lin et al 2018 ball milling palm

  • Dry ball milling and wet ball milling for fabricating

    Jul 04, 2018· Yttria-reinforced copper matrix composites were prepared by dry ball milling (DBM) and wet ball milling (WBM), respectively, followed by spark plasma sintering (SPS). It is to determine which milling process is better for fabricating Cu–Y2O3 composites. It is found that Cu–Y2O3 composites synthesized by DBM exhibit better densification, mechanical and electrical properties than those by

  • Cited by: 1
  • PEER-REVIEWED ARTICLE bioresources

    Lin et al. (2018). “Cellulose-based hydrogel, pulp fiber can decline rapidly in the ball mill (Schwanninger et al. 2004; Xu et al. 2013). In this paper, eucalyptus bleached chemical pulp was pretreated with a PFI beater and ball mill to enhance the reactivity of cellulose. The pretreated pulp powder was used as raw

  • Cited by: 2
  • Preparation of TiAl alloy powder by high-energy ball

    Mar 28, 2015· The results show that the alloy powders with the main intermetallic compounds of TiAl are obtained using Ti–Al powders and TiH 2 –Al powders after heated for 2 h at 500 °C, 3 h at 600 °C, and 3 h at 750 °C, respectively. The average grain sizes of alloy powder are about 45 and 20 μm with irregular shape, respectively.

  • Cited by: 7
  • Increased sugar yield from pre-milled Douglas-fir forest

    Mar 01, 2018· Ball milling process for bioconversion has been reported as an effective method that can increase amorphous cellulose regions which are not aligned parallelly. This results in providing better access to cellulose for hydrolysis (Barakat et al., 2014, Lin et al., 2010). Crystallinity index of control was 40.73 ± 0.88% while the range of

  • Cited by: 14
  • Effects of Temperature, Solution pH, and Ball-Milling

    Aug 01, 2020· Eighteen ball-milled (BM) biochars were then produced under different ball-milling conditions and examined for NSAIDs removal. Compared with unmilled biochars, BM-biochars produced under optimum conditions showed higher removal efficiencies. Electrostatic interaction and pore width of biochars greatly affected the NSAIDs adsorption onto biochars.

  • Author: Ran Luo, Xiaohui Li, Hongxia Xu, Yuanyuan Sun, Jichun Wu
  • Ball milling: a green technology for the preparation and

    The manufacturing and functionalization of cellulose nanocrystals by ball milling was also described by Lu et al., who reported the mechano-chemical treatment and esterification of bamboo fibres in the presence of 4-dimethylaminopyridine (DMAP) as a catalyst. 46 The cellulose bamboo pulp was ball milled with DMAP at 500 rpm for 1–3 hours.

  • Comparison of co-former performance in co-amorphous

    A co-former with good co-formability should be able to form co-amorphous systems with a large number of drugs within short milling time (e.g. if ball milling is used as the sample preparation method). For example, tryptophan has been shown to be a promising co-former with excellent co-formability in a previous study (Kasten et al., 2016).

  • Effect of graphite structures on the productivity and

    Liquid-phase exfoliation (LPE) is a promising technique for commercializing graphene production because of its simplicity and cost-effectiveness. However, the low yield of graphene in laboratory-scale production, less than 10 g/h, necessitates modifications to the process for it to be feasible for commercial applications. Natural graphite has various size distribution, crystallite sizes

  • Comparison of Trace Metals in Coastal Sediments Located

    Florida to the urban border of Palm Coast Florida. We selected our sampling sites by the dried subsamples were ground using a ball mill. All samples were subjected to X-Ray fluorescence to calculate the concentrations of the trace metals (Shackley, 2011). (Lin et al., 2013). For both sections, over 90% of samples were over the detection

  • Comparison of co-former performance in co-amorphous

    A co-former with good co-formability should be able to form co-amorphous systems with a large number of drugs within short milling time (e.g. if ball milling is used as the sample preparation method). For example, tryptophan has been shown to be a promising co-former with excellent co-formability in a previous study (Kasten et al., 2016).

  • Structural Features of High-Entropy HfTaTiNbZr Alloy

    Sep 03, 2020· The HfTaTiNbZr high-entropy alloy (HEA) of equimolar concentration is fabricated from powder components by high-energy ball milling (HEBM) and spark plasma sintering (SPS). The treatment of the initial powders was performed in a planetary high-energy ball mill for 20, 40, 60, and 90 min. It is shown based on the studied surface morphology, microstructure, and phase composition of

  • Ball-milled biochar for alternative carbon electrode

    Ball-milled biochars (BM-biochars) were produced through ball milling of pristine biochars derived from different biomass at three pyrolysis temperatures (300, 450, and 600 °C). The results of scanning electron microscopic (SEM), surface area, hydrodynamic diameter test, and Fourier transform infrared spectroscopy (FTIR) revealed that BM-biochars had smaller particle size (140–250 nm

  • Structural Degradation of Layered Cathode Materials in

    Nov 30, 2019· Layered LiNi 0.4 Mn 0.4 Co 0.18 Ti 0.02 O 2 cathode powders were ball-milled for various lengths of time. The structural properties of the pristine and milled powders, which have different particle sizes were examined with X-ray diffraction, soft X-ray absorption spectroscopy, and transmission electron microscopy to determine the effect of milling on structure.

  • Synthesis, Morphology, and Hydrogen Absorption Properties

    Figures 2 and 3 are the SE-SEM and BSE-SEM images of the TiVMn and TiCrMn nanoalloy samples at different magnifications (400x to 10,000x). From these two figures, we may see the size and morphology of the two obtained samples after ball milling synthesis process. From Figures 2(a) and 2(b), we can see that both of the two samples show uniform morphology in a large range (ca. 300 μm × 200 μm).

  • Ball milling: a green technology for the preparation and

    In contrast, Nuruddin et al. applied ball milling after chemical treatments. 52 The cellulose used as a starting material in this case was extracted from wheat straw and kenaf fibers via formic acid/peroxyacetic acid and hydrogen peroxide treatment. Milling was then performed in 80% ethanol for 30–120 minutes using a high-energy ball mill.

  • Redox reactions of small organic molecules using ball

    Dec 20, 2019· Mixing solid reactants in a ball mill is a promising means of avoiding the copious solvent waste associated with most chemical syntheses. Kubota et al. now report that adding a piezoelectric catalyst to the mix can promote bond formation through apparent electron transfer cycles (see the Perspective by Xia and Wang). Specifically, barium titanate activates aryl diazonium salts toward

  • Mechanochemical Kilogram-Scale Synthesis of Noble Metal

    Noble metal single-atom catalysts are attractive materials due to their high atom utilization, unique electronic/geometric structure, and competitive catalytic performance in a series of industrially important reactions. He et al. demonstrate the simple, highly efficient, and readily scalable mechanochemical synthesis of a range of single-atom catalysts and single-atom alloys.

  • Comparison of Trace Metals in Coastal Sediments Located

    Florida to the urban border of Palm Coast Florida. We selected our sampling sites by the dried subsamples were ground using a ball mill. All samples were subjected to X-Ray fluorescence to calculate the concentrations of the trace metals (Shackley, 2011). (Lin et al., 2013). For both sections, over 90% of samples were over the detection

  • High-surface-area corundum by mechanochemically induced

    Oct 25, 2019· Corundum (α-Al 2 O 3) in high-surface-area nanoparticle (NP) form (1, 2) would enable a number of applications.For example, in auto-exhaust catalysis, gamma alumina (γ-Al 2 O 3) is used in wash-coat formulations, but α-Al 2 O 3 has higher mechanical stability and could be used directly as support without wash coating if available as NPs (3, 4).It could also provide improved hydrothermal

  • Recent Strategies in Preparation of Cellulose Nanocrystals

    Kekäläinen et al. used ball milling technology to mill never-dried bleached hardwood kraft pulp with high solid contents (⩾50%) to give CNFs with the diameter of 3.2 nm and the bundles of nanofibrils with the diameter of 10–150 nm . 3.1.4. Twin-Screw Extrusion Method. Twin-screw extrusion is another method for CNFs production.

  • Scalable exfoliation and gradable separation of boric-acid

    Apr 30, 2019· The exfoliation and functionalization of BNNSs were prepared via a one-step ball-milling process using commercially available bulk h-BN (Zibo Jonye Ceramics Techonology Co. Ltd) and BA as raw materials.Typically, a mixed powder consisting of h-BN and BA, with a mass ratio of 1:4, was placed into a sealed agate-ball-grinding tank.The ball milling was conducted under a rotation speed of 200

  • Ag-Introduced Antibacterial Ability and Corrosion

    Bone implants are expected to possess antibacterial ability and favorable biodegradability. Ag possesses broad-spectrum antibacterial effects through destroying the respiration and substance transport of bacteria. In this study, Ag was introduced into Mg-3Zn-0.5Zr (ZK30) via selective laser melting technology. Results showed that ZK30-Ag exhibited a strong and stable antibacterial activity

  • 2D Materials IOPscience

    Vol 5, 2018 Vol 4, 2017 Vol 3, 2016 Vol 2, 2015 Vol 1, 2014. RSS feed. Sign up for new issue notifications ball milling, microfluidization, and wet-jet milling. It allows sorting by size and thickness. Inks formulated from GRM dispersions can be printed using a number of processes, from inkjet to screen printing. Zhong Lin et al 2016 2D

  • Synthesis, Morphology, and Hydrogen Absorption Properties

    Figures 2 and 3 are the SE-SEM and BSE-SEM images of the TiVMn and TiCrMn nanoalloy samples at different magnifications (400x to 10,000x). From these two figures, we may see the size and morphology of the two obtained samples after ball milling synthesis process. From Figures 2(a) and 2(b), we can see that both of the two samples show uniform morphology in a large range (ca. 300 μm × 200 μm).

  • Cited by: 4
  • Electro‐Mechanochemical Atom Wiley Online Library

    Additionally, ball milling with multiple balls (that is, eight milling balls of 5 mm in diameter) enabled reducing the amount of tet‐BaTiO 3 from 40 wt % to 10 wt % without affecting the yield of the ATRC reaction in the mixer mill (Table 2, entries 6 and 7).

  • Cited by: 1
  • Mechanochemical Kilogram-Scale Synthesis of Noble Metal

    Noble metal single-atom catalysts are attractive materials due to their high atom utilization, unique electronic/geometric structure, and competitive catalytic performance in a series of industrially important reactions. He et al. demonstrate the simple, highly efficient, and readily scalable mechanochemical synthesis of a range of single-atom catalysts and single-atom alloys.

  • Cited by: 17
  • Advanced SEM and TEM Techniques Applied in Mg-Based

    Similarly, Kim et al. also prepared the NbF 5-doped MgH 2 by ball milling and then studied the microstructural changes in the desorption process of the as-prepared sample by in situ TEM. Results showed that the amorphous Nb-F thin layer contacted the MgH 2 phase at 25°C, while the amorphous Nb-F layer was transformed to a metallic Nb

  • Cited by: 7
  • Scalable exfoliation and gradable separation of boric-acid

    Jul 01, 2019· Yu C et al 2018 One-step in situ ball milling synthesis of polymer-functionalized few-layered boron nitride and its application in high thermally conductive cellulose composites ACS Appl. Nano Mater. 9 4875–83. Crossref Google Scholar

  • Cited by: 10
  • Machine-learning for automatic prediction of flatness

    Sep 03, 2020· As such, the appropriate compensation should be considered in modeling the flatness in face milling operation. Also, periodically, the worn cutting tool insert should be replaced—provided the maximum flatness deviation is yet to reach (Mikołajczyk et al. 2018; García-Ordás et al. 2018; Rodrigues et al

  • Analysis of Oil Palm Leaf Phyllotaxis towards Development

    Matured oil palm FFB can be determined with the presence of loose fruits. Loose fruits scattered on the ground is a sign of a ripened bunch. As low as one detached loose fruit is enough to decide that the bunch is matured (Kassim et al., 2014; Ghani et al., 2004). Once the oil palm bunch is matured, the number of loose fruits detaching from the

  • Biomaterial from Oil Palm Waste: Properties

    They successful reduce the size with ball mill process for 30 hours. Saba et al. investigated nanoparticles from EFB with physical treatment and chemical treatment. To reduce macromolecular size to nano-size used high energy ball mill. Nasir et al. succeeded to produce reduced rapheme oxide from rapheme oxide using OPL, PKS and EFB.

  • Recent Strategies in Preparation of Cellulose Nanocrystals

    AbstractIntroductionPreparation of Cellulose NanocrystalsProduction of Cellulose NanofibrilsConclusionsConflicts of InterestAcknowledgmentsThe recent strategies in preparation of cellulose nanocrystals (CNCs) and cellulose nanofibrils (CNFs) were described. CNCs and CNFs are two types of nanocelluloses (NCs), and they possess various superior properties, such as large specific surface area, high tensile strength and stiffness, low density, and low thermal expansion coefficient. Due to various applications in biomedical engineering, food, sensor, packaging, and so on, there are many studies conducted on CNCs and CNFs. In this review, v
  • Colorimetric Method for Determination of Sugars and

    Jie Gao, Lianzhu Lin, Zijie Chen, Yongjian Cai, Chuqiao Xiao, Feibai Zhou, Baoguo Sun, Mouming Zhao. In Vitro Digestion and Fermentation of Three Polysaccharide Fractions from Laminaria japonica and Their Impact on Lipid Metabolism-Associated Human Gut Microbiota.

  • PEER-REVIEWED ARTICLE bioresources

    The air-dried oil palm empty fruit bunch (OPEFB) was ground (20-to 60-wire mesh) using a ball mill. It was then dried overnight at 105 °C in a laboratory oven prior to the liquefaction process. The mass ratio between dried OPEFB and the used solvent was 1:10, in which 3% of the sulfuric acid (based on the solvent content) was added.

  • Preparation and characterization of zerovalent iron

    Vietnam Journal of Chemistry Hoang Anh Son et al. 227 © 2018 Vietnam Academy of Science and Technology, Hanoi & Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim vjc

  • A high-entropy alloy with hierarchical nanoprecipitates

    The bulk Fe 25 Co 25 Ni 25 Al 10 Ti 15 samples were synthesized via MA followed by SPS. A high-energy planetary ball-milling machine was used to perform the MA process. Blended elemental powders of Fe, Co, Ni, Al, and Ti (purity of >99.7 weight % and particle sizes of ≤45 μm), and tungsten carbide balls were placed in a stainless steel vial.

  • Palm kernel meal Feedipedia

    The Oil Palm TreePalm Oil and Palm Kernel Oil ExtractionOil Palm Processing By-ProductsThe oil palm is an evergreen monoecious tree, 18 to 30 m tall (Ecocrop, 2011; Ataga et al., 2007). Though the tree can live up to 200 years, its productive life is about 25-35 years as older trees are too tall and impractical to harvest (Ecocrop, 2011). The tree has a stout trunk, up to 75 cm in diameter, a crown made of 40-100 fronds (leaves) spirally arranged at the top, and an adventitious root system (Rossin, 2009; Ataga et al., 2007)See more on feedipedia