• Gasification of oil palm empty fruit bunches A

    2012-4-1 · The values of activation energy increased from 61.14 to 73.76 and from 40.06 to 47.99 kJ/mol when the EFB particle size increased from 0.3 to 1.0 mm for holocellulose and lignin degradation stages respectively. The fuel characteristics of EFB are comparable to those of other biomasses and EFB can be considered a good candidate for gasification.

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  • BIOCHAR PARTICLE SIZE EFFECT ON SORPTION OF

    2020-6-5 · empty fruit bunch (EFB) oil palm kernel shell (KRN) rice husk (RH) and bamboo (BMB) which sieved into two groups with particle size of 1-2 mm and <0.3 mm. Biochar physical and chemical properties were determined. The ability of biochars to adsorb NH4 followed BMB > RH > EFB while no sorption was observed in KRN.

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  • Gasification of oil palm empty fruit bunches A

    2012-4-1 · The values of activation energy increased from 61.14 to 73.76 and from 40.06 to 47.99 kJ/mol when the EFB particle size increased from 0.3 to 1.0 mm for holocellulose and lignin degradation stages respectively. The fuel characteristics of EFB are comparable to those of other biomasses and EFB can be considered a good candidate for gasification.

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  • Investigation of the physical characteristics of washed

    2017-6-1 · Considering the importance of particle size on pellet strength the particle size distribution of the EFB samples were determined before the densification process. Sieves with mesh sizes of 710 500 and 300 μm were stacked on top of each other to obtain the particle size distribution.

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  • Effects of hydrothermal treatment and pelletizing

    2019-10-1 · The feed particle size distribution of the untreated and treated EFB samples was analyzed using the mechanical sieve analysis method. For each test 100 g of the sample was sieved with the mesh sizes of 2000 1180 600 300 150 75 and 53 μm.

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  • Characterization of Oil Palm Empty Fruit Bunches for Fuel

    2011-3-24 · The EFB used in the experiments were supplied by the Malaysian Palm Oil Board (MPOB). Samples received were relatively dry having less than 10 mf wt moisture and were in the form of whole bunches. Particle size reduction was required to allow fast pyrolysis of the EFB

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  • Effect of particle size on production of citric acid from

    Abstract. An investigation was carried out to evaluate the effect of different particle size of oil palm Empty Fruit Bunches (EFB) and their distribution as new substrate for the

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  • BIOCHAR PARTICLE SIZE EFFECT ON SORPTION OF

    2020-6-5 · empty fruit bunch (EFB) oil palm kernel shell (KRN) rice husk (RH) and bamboo (BMB) which sieved into two groups with particle size of 1-2 mm and <0.3 mm. Biochar physical and chemical properties were determined. The ability of biochars to adsorb NH4 followed BMB > RH > EFB while no sorption was observed in KRN.

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  • The Influence of Oil Palm Empty Fruit Bunch Fibre

    2019-6-5 · EFB fibre then reduced to particle by hammer milled and screened with size distribution about 20.5 passing 4 retained 7 mesh 33.8 passing 7 and retained 14 mesh 35.3 passing 14 and retained 80 mesh and the remainder for the next 10.4 represent dust that passing through 80 mesh.

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  • Raven and Conductex Carbon Blacks for Specialty

    2017-5-16 · PARTICLE SIZE is the primary influence on color properties. Particle size is measured by electron microscopy (EM). Mean particle size is cer-tified via statistical thickness surface area (STSA) correlation according to ASTM D3849-14. Smaller particle diameter gives rise to higher surface area and tinting strength. High

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  • BIOCHAR PARTICLE SIZE EFFECT ON SORPTION OF

    2020-6-5 · empty fruit bunch (EFB) oil palm kernel shell (KRN) rice husk (RH) and bamboo (BMB) which sieved into two groups with particle size of 1-2 mm and <0.3 mm. Biochar physical and chemical properties were determined. The ability of biochars to adsorb NH4 followed BMB > RH > EFB while no sorption was observed in KRN.

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  • Air gasification of empty fruit bunch for hydrogen-rich

    2011-2-1 · The second series of experiment was performed to establish the effect of feedstock particle size on the EFB gasification product yields. In this study the experiments were conducted by using three different feedstock particle size ranges namely <0.3 mm 0.3–0.5 mm and 0.5–1.0 mm with constant reactor temperature of 850 °C.

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  • K.Azduwin1 a M.J.M. Ridzuan2 b A.R.Mohamed1 c

    2016-5-6 · size EFB with size of <125-710 µm were performed. And for the second run four different EFB particle size of <125 125-250 250-500 and 500-710 µm were used to see the effect of particle size towards the product yield. The pH of the bio-oil produced was checked using pH meter to measure

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  • Raven and Conductex Carbon Blacks for Specialty

    2017-5-16 · PARTICLE SIZE is the primary influence on color properties. Particle size is measured by electron microscopy (EM). Mean particle size is cer-tified via statistical thickness surface area (STSA) correlation according to ASTM D3849-14. Smaller particle diameter gives rise to higher surface area and tinting strength. High

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  • Effects of hydrothermal treatment and pelletizing

    2019-10-1 · The feed particle size distribution of the untreated and treated EFB samples was analyzed using the mechanical sieve analysis method. For each test 100 g of the sample was sieved with the mesh sizes of 2000 1180 600 300 150 75 and 53 μm.

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  • Characterization of Oil Palm Empty Fruit Bunches for Fuel

    2011-3-24 · The EFB used in the experiments were supplied by the Malaysian Palm Oil Board (MPOB). Samples received were relatively dry having less than 10 mf wt moisture and were in the form of whole bunches. Particle size reduction was required to allow fast pyrolysis of the EFB

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  • Characterization of Oil Palm Empty Fruit Bunches for Fuel

    2011-3-24 · The distribution of feed particle size after grinding is shown in Figure 3. The ash content of each size fraction was determined using National Renewable Energy Laboratory (NREL) Standard Analytical Method LAP005 23 and the mass average of the size fractions of 5.39 compares well within the accuracy of the measurements with the original sample sent by MPOB which had an ash content

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  • Hydrothermal treatment of empty fruit bunch (EFB) aimed at

    2021-5-29 · Thus it is possible to infer that the particle size distribution obtained from the milling of the EFB had a strong influence on the differentiation of the thin sample in comparison to the medium and thick samples as each physical element present in the EFB had different resistances to the cutting force applied during milling.

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  • Methods of Estimating the Dustiness of Industrial

    2019-5-25 · The particle size distribution and concentration determine the risks. The dust liberation property of disperse particle systems so-called powders depends on a multitude of variables and also on the method and intensity of stress-ing. The present paper describes practically all the dust measuring methods published in literature.

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  • Empty Fruit Bunch (EFB) Scientific.Net

    The pyrolysis experiment of empty fruit bunch using vertical fixed-bed reactor was conducted at different pyrolysis temperature range from 300600 °C and the particle size of EFB was also varied from 125-250 μm with constant nitrogen flow rate of 100 cm 3 /min heating rate of 30 °C/min and 30 minutes hold time. For the effect of

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  • Investigation of the physical characteristics of washed

    2017-6-1 · Particle size distribution. Particle size is known to have a significant influence on pellet durability . Generally fine particles lead to higher durability. The particle size distributions of all of the samples are presented in Fig. 2. Larger particle sizes were found in the Raw-EFB while the representation of smaller particle sizes was seen

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  • A Characteristic Study of Nanocrystalline Cellulose and

    2018-5-28 · particles size from FE-SEM image. The result was supported by dynamic light scattering (DLS) to confirm the overall particle size distribution of NCC in a more quantitative way. Although theoretically feasible NCC extraction in large quantity with well size -controlled is very difficult (Shanmugarajah et. al. 2015) . Moreover the

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  • Effect of Particle Size on Production of Citric Acid from

    Effect of particle size distribution Inter particular spaces or porosity of substrate that depends on the particle size distribution is one of the parameters that govern the mass and heat transfer during the bioconversion of substrate. The 0.5 mm down graded EFB particle was evaluated with three particle size distributions such as well graded uniformly graded and gap graded.

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  • A Characteristic Study of Nanocrystalline Cellulose and

    2018-5-28 · particles size from FE-SEM image. The result was supported by dynamic light scattering (DLS) to confirm the overall particle size distribution of NCC in a more quantitative way. Although theoretically feasible NCC extraction in large quantity with well size -controlled is very difficult (Shanmugarajah et. al. 2015) . Moreover the

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  • Effects of Particle Size on Mechanical Properties of Oil

    The objective of the work reported is to study the effect of particle size on mechanical properties (flexural and tensile properties) of EFB-polyethylene composites. Three different particle sizes of EFB have been prepared using 0-150 Jlm 150-300 Jlm and 300-425 Jlm.

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  • Investigation of physicochemical properties of oil palm

    2020-1-11 · Particle size distribution of ground samples. Table 1 shows the particle size distribution of the ground OPB. The dried OPB samples were ground with a grinding machine equipped with a 2 mm size sieve. The determination of the particle size distribution showed that most of the ground OPB had particle sizes in the range of 0.30–1.18 mm except the OPSS which had a particle size of lower than

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  • Raven and Conductex Carbon Blacks for Specialty

    2017-5-16 · PARTICLE SIZE is the primary influence on color properties. Particle size is measured by electron microscopy (EM). Mean particle size is cer-tified via statistical thickness surface area (STSA) correlation according to ASTM D3849-14. Smaller particle diameter gives rise to higher surface area and tinting strength. High

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