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- Author:
- Abhishek Mandal; Neera Singh; T.J. Purakayastha
- Source:
- Science of the total environment 2017 v.577 pp. 376-385
- ISSN:
- 0048-9697
- Subject:
- Eucalyptus; acid treatment; adsorbents; adsorption; atrazine; bamboos; bark; biochar; corn cobs; imidacloprid; models; pH; pesticide industry; phosphoric acid; pyrolysis; rice hulls; rice straw; sorption isotherms; wastewater; water purification
- Abstract:
- ... Agri-wastes biochars viz. eucalyptus bark (EBBC), corn cob (CCBC), bamboo chips (BCBC), rice husk (RHBC) and rice straw (RSBC) and acid treated RSBC (T-RSBC), were characterized for their physico-chemical properties and sorption behaviour of atrazine and imidacloprid was studied. Kinetics study suggested that except atrazine adsorption on RSBC, which was best explained by the pseudo second order m ...
- DOI:
- 10.1016/j.scitotenv.2016.10.204
- https://doi.org/10.1016/j.scitotenv.2016.10.204
- Author:
- Jorge Santos; Gervasio Antorrena; M. Sonia Freire; Antonio Pizzi; Julia González-Álvarez
- Source:
- European journal of wood and wood products 2017 v.75 no.1 pp. 89-100
- ISSN:
- 0018-3768
- Subject:
- Castanea sativa; Eucalyptus; adhesives; bark; chestnut shells; formaldehyde; gels; lignocellulosic wastes; pH; particleboards; spectroscopy; tannins; wood
- Abstract:
- ... The aim of this work was the formulation of adhesives for particleboards based on tannins extracted from industrial lignocellulosic wastes, namely chestnut shell, chestnut bur and eucalyptus bark. The interest was centred on the possibility of completely removing formaldehyde from adhesive formulations. For this, hardener alternatives to formaldehyde were used: tris(hydroxymethyl)nitromethane (TRI ...
- DOI:
- 10.1007/s00107-016-1054-x
- https://doi.org/10.1007/s00107-016-1054-x
- Author:
- N.N. Chen; M.Q. Chen; B.A. Fu; J.J. Song
- Source:
- Energy 2017 v.121 pp. 726-738
- ISSN:
- 0360-5442
- Subject:
- Eucalyptus; Populus tomentosa; activation energy; bark; biomass; briquettes; cotton; drying; heat transfer; infrared radiation; irradiation; leaves; models; specific energy; temperature
- Abstract:
- ... Infrared radiation drying behaviors of four typical biomass briquettes (populus tomentosa leaves, cotton stalk, spent coffee grounds and eucalyptus bark) were investigated based on a lab-scale setup. The effect of radiation source temperatures (100–200 °C) on the far-infrared drying kinetics and heat transfer of the samples was addressed. As the temperature went up from 100 °C to 200 °C, the time ...
- DOI:
- 10.1016/j.energy.2017.01.054
- https://doi.org/10.1016/j.energy.2017.01.054
- Author:
- J. Solar; A. Hernandez; A. Lopez-Urionabarrenechea; I. de Marco; A. Adrados; B. M. Caballero; N. Gastelu
- Source:
- European journal of wood and wood products 2017 v.75 no.4 pp. 485-497
- ISSN:
- 0018-3768
- Subject:
- Eucalyptus; bark; biomass; charcoal; heat; heat treatment; hydrogen; leaves; olives; pyrolysis; raw materials; temperature; trees; vapors; wastes; wood; Spain; Uruguay
- Abstract:
- ... This paper assesses the feasibility of producing a metallurgical quality charcoal (biocoke) through slow high temperature pyrolysis of woody biomass. The samples used for the experiments were different types of olive wood biomass from southern Spain as well as eucalyptus trunks from Uruguay. The experiments were conducted in a two-step process: a pyrolysis semi-batch reaction at 750 °C and 3 °C/mi ...
- DOI:
- 10.1007/s00107-016-1089-z
- https://doi.org/10.1007/s00107-016-1089-z
- Author:
- Sergio Alegre Prats; João Rafael Abrantes; Isabela P. Crema; Jacob J. Keizer; João L.M.P. de Lima
- Source:
- Forest ecology and management 2017 v.396 pp. 102-112
- ISSN:
- 0378-1127
- Subject:
- Eucalyptus; application rate; bark; cost effectiveness; fires; interrill erosion; leaching; loamy sand soils; mulching; plant residues; rain; rainfall simulation; rill erosion; risk; runoff; summer
- Abstract:
- ... Post-fire forest residue mulching using eucalypt bark strands have been proven effective for reducing hillslope runoff and erosion in field plots of different sizes (0.25–100m2). Application rates of around 8–10Mgha−1 achieved about 80% protective soil surface. Lower application rates, however, would reduce costs and, possibly, allow faster application, which could be especially critical in late s ...
- DOI:
- 10.1016/j.foreco.2017.04.019
- https://doi.org/10.1016/j.foreco.2017.04.019
- Author:
- Apri Heri Iswanto; Wulandhari Aritonang; Irawati Azhar; Supriyanto; Widya Fatriasari
- Source:
- Journal 2017 v.14 no.1 pp. 1-8
- ISSN:
- 0972-172X
- Subject:
- Eucalyptus; bagasse; bamboos; bark; bending strength; biomass; cellulose; durability; mixing; modulus of elasticity; modulus of rupture; ovens; particleboards; raw materials; urea formaldehyde; water content; wood
- Abstract:
- ... The decrease of wood supply leads to find out the alternative raw material for particleboard production derived from non-woody cellulose materials, one of the promising material is sorghum bagasse. However, the strength properties of particleboard manufactured from this biomass tend to be low. This research was to evaluate physical, mechanical and durability properties of sorghum bagasse-particleb ...
- DOI:
- 10.1007/s13196-016-0181-7
- https://doi.org/10.1007/s13196-016-0181-7
7. Agro-waste biosorbents: Effect of physico-chemical properties on atrazine and imidacloprid sorption
- Author:
- Abhishek Mandal; Neera Singh; Lata Nain
- Source:
- Journal of environmental science and health 2017 v.52 no.9 pp. 671-682
- ISSN:
- 1532-4109
- Subject:
- Eucalyptus; adsorbents; adsorption; atrazine; bamboos; bark; biosorbents; corn cobs; electrostatic interactions; fractal dimensions; imidacloprid; rice hulls; rice straw; sorption isotherms; surface area
- Abstract:
- ... Low cost agro-waste biosorbents namely eucalyptus bark (EB), corn cob (CC), bamboo chips (BC), rice straw (RS) and rice husk (RH) were characterized and used to study atrazine and imidacloprid sorption. Adsorption studies suggested that biosorbents greatly varied in their pesticide sorption behaviour. The EB was the best biosorbent to sorb both atrazine and imidacloprid with K F values of 169.9 an ...
- DOI:
- 10.1080/03601234.2017.1331677
- https://doi.org/10.1080/03601234.2017.1331677
- Author:
- Saskia Grootemaat; Ian J. Wright; Peter M. van Bodegom; Johannes H. C. Cornelissen; Veronica Shaw
- Source:
- Australian journal of botany 2017 v.65 no.4 pp. 327-338
- ISSN:
- 0067-1924
- Subject:
- Eucalyptus; bark; carbon; flammability; forest trees; forests; interspecific variation; leaves; lignin; plant litter; plantations; risk; wildfires
- Abstract:
- ... Bark shedding is a remarkable feature of Australian trees, yet relatively little is known about interspecific differences in bark decomposability and flammability, or what chemical or physical traits drive variation in these properties. We measured the decomposition rate and flammability (ignitibility, sustainability and combustibility) of bark from 10 common forest tree species, and quantified co ...
- DOI:
- 10.1071/BT16258
- https://doi.org/10.1071/BT16258
- Author:
- Bharat Choudhary; Debajyoti Paul; Abhas Singh; Tarun Gupta
- Source:
- Environmental science and pollution research international 2017 v.24 no.20 pp. 16786-16797
- ISSN:
- 0944-1344
- Subject:
- Eucalyptus; Fourier transform infrared spectroscopy; X-radiation; X-ray photoelectron spectroscopy; bark; biochar; biomass; carcinogenicity; chromium; dissolved organic matter; electrolytes; electrostatic interactions; groundwater; leather tanning; pH; pyrolysis; remediation; soil pollution; sorption; wastewater
- Abstract:
- ... Chromium pollution of soil and water is a serious environmental concern due to potential carcinogenicity of hexavalent chromium [Cr(VI)] when ingested. Eucalyptus bark biochar (EBB), a carbonaceous black porous material obtained by pyrolysis of biomass at 500 °C under oxygen-free atmosphere, was used to investigate the removal of aqueous Cr(VI) upon interaction with the EBB, the dominant Cr(VI) re ...
- DOI:
- 10.1007/s11356-017-9322-9
- https://doi.org/10.1007/s11356-017-9322-9
- Author:
- Luís F.J. Almeida; Luís C.C. Hurtarte; Ivan F. Souza; Emanuelle M.B. Soares; Leonardus Vergutz; Ivo R. Silva
- Source:
- Geoderma 2017 pp. -
- ISSN:
- 0016-7061
- Subject:
- isotope labeling; lipids; carbon sequestration; plant organs; roots; soil separates; acetone; carbon dioxide; greenhouse gas emissions; headspace analysis; sulfuric acid; tetramethylammonium compounds; ecosystems; leaves; gas chromatography-mass spectrometry; Eucalyptus; soil organic matter; soil sampling; water holding capacity; branches; temperature; fractionation; Ferralsols; plant litter; particle size; topsoil; solvents; bark
- Abstract:
- ... Linking plant litter biochemistry, its decomposition and soil organic matter (SOM) formation is not straightforward. In this research, we evaluated the decomposition of four biochemical fractions operationally defined as i) hot-water extractable (HWE), ii) total solvent (acetone) extractable (TSE), iii) acid-base (HNO3-KOH) unhydrolyzable cellulosic fraction (CF), and iv) acid (H2SO4) unhydrolyzab ...
- DOI:
- 10.1016/j.geoderma.2017.10.004
- https://doi.org/10.1016/j.geoderma.2017.10.004
11. Vegetation, fire and soil feedbacks of dynamic boundaries between rainforest, savanna and grassland
- Author:
- Harry J. MacDermott; Roderick J. Fensham; Quan Hua; David M. J. S. Bowman
- Source:
- Austral ecology 2017 v.42 no.2 pp. 154-164
- ISSN:
- 1442-9985
- Subject:
- Araucaria bidwillii; Araucaria cunninghamii; Eucalyptus; bark; biogeochemical cycles; burning; canopy; carbon; conifers; ecosystems; fire resistance; flammability; fuels; fuels (fire ecology); grasses; grasslands; highlands; landscapes; leaves; mechanics; microclimate; mountains; nitrogen; phosphorus; rain forests; risk; savannas; soil; soil nutrients; soil quality; species diversity; stems; trees; Queensland
- Abstract:
- ... At fine spatial scales, savanna‐rainforest‐grassland boundary dynamics are thought to be mediated by the interplay between fire, vegetation and soil feedbacks. These processes were investigated by quantifying tree species composition, the light environment, quantities and flammability of fuels, bark thickness, and soil conditions across stable and dynamic rainforest boundaries that adjoin grasslan ...
- DOI:
- 10.1111/aec.12415
- https://doi.org/10.1111/aec.12415