Utilisation possibilities of waste medium-density fiberboard: A material recycling process

Thirugnanam, S.; Srinivasan, Ramachandran; Anand, Kshitij; Bhardwaj, Abhishek; Puthilibai, G.; Madhu, P.; Karthick, Alagar

doi:10.1016/j.matpr.2021.12.025

Cited by 12 publications

(3 citation statements)

References 31 publications

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“…For yield analysis, the obtained oil and char particles were weighed with the help of a digital weighing machine. e noncondensable gas fractions were found by remaining material balance [32].…”

Section: Pyrolysis Experimentmentioning

confidence: 99%

Flash Pyrolysis Experiment on Albizia odoratissima Biomass under Different Operating Conditions: A Comparative Study on Bio-Oil, Biochar, and Noncondensable Gas Products

Dhanalakshmi¹,

Kaliappan²,

Ali

et al. 2022

Journal of Chemistry

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This study deals with the flash pyrolysis of Albizia odoratissima biomass wastes at different temperature, sweep gas flow rate, and heating rate in a fluidized bed reactor. In the first phase of the experimental work, the effect of temperature (350–550°C) on product yield was analyzed, the second and third phases of the work were to analyze the effect of sweeping gas (N2), flow rate (1.25–2.25 m3/hr), and heating rate (20–40°C/min). The experimental works were carried out to get maximum bio-oil production. The experimental results demonstrated that the maximum yield of bio-oil was obtained at a temperature of 450°C, N2 flow rate of 1.75 m3/hr, and heating rate of 30°C/min. Temperature was found to be the crucial factor rather than sweep gas flow rate in the product distribution. Fourier transform infrared spectroscopy (FT-IR), gas chromatography mass spectroscopy (GC-MS), and elemental analysis were done on the obtained bio-oil, biochar, and noncondensable gas products. The heating value of the bio-oil and biochar was identified as 18.15 and 23.47 MJ/kg, respectively. The chemical analysis of the bio-oil showed that the oil is a mixture of phenol and oxygenated elements. The gas analyses showed that hydrogen and carbon dioxide were dominant, followed by carbon monoxide and methane.

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Section: Pyrolysis Experimentmentioning

confidence: 99%

Flash Pyrolysis Experiment on Albizia odoratissima Biomass under Different Operating Conditions: A Comparative Study on Bio-Oil, Biochar, and Noncondensable Gas Products

Dhanalakshmi¹,

Kaliappan²,

Ali

et al. 2022

Journal of Chemistry

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“…MDF emits free formaldehyde, which is a hazardous chemical that is harmful to human when breathed [3]. Hence, the firing of the waste MDF in an open air in oven has been banned in many countries [4]. Furniture manufacturers and designers are changing consumer behavior because they create a perception on the end users of a fashion product rather than a durable product, and therefore the lifespan of MDF panels is shorter than in the past.…”

Section: Introductionmentioning

confidence: 99%

Effect of Lignin Modification of Recycled and Fresh Wood Fibers on Physical, Mechanical, and Thermal Properties of Fiberboard

Gürsoy,

Ayrilmis

2023

Forests

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In this study, some physical properties; the thickness swelling, water absorption, surface absorption, formaldehyde emission, and some mechanical properties; internal bond strength, bending strength, bending modulus, and surface soundness of the MDF panels produced using recycled fibers obtained from the waste MDF and fresh wood fibers were investigated. Moreover, the effect of the kraft lignin modification to the recycled fibers and fresh fibers on the bond strength and mechanical properties of the MDF panels was determined. The results were compared with the MDF panels produced using fresh wood fibers. Although replacing fresh fiber with recycled fibers adversely affected the thickness swelling/water absorption (water resistance) and strength properties of fiberboard, the modification of the fibers using the lignin improved the properties of the fiberboard. The internal bond strength of the MDF produced with the 10 wt% recycled fibers modified at the 5 wt% and 7.5 wt% lignin contents was found to be higher than that of the specimens produced with 100 wt% fresh pine fibers. The formaldehyde emission of the MDF increased with increasing recycled fibers content. The lignin modification slightly decreased the formaldehyde emission of the MDF with the recycled fibers. Consequently, it can be said that the utilization of untreated recycled fibers decreased the mechanical properties of the MDF while the modification of these fibers using kraft lignin (5 wt% and 7.5 wt%) improved the mechanical properties, water resistance, and decreased formaldehyde emission of the MDF.

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“…Waste furniture woods are useful as feedstock in pyrolysis due to their higher lignocellulosic content [25]. Thirugnanam et al [26] carried out a pyrolysis experiments on waste medium-density fiberboard (MDF) with the aim of finding an appropriate recycling method. The findings indicate that pyrolyzing MDF may provide fuels while avoiding the environmental difficulties.…”

Section: Introductionmentioning

confidence: 99%

Green Catalytic Pyrolysis: An Eco‐Friendly Route for the Production of Fuels and Chemicals by Blending Oil Industry Wastes and Waste Furniture Wood

Gift¹,

Verma

Prasad

et al. 2022

Journal of Nanomaterials

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Lignocellulosic biomass is converted into liquid products through pyrolysis, which can be used as an alternative fuel for heating applications and industrial chemicals. Pyrolysis liquid is a mixture of many oxygenated fractions which deteriorates its burning properties. Through specific bond cleavage reactions like deoxygenation, cracking, and decarbonylation, catalysts in the pyrolysis process can be used to improve the quality of pyrolysis liquid. In this study, biochar produced by carbonization of printed circuit boards was used for catalytic reforming processes to produce energy-rich liquids and chemicals from a mixture of karanja seed oil cake and waste furniture wood. The catalytic process was performed by changing the reactor temperature from 300°C to 700°C at 50°C intervals. The results showed a maximum liquid oil recovery of 53.9 wt% at 500°C. Compared to the noncatalytic reaction, pyrolysis of biomass with biochar recovered 11.59% more liquid. This study demonstrated a viable technique to recover more liquid products and industrial chemicals by employing sustainable catalysts from e-waste. The physical analysis of the liquid showed that the liquid can be used as a fuel for boilers and furnaces. The chemical characterization through gas chromatography-mass spectroscopy (GC-MS) showed the presence of various chemical elements used for medicinal and industrial applications.

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Utilisation possibilities of waste medium-density fiberboard: A material recycling process

Cited by 12 publications

References 31 publications

Flash Pyrolysis Experiment on Albizia odoratissima Biomass under Different Operating Conditions: A Comparative Study on Bio-Oil, Biochar, and Noncondensable Gas Products

Flash Pyrolysis Experiment on Albizia odoratissima Biomass under Different Operating Conditions: A Comparative Study on Bio-Oil, Biochar, and Noncondensable Gas Products

Effect of Lignin Modification of Recycled and Fresh Wood Fibers on Physical, Mechanical, and Thermal Properties of Fiberboard

Green Catalytic Pyrolysis: An Eco‐Friendly Route for the Production of Fuels and Chemicals by Blending Oil Industry Wastes and Waste Furniture Wood

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