Bibliografías temáticas / Carnauba straw s powder

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Literatura académica sobre el tema "Carnauba straw s powder"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 2 de febrero de 2022

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Artículos de revistas sobre el tema "Carnauba straw s powder"

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Pereira, Márcia Rodrigues, Jéssica Souza Marques, and José Luís Cardozo Fonseca. "Biocomposites based on chitosan and carnauba straw powder." Polímeros 24, no. 4 (2014): 446–52. http://dx.doi.org/10.1590/0104-1428.1551.

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Pereira, Jéssyca E. S., Alfredo J. F. Silva, Paula F. P. Nascimento, Ruan L. S. Ferreira, and Eduardo L. Barros Neto. "Carnauba straw powder treated with bentonite for copper adsorption in aqueous solution: isothermal, kinetic and thermodynamic study." Water Science and Technology 82, no. 10 (2020): 2178–92. http://dx.doi.org/10.2166/wst.2020.491.

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Abstract In this work, the natural and modified carnauba powder from the addition of bentonite was evaluated for the adsorption of Cu(II) ions in synthetic solution. The results showed that the carnauba powder treated with bentonite (CPTB) showed a better percentage of removal of Cu(II) ions when compared to natural carnauba powder (NCP). The best results for both adsorbents were obtained with pH 5. The adsorption kinetics was governed by the pseudo-second-order model for both bioadsorbents studied. While the isothermal behavior was governed by the Langmuir model and showed that the adsorption
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Ferreira da Silva, Alfredo José, Maria Carlenise Paiva de Alencar Moura, Erinéia da Silva Santos, Jéssyca Emanuella Saraiva Pereira, and Eduardo Lins de Barros Neto. "Copper removal using carnauba straw powder: Equilibrium, kinetics, and thermodynamic studies." Journal of Environmental Chemical Engineering 6, no. 6 (2018): 6828–35. http://dx.doi.org/10.1016/j.jece.2018.10.028.

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Chen, Li Ping, Yi Wen Duan, and Da Lai Si Qin. "Preparation of Acid-Treated Sunflower Straw Powder and Adsorption Behavior of Cr(VI) Ions onto it." Advanced Materials Research 550-553 (July 2012): 2361–64. http://dx.doi.org/10.4028/www.scientific.net/amr.550-553.2361.

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The adsorption of Cr6+ions by sulfuric acid -treated sunflower straw powder was investigated under batch mode. The influence of solution pH, adsorbent dosage, adsorbent particle size and temperature was studied. The results have shown that the absorbent was efficient, the removal ratio of Cr6+up to 99.5% with an adsorbent dosage of 8 g•L-1, a pH of 6.0, at 25°C and particle size in 80-100 mesh. The negative changes in free energy (△G) indicate that the adsorption is a spontaneous process, the positive values of the adsorption entropy △S indicate the increased randomness of the Cr6+on straw act
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Wang, Li Hong, Wei Ming Yi, Xue Yuan Bai, Yong Jun Li, and Hong Zhen Cai. "Measurements of Final Volatiles Yield of Biomass Devolatization at Flash Heating Rate." Advanced Materials Research 383-390 (November 2011): 4024–30. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.4024.

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Final volatiles yield of biomass devolatization at flash heating rate was determined via experiments. Samples of wheat straw and corn stalk powder were dispersed in the feeder and were carried by argon into the laminar entrained flow reactor. Flash devolatization of tiny biomass particles was accomplished in the moderate temperature reactor. Residue was collected and the ash content of it was detected in a thermo-grametric analyzer. Final volatiles yield was calculated using ash trace method. Altogether, 96 experiments (including repeat ones) of different reaction temperature (500, 550, 600, 6
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Varma V., Geetha, and Anil K. Misra. "Copper contaminated wastewater – An evaluation of bioremedial options." Indoor and Built Environment 27, no. 1 (2016): 84–95. http://dx.doi.org/10.1177/1420326x16669397.

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The potential of papaya leaf powder and paddy straw powder for copper(II) removal was evaluated from aqueous solution via column and batch adsorption studies. Batch adsorption studies were performed to determine the contact time effects, biosorbent dosage, pH and initial concentration of metal ion on adsorption capacity. Results showed approximately 90% to 95% of copper removal using both the adsorbents from the solution. As the amount of biosorbent increases, the biosorption capacity also increases. Findings indicate that pH is an important factor for metal ion biosorption and 7.0 is the opti
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El-Sayed, Saad A., and Mohammed Khairy Elsaid Mohamed. "Mechanical properties and characteristics of wheat straw and pellets." Energy & Environment 29, no. 7 (2018): 1224–46. http://dx.doi.org/10.1177/0958305x18772414.

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Wheat straw pellets can be easily handled, transported and stored with reduced costs as compared with the raw material. The effect of pelletization process and densification parameters on the properties of the mixture of wheat straw powder and 40% epoxy 1092 as a binder was investigated. The samples were compressed into pellets using the lab-scale hydraulic press under various compacting pressures of 10, 12 and 15 bars and different die shapes and sizes (two cylindrical dies with diameters 10 and 18 mm (S1, S2), respectively, and a new hexagonal die of side length (s) = 6 mm (S3)). It was foun
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Haque, MA, MM Ali, and MSH Bhuiyan. "Production of phospho-vermicompost by earthworms mediated bio-conversion of organic residues and rock phosphate." Progressive Agriculture 31, no. 3 (2021): 195–204. http://dx.doi.org/10.3329/pa.v31i3.52124.

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A glass house experiment was conducted to develop phospho-vermicompost using different combination of organic residues amended with rock phosphate and earthworms at the Soil Science Division, BINA, Mymensingh. The experiment was conducted in a Completely Randomized Design with eight treatments and three replications. The treatments were as T1:50% Cowdung (CD) + 50% Mustard straw (MST), T2:50% CD + 50% Water hyacinth (WH), T3:50% CD + 50% Rice straw (RST), T4:50% CD + 25% WH + 25% RST, T5:50% CD + 50% MST + 4% Rock phosphate (RP), T6:50% CD + 50% WH + 4% RP, T7:50% CD + 50% RST + 4% RP, T8:50%
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Ding, Fredrikus Ding, Helda Syahfari, and Marisi Napitupulu. "Effect of Urea and SP-36 on the Growth of Grafted Rubber Seedling (Hevea brasiliensis Muell.Arg.) Clone PB 260." AGRIFOR 18, no. 1 (2019): 97. http://dx.doi.org/10.31293/af.v18i1.4111.

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This study was conducted from February s / d May at the Institute for Agriculture and Technology (BPTP) East Kalimantan, this study aims to look at the different types of growing medium and the addition of TSP fertilizer in cultivation of oyster mushroom (Pleurotas astreatus) [Jacq FR] Kummer) .This research used Completely Randomized Design (CRD) factorial with two factors, factor 1: type of planting medium consisting of 2 treatment levels, namely (1. Straw Rice, 2. Powder Saws), 2: Type of fertilizer treatments consisting of 1 level namely (1. controls, 2. TSP 0.2%, 3. TSP 0.4%, 4. TSP 0.6%)
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"Effect of Mixing of Rice Straw to Enhance the Characteristics of Soil." International Journal of Innovative Technology and Exploring Engineering 9, no. 8 (2020): 656–58. http://dx.doi.org/10.35940/ijitee.h6538.069820.

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The foundation should have sufficient strength to support any land based structure. The soil surrounding the foundation plays a very important role. The strength of soil should be maintained according to the loading conditions. The soil reinforcement process helps to attain the required engineering properties in soil for the construction purpose. The necessity of enhancing soil properties came to the light from the beginning of construction work. Soil reinforcement was used in India in 1970’s but proper techniques and skilled labour was not available that's why in India ancient methods for soi
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Tesis sobre el tema "Carnauba straw s powder"

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Marques, J?ssica Souza. "Uso do p? da palha de carna?ba em comp?sitos de quitosana." Universidade Federal do Rio Grande do Norte, 2012. http://repositorio.ufrn.br:8080/jspui/handle/123456789/17655.

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Made available in DSpace on 2014-12-17T15:41:56Z (GMT). No. of bitstreams: 1 JessicaSM_DISSERT.pdf: 2134980 bytes, checksum: d9d14af471d3325a59885975b6f26a37 (MD5) Previous issue date: 2012-02-24<br>Coordena??o de Aperfei?oamento de Pessoal de N?vel Superior<br>In this work a biodegradable composite using the carnauba straw s powder as reinforcement on chitosan matrix polymeric were manufactured. Firstly, were carried out the chemistry characterization of the carnauba straw s powder before and after treatments with NaOH and hexane. Goering and Van Soest method (1970), flotation test, moistur
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