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Characterization of Potential Cellulose from Hylocereus Polyrhizus(Dragon Fruit)peel:A Study on Physicochemical and Thermal Properties

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Journal of Renewable Materials 2023年第1期11卷 131-145页

作者： Nurul Hanan Taharuddin ridhwan jumaidin Muhd Ridzuan Mansor Fahmi Asyadi Md Yusof Roziela Hanim Alamjuri Fakulti Kejuruteraan Mekanikal Universiti Teknikal Malaysia MelakaHang Tuah JayaMelakaMalaysia Fakulti Teknologi Kejuruteraan Mekanikal dan Pembuatan Universiti Teknikal Malaysia MelakaHang Tuah JayaMelakaMalaysia UNIKL MICET Taboh NaningAlor GajahMelakaMalaysia Faculty of Tropical Forestry Universiti Malaysia SabahJalan UMSSabahMalaysia

The strict environmental regulations to overcome the drawbacks of consumption and disposal of non-renewable synthetic materials have motivated this *** physical,chemical,morphological,and thermal properties of Hylocereus Polyrhizus peel(HPP)powder obtained from the raw materials were examined in this *** physical properties analyzes of Hylocereus Polyrhizus peel(HPP)powder discovered that the moisture content,density,and water holding capacity were 9.70%,0.45 g/cm^(3),and 98.60%,***,the chemical composition analysis of Hylocereus Polyrhizus peel(HPP)powder revealed that the powder was significantly high in cellulose contents(34.35%)from other bio-peel *** crystallinity index of Hylocereus Polyrhizus peel(HPP)powder was 32.76%,according to further X-ray diffraction(XRD)*** thermal stability of Hylocereus Polyrhizus peel(HPP)powder was examined using thermogravimetric analysis(TGA)and found thermally stable at 204℃.The morphological study via scanning electron microscopy(SEM)showed a shriveled and irregular geometry *** Polyrhizus peel(HPP)powder demonstrated the peak in the range representing the major functional groups responsible for pectin’s ***,the findings revealed that the Hylocereus Polyrhizus peel(HPP)powder has the potential for the development of biodegradable and renewable materials.

关键词： Hylocereus Polyrhizus dragon fruit peel natural fiber biodegradable materials

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Liquid injectivity in a SAG foam process:Effect of permeability

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Petroleum Science 2024年第1期21卷 302-314页

作者： Jia-Kun Gong Yuan Wang ridhwan-Zhafri B.Kamarul Bahrim Raj-Deo Tewari Mohammad-Iqbal Mahamad Amir Rouhi Farajzadeh William Rossen College of Mechanics and Materials Hohai UniversityNanjing210098JiangsuChina College of Water Conservancy&Hydropower Engineering Hohai UniversityNanjing210098JiangsuChina PETRONAS Kuala Lumpur50088Malaysia Department of Geoscience and Engineering Delft University of Technology2628 CNDelftthe Netherlands Shell Global Solutions International B.V. 1031 HWAmsterdamthe Netherlands

Foam is utilized in enhanced oil recovery and CO_(2) ***-alternating-gas(SAG)is a preferred approach for placing foam into reservoirs,due to it enhances gas injection and minimizes corrosion in *** previous studies with similar permeability cores show that during SAG injection,several banks occupy the area near the well where fluid exhibits distinct ***,underground reservoirs are heterogeneous,often *** is crucial to understand the effect of permeability on fluid behaviour and injectivity in a SAG *** this work,coreflood experiments are conducted in cores with permeabilities ranging from 16 to 2300 *** observe the same sequence of banks in cores with different ***,the speed at which banks propagate and their overall mobility can vary depending on *** higher permeabilities,the gas-dissolution bank and the forced-imbibition bank progress more rapidly during liquid *** total mobilities of both banks decrease with *** utilizing a bank-propagation model,we scale up our experimental findings and compare them to results obtained using the Peaceman *** findings reveal that the liquid injectivity in a SAG foam process is misestimated by conventional simulators based on the Peaceman *** lower the formation permeability,the greater the error.

关键词： Foam Enhanced oil recovery Surfactant-alternating-gas Injectivity Permeability

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