Resource quality of wood waste: The importance of physical and chemical impurities in wood waste for recycling

Faraca, Giorgia; Boldrin, Alessio; Astrup, Thomas Fruergaard

doi:10.1016/j.wasman.2019.02.005

Cited by 64 publications

(39 citation statements)

References 37 publications

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“…Considering the increasing attention brought to recycling and circular economy in Europe, wood waste can be seen as an important source of secondary raw materials. Furthermore, the great variety of wood type and its application make wood waste a very diverse material from the perspective of recycling [22].…”

Section: Products With High Added Valuementioning

confidence: 99%

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When Bioeconomy Development Becomes a Biomass Energy Competitor

Lauka

Slišāne

Ievina

et al. 2019

Environmental and Climate Technologies

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Biomass is an essential pillar of the bioeconomy as it serves as its main resource. Biomass energy plays an important role in energy sector. According to long wave theory, a sharp breakthrough in biotechnology is due over the next few years. As the price for energy wood increases, wood as a resource will not be sustainable in energy sector. In the case of Latvia, the price of energy wood as a resource is predicted to increase from 0.04 EUR/kWh to 0.12 EUR/kWh per unit of energy.

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Section: Products With High Added Valuementioning

confidence: 99%

“…Higher quality of wood waste could be achieved by improving separate collection, sorting and handling of wood waste. It is assumed that the production of chipboard will remain the primary option for wood waste recycling in the near future [22].…”

Section: Products With High Added Valuementioning

confidence: 99%

When Bioeconomy Development Becomes a Biomass Energy Competitor

Lauka

Slišāne

Ievina

et al. 2019

Environmental and Climate Technologies

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“…Currently, the minimum requirements for particleboards containing fine chips in this respect are set in Europe by the EN 312 standard [7]. Boards of this type can be successfully produced from various types of biomass, e.g., fragmented primary (forest) wood [8,9], secondary wood [10], or crop straw [11][12][13]; all types of resins, pure, modified, or hybrids, may be used to bond them [14][15][16][17][18][19]. Irrespective of the wood's origin, it is first fragmented into larger pieces, 30 to 60 mm in size and 3 to 9 mm in thickness (chips), and then into proper strands, 10 to 20 mm long, 3 to 10 mm wide, and 0.4 to 0.7 mm thick.…”

Section: Introductionmentioning

confidence: 99%

Effects of Chip Type on the Properties of Chip–Sawdust Boards Glued with Polymeric Diphenyl Methane Diisocyanate

Mirski¹,

Derkowski²,

Dziurka³

et al. 2020

Materials

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This study investigates the effects of chip type and sawdust percentage on physical and mechanical properties of chip–sawdust boards. The used wood chips varied in linear dimensions and original source. The origin determined the wood quality, which translated into the chips’ linear dimensions. The used materials were chips from sawmill waste processing, aggregate processing of sawmill wood, and chips intended for medium-density boards. The experiment demonstrated that the best boards in terms of mechanical properties were obtained from 4-mm-thick chips with 30% sawdust content and a density of 850 kg/m3. These boards meet the requirements of the EN 312 (2010) standard for P5 boards.

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“…Wood is a natural resource with a wide range of applications. From the total consumption of industrial roundwood approximately 16% is used for fuel . Wood burning generates about 6–10% ashes, with variable composition depending on the industrial process and geographical location .…”

Section: Introductionmentioning

confidence: 99%

A green approach for treatment of wastewater with manganese using wood ash

Moșoarcă

Vancea

Popa

et al. 2020

J of Chemical Tech & Biotech

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BACKGROUND: In the circular economy context, the present article proposes a green technical solution by manganese ions adsorption on oak wood ash and the reuse of the new waste generated by the adsorption process as soil amendment. RESULTS:The influence of the main process variables: pH, adsorbent dose and contact time was investigated for optimal manganese ions adsorption. The highest adsorption efficiency of the wood ash (more than 98%) was recorded at pH 6, adsorbent dose of 10 g L −1 and contact time 15 min. The ion adsorption process is best described by Langmuir isotherm and pseudo second-order kinetic model. Maximum adsorption capacity, 54.94 mg g −1 , is better than other adsorbent materials previously used for manganese adsorption. The exhausted wood ash, resulted after the manganese adsorption was used as soil amendment for barley crop, Hordeum vulgare L. The beneficial effect upon the studied plants was highlighted using the specific parameters: germination percent (up to 10% higher), plant average length (higher by 14-35%), biomass (up to 200%) and relative growth rate (higher by 6-12%) compared to those obtained for the control sample.CONCLUSION: These results show that all the wastes involved have been used successfully and support the proposed ecofriendly technical solution for some industrial wastes management.

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Resource quality of wood waste: The importance of physical and chemical impurities in wood waste for recycling

Cited by 64 publications

References 37 publications

When Bioeconomy Development Becomes a Biomass Energy Competitor

When Bioeconomy Development Becomes a Biomass Energy Competitor

Effects of Chip Type on the Properties of Chip–Sawdust Boards Glued with Polymeric Diphenyl Methane Diisocyanate

A green approach for treatment of wastewater with manganese using wood ash

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