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nanocellulose from rice husk aug

Rice husk based nanocellulose scaffolds for highly

The maximum adsorption capacity of rice husk based CNFs was found to be the highest in the nanocellulose suspension, i.e., 193.2 mg g −1 for Pb(II) and 100.7 mg g −1 for La(III). The separation of the used adsorbent in the suspension was further facilitated by the gelation of the CNFs and metal cations, where the resulting floc could be removed by gravity-driven filtration. The absorption

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NANOCELLULOSE FROM RICE HUSK FOLLOWING ALKALINE

Ludueña et al. (2011). “Nanocellulose from rice husk,” BioResources 6(2), 1440-1453. 1440 NANOCELLULOSE FROM RICE HUSK FOLLOWING ALKALINE TREATMENT TO REMOVE SILICA Leandro Ludueña, Diana Fasce, Vera. A. Alvarez, and Pablo M. Stefani * The present work deals with the use of multiple-step procedures to

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NANOCELLULOSE FROM RICE HUSK FOLLOWING

NANOCELLULOSE FROM RICE HUSK FOLLOWING ALKALINE TREATMENT TO REMOVE SILICA. The present work deals with the use of multiple-step procedures to obtain valuable sub-products, including nanocellulose, from rice husk. Each sub-product was characterized after every step by analyzing the chemical composition (mainly based on thermogravimetric analysis, Fourier transformed

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Extraction And Characterization of Nanocellulose From Rice

Nanocellulose From Rice Husk T.F. Iorfa1, K.F. Iorfa2, A.A. McAsule3 and M.A. AKaayar4 1, 3-4 Dept. of Physics, 2Dept. of Elect/Elect. Federal University of Agriculture, Makurdi. Benue state, Nigeria ABSTRACT In this research work, nanocellulose fibres were isolated from rice husk. The sample was initially subjected to several chemical treatments. The isolated nanocellulose has been

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nanocellulose from rice husk aug mstal-konstrukcje.pl

8/21/2017· Nanocellulose Dimension References; Rice husk fibers: 10.0 mol L −1 of sulphuric acid (pre-heated) at 50 °C for 40 min under continuous stirring. 60 wt % H 2 SO 4 solution at 45 °C for 45 min. TEM micrograph Diameter and aspect ratio in the range of 15–20 nm and 10–15 respectively AFM micrograpgh Average diameter 12.4 ± 4.6 nm.

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Nanocellulose Produced from Rice Hulls and its Effect on

Rice hull is a residue from agro-industry that can be used to produce nanocellulose. We produced nanocellulose from rice hulls through bleaching (with a 5% NaOH solution followed by a peracetic acid solution) and acid hydrolysis at a mild temperature (45ºC) followed by ultrasonication. We investigated the microstructure, crystallinity and thermal stability of these materials and studied their

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NANOCELLULOSE FROM RICE HUSK FOLLOWING

The present work deals with the use of multiple-step procedures to obtain valuable sub-products, including nanocellulose, from rice husk. Each sub-product was characterized after every step by analyzing the chemical composition (mainly based on thermogravimetric analysis, Fourier transformed infrared spectra, and X-ray diffraction) and morphology (using visual observations and scanning

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Isolation of Nanocellulose from Rice Waste via Ultrasonication

Isolation of Nanocellulose from Rice Waste via Ultrasonication Shaghayegh Rezanezhad, Nooroddin Nazanezhad,* and Ghasem Asadpur In this work, nanocellulose was obtained from rice husk and rice straw. Initially, the samples were subjected to different types of chemical treatment and the obtained purified cellulose fibers were separated using ultrasonication. Nanocellulose isolated by mechanical

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Green tire technology: Effect of rice husk derived

15/02/2020· Rice husk contains cellulose (25-35 %), hemicellulose (18-21 %), lignin (26-31 %), silica (15-17 %) and solubles (2-5 %) ( Ludueña et al., 2011 ). Paddy fields are the major sources of greenhouse gases (methane and nitrous oxide) and wetland rice fields play a major role in global warming ( Neue, 2014 ).

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Extraction, preparation and characterization of cellulose

Cellulose fibres and cellulose nanocrystals were extracted from rice husk. Fibres were obtained by submitting the industrial rice crop to alkali (NaOH) and bleaching treatments. Nanocrystals were extracted from these fibres using sulphuric acid (H 2 SO 4) hydrolysis treatment. The material obtained after each stage of the treatments was carefully characterized and its chemical composition was determined.

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(PDF) Derivation of Nanocellulose from Native Rice Husk

Nanocellulose has been in numerous applications and can be obtained from bioresources. This work demonstrates the derivation of nanocellulose from an alternative option i.e. rice husk.

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Nanocellulose fabrication from Oryza sativa L. rice straw

(2019). Nanocellulose fabrication from Oryza sativa L. rice straw using combined treatment by hydrogen peroxide and dilute sulfuric acid solution. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects. Ahead of Print.

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Chemically Modified Nanocellulose from Rice Husk

Chemically Modified Nanocellulose from Rice Husk: Synthesis and Characterisation . Mandeep Kaur 1*, Santosh Kumari 2 and Praveen Sharma 1. 1 Department of Environmental Science and Engineering, Guru Jambheshwar University of Science and Technology, Hisar-125001, Haryana, India. 2 Department of Bio and Nano Technology, Guru Jambheshwar University of Science and Technology, Hisar

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Nanocellulose from rice husk following alkaline treatment

Nanocellulose from rice husk following alkaline treatment to remove silica. Ludueña, Leandro Nicolas; Fasce, Diana Patricia; Alvarez, Vera Alejandra; Stefani, Pablo Marcelo. Fecha de publicación: 03/2011. Editorial: North Carolina State University. Revista: Bioresources. ISSN: 1930-2126. Idioma: Inglés Tipo de recurso: Artículo publicado Resumen. The present work deals with the use of

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Nanocellulose from rice husk following alkaline treatment

The present work deals with the use of multiple-step procedures to obtain valuable sub-products, including nanocellulose, from rice husk. Each sub-product was characterized after every step by analyzing the chemical composition (mainly based on thermogravimetric analysis, Fourier transformed infrared spectra, and X-ray diffraction) and morphology (using visual observations and scanning

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Isolation and characterization of cellulose from rice husk

Cellulose had been isolated from rice husk waste and sawdust with chemical method through hydrolysis with HCl 2.5 N and bleaching process with H 2 O 2 3%.The yields were 13,45% and 22,75% (w/w) of cellulose from rice husk waste and sawdust, respectively. The chemical treatment caused partial removal of lignin and hemicellulose from raw material showed by FTIR spectrum.

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Preparation and characterization of rice husk adsorbents

04/12/2020· Rice husk is a base adsorbent for pollutant removal. It is a cost-effective material and a renewable resource. This study provides the physicochemical characterization of chemically and thermally treated rice husk adsorbents for phenol removal from aqueous solutions. We revealed new functional groups on rice husk adsorbents by Fourier transform infrared spectroscopy, and observed

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In Vitro Biocompatibility of Electrospun Poly(ε

Rice husk powder (10 g) was used for the generation of CNCs. The extracted CNCs were lyophilized and stored in a sealed container prior to use. Approximately 2.9 g CNC was regenerated from 10 g of pure rice husk. Supplementary Figure 2: spectroscopic characterization of pure rice husk and the chemically treated sample: (a) FTIR spectra, (b) TGA

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Novel research on nanocellulose production by a marine

Published online 2020 Aug 26. doi: 10.1038/s41598-020-70857-7. PMCID: PMC7450066. PMID: 32848161. Novel research on nanocellulose production by a marine Bacillus velezensis strain SMR: a comparative study. Samia S. Abouelkheir, 1 Marwa S. Kamara, 2 Salma M. Atia, 2 Sara A. Amer, 2 Marina I. Youssef, 2 Rana S. Abdelkawy, 2 Sherine N. Khattab, 3 and Soraya A. Sabry 4. Author

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Silica aerogels Universiti Teknologi Malaysia

Rice husk is very rich in silica, and its ash can contain up to 92-97% of amorphous silica. The rice husk ash is prepared by burning the rice husk on a heating plate with excess air until the white ash is obtained. Silica from rice ash husk is in a very active form and has been found to be a very potential starting material for silica aerogels. Inventors: Halimaton, Hamdan (Skudai, MY

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