A ball mill assisted mechanochemical extraction method was developed to extract compounds of natural product (NP) from plant using ionic liquid (IL).
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In recent years, there has been an increasing interest in the application of mechanochemical methods for processing materials in biomass refining techniques [1,2]. ... Planetary ball mill: Extraction time and temperature reduction, the yield of platycodin D increasing ( ± compared to ± mg/g), water instead of organic ...
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Shi et al. (2019) proposed a feature extraction method based on fractional Fourier transform, in which adaptive filtering and feature extraction of vibration signals from both mill bearing and cylinder surface were performed to assess mill load. ... Load state identification method for ball mills based on improved EWT, multiscale fuzzy entropy ...
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Shi et al proposed a feature extraction method based on fractional Fourier transform (FrFT) to estimate the load of an industrial tubular ball mill, which was compared with MI and PCA feature extraction methods. The experimental results showed that the FrFT method can more effectively estimate the load parameters of the tubular ball mill in ...
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The ball mill is widely used in the mineral, cement and power plant industries, which consumes % the world's electrical energy (Schonert, 1979). However, most of the energy is wasted in producing noise and heat. ... Compared with some feature extraction methods and the performance of the proposed method in the Fourier domain ...
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Mechanochemicalassisted extraction (MCAE) and mechanochemicalassisted enzyme catalysis (MCAEC) methods were developed for extraction and enzymatic hydrolysis of calcium phytate from defatted rice bran, respectively. The MCAE conditions were optimized by response surface methodology: 10% sodium carbonate as the solid reagent, 33 min grinding time, 18:1 ballmaterial ratio, 330 rpm ball ...
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Load state identification method for ball mills based on improved EWT, multiscale fuzzy entropy and AEPSO_PNN classification. ... Gao,, Qing,, Wu, C., Li, X., 2020. Feature extraction method of ball mill load based on adaptive variational mode decomposition and improved power spectrum analysis. In: Proceeding of the physic conference ...
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The effect of extraction parameters, such as ball mill time, concentration of solid acid, reaction temperature and time on the morphology and yield of CNC were comprehensively studied. A relatively high yield of 59% and maximum degradation temperature of 332 °C was achieved by this novel solid acid hydrolysis method.
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The present work uses nonconventional methods for the efficient extraction of dried lemon balm aerial parts. Ultrasound and microwaveassisted extraction protocols were carried out, and their efficiency and selectivity have been compared. ... Dry extraction in ball mill. One gram of the rewetted vegetal material was cogrinded in the presence ...
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A new ballmill extraction method for solid dosage forms was developed. It was used for tablets, and compared with a conventional (powdering and sonication) method applied in pharmaceutical analysis of solid dosage forms. The ballmill sample preparation procedure is both quantitative and fast. No powdering, weighing and sonication steps are ...
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Ball milling and hotmelt extrusion coprocess. Mixture of the drug and polymer in 1: 1 ratio (w/w, 10 g: 10 g) was blended in a XQM4L vertical planetary ball milling prior to extrusion (Tianchuang Powder Technology Co. Ltd., Changsha, China). Each grinding tank (volume of 50 ml) was filled with agate grinding balls (8 mm φ, number: 12), the mass ratio of the ball and the mixture was nearly ...
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A "ligninfirst biorefinery" is a concept that has gained attention lately and focuses on the in situ depolymerization of lignin. 13 The concept can also include mild methods that directly target lignin moieties with desired properties for extraction from biomass, without the need to first completely degrade the wood. 14 Toward this goal, unders...
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Determining the Bond index using the Fred Bond method [1,2] is considered the stateoftheart methodology for mill calculations and a critical process parameter in raw materials selection and grinding process it is usually referred to as a standard test, no ISO (International Organization for Standardization) or ASTM (American Society for Testing and Materials) standard ...
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Finally, FWASVM is used to forecast the load parameters of ball mill. The proposed method provides a new approach of ball mill load forecasting. ... In order to highlight the superiority of the improved EWTRCMDE feature extraction method, four hybrid methods including improved EWTMSE, improved EWTMDE, EWTRCMDE, and improved EWTRCMDE are ...
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Nanocellulose extraction methods related to ball milling are emphasized. ... Planetary ball mill is a mechanical process originated from the collision between balls to balls and the friction of balls to the wall of milling jar which moved in rotation as shown in Fig. 8 [88], [89], [90]. The collision from the moving balls and jar led to the ...
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Here is the whole flotation process flow used in the extraction of silver: 1. Crushing stage: Under the action of vibrating feeder, the mined silver ore is sent to the jaw crusher evenly for ...
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Method two: Ball mill. The ball mill is a much more efficient way of homogenizing a large number of hair samples with adequate sample weight. ... Bligh EG, Dyer WJ (1959) A rapid method of total lipid extraction and purification. Can J Biochem Physiol 37:911917. CrossRef CAS Google Scholar Elliott KH, Davis M, Elliott JE (2013) Equations for ...
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Ball milling is a mechanical technique that is broadly used to grind powders into fine particles [134141]. The reactants are generally broken apart using solvent molecules in the traditional method; but in ball milling, reactants are broken by using mechanical forces. The term mechanochemistry has been introduced very recently [142].
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Ball mill vibration signal based datadriven soft measuring methods are a new focus due to the high sensitivity [6], [7], ... In our latent feature extraction based methods, only linear features of vibration frequency spectral segments are extracted, denoted as PLSBPNN and PLSLSSVM. The proposed nonlinear spectral feature extraction methods ...
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The results from the factorial ANOVA revealed that zirconia was significantly better than agate in terms of protein extraction efficiency using the planetary ball mill. However, the density of zirconia ( g/cm 3 ) is much higher than agate ( g/cm 3 ), and it has been observed that microalgal biomass and zirconia media do not mix well in ...
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The ball mill process parameters discussed in this study are ball to powder weight ratio, ball mill working capacity and ball mill speed. As Taguchi array, also known as orthogonal array design, adds a new dimension to conventional experimental design, therefore, Orthogonal array (L9) was carefully chosen for experimental design to understand ...
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Ballmills are categorized into four types depending on the motion generated to produce momentum in grinding balls and act upon the material with various milling forces. These are planetary, tumbling, vibratory, and attrition mills. Planetary ball mill. Planetary ball mills are simple and efficient in producing ground/pulverized material.
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The ball mill is widely used in the mineral, cement and power plant industries, which consumes % the world's electrical energy (Schonert, 1979). However, most of the energy is wasted in producing noise and heat. ... (PCA) based feature extraction method has been used widely in the industrial process (Kadlec, Gabrys, Strand, 2009).
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The current production method of nanobiochar (NBC), an emerging, environmentally friendly nanocarbon material, is tedious and lengthy. Therefore, in this study we aimed to improve the productivity of NBC via highenergy ball milling by manipulating the grinding media and processing time. The particle size distribution of the resulting NBC measured using dynamic light scattering showed that ...
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A material supplier from Belgium would like to produce limestone powder for his custome...
India is rich in various mineral resources and it is an important mineral processing market
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