-
Research Article
Impact of Textile Dyeing Effluent on Soil Quality Parameters
Issue:
Volume 9, Issue 1, June 2025
Pages:
1-8
Received:
30 January 2025
Accepted:
11 February 2025
Published:
26 February 2025
Abstract: The presence of untreated textile effluents is a significant problem in urban areas. In the absence of treatment, complicated effluent that contains a number of colors, metallic pollutants, and a variety of organic chemicals that are necessary for softeing, printing, and heat stabilization can accumulate in natural sources, leaching into water and soil, and so deteriorating the quality of the soil. The primary purpose of this investigation is to investigate the influence that textile effluent has on the physicochemical characteristics of soil. The inquiry required the collection of soil samples from five different locations, each of which housed a textile dyeing business. A wide range of physicochemical characteristics, such as pH, electrical conductivity, cation exchange capacity, phosphorus, potassium, sodium, organic carbon percentage, acidity, moisture content, micronutrients (Fe, Cu, Mn, Zn), and SAR values, are evaluated in order to determine the quality of the soil. In the process of penetrating the food web, the high concentration of pollutants in the soil reduces the fertility and quality of the soil. It is of the utmost importance to take into account their direct or indirect impact on humankind. By monitoring many physicochemical parameters of polluted textile industry soil and comparing them with agricultural soil samples, the purpose of this study is to evaluate the impact that textile industries have on the quality of the soil in the Hamirgarh and Mandal RIICO industrial regions of Bhilwara.
Abstract: The presence of untreated textile effluents is a significant problem in urban areas. In the absence of treatment, complicated effluent that contains a number of colors, metallic pollutants, and a variety of organic chemicals that are necessary for softeing, printing, and heat stabilization can accumulate in natural sources, leaching into water and ...
Show More
-
Research Article
Analytical Hierarchy Process Applied to Clean Burning Cookstove Design Concept Selection
Issue:
Volume 9, Issue 1, June 2025
Pages:
9-19
Received:
6 March 2025
Accepted:
26 March 2025
Published:
22 April 2025
Abstract: This study used the Analytic Hierarchy Process (AHP), a multi-criteria decision making (MCDM) method to evaluate six clean-burning cookstove designs - the Natural Draft Sunken Pot Rocket Stove, the Kirk Harris TLUD Stove, the Side Feed Bottom Air Forced Draft Stove, the Top Lit Forced Draft Stove, the Charcoal Stove and the SSM Jet-Flame Stove -for mass production in Cameroon, addressing the dual priorities of thermal efficiency and emissions reduction under the ISO/IWA Tiers of Performance framework. Building on a prior quantitative survey of cookstove performance, eight criteria— thermal efficiency, specific consumption, high and low power emissions (CO, PM2.5), indoor emissions (CO, PM2.5). —were used to assess the designs. Pairwise comparisons showed the charcoal stove as optimal for combustion efficiency (24% priority score) and the Kirk Harris TLUD stove as superior for minimizing emissions (37% score), demonstrating that design suitability depends on context-specific energy and environmental goals. The AHP methodology was validated through sensitivity analysis and a consistency ratio below 10%, confirming its robustness for structured decision-making. By systematically balancing technical performance, user needs, and environmental impact, this study underscores AHP’s utility in guiding the selection of clean energy technologies. The findings provide policy makers and manufacturers with actionable insights to prioritise designs that meet regional priorities, whether fuel efficiency in resource-constrained environments or emissions reduction in health-sensitive areas. This approach supports scalable, evidence-based transitions to sustainable cooking solutions in Cameroon and similar contexts.
Abstract: This study used the Analytic Hierarchy Process (AHP), a multi-criteria decision making (MCDM) method to evaluate six clean-burning cookstove designs - the Natural Draft Sunken Pot Rocket Stove, the Kirk Harris TLUD Stove, the Side Feed Bottom Air Forced Draft Stove, the Top Lit Forced Draft Stove, the Charcoal Stove and the SSM Jet-Flame Stove -for...
Show More
-
Research Article
Production and Characterisation of Refractory Bricks for Cement Kiln Burning Zone Application
Samuel Audu Seth*
,
Mohammed Ahmed Bawa,
Aje Tokan,
Jacob Shekwonudu Jatau
Issue:
Volume 9, Issue 1, June 2025
Pages:
20-35
Received:
7 April 2025
Accepted:
18 April 2025
Published:
29 May 2025
Abstract: Cement clinker is produced in a rotary kiln at a sintering temperature of 1450°C. Because of this temperature, the kiln body is lined with refractory bricks. The failure of these refractory bricks is a challenge to cement producers because of its high impact on production and cost. Today, Nigerian cement factories depend on expensive imported refractories to survive. This work addresses this challenge by producing quality and less expensive refractory from locally sourced materials. The refractory materials were selected based on the thermal load for kiln burning zone, the material composition, particle size distribution and purity and refractory properties following ASTM C133 standard. The bricks were produced using compression moulding techniques at 125 MPa. The results showed that the thermal load for the kiln burning zone is 14.43 GJ/m2hr. Dolomite and zirconia material characterized using XRF and SEM-EDX reveals that its composition, particle size distribution and purity meet the requirement for cement kiln burning zone refractory material. The absence of K2O, SO3 and Na2O in the composition makes it suitable for cement kiln refractory application. The properties of the refractory analysed based on ASTM C133 standard showed that the optimum value for apparent porosity, bulk density, cold crushing strength, modulus of rupture, thermal conductivity, refractoriness and refractoriness under load were 16%, 3.42g/cm3, 95.89 MPa, 15.14 MPa, 1.56 W/mK, 1800°C and 1648°C respectively. Thermal shock resistance of 30 cycles at 1500°C and 1600°C. These properties were better off compared to the commercial refractories with the following properties apparent porosity, bulk density, cold crushing strength, modulus of rupture, thermal conductivity, refractoriness and refractoriness under load were 17%, 3.2g/cm3, 90.0 MPa, 14 MPa, 2.1 W/mK, 1800°C, 1350°C and 30 cycles at 1500°C. This means they have better performance and longer service life. The incorporation of zirconia in the bricks increases its wear resistance, stability at high temperature and better coating index. This concludes that the locally produced refractory addresses the concern of cement producers and presents a good opportunity for investors in the area of refractory bricks production in Nigeria.
Abstract: Cement clinker is produced in a rotary kiln at a sintering temperature of 1450°C. Because of this temperature, the kiln body is lined with refractory bricks. The failure of these refractory bricks is a challenge to cement producers because of its high impact on production and cost. Today, Nigerian cement factories depend on expensive imported refra...
Show More
