Main Subjects = Chemical
Number of Articles: 24
Servo and Regulatory Response of an Industrial Fluid Catalytic Cracking (FCC) Unit under Fuzzy Logic Supervisory Control
Volume 41, Issue 9 , September 2023, , Page 1139-1151
Abstract
A self-tuning hierarchical controller in which a Fuzzy logic controller supervises the control actions of a conventional PID has been proposed, implemented and presented in this paper. ... Read More ...
Decontamination of Aqueous Nuclear Waste via Pressure-driven Membrane Application – A Short Review
Volume 41, Issue 9 , September 2023, , Page 1152-1174
Abstract
Radioactive waste poses significant risks to human health and the environment due to the emission of gamma rays, beta particles, and alpha particles from natural or artificial radioactive ... Read More ...
Production of High-Efficiency Alternative Biodiesel from Transesterification of Waste Cooking Oil Using an In-house Made Y-Type Zeolite Catalyst
Volume 41, Issue 9 , September 2023, , Page 1175-1192
Abstract
Y-zeolite catalyst, with a Si/Al ratio of 2.23 and a high surface area of 703.34 m2/gcat, was prepared with three different particle sizes: 75, 600, and 1000 μm, from commercial ... Read More ...
Heat Transfer Coefficients in Air-Solid Fluidized Bed Using Vertical Heating Element
Volume 41, Issue 9 , September 2023, , Page 1193-1203
Abstract
In various chemical industrial applications such as hydrocracking, drying, and Fischer-Tropsch, the utilization of fluidized bed systems is prevalent. Efficient heat transfer is crucial ... Read More ...
Optimization of Curing Process for Production of Jatropha Oil Bio-Based Resin Decorated With Nano-Al2O3 and Mechanical Characterization
Volume 41, Issue 3 , March 2023, , Page 484-491
Abstract
Concerns on the environment, health and safety issues posed by synthetic resins has amplified numerous efforts of producing resin from various renewable sources. The use of plant oil ... Read More ...
Applications of Helical Versus Straight Hollow Fiber Membranes: A Review
Volume 41, Issue 3 , March 2023, , Page 492-502
Abstract
The production of straight and helical hollow fibers plays an important role in developing hollow fiber membrane technology that encompasses a broad range of designs. During the last ... Read More ...
Clathrate-Based Recovery of Sulfuric Acid from Spent Acid
Volume 41, Issue 3 , March 2023, , Page 503-511
Abstract
Recently, the applications of hydrate phenomena in industrial processes have been increasing. A clathrate or hydrate is a solid, ice-like compound that forms when water/guest is mixed ... Read More ...
A Review on the Separation of Volatile Organic Compounds from Wastewater by Pervaporation Processes
Volume 41, Issue 3 , March 2023, , Page 512-528
Abstract
The pervaporation process (PV) is one of the membrane separation methods. This process is characterized by low cost, ease of installation, no chemicals added, and work at medium temperatures. ... Read More ...
The Photo-Oxidation of CO from Ambient Air Using Catalytic Asphaltic Pavement
Volume 41, Issue 3 , March 2023, , Page 529-542
Abstract
Road transportation in urban areas may be considered a major source of environmental pollution. The purpose of this study is to determine the effectiveness of the oxidation of carbon ... Read More ...
Produced Water Deoxygenation: Investigation of Nitrogen Purging scheme– Parametric Study – Part1
Volume 40, Issue 9 , September 2022, , Page 1090-1104
Abstract
Produced water (PW) is water that comes out of the well with the crude oil during crude oil production. The quality of produced water varies significantly based on the geochemistry ... Read More ...
Experimental investigation on heat transfer in a gas-solid fluidized bed with a bundle of heat exchanging tubes
Volume 40, Issue 9 , September 2022, , Page 1105-1116
Abstract
A fluidized bed reactor is commonly used for highly exothermic reactions for different chemical industrial processes. However, inefficient removal of the generated heat due to the exothermic ... Read More ...
New Developments in Inhibition of the Sweet Environment in a Variety of Corrosive Media: A Review
Volume 40, Issue 9 , September 2022, , Page 1117-1130
Abstract
This paper aims to look at how pipeline steel and crude oil storage tanks resist corrosion in aqueous carbon dioxide (CO2) environments. To this aim, we have studied different inhibitors, ... Read More ...
Use of TiO2 in Photocatalysis for Air Purification and Wastewater Treatment: A Review
Volume 40, Issue 9 , September 2022, , Page 1131-1143
Abstract
This study reviews recent research on the synthesis and application of titanium dioxide (TiO2)-based photocatalysts for environmental applications. The principles of non-homogenous ... Read More ...
Desulfurization of Real Diesel Fuel onto Mesoporous Silica MCM-41 Implementing Batch Adsorption Process: Equilibrium, Kinetics, and Thermodynamic Studies
Volume 40, Issue 9 , September 2022, , Page 1144-1157
Abstract
In the current work, sulfur was removed from actual diesel fuel containing 1.2 wt.% sulfur from the Al-Dura Oil Refinery (Iraq), which was studied using adsorption desulfurization with ... Read More ...
Hydroisomerization of n-Heptane in a Fixed-Bed Reactor Using a Synthesized Bimetallic Type-HY Zeolite Catalyst
Volume 40, Issue 9 , September 2022, , Page 1158-1170
Abstract
The synthesis of NaY-zeolite was performed hydrothermally. The preparation of the bifunctional catalysts was achieved by loading NH4Y-zeolite with a cheap Zr metal, as a second loading ... Read More ...
Improved Water-Based Mud Rheological Properties and Shale-Inhibition Behavior by Using Aluminum Oxide and Iron Oxide Nanoparticles
Volume 40, Issue 9 , September 2022, , Page 1171-1178
Abstract
Nanotechnology can be used to develop drilling fluid additives that can improve the drilling fluid's properties. Using two types of nanoparticle (NP) additives in water-based drilling ... Read More ...
Recent Development in Hydrodynamic and Heat Transfer Characteristics in the Three-phase Fluidized-bed System
Volume 40, Issue 9 , September 2022, , Page 1179-1204
Abstract
Gas–liquid-solid fluidized beds are broadly utilized in the petrochemical, pharmaceutical, refining, food, biotechnology, and environmental industries. Due to complex phenomena, ... Read More ...
Hydrodynamic Properties Investigation of Ebullated Bed Reactor Using Non-Newtonian Liquid
Volume 40, Issue 9 , September 2022, , Page 1205-1215
Abstract
The importance of using EBR has been renewed recently due to the sharp increase in heavy feedstocks sent to refineries and the hydrocracking process. Most of these feedstocks have a ... Read More ...
Remove Liquid Radioactive Wastes Utilizing Nanofiltration, Ultrafiltration, and Microfiltration Membranes
Volume 40, Issue 9 , September 2022, , Page 1231-1259
Abstract
Radioactive waste is generated from fuel cycle processes in nuclear reactors and nuclear power plants (NPPs) in electrical power production, radioisotope manufacturing in nuclear research ... Read More ...
Produced Water Deoxygenation via Nitrogen Purging Scheme– Parametric Study – Part 2
Volume 40, Issue 9 , September 2022, , Page 1260-1274
Abstract
In this following up paper, we present our findings by examining a pilot scale gasification column and applying nitrogen purging for samples of produced water grafted with different ... Read More ...
A Review of the Natural Gas Purification from Acid Gases by Membrane
Volume 40, Issue 3 , March 2022, , Page 441-450
Abstract
This study aims to shed light on natural gas as an important and promising energy source. This energy source is the fastest-growing source in the world due to the increasing global ... Read More ...
Curcumin Loaded onto Magnetic Mesoporous Material MCM-41 for Controlled and Released in Drug Delivery System
Volume 40, Issue 3 , March 2022, , Page 472-483
Abstract
In this work, the mesoporous silica nanoparticles (MSNs) of type MCM-41 were manufactured and modified with Fe3O4 to load curcumin (CUR) CUR@Fe3O4/MCM-41 as an efficient carrier in ... Read More ...
Air-lift Reactor's Characterization via Computational Fluid Dynamic (CFD): Review
Volume 40, Issue 3 , March 2022, , Page 484-497
Abstract
Airlift reactors are seen as the most promising reactor for many valuable productions such as algae culturing. However, this kind of reactor still needs more information and data to ... Read More ...
The Use of Inexpensive Sorbents to Remove Dyes from Wastewater - A Review
Volume 40, Issue 3 , March 2022, , Page 498-515