Search
70 articles for “physicochemical”
-
Studies on Extraction of Bioflavonoids from Leaves of Plumeria rubra
Abstract: Plumeria rubra, a tropical flowering plant from the Apocynaceae family, holds notable aesthetic and traditional significance. It is frequently grown in tropical areas as an ornamental shrub or small tree, reaching up to six meters in height. Renowned for its visual appeal, it is especially valued in the creation of leis and other floral arrangements. Although the plant’s sap is toxic, it is recognized for its medicinal and aromatic potential. …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 11, Issue 1, 2025 · pp. 10–16 Read article
-
Walnut Shells’ Potential Use as Biofillers in Natural Rubber Composites
Abstract: The study assessed the potential of walnut shells as a filler in natural rubber composites. Walnut shells were finely ground, sieved through a 75 μm mesh, and incorporated into natural rubber at different filler loadings: unfilled, 20 parts per hundred rubber (phr), 30 phr, 40 phr, and 50 phr. The physicochemical properties of the walnut shell powder were analyzed, yielding results of 5.30 for pH, 10.10% for moisture content, 2.50% …
Published in International Journal of Polymer Science and Engineering · Vol. 10, Issue 2, 2024 · pp. 1–5 Read article
-
Dry Season Impact on Water Quality of Nworie River, Owerri, Nigeria
Abstract: This study assessed the physicochemical properties and heavy metal contamination of Nworie River during the dry season. Fifteen composite water samples were collected from strategic points along the river. In-situ measurements of pH, temperature, and electrical conductivity were undertaken, while laboratory analyses determined heavy metal concentrations. Pollution Load Index and Contamination Factor were employed to evaluate the overall water quality and contamination levels. Results indicated moderate to high levels of …
Published in International Journal of Analytical and Applied Chemistry · Vol. 11, Issue 1, 2025 · pp. 40–49 Read article
-
Investigation on the Characteristics of Chromolaena Odorata (Awolowo leaf) in Petroleum Hydrocarbon Degradation in Loamy Soil Environment
Abstract: The application of Chromolaena odorata (Awolowo leaf), processed into powder form, was used as a biostimulant for petroleum hydrocarbon degradation and mitigation in a loamy soil environment. In this investigation, the physicochemical and microbial characteristics of the sample were determined, as presented in this research, including pH, electrical conductivity (EC), total nitrogen (T.N), total phosphorus (T.P), potassium (K), total organic carbon, and P. fluorescence. Corynebacterium sp., Arthrobacter, Bacillus, Acinetobacter iwoffi, …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 1, 2024 · pp. 13–23 Read article
-
Application of Monod Equation and First Order RateKinetics for the Determination of TPH Concentrationalong the Depths
Abstract: In order to calculate the rate of TPH concentration along the depths, this research project applies theMonod Equation and First Order Rate Kinetics. TPH diffusion in the stagnant water medium wasexamined using the Developed Dispersion and Degradation Model integrated with the first orderdegradation rate and the Monod equation q2. TBC in both water media increased gradually over timeuntil the 56th day, and then rapidly between the 70th and 80th day. …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 10, Issue 1, 2024 · pp. 26–43 Read article
-
Formulation and Evaluation of Multipurpose HerbalsSolid Shampoo and Conditioner Soap
Abstract: Hair is a health indicator and has a big impact on how lovely the body looks. Shampoo is one of themost often used beauty products for cleaning hair. The primary purpose of contemporary shampooformulations is not limited to hair cleaning. Additional benefits including conditioning and surfacesmoothing of the hair are expected, along with healthy hair that is free of dirt, grease, dandruff, andlice. The main difference is that, while shampoo …
Published in International Journal of Chemical Engineering and Processing · Vol. 10, Issue 1, 2024 · pp. 12–19 Read article
-
Effective Utilization of Agriculture Waste
Abstract: Agricultural substances are produced on the earth with the change of seasons. Basically these substances are produced in the nature and are very important for the survival of consumers such as animals and human beings. These substances are widely available on earth, can be a good source of energy or can be converted into useful products. The wastes generated from the crops have a good potential to get converted to …
Published in International Journal of Plant Biotechnology · Vol. 5, Issue 1, 2019 · pp. 13–17 Read article
-
Performance Evaluation of Azadirachta indica Leaf on Crude Oil Contaminated Soils
Abstract: The intention of this research was to ascertain the effectiveness of sun-dried and room-dried Azadirachta indica leaf at varying quantities, in the remediation of sandy and loamy soils contaminated with 100ml of crude oil. Gas Chromatography-Mass Spectrometry method was used to test for the physicochemical properties of the materials used for the experiment. The unpolluted loamy soil was observed to contain pH of 6.75, electric conductivity of 10.36µS/cm, Total Oxygen …
Published in International Journal of Plant Biotechnology · Vol. 6, Issue 1, 2020 · pp. 35–45 Read article
-
Use of Micro- and Nanobubble in Waste Water Treatment Technology – Review
Abstract: ABSTRACT The environmental nanotechnology is a technical discipline which research features of natural and man-made nanomaterials, applications, techniques for their characterization, integration processes and transformation into ecosystems. Microbubbles have the capability to change the normal characteristic of water. The microbubbles (MBs) have diameter more than 100 μm, the micro-nanobubbles (MNBs) have diameter between 1 to 100 μm and the nanobubbles (NBs) have diameter less than 1 μm within the fluid …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 4, Issue 1, 2018 · pp. 5–10 Read article
-
Nanocomposite Hydrogels for Water Purification
Abstract: DNA hydrogels have been demonstrated as versatile catalysts, potential adsorbents, sensors and immobilization carriers of bioactive molecules. They are a type of tenuous, semiflexible polymeric network that consists of precisely designed synthetic nucleotide strands as chemical or physical cross-linkers. Hydrogels have been widely studied due to their improved physicochemical properties and used as antibacterial platforms, wastewater pollutants, adsorbents and drug deliverers. Because of their biocompatibility and the ability to mix …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 4, Issue 2, 2018 · pp. 17–21 Read article
-
Computation of Biokinetic Parameters of Total Petroleum Hydrocarbon Degradation using Vernonia amygdalina Stem
Abstract: This investigation showcases the computation of biokinetic parameters of total petroleum hydrocarbon degradation using Vernonia amygalina stem as bio-stimulant for the remediation of contaminants in loamy soil environment. The research revealed decrease in TPH degradation with increase in contact time and the percentage reduction was computed. The result shows TPH (100 dosage) > TPH (75g dosage) > TPH (50g dosage) > TPH (25g dosage) > TPH (control sample) and the …
Published in International Journal of Industrial Biotechnology and Biomaterials · Vol. 9, Issue 2, 2023 · pp. 26–38 Read article
-
Studies on Interaction of SDS with HPMC Using Central Composite Design
Abstract: The conductivity measurements were used to study the interaction between non-ionic biopolymers, hydroxypropyl methyl cellulose (HPMC) and the anionic surfactant- sodium dodecyl sulphate (SDS) in aqueous solutions of different concentrations and at temperatures along with the use of Response Surface Methodology (RSM). Calculations were made of the free energies of aggregation ΔGagg, micellization (Gmic), and transfer (Gt), all of which are connected to the bonding interaction between the surfactant and …
Published in International Journal of Green Chemistry · Vol. 8, Issue 2, 2022 · pp. 20–33 Read article
-
Predicting the TPH Concentration along Horizontal Direction of Stagnated Water Contaminated with Crude Oil
Abstract: The research predicts and models TPH concentration along Horizontal Direction of Stagnated water contaminated with Crude Oil. TPH diffusion in the stagnant water media was studied using Developed Dispersion and Degradation Model incorporated with first order degradation rate and the Monod equation. TPH content decreased with increase in time, but randomly varied across the depths. The impact of crude oil was more in the fresh water compared to salt water …
Published in International Journal of Chemical Separation Technology · Vol. 9, Issue 1, 2023 · pp. 12–22 Read article
-
Critical Examination on Aluminum Corrosion in Marine water Media Environment
Abstract: Investigation into the critical examination on aluminum corrosion in marine water media environment of Niger Delta in Nigeria was monitored using experimental and theoretical approach. Weight loss was experienced with increase in the period of exposure indicating the occurrence of corrosion of aluminum in both fresh and salt water body. The weight loss and corrosion rate characteristics of the aluminum in the river water media environment was further examine using …
Published in International Journal of Environmental Chemistry · Vol. 4, Issue 1, 2018 · pp. 29–43 Read article
-
Assessment of the Physiochemical Parameters of Aluu Crude Oil Polluted Soil Environment in Niger Delta.
Abstract: Investigation was carried out to examine the effect of Crude oil contamination of Aluu soil and some of the physiochemical parameters. The physiochemical parameters studied were temperature, pH value, electrical conductivity and available phosphorus. The result obtained revealed the significant effect of the crude oil contamination on the physicochemical parameter investigated. The statistical analyses used were analysis of variance (ANOVA) and regression analysis. The time has effect on temperature and …
Published in International Journal of Environmental Chemistry · Vol. 5, Issue 2, 2019 · pp. 30–37 Read article
-
Multivariate modeling of mineral water Karachi, Pakistan
Abstract: In last few decades the demand of mineral water has increased and is very important for human life due to shortage of pure and clean water. The mineral water is produced by various companies with different names and brand with approval of the relevant authorities. The present study was carried out for the preconcentration and determination of trace amount of metals (Cd, Cu, Pb, Fe, Mn, Ni, and Zn) from …
Published in International Journal of Environmental Chemistry · Vol. 5, Issue 2, 2019 · pp. 49–59 Read article
-
Development of Predictive Model on Corrosion of Metals in Swampy Soil Environment
Abstract: The research carried out to examine the usefulness of corrosion in metals in swampy soil. It also reveals the weight loss and corrosion rate in a metal. The following physicochemical parameters which include BOD, COD, pH and microbial activities were modelled. The extent of metal corrosion in swampy soil is dependent on many different and often interrelated factors, trying to predict what may happen to a specific object after wrecking …
Published in International Journal of Environmental Chemistry · Vol. 6, Issue 1, 2020 · pp. 15–29 Read article
-
Bioremediation of Polluted Drainage with Petroleum Hydrocarbon
Abstract: This research was aimed at examining the petroleum product discharge in drainage within Port Harcourt City, samples were collected and mixed. Microbial analysis and physicochemical properties of the sample were determined. The sample was subjected into bioremediation after culturing of the microorganisms isolated, identified and characterized. The two microorganisms used are pseudomonas aeruginosa and aspergillus niger. The results obtained revealed high concentration for heavy crude oil than mixed crude oil; …
Published in International Journal of Environmental Chemistry · Vol. 7, Issue 2, 2021 · pp. 24–34 Read article
-
Effective Utilization of Agricultural Waste for Removal of Heavy Metals from Waste Streams
Abstract: The progress of industrialization and urbanization poses a great threat to the comfort of people's lives. The production and disposal of large amounts of toxic pollutants have severely polluted our environment. The most hazardous contaminants in soils and surface waters include some organic compounds, like synthetic dyes (SD) and toxic substances (heavy metals). It is of great interest worldwide due to its toxicity to many organisms. An important topic is …
Published in International Journal of Environmental Chemistry · Vol. 8, Issue 2, 2022 · pp. 1–11 Read article
-
Comparative Study on Production and Characterization of Bioethanol from Agricultural Waste Materials
Abstract: Production and characterization of bioethanol from lignocellulosic substrates that include sugarcane bagasse, corn cob and cassava peels were investigated in this research study. The raw materials (sugarcane bagasse, corn cob and cassava peels) were sorted, washed, cleansed to remove dirts and dried to remove moisture contents, and crushed into ground form to increase substrate’s surface area of contacts and sieved through a mesh size of 2 mm. The bioethanol distillates …
Published in International Journal of Renewable Energy and its Commercialization · Vol. 8, Issue 2, 2022 · pp. 1–9 Read article