Lumber Recovery Efficiency among Selected Sawmills in Akure, Nigeria

Olufemi, Babatola; Akindeni, Joseph Olalekan; Olaniran, Samuel Oluyinka

doi:10.5552/drind.2012.1111

Cited by 15 publications

(8 citation statements)

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“…The same categories of woody biomasses are processed at all the saw-mills visited. This is corroborated by the work of Olufemi et al (2012) that the same kinds of woody biomasses are present in southwest Nigeria. One hundred samples of the woody biomasses identified were grouped into 39 families and classified into hard woody biomasses and soft woody biomasses out of which only two are soft and rest are hard.…”

Section: Resultssupporting

confidence: 66%

Identification of the woody biomasses in Southwest, Nigeria as potential energy feedstocks in thermal power plants for air pollution control

et al. 2021

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Section: Resultssupporting

confidence: 66%

Identification of the woody biomasses in Southwest, Nigeria as potential energy feedstocks in thermal power plants for air pollution control

et al. 2021

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“…In sawmilling, a volume basis is usually applied to measure the wood recovery (Fahey and Woodfin 1982;Keegan et al 2010;Olufemi 2012;Olufemi et al 2012). For pulp and paper processing, mass is frequently used for measuring the pulping recovery (Bowyer et al 2007).…”

Section: Introductionmentioning

confidence: 99%

A Proposed Method and Its Development for Wood Recovery Assessment in the Furniture Manufacturing Process

2018

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A proposed method for assessing wood recovery involves application of a machining station approach with volume and mass measurements. A medium wood furniture company located in Jepara, Indonesia was selected to develop the method. Batch measurements of the inputs and outputs for different types of indoor-furniture products at every station were collected and analysed. For the volume method, three dimensions were measured on each specimen: the length, width, and thickness. For the mass method, the specimens were weighed before and after each processing station using a balance. Based on the mass method, the average total wood recovery rate was 26.2% ± 2.3%. For individual products and per station, the significant difference in the wood recovery rate occurred only at the resawing and edging, and trimming stations. The relationship between the teak quality, product dimensions, and type of finish was significantly different, where A-quality teak, large dimensions, and polyurethane finish resulted in a higher wood recovery rate. Both methods were reliable because of insignificant differences in the wood recovery rates. However, the mass method was more efficient and practical. The proposed protocol using the mass method is a suitable and effective system because the contribution of the variance component of the method was 2.71%.

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“…En los años 70, los pequeños of 41.3 %, which is similar to the value obtained in this study, was registered for Lonchocarpus castilloi Standl. The sawmill coefficient registered for sawmills in Nigeria is 56 % (Olufemi, 2012), while the SC in countries with advanced industrialized economies is 60 %. In countries with emerging industrialized economies, which have a growing dependence on wood from CFPs, the SC is 50 % (FAO, 1998).…”

Section: Comercializaciónmentioning

confidence: 99%

“…(machiche). El coeficiente de aserrío consignado para aserraderos en Nigeria es de 56 % (Olufemi, 2012). Por el contrario, para los países con economías industrializadas avanzadas, se documenta un CA de 60 %.…”

Section: Sawmill Coefficient (Sc)unclassified

Diagnóstico de la industria de transformación primaria de las maderas tropicales de México

Guzmán

Arango

Talavera

et al. 2018

RMCF

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Se presenta el diagnóstico de la industria de transformación primaria de maderas tropicales del Sureste Mexicano, elaborado con el propósito de generar información que contribuya a la implementación de estrategias que impulsen el desarrollo del sector. Los aspectos considerados incluyen las especies maderables utilizadas, estatus tecnológico de la industria de transformación primaria, y datos de comercialización. Se hicieron entrevistas a integrantes de la cadena productiva e industrias ubicadas en Campeche, Quintana Roo, Tabasco, Yucatán, Jalisco y Distrito Federal. La población de empresas encuestadas se obtuvo del Programa de Cadenas Productivas de la Comisión Nacional Forestal, de los centros de almacenamiento y transformación de materias primas forestales de la Secretaria de Medio Ambiente y Recursos Naturales y de la Cámara Nacional de la Industria Maderera. Los resultados evidenciaron que en la productividad de la industria inciden el flujo inestable de materia prima, falta de alianzas estratégicas en la cadena productiva y la antigüedad de la maquinaria. Respecto al mercado maderero, la mayor participación correspondió a Eucaliptus spp. y Gmelina arborea provenientes de plantaciones forestales comerciales; además de Swietenia macrophylla y Lysiloma latisiliquum procedentes de bosque natural. Las maderas con menor participación fueron Metopium brownei, Swartzia cubensis, Enterolobium cyclocarpum, Lonchocarpus castilloi y Cedrela odorata. La mayoría de la maquinaria de aserrío tiene entre 1 y 30 años y recibe poco mantenimiento. Los residuos forestales del proceso de aserrío no se utilizan por desconocimiento de tecnologías y falta de incentivos para su aprovechamiento.

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Lumber Recovery Efficiency among Selected Sawmills in Akure, Nigeria

Abstract: • This study was carried out to investigate the effi ciency of lumber recovery among

Cited by 15 publications

References 1 publication

Identification of the woody biomasses in Southwest, Nigeria as potential energy feedstocks in thermal power plants for air pollution control

Identification of the woody biomasses in Southwest, Nigeria as potential energy feedstocks in thermal power plants for air pollution control

A Proposed Method and Its Development for Wood Recovery Assessment in the Furniture Manufacturing Process

Diagnóstico de la industria de transformación primaria de las maderas tropicales de México

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