Here, we systematically describe the changes in structure and properties of corn stover after ball milling as well as their influence on the following enzymatic saccharification and acid-catalyzed alcoholysis, with the aim of elucidating the relationships between structures, properties and deconstructable potential of lignocellulosic biomass ...
ods are ball milling, ultrasound, and microwave irradiations, which are considered novel approaches in reducing the over - ... 20] and microwave-assisted [21, 22] chemical pretreatment of lignocellulosic biomass. However, the potential of the ball milling technique for lignocellulosic biomass pretreatment has not been fully explored and not ...
Ball milling pretreatment was found to be an efficient method to promote the catalytic conversion of lignocellulosic biomass to ethylene glycol (EG). After 3–6 h ball milling of Miscanthus at 450 rpm, the EG yield reached about 52%, which is comparable to the result of pure cellulose conversion. The reasons of the promotion effect were investigated by …
Ball milling technology is the classical technology to isolate representative lignin in the cell wall of biomass for further investigation. In this work, different ball milling times were carried out on hardwood (poplar sawdust), softwood (larch sawdust), and gramineous material (bamboo residues) to understand the optimum condition to isolate …
The results obtained in this study showed that ball mill-treated oil palm biomass is a suitable pretreatment method for high conversion of glucose and xylose. Oil palm biomass, namely empty fruit bunch and frond fiber, were pretreated using a planetary ball mill. Particle sizes and crystallinity index values of the oil palm biomass were …
The combination of ultrafine ball milling and low-severity alkali treatment played a significant role in the cellulose supramolecular change, which can then be used for …
Pre-treatment ball milling of biomass and a solid catalyst has proven to improve solid-solid reactions. Thus, for example, the rate constant of hydrolysis of cellulose to oligomers using this mix-milling method was 13-fold higher than when individual milling was carried out .
In recent years, ball milling has been applied as an emerging technique to produce bioethanol from lignocellulosic biomass efficiently and in an environment-friendly manner.
In the present work, ball milling was applied for the pretreatment of lignocellulose to obtain high conversion and bio-oil yield in supercritical ethanol. Ball milling substantially decreased the crystallinity and particle size of lignocellulose, thereby improving its accessibility in ethanol solvent. An increased bio-oil yield of 59.2% was obtained for …
Ball milling is an effective method to alter the ultrastructure of lignocellulosic biomass. Our colleague showed that ball milling significantly decreases the particle …
Ball milling-treated bagasse and straw produced 78.7 and 72.1 and 77.6 and 56.8%, glucose and xylose, respectively. Kim et al. compared three different milling methods i.e., ball, attrition, and planetary milling. Attrition and planetary mills were found more effective in reducing the size of biomass as compared to ball milling.
A conventional method for the production of ChNFs relies upon the top-down approach that disintegrates chitin biomass aggregated through hydrogen bonds to obtain the desired nanofiber materials (Fig. 1) [21].This is typically achieved by (1) surface deacetylation of chitin molecules, followed by (2) mechanical homogenization (Fig. …
Not many references regarding rod milling and biomass processing for enzymatic production have been found. ... Ball mill and disc refiners are the most conventional mechanical size reduction machines applied on a laboratory scale, followed by knife and hammer mills. Regarding ball or disc milling, it can be stated that their use …
The economy of the bioethanol production process can be improved by increasing the initial solid content and reducing the reaction time. The enzymatic approach utilizing intermittent ball milling has been proposed as a viable solution to tackle these challenges effectively. This study demonstrated that intermittent ball milling during high …
Ball milling is an effective method to alter the ultrastructure of lignocellulosic biomass. Our colleague showed that ball milling significantly decreases the particle size and crystallinity of rice straw, meanwhile achieving an 82.71% glucose yield by enzymatic hydrolysis (EH) using 10 FPU g −1 dry solids for 48 h at 5% (w/v) solids loading ...
Different mechanical treatment of biomass can be achieved using various types of milling techniques, viz. ball milling, wet disk milling, two-roll milling, hammer milling, and rod milling ...
Ball milling pretreatment was found to be an efficient method to promote the catalytic conversion of lignocellulosic biomass to ethylene glycol (EG). After 3–6 h ball milling of …
In detail, we introduce ball milling to micronize agroforestry biomass into highly hydrolysable substrates before hydrolysis. The intrinsic properties of lignocellulose during micronization will be characterized to explore the effects of ball milling on its crystallinity change.
Production of 5-hydroxymethylfurfural (HMF) from cellulose has been expected for a long time, but most catalytic systems generally give low yield and selectivity due to the difficulty of balancing cellulose deconstruction with the uncontrollable degradation of the target product under harsh conditions. Here we show that the ball milling pretreatment could …
Hydrolysis of lignocellulosic biomass is important for isolation of glucose in a biorefinery. In this research, intermittent ball milling was applied to facilitate and enhance enzymatic hydrolysis of dilute acid-pretreated lignocellulosic biomass, with the highest glucose yield of 66.5% at a low enzyme dose (10 FPU g −1 glucan) over 24h. In …
Bamboo represents versatile biomass that has been widely used as building and decorative materials since ancient times [1]. Due to its relatively high strength and flexibility, ... The pre-treatment of acetic acid ball milling was also correlated with water absorption, the pre-treated sample absorbed water slower than the untreated sample ...
Effect of ball-milling pretreatment on pyrolysis characteristics of cellulose was studied by thermogravimetric analysis (TGA) at four different heating rates; 5, 10, 20, and 40 K/min. Variation in the thermal stability and activation energy of cellulose with ball-milling were calculated by TGA Kinetics using Kissinger, Kissinger–Akahira–Sunose, …
DOI: 10.1021/acssuschemeng.1c02270 Corpus ID: 238830812; Ball-Milling: A Productive, Economical, and Widely Applicable Method for Condensation of Biomass-Derived Aldehydes and Ketones at Mild Temperatures
Meanwhile, this work also found that the appropriate ball-milling before pyrolysis can effectively increase the limited diffusion current density of ORR in the alkaline solution. Abstract Nano-carbon oxygen reduction reaction (ORR) catalyst having a large N atoms content derived from biomass has been widely studied recently in fuel cells.
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 high-energy ball milling by manipulating the grinding media and processing time. The particle size distribution of the …
technologies, ball milling is an alternative pretreatment method for decrystallization of cellulose in bamboo shoot shell (BSS), ... milling to micronize agroforestry biomass into highly hydro-lysable substrates before hydrolysis. The intrinsic properties
Ball-milling can be a practical and low-cost alternative for zeolite modification in biomass valorization. It improves the accessibility of acid sites, allowing bulky molecules to react more easily. Considering the balance of accessibility and the number of acid sites, the milling time must be tailored to achieve higher accessibility and lower ...
From the review, ball milling such as planetary ball milling is an effective pretreatment method for reducing particle size, disrupting the structure of the biomass …
At present, biomass-derived porous carbon materials prepared from biomass waste as a carbon source have garnered attention due to … Biomass Straw-Derived Porous Carbon Synthesized for Supercapacitor by Ball Milling Materials (Basel). 2022 Jan 25;15(3):924. doi: 10.3390/ma15030924. ...
This study demonstrates that ultrafine ball milling of biomass with weak alkali treatment enables remarkable changes in cellulose …
The planetary ball mill achieves higher rotations and requires much energy; it has very low milling capacity due to the small containers and is not common on an industrial scale [5, 17, 22]. The tumbler ball mill, which was used in this work, is a very simple process that depends mainly on the time and balls and diameter of the container …
Ball milling mechanochemical pretreatment stands out as it can be used for biomass processing without the use of chemicals. This pretreatment is recognized to alter the organization of the biomass components and to reduce the degree of crystallinity of cellulose structure. In this context, the study of characterization techniques that identify …
tion and modification of cellulose from raw biomass under a mild alkali process was proposed. In our study, ball milling was applied to wheat straw prior to alkali treatment. With ball milling, ultrafine powder formed an amorphous microstructure and displayed a level of solubilization in aqueous NaOH higher than that of general ground samples.
Oil palm biomass, namely empty fruit bunch and frond fiber, were pretreated using a planetary ball mill. Particle sizes and crystallinity index values of the oil palm biomass were significantly reduced with extended ball mill processing time. The treatment efficiency was evaluated by the generation …
The stirred ball mill (SBM) is a custom-made prototype (IATE, INRAE, France) that consists of a 2 L-capacity grinding chamber in which a rotor operating at 330 ... In order to compare the three ball mills in terms of performance and practicality in lignocellulosic biomass milling, we assessed their productivity and speeds using two ...
Dry ball milling pretreatment promotes the deconstruction of biomass structure by mechanical energy from impact, compression, attrition, and shear between …
