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1. Influence of modified biochar supported sulfidation of nano-zero-valent-iron (S-nZVI/BC) on nitrate removal and greenhouse gas emission in constructed wetland

Author:
Fanlong Kong; Junru Wang; Weihao Hou; Yuqian Cui; Lihua Yu; Yi Zhang; Sen Wang
Source:
Journal of environmental sciences (China) 2023 v.125 pp. 568-581
ISSN:
1001-0742
Subject:
sawdust,   etc   ; Comamonas; biochar; constructed wetlands; denitrification; greenhouse gas emissions; greenhouse gases; methane production; methanotrophs; nitrates; oxidation; sludge; walnuts; China;     Show all 14 Subjects
Abstract:
... In this study, the biochar (BC) produced from sawdust, sludge, reed and walnut were used to support sulfidation of nano-zero-valent-iron (S-nZVI) to enhance nitrate (NO3−-N) removal and investigate the impact on greenhouse gas emissions. Batch experiment results showed the S-nZVI/BCₛₐwdᵤₛₜ ₍₂:₁, ₅₀₀₎, S-nZVI/BCₛₗᵤdgₑ ₍₂:₁, ₉₀₀₎, S-nZVI/BCᵣₑₑd ₍₂:₁, ₇₀₀₎, and S-nZVI/BC wₐₗₙᵤₜ ₍₂:₁, ₇₀₀₎ respectivel ...
DOI:
10.1016/j.jes.2022.02.040

2. Rapid conversion of alkaline bauxite residue through co-pyrolysis with waste biomass and its revegetation potential

Author:
Yujun Wu; Yufei Zhang; Qihou Li; Jun Jiang; Yifan Jiang; Shengguo Xue
Source:
Journal of environmental sciences (China) 2023 v.127 pp. 102-113
ISSN:
1001-0742
Subject:
sawdust,   etc   ; Lolium; X-radiation; X-ray photoelectron spectroscopy; air; alkalinity; bacterial communities; bauxite; biomass; calcite; clay; community structure; dust; humification; kaolinite; land restoration; leachates; organic carbon; pH; plant growth; pyrolysis; soil; soil formation; China;     Show all 24 Subjects
Abstract:
... The extreme alkalinity of bauxite residue (BR) leads to difficulty with its reuse. Alkaline leachate and dust generation during the stacking process can pollute surrounding soil, air and water. In this work, co-pyrolysis of bauxite residue and sawdust was applied to rapidly produce a soil-like matrix that met the conditions for plant growth as demonstrated by ryegrass pot experiments. The present ...
DOI:
10.1016/j.jes.2022.06.005

3. Bedding system influences lying behaviour in dairy cows

Author:
Katharine A. Leach; Gemma L. Charlton; Martin J. Green; Eliana Lima; Jenny Gibbons; David Black; Andrew J. Bradley
Source:
Veterinary record 2022 v.190 no.7 pp. e1066
ISSN:
0042-4900
Subject:
sawdust,   etc   ; hardness; sand;     Show all 3 Subjects
Abstract:
... BACKGROUND: The nature and depth of bedding material have an important influence on cow lying behaviour and comfort. Increasing use of recycled manure solids (RMS) as bedding led to an investigation of the influence of this material on cow lying behaviour. METHODS: Leg mounted accelerometers were used to estimate daily lying time and number and duration of lying bouts in four groups of 40 cows. Ea ...
DOI:
10.1002/vetr.1066

4. Semi-automatic detection and segmentation of wooden pellet size exploiting a deep learning approach

Author:
Roberto Pierdicca; Mattia Balestra; Giulia Micheletti; Andrea Felicetti; Giuseppe Toscano
Source:
Renewable energy 2022 v.197 pp. 406-416
ISSN:
0960-1481
Subject:
sawdust,   etc   ; energy density; wood;     Show all 3 Subjects
Abstract:
... The production of wood pellets was born as a response to the need to manage the residual sawdust of wood processing. Nowadays, the standard UNE EN ISO 17225-2:2021 determine the general requirements of the fuel specifications and their classes. Among these, the length of the pellet plays an important role in defining its behaviour in different contexts, starting from the way the spaces are occupie ...
DOI:
10.1016/j.renene.2022.07.109

5. Kinetic and thermodynamic studies of biomass pseudo-components under thermo-oxidative degradation conditions using asymmetric function of Bi-Gaussian as deconvolution technique

Author:
Weizhen Li; Yanqin Huang; Huacai Liu; Yan Zhang; Yang Jiang; Yan Wang; Junfeng Wan; Xiuli Yin
Source:
Renewable energy 2022 v.188 pp. 491-503
ISSN:
0960-1481
Subject:
sawdust,   etc   ; air; biomass; energy; renewable energy sources;     Show all 5 Subjects
Abstract:
... This work aimed at investigating the kinetic and thermodynamic characteristics of components of pine sawdust (PS), edible fungi spent substrate (FVSS) and their blend during thermo-oxidative degradation. The novelty focused on applying deconvolution technique to distinguish an overlapped peak into three individual peaks corresponding to pseudo-hemicellulose, pseudo-cellulose and pseudo-lignin, res ...
DOI:
10.1016/j.renene.2022.02.024

6. Residence time distribution and solids mixing of sawdust in a horizontal pulsed fluidized bed

Author:
Ruixu Wang; Ziliang Wang; Xiaotao Bi; C. Jim Lim; Shahabaddine Sokhansanj
Source:
Powder technology 2022 v.397 pp. 117006
ISSN:
0032-5910
Subject:
sawdust,   etc   ; biomass; fluidized beds; models; prototypes; torrefaction;     Show all 6 Subjects
Abstract:
... A prototype horizontal pulsed fluidized bed (HPFB) has been built for continuous biomass torrefaction in our lab. Solids residence time distribution (RTD) of hemlock sawdust in the HPFB reactor was measured to study particle transport and mixing using a pulse injection of particle tracer. Effects of weir height, gas pulsation frequency, solids feed rate and gas velocity were investigated. A modifi ...
DOI:
10.1016/j.powtec.2021.11.050

7. Efficient preparation of carbon nanospheres-anchored porous carbon materials and the investigation on pretreatment methods

Author:
Ruiyi Huang; Xiaohao Liu; Fenglei Qi; Liangyuan Jia; Dongzhen Xu; Lu Wang; Peiyong Ma
Source:
Bioresource technology 2022 v.344 pp. 126235
ISSN:
0960-8524
Subject:
sawdust,   etc   ; adsorption; biomass; chemical industry; graphene; nanospheres; temperature;     Show all 7 Subjects
Abstract:
... Manufacturing high-performance activated carbon (AC) materials from abundant biomass at low temperature and short activation time is targeted by the green and sustainable chemical industry. Here, a 1980 m²/g of carbon nanospheres-anchored porous carbon material (PHAC) derived from waste sawdust was prepared by a method of H₃PO₄ hydrothermal combined with fast activation at 450 °C within 2.8 min. I ...
DOI:
10.1016/j.biortech.2021.126235

8. Co-pyrolysis characteristics and kinetics of low metamorphic coal and pine sawdust

Author:
Pei Zhang; Zhaoyang Chen; Qiuli Zhang; Shuo Zhang; Xiaogang Ning; Jun Zhou
Source:
RSC advances 2022 v.12 no.34 pp. 21725-21735
ISSN:
2046-2069
Subject:
sawdust,   etc   ; activation energy; biomass; coal; pyrolysis; synergism; temperature; thermogravimetry;     Show all 8 Subjects
Abstract:
... Co-pyrolysis experiments with low metamorphic coal (LC) and pine sawdust (PS) were carried out in a fixed-bed pyrolysis reactor. The effect of biomass addition on the yield distribution and composition of the coal pyrolysis products was investigated. The pyrolysis behavior was studied by thermogravimetric analysis. The Coats–Redfern integral and Achar differential methods were used to study the me ...
DOI:
10.1039/d2ra02461f

9. Influence of asphalt-derived volatiles on property of the biochar from pyrolysis of sawdust

Author:
Chao Li; Yifan Sun; Guoming Gao; Li Qiu; Lijun Zhang; Dehua Dong; Shu Zhang; Xun Hu
Source:
Fuel processing technology 2022 v.234 pp. 107343
ISSN:
0378-3820
Subject:
sawdust,   etc   ; biochar; biomass; bitumen; carbonization; coal; graphene; phenolic compounds; pyrolysis;     Show all 9 Subjects
Abstract:
... Inorganics are an important fraction of coal and they could involve the in co-pyrolysis of biomass and coal. In this study, to exclude interference of inorganics of coal and focus on exclusively the potential interaction of the volatiles from coal with that from biomass, the co-pyrolysis of asphalt and sawdust was conducted. The hydrocarbon radicals from asphalt could interact with the sawdust der ...
DOI:
10.1016/j.fuproc.2022.107343

10. Comparative analysis of alkaline-extracted hemicelluloses from Beech, African rose and Agba woods using FTIR and HPLC

Author:
Victoria Ezinne Ottah; Arinze Linus Ezugwu; Tobechukwu Christian Ezike; Ferdinand Chiemeka Chilaka
Source:
Heliyon 2022 v.8 no.6 pp. e09714
ISSN:
2405-8440
Subject:
sawdust,   etc   ; Fagus; absorption; galactose; glucose; hemicellulose; industry; lignin; mannose; wood;     Show all 10 Subjects
Abstract:
... The vast application of hemicellulose in industry is greatly influenced by its chemical components. The current study focuses on identifying the chemical components of a high yield alkaline-extracted hemicellulose and characterization to serve as a guide for more specific and effective biotechnological uses. In this study we isolated hemicellulose from sawdust of three different wood species (Beec ...
DOI:
10.1016/j.heliyon.2022.e09714

11. Techno-economic analysis of sawdust and rice husk co-pyrolysis for bio-oil production

Author:
Nur Amal Fadhilah; Mohammad Nurul Islam; Roslynna Rosli
Source:
Bioresource technology reports 2022 pp. 101233
ISSN:
2589-014X
Subject:
sawdust,   etc   ; biofuels; feedstocks; fluidized beds; labor; nitrogen; pyrolysis; rice hulls; technology;     Show all 9 Subjects
Abstract:
... A techno-economic analysis of bio-oil production from co-pyrolysis of sawdust and rice husk blend was performed to assess the feasibility of scaling up the plant capacities. The analysis was conducted at plant capacities of 0.1 kg/h, 100 kg/h and 1000 kg/h in USD currency. Technology evaluation was based on an optimum bio-oil yield of 51.9 % and a blending ratio of sawdust to rice husk 50:50 using ...
DOI:
10.1016/j.biteb.2022.101233

12. Analysis of measuring methods of the concentration of methylene blue in the sorption process in fixed-bed column

Author:
P. Ostaszewski; O. Długosz; M. Banach
Source:
International journal of environmental science and technology 2022 v.19 no.1 pp. 1-8
ISSN:
1735-1472
Subject:
sawdust,   etc   ; adsorption; aqueous solutions; industry; ingredients; methylene blue; models; technology; wastewater;     Show all 9 Subjects
Abstract:
... The wastewater from industry is contaminated with dyes, which should be removed in order to prevent environmental damage. This paper presents a method for removing methylene blue from an aqueous solution using a fixed-bed adsorption process onto sawdust. In the article, the method of continuous measurement of methylene blue concentration in the process of sorption on sawdust was used. The results ...
DOI:
10.1007/s13762-021-03156-x

13. Evaluation of Selected Physical and Thermal Properties of Briquette Hardwood Biomass Biofuel

Author:
María Alejandra Ramírez-Ramírez; Artemio Carrillo-Parra; Faustino Ruíz-Aquino; Juan José Hernández-Solís; Luis Fernando Pintor-Ibarra; Nicolás González-Ortega; Rocio Orihuela-Equihua; Noel Carrillo-Ávila; José Guadalupe Rutiaga-Quiñones
Source:
BioEnergy research 2022 v.15 no.3 pp. 1407-1414
ISSN:
1939-1234
Subject:
sawdust,   etc   ; biofuels; biomass; carbon; compression strength; energy; hardwood; heat; lignocellulose; research;     Show all 10 Subjects
Abstract:
... Hardwood sawdust derived from primary wood processing was used to make adhesive-free briquettes in a hydraulic piston laboratory machine. For this purpose, 40 g of sawdust was used, and the conditions of the briquetting process were 5 min of pressing at 20 MPa and 50 °C. The results varied as follows: moisture (5.1 to 8.8%), density (1056.2 to 1208.8 kg m⁻³), volumetric expansion (3.3 to 38.9%), c ...
DOI:
10.1007/s12155-022-10391-8

14. Impact of zeolite amendment on composting of food waste digestate

Author:
M.K. Manu; Chen Wang; Dongyi Li; Sunita Varjani; Jonathan W.C. Wong
Source:
Journal of cleaner production 2022 v.371 pp. 133408
ISSN:
0959-6526
Subject:
sawdust,   etc   ; carbon; composting; composts; food waste; nitrogen; phytotoxicity; seed germination; zeolites;     Show all 9 Subjects
Abstract:
... Food waste digestate (FWD) is an organic waste characterized by high NH₄⁺-N content and its composting is challenging due to the higher NH₃ emission and nitrogen loss. In the present study, FWD was co-composted with sawdust and mature compost, and zeolite was used as a physical additive for nitrogen conservation. The results demonstrated that amending 5% and 10% zeolite reduced the NH₃ emission to ...
DOI:
10.1016/j.jclepro.2022.133408

15. Physical and mechanical characteristics of composite woods fiber-based polyester binders

Author:
A. D. Laksono; L. Ernawati; R. Abdullah; S. Hardianti; T. Agustina; M. P. D. Lubis; I. Y. Wardhani; N. H. Hassan
Source:
Journal of wood chemistry and technology 2022 v.42 no.5 pp. 371-380
ISSN:
1532-2319
Subject:
sawdust,   etc   ; electron microscopy; polyesters; sodium hydroxide; wood; wood chemistry; wood industry;     Show all 7 Subjects
Abstract:
... Renewable natural-based composite materials, including wood fibers and plants, represent emerging research interests that continue to be developed today. Among the 120 types of Indonesian wood traded, Sengon, Keruing, and Yellow Meranti are most widely used in the wood industry. The processing of wood produces end waste products, for example sawdust, which have the potential to be used as reinforc ...
DOI:
10.1080/02773813.2022.2113538

16. Development and characterization of sawdust and sisal fiber reinforced vegetable based polyurethane foam hybrid composites

Author:
Caroline Rodrigues Pereira de Paula; Rosilani Trianoski; Elaine Azevedo
Source:
Journal of natural fibers 2022 v.19 no.9 pp. 3265-3274
ISSN:
1544-046X
Subject:
sawdust,   etc   ; Agave sisalana; Pinus taeda; foams; furniture; polyurethanes; sisal; vegetable oil; vegetables;     Show all 9 Subjects
Abstract:
... Polyurethane foam derived from vegetable oils can be used as a matrix in composites with Pinus taeda sawdust and Agave sisalana fibers. The aim of this work was to obtain and characterize polyurethane foam composites derived from vegetable oil reinforced with Pinus taeda sawdust and dispersed sisal short fiber. The composites were produced in five different proportions and were analyzed by images, ...
DOI:
10.1080/15440478.2020.1841067

17. Dissolving pulp from eucalyptus sawdust for regenerated cellulose products

Author:
María Evangelina Vallejos; Graciela Viviana Olmos; María Claudia Taleb; Fernando Esteban Felissia; Nanci Vanesa Ehman; Maria Soledad Peresin; María Cristina Area; Mirtha Graciela Maximino
Source:
Cellulose 2022 v.29 no.8 pp. 4645-4659
ISSN:
0969-0239
Subject:
sawdust,   etc   ; Eucalyptus; aqueous solutions; cellulose; coagulation; cold; economic feasibility; polymerization; solubility; urea;     Show all 10 Subjects
Abstract:
... This study assesses the possibility of obtaining regenerated cellulose products (beads and films) from eucalyptus sawdust dissolving pulps produced by non-conventional processes, compared with a commercial dissolving pulp as a reference. Eucalyptus sawdust dissolving pulps were obtained by soda pulping followed by two TCF sequential bleaching processes OOpZ, and OOp, followed by a cold soda extrac ...
DOI:
10.1007/s10570-022-04581-y

18. Liberation of acetic acid from lignocellulose during sterilization and its inhibitory effect on Lentinula edodes

Author:
Ziyi Hu; Qinghao Fan; Nuolin Yang; Man Cui; Yingce Duan; Fan Yang; Jintao Li; Xiangli Wu; Ruiying Zhang
Source:
Scientia horticulturae 2022 v.306 pp. 111452
ISSN:
0304-4238
Subject:
sawdust,   etc   ; Carya cathayensis; Lentinula edodes; acetates; acetic acid; lignocellulose; mycelium; pH; trees;     Show all 9 Subjects
Abstract:
... The synthetic log method for cultivating Lentinula edodes is widely practiced worldwide. However, in some synthetic logs, the cultures of L. edodes grow slowly and may even not germinate after inoculation. This phenomenon has caused serious losses in production. The acetic anion formed in synthetic logs during sterilization was investigated in this study. It was found that the pH is a key factor i ...
DOI:
10.1016/j.scienta.2022.111452

19. Organic residues from agricultural and forest companies in Brazil as useful substrates for cultivation of the edible mushroom Pleurotus ostreatus

Author:
V. Viriato; M.R. Mäkelä; J.E. Kowalczyk; C.S. Ballarin; P.P. Loiola; M.C.N. Andrade
Source:
Letters in applied microbiology 2022 v.74 no.1 pp. 44-52
ISSN:
0266-8254
Subject:
sawdust,   etc   ; Eucalyptus; Pleurotus ostreatus; bark; culture media; forests; mushrooms; raw materials; Brazil;     Show all 9 Subjects
Abstract:
... We investigated whether highly available organic residues in Brazil can be used as substrates for the production of the oyster mushroom Pleurotus ostreatus, instead of the conventional cultivation using the eucalyptus sawdust substrate. We assessed the mushroom yield on 13 substrates, of which 12 were formulated with different concentrations of organic residues and one with pure eucalyptus sawdust ...
DOI:
10.1111/lam.13580

20. Production of Pellets from Furfural Residue and Sawdust Biomass: Effect of Moisture Content, Particle Size and a Binder on Pellet Quality and Energy Consumption

Author:
Imran Ahmed; Asif Ali; Babar Ali; Mahdi Hassan; Sakhawat Hussain; Hammad Hashmi; Zafar Ali; Ahsanullah Soomro; Kishan Mukwana
Source:
BioEnergy research 2022 v.15 no.2 pp. 1292-1303
ISSN:
1939-1234
Subject:
sawdust,   etc   ; bioenergy; biomass; energy; furfural; hardness; particle size; pelleting; research; water content;     Show all 10 Subjects
Abstract:
... Pelletization of low-value-added biomass materials such as furfural residue (FR) and sawdust was performed by using a lab-scale pelletizer. Effects of moisture content (MC), particle size, and a binder on quality parameters (e.g., pellet density, strength, and hardness) and on energy consumption were investigated. Quality of both kinds of biomass pellets was analyzed and compared. MC was found to ...
DOI:
10.1007/s12155-021-10335-8