Optimisation of the Coagulation-Flocculation of Reactive Dye Wastewater Using Novel Inorganic-Organic Hybrid Polymer

C. Xin-Hui Su; T. Tow Teng; N. Morad; M. Rafatullah

Volume 7, Issue 1 , January 2016, , Pages 31-38

https://doi.org/10.5829/idosi.ijee.2016.07.01.05

Abstract
  A novel inorganic-organic hybrid polymer of magnesium chloride-polyethylene oxide (MgCl2-PEO) was prepared, characterised and applied in the coagulation-flocculation of a reactive dye, Cibacron Blue F3GA (RCB). The hybrid polymers were prepared in various ratios and their conductivity and viscosities ...  Read More

Photocatalytic Degradation of Sulfamethoxazole in Visible Irradiation Using Nanosized NiTiO3 Perovskite

S. Jain; U. Chandrawat

Volume 9, Issue 1 , January 2018, , Pages 31-40

https://doi.org/10.5829/ijee.2017.09.01.05

Abstract
  Nickel titanium oxide (NiTiO3) nanoparticles were synthesized at low temperature in non aqueous medium by modified Pechini method using ethylene glycol and citric acid as polymeric precursors. The structural and morphological characteristics of the products were studied by X-ray diffraction, fourier ...  Read More

Recycling of Multilayer Packaging Foils by Using Diferent Organic Solvent

T. Mumladze; M. Tatariants; A. Rimšaitė; S. Yousef; G. Denafas

Volume 10, Issue 1 , March 2019, , Pages 38-42

https://doi.org/10.5829/ijee.2019.10.01.06

Abstract
  Multilayer Packaging wastes are one of the major problem in the world. About 6 billion tons of packages are generated per year in the world (in EU is about 82 million tons per year). Multilayer packaging foils are approximately 17% of all produced packaging films. Most produced multilayer film is based ...  Read More

Energy
Investigation of Geometric Dimensions and Dust Effects on Invelo Wind Deflectors Performance

M. Bagheri; I. Mirzaee; M. Khalilian; V. Mousapour

Volume 15, Issue 1 , January 2024, , Pages 48-55

https://doi.org/10.5829/ijee.2024.15.01.05

Abstract
  The present study simulates Invelox in a three-dimensional and stable way. The flow regime is turbulent flow and an unorganized grid with 350000 cells was utilized. This work has studied the modeling of invelox with conventional dimensions and four different sizes in the form of four modes for use in ...  Read More

Application of Response Surface Methodology for Sago Wastewater Treatment by Ozonation

G. Anju; B. Subha; M. Muthukumar; T. Sangeetha

Volume 10, Issue 2 , June 2019, , Pages 96-103

https://doi.org/10.5829/ijee.2019.10.02.05

Abstract
  A treatment method based on the degradation of sago processing wastewater using ozonation process was conducted in this research study. The optimization of the process variables was designed with the aid of software called Design Expert and the technique was called response surface methodology (RSM) ...  Read More

A Theoretical Detailed Analysis for a Proposed 5kW PV Grid-Connected System Installed in Iraq Using PVsyst Tool

A. A. Abbood Al-Khazzar

Volume 9, Issue 2 , June 2018, , Pages 105-113

https://doi.org/10.5829/ijee.2018.09.02.05

Abstract
  In this study, PVsyst simulation software is used to analyze a PV grid tied system in a typical primary school in Iraq. The proposed system is 5kW which is affordable and applicable from the cost and required area points respectively. The monthly averaged electrical load for a typical school is approximately ...  Read More

Biological Treatment Processes: Suspended Growth vs. Attached Growth

A. Ebrahimi; G. D. Najafpour

Volume 7, Issue 2 , April 2016, , Pages 114-123

https://doi.org/10.5829/idosi.ijee.2016.07.02.05

Abstract
  Microorganisms play an important role in biological treatment processes. Biodegradable organic matter in wastewater would be removed completely by proper microbial consortia. The mixed culture is either generally present in the wastewater, or is introduced to the target wastewater by mixing it with domestic ...  Read More

Conversion of Degradable Municipal Solid Waste into Fuel Briquette: Case of Jimma City Municipal Solid Waste

A. B. Bayu; T. A. Amibo; D. A. Akuma

Volume 11, Issue 2 , June 2020, , Pages 122-129

https://doi.org/10.5829/ijee.2020.11.02.05

Abstract
  The study was done to explore the production of charcoal briquettes that could meet the need for energy in the community of Jimma city. The primary objective of this work is to produce charcoal from the most promising wastes. Under these objectives the main activities which performed were sorting waste, ...  Read More

Evaluation of Heavy Metals of Lead, Nickel, Cadmium, Vanadium and Some Chemical Parameters in Surface Soils of the City of Khorramabad

M. Karimizadeh; K. Payandeh

Volume 12, Issue 2 , June 2021, , Pages 131-142

https://doi.org/10.5829/ijee.2021.12.02.05

Abstract
  This study was conducted in 2017 with the aim of determining the distribution of heavy metals lead, nickel, cadmium, vanadium and the parameters of acidity, electrical conductivity and organic matter in the surface soils of the city of Khorramabad. Sampling was performed monthly from 12 stations and ...  Read More

Environment
Analysis of Dense Non-aqueous Phase Liquid Contaminants Effects on Soil Permeability by Response Surface Methodology

H. Tamadon Ghareghie; M. Yazdi; D. Yousefi Kebria; H. Aminirad

Volume 13, Issue 2 , March 2022, , Pages 141-150

https://doi.org/10.5829/ijee.2022.13.02.05

Abstract
  Soil contamination is considered a controversial issue in most countries. Nowadays, it is important to clearly understand how pollutants influence the soil from different sources. Today, hydrocarbons are one of the most important sources of soil contaminants, which is considered as a fundamental issue ...  Read More

Modified Porous Silicon with Zirconium Nanoparticles as a Selective Adsorbent for Phosphate Removal from Aqueous Systems

M. Anbia; Z. Khodashenas; L. Kamel

Volume 9, Issue 3 , October 2018, , Pages 182-190

https://doi.org/10.5829/ijee.2018.09.03.05

Abstract
  The development of an efficient adsorbent for phosphate removal from wastewater to prevent the eutrophication of surface waters is very important. In this study, porous silicon powder prepared with acidic etching solution (HF: HNO3: H2O). Then, Zirconium-modified porous silicon has been synthesized by ...  Read More

Theobroma cocoa Dry Bean Extract as a Potential Green Inhibitor for Mild Steel in Acidic Medium

P. Shwethambika; J. Ishwara Bhat

Volume 10, Issue 3 , September 2019, , Pages 190-199

https://doi.org/10.5829/ijee.2019.10.03.05

Abstract
  Theobroma cocoa dry bean extract (CDBE) was prepared by Soxhlet extraction method and was characterized for its chemical constituents using Fourier Transform-Infrared Spectroscopy (FT-IR), Gas chromatography-Mass spectroscopy (GC-MS) and also by Thermogravimetric Analysis-Differential Scanning Calorimetry ...  Read More

Biogas Production through Anaerobic Digestion of Tannery Solid Waste

M. A. Sayid Mia; M. Nur-E-Alam; S. Huque; M. M. Rahman; H. Ratnaweera

Volume 8, Issue 3 , July 2017, , Pages 210-215

https://doi.org/10.5829/ijee.2017.08.03.05

Abstract
  Annually about 85,000 tons of raw hides and skins are estimated to be processed for leather production in Bangladesh. Tannery generates huge amount of solid and liquid wastes. Anaerobic digestion (AD) is a potential treatment to stabilize waste and produce biogas for renewable energy. The aim of this ...  Read More

Energy
Optimization of Residential Spatial Configuration based on Energy Performance, Daylight Brightness, and Thermal Comfort through Pareto Evolutionary Algorithm, Case Study: Mashhad City Climate

J. Ahmadi; S. M. Maddahi; R. Mirzaei

Volume 14, Issue 3 , July 2023, , Pages 228-239

https://doi.org/10.5829/ijee.2023.14.03.05

Abstract
  All important decisions that affect the thermal performance of the building are made in the early stages of design. Accordingly, in this research, the initial stage of architectural design which is related to space plan was targeted. The aim of this research is the perfect approach to evaluate, and optimize ...  Read More

Steam Explosion as the Pretreatment Method for Ethanol Production from Orange Peel Waste

J. M. Patra; S. S. Panda; N. K. Dhal

Volume 7, Issue 3 , July 2016, , Pages 243-246

https://doi.org/10.5829/idosi.ijee.2016.07.03.05

Abstract
  Citrus fruits world production is estimated to be over 88 million tons per year, and oranges alone account for about 55% of such amount. Orange peel waste (OPW) is the solid residue of membranes, cores, juice sacs, etc which represents over 50% of the processed fruits. Its disposal is of great concern ...  Read More

Removal of Cationic Dye from Aqueous Solution Using Agricultural Wastes: Argan and Almond Shells

M. El-khomri; N. El-messaoudi; S. Bentahar; A. Dbik; A. Lacherai

Volume 9, Issue 4 , December 2018, , Pages 255-262

https://doi.org/10.5829/ijee.2018.09.04.05

Abstract
  In this work, Crystal Violet (CV), cationic dye, is removed from aqueous solution, using wood of Argan shell(ARS) and Almond shell (ALS), as low-cost and eco-friendly biosorbants. The parameters influencing the adsorption of CVon each of our adsorbents, contact time (5–180 min), adsorbent dose ...  Read More

Bioremediation of Oil Contaminated Soils by Washing under Static Conditions

Z. Ghorbani Kharaji; M. H. Fazaelipoor

Volume 10, Issue 4 , December 2019, , Pages 256-259

https://doi.org/10.5829/ijee.2019.10.04.05

Abstract
  In this research five different solutions were used to wash an oil contaminated soil with the initial TPH (Total Petroleum Hydrocarbon) content of 46 g kg-1 (grams of TPH per kg of dry soil). The solutions were a basal mineral medium (solution I), the basal mineral medium inoculated with petroleum degrading ...  Read More

Fault Detection and Location in Power Systems with Large-Scale Photovoltaic Power Plant by Adaptive Distance Relays

A. Jodaei; Z. Moravej

Volume 15, Issue 3 , July 2024, , Pages 265-278

https://doi.org/10.5829/ijee.2024.15.03.05

Abstract
  In this paper, a novel approach is introduced for Fault Detection and Fault Location in power systems that incorporate Large-Scale Photovoltaic Power Plants (LSPPPs). Given that short-circuit (SC) characteristics in photovoltaic systems differ significantly from those observed in traditional Synchronous ...  Read More

Tannin-Bonded Rhizophora spp. Particleboards as Water Equivalent Phantom Material for High Energy Photons and Electrons

M. F. Mohd Yusof; P. N. K Abd Hamid; R. Hashim; A. A. Tajuddin; S. Bauk; N. Mohd Isa

Volume 8, Issue 4 , October 2017, , Pages 274-280

https://doi.org/0.5829/ijee.2017.08.04.05

Abstract
  Phantom materials are important tools for quality control and dosimetry works in medical physics. The tannin-bonded Rhizophora spp. particleboards in were fabricated as phantom and the dosimetric properties at high energy photons and electrons were evaluated. The particleboards were fabricated at dimensions ...  Read More

Removal of Pb^(2+) Ions from Aqueous Solutions by Modified Magnetic Graphene Oxide: Adsorption Isotherms and Kinetics Studies

G. Ramezani; S. E. Moradi; M. Emadi

Volume 11, Issue 4 , December 2020, , Pages 277-286

https://doi.org/10.5829/ijee.2020.11.04.05

Abstract
  Graphene oxide based nano-composites have attracted huge attention for wastewater treatment specially removal of heavy metals. This paper reports adsorption of  onto modified magnetic graphene oxide with chitosan and cysteine (GO/ /Chi/Cys). To study the adsorbent morphology, Field Emission Scanning ...  Read More

An Investigation on the Attack of Dye Species on Freshly Synthesized and Characterized Activated Carbon from Cocoa Pod

P. Chaithra; K. Hemashree; J. Ishwara Bhat

Volume 7, Issue 4 , October 2016, , Pages 349-358

https://doi.org/10.5829/idosi.ijee.2016.07.04.05

Abstract
  Activated carbon (AC) was synthesized from raw cocoa pod (RCP) by three activation methods; physical (CPC), chemical (Z CPC, zinc chloride) and microwave activation (MW-CPC). The synthesized AC was characterized using powder X-ray diffraction (XRD), field emission scanning electron microscope (FE-SEM), ...  Read More