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Apr 28, 2023Open    Access

Ultraviolet Light (UV)-Induced Photocatalytic Degradation of Diclofenac Using Naturally Derived TiO2@rGO Composite

Lorenz E. Borromeo, Lea P. Bongat, John Patrick S. Nunez, Kirby F. Mendioro, Jocelyn R. Balisnomo
Diclofenac (DCF) is a non-steroidal anti-inflammatory drug (NSAID) used to relieve pain in joint-related diseases. It is not completely metabolized after consumption and cannot be easily removed using conventional wastewater treatment. DCF has been detected in water bodies and may pose chronic effects on the endocrines of living organisms even at low-level exposure. Heterogeneous photocatalysis provides an alternative and efficient method of degrading DCF. In this study, the photocatalytic remov...
Open Access Library J.   Vol.10, 2023
Doi:10.4236/oalib.1109990


Jan 04, 2023Open    Access

Thermodynamic Analysis of Al Alloy Reinforced with Zirconia Particles

Ahmed Abdelkareem
In this paper, HSC software was used to perform a thermodynamic analysis of A5083/ZrO2 metal matrix composite to predict the phases which formed during the manufacturing processes (vortex method). The base matrix was purchased commercially and the zirconia particles were extracted from Egyptian zircon as a reinforcing material by alkaline fusion technique. The base material was melted in an electric furnace at 750°C, and the extracted zirconia particles were added while stirring. ...
Open Access Library J.   Vol.9, 2022
Doi:10.4236/oalib.1109569


Jun 22, 2022Open    Access

Evaluation of Laser-Heating and Laser-Reheating of Sunflower (Helianthus annuus) Seed Oil Quality

Alaa Ahmed Mudawi, Ali A. S. Marouf
This paper focuses on the difference between the effect of heating and reheating on sunflower oil properties by using carbon dioxide laser and electrical heater. Two samples of sunflower oil were heated and reheated with carbon dioxide laser beaming up to 50°C, which takes 30 minutes; another two samples were heated and reheated up to 250°C using electrical heater in two minutes, along with an unheated control sample at ambient conditions. Chemical properties like acid value, free fatty ...
Open Access Library J.   Vol.9, 2022
Doi:10.4236/oalib.1108883


Dec 09, 2020Open    Access

The Fabrication of Composite Material Based on Natural Macromolecules: A Review

Rony Mia, Imon Biswas Shuva, Abdullah Al Mamun, Abu Bakar, Faridul Islam Rumman, Moshiur Rahman
The consciousness of environmental & ecological impact has attained great attention for the preparation of new material & various end-used applications. Macromolecules synthesized from natural resources have increased compared to synthetic resources in recent years. The fabrication of composite materials has another concept for increasing the durable properties of composite materials. This review paper focused on the fabrication of composite materials based on some natural sources macromolecules...
Open Access Library J.   Vol.7, 2020
Doi:10.4236/oalib.1106977


Jun 02, 2020Open    Access

Effect of Langmuir Monolayer of Bovine Serum Albumin Protein on the Morphology of Calcium Carbonate

Zhonghui Xue, Ning Xue
In this paper we used BSA Langmuir monolayer as templates to study the effect of solute concentration on regulated biomineralization of calcium carbonate. During the crystallization process, it is found that the morphology of the calcium carbonate can be strongly affected by the solute concentration in presence of BSA Langmuir monolayer. X-ray Diffraction (XRD) results show that the crystal of calcium carbonate formed is all the calcite phase with a higher orientation. SEM images show that the m...
Open Access Library J.   Vol.7, 2020
Doi:10.4236/oalib.1105796


May 09, 2020Open    Access

Orientated Growth of Hemispherical Calcium Carbonate Beneath Protein Langmuir Monolayer

Zhonghui Xue, Ning Xue
Oriented calcium carbonate crystals have been grown beneath bovine serum albumin (BSA) Langmuir monolayers at the air-solution interface from supersaturated calcium bicarbonate solutions. The calcium carbonate prepared was characterized by XRD, SEM, TEM and SAED. It was found the crystal morphologies changed from amorphous calcium carbonate (ACC) to regular hemispherical calcite crystals with the prolonging of the time. These observations suggest that the process is step by step, during which th...
Open Access Library J.   Vol.7, 2020
Doi:10.4236/oalib.1105798


Apr 23, 2020Open    Access

Utilisation of Glass for the Production of Inorganic Polymeric Materials for Construction Industry

Thomas Parisis, Nicole Mavrovounioti, Panayiotis Antoniades
This paper deals with the utilisation of glass coming from municipal waste mainly for the production of inorganic polymeric materials, with advanced mechanical properties, intended for the construction industry. The development of glass-based geopolymers, achieving high compressive strength and low water absorption, is described, and the produced materials are compared with some common construction and building materials.
Open Access Library J.   Vol.7, 2020
Doi:10.4236/oalib.1106123


Feb 17, 2020Open    Access

Attenuation and Shielding Performance of Wood-Polymer Composites Synthesized via Melt-Blend Technique

Abubakar Yakubu, Zulkifli Abbas, Abdullahi Sirajo
In the recent, filler-polymer composites researches have been on the rise due to its implication to electromagnetic interference (EMI) applications. The composition, morphology and surface rheology of the filler-polymer composites play an immense role in determining the electrical, mechanical, and optical properties. In this paper, the preparation and characterization of micro-composites of wood (biodegradable waste material)/polycaprolactone (PCL) composites a
...
Open Access Library J.   Vol.7, 2020
Doi:10.4236/oalib.1105444


Dec 25, 2019Open    Access

Mechanical Properties of Acrylonitrile-Butadiene Rubber (NBR)/Poly (Vinyl Chloride) Resin Binary Blend

Ali I. Al-Mosawi, Mohammed H. Al-Maamor, Kálmán Marossy, Haider A. Yasser, Shaymaa Abbas Abdulsada
Changes in the mechanical properties of Acrylonitrile-Butadiene Rubber (NBR)/Poly (vinyl chloride) resin binary blend were investigated. Poly (vinyl chloride) resin additives were within range (0 - 70) wt.%, and the measured mechanical properties included tensile strength, elongation, and compression strength. The obtained results showed that the tensile and elongation value of NBR starts to decrease with the addition of PVC resin
...
Open Access Library J.   Vol.6, 2019
Doi:10.4236/oalib.1105956


Apr 26, 2019Open    Access

Production of High Performance Mountings by Using Rubber-Polymer Waste

Ali I. Al-Mosawi, Abbass A. Hashim, Mohammed H. Al-Maamori
Hybrid composite material consists rubber matrix reinforced by polymer waste stripes is introduced in this study. Hardness and adhesion of Acry-lonitrile Butadiene Rubber-Polyethylene Terephthalate (PET) waste com-posite have been investigated. The study included the relationship between these properties and the percentage of PET’sadditives (0 - 100 pphr) as a reinforcement material. The obtai
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Open Access Library J.   Vol.6, 2019
Doi:10.4236/oalib.1105368


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