticas para publicação são: Ambiência e Conservação da Natureza, Manejo Florestal, Silvicultura e Tecnologia da Madeira e Utilização de Produtos Florestais. A política editorial visa manter alta conduta ética em relação à publicação e aos seus funcionários, rigor na qualidade dos artigos científicos, seleção de revisores qualificados, respeito profissional aos autores e processo de tomada de decisão imparcial. A Revista Árvore publica artigos apenas em inglês. Artigos de revisão podem ser publicados se houver uma discussão relevante resumindo o estado da arte sobre o assunto. A revisão estrita da literatura não é aceita.