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All published articles 400

Design and Optimization of Lactic Acid Purification Process by Reactive Distillation with Isoamyl Alcohol

Ying Wang, Jumei Xu, Zuoxiang Zeng, Weilan Xue & Zhijie Mao · Asian Journal of Chemical Sciences · 2021

The purpose of this study was to investigate a continuous process for the recovery of lactic acid from fermentation broth. A reactive distillation process to purify lactic acid by esterification with isoamyl alcohol and hydrolysis was designed and simulated by Aspen. Five columns...

Open access Research Article 10.9734/ajocs/2021/v9i119063

Biosynthesis of Manganese Nanoparticles (MnNPs) from Brassica oleraceae (Cabbage leaves) and its Antibacterial Activity

Sharmila Pradhan Amatya & Santu Shrestha · Asian Journal of Chemical Sciences · 2021

Manganese nanoparticles are promising material for various applications such as water remediation, catalytic oxidation reactions, bio sensors, etc for their superior adsorbing, electrochemical, catalytic, magnetic, supercapactive like properties additionally, MnNPs possess signif...

Open access Research Article 10.9734/ajocs/2021/v9i119060

Influence of TiO2 Nanocrystals on Alkyd Resin Paint Films to Protect Metals

Le Huy Hai, Le Mai Xuan Truc & Nguyen Quoc Trung · Asian Journal of Chemical Sciences · 2020

Aim and Objectives: Nowadays, nanomaterials technology is developing very quickly and bringing high economic efficiency for many industries including paint. The purpose of this study is to assess the effect of paint properties when replacing TiO2 powder coating with nano TiO2 at...

Open access Research Article 10.9734/ajocs/2020/v8i419058

Industrial Activities and Heavy Metal Pollution: Assessment of Concentration of Zn, Cu, Cd Cr and, Pb in Soil Samples around Dangote Cement Factory Kogi State, Nigeria

Sani Daniel Eneji, Matthew Chijioke Apeh, Enyojo Samson Okwute, Alowakennu Micheal & Kayode Ibrahim Fesomade · Asian Journal of Chemical Sciences · 2020

This study aims at determining the concentration of heavy metal contaminants in the soil around Dangote cement factory Kogi State, Nigeria. It also seeks to understand the relationship between the heavy metals and the level of concentration with respect to distance and direction...

Open access Research Article 10.9734/ajocs/2020/v8i419057

Quantification of Piperine by TLC Densitometer Method and Forced Degradation Study in a Classical Ayurvedic Formulation-Trikatu Churna

Abdul Qadir, Shahid Husain Ansari, Sayeed Ahmad, Adil Ahmad & Mohamad Taleuzzaman · Asian Journal of Chemical Sciences · 2020

Developed a thin layer chromatography (TLC) method for the quantification of piperine in Trikatu Churna formulation it is a major and important ingredient in the formulation. TLC methods for the determination of piperine in the Trikatu churna along with its raw materials have bee...

Open access Research Article 10.9734/ajocs/2020/v8i419054

Quality Analysis for Different Samples of Fats

E. E. Shehata · Asian Journal of Chemical Sciences · 2020

Fats and oils are essential in human nutrition, and an important component of many foods where they significantly contribute to product quality. The quality of different samples of fats from various companies in Saudi Arabia was determined based on its physicochemical properties...

Open access Research Article 10.9734/ajocs/2020/v8i419055

Walnut Shell Modified by Thionyl Chloride and Triethylamine: Synthesis and Characterization

Zhijie Mao, Zuoxiang Zeng, Weilan Xue & Ying Wang · Asian Journal of Chemical Sciences · 2020

A novel modified walnut shell (TWNS) was prepared through sequentially reacting the walnut shell (WNS) with thionyl chloride and triethylamine in N-methyl pyrrolidone to remove Reactive Brilliant Blue from dye wastewater. Fourier transform infrared (FTIR) and scanning electron mi...

Open access Research Article 10.9734/ajocs/2020/v8i419052

Partial Purification of a Catalase from an Improved Nigerian Sorghum Grain Variety

C. I. Nnamchi, B. C. Nwanguma & O. C. Amadi · Asian Journal of Chemical Sciences · 2020

Catalases are key components of cellular detoxification pathways that prevent the formation of highly reactive hydroxyl radicals through catalyzing the decomposition of hydrogen peroxide into water and molecular oxygen. Their presence in brewery grains prevent the inactivation of...

Open access Research Article 10.9734/ajocs/2020/v8i419051

Physicochemical Characteristics and Heavy Metal Levels of Four Rivers in Nkanu West and Nkanu East Local Government Areas of Enugu State Nigeria

Melford C. Egbujor, Ogechi J. Ogbodo, Jacob A. David, Eramus O. Anieze, Ifeanyi S. Amasiatu & Pius I. Egwuatu · Asian Journal of Chemical Sciences · 2020

The physicochemical properties and the concentrations of heavy metals of water samples collected from four different rivers of Nkanu east and west Local Government Areas of Enugu of state Nigeria were investigated because of the prevalent water borne diseases in these localities...

Open access Research Article 10.9734/ajocs/2020/v8i419050

Physicochemical Evaluation of the Oil Extracted from Anacardium occidentale Almonds for Energy Use

Yete Pélagie, Togbe F. C. Alexis, Yovo Franck, Suanon Fidèle, Kouwanou Sagbo Cosme, Wotto D. Valentin & Sohounhloue Dominique · Asian Journal of Chemical Sciences · 2020

The present study aimed at exploring the potential of producing biofuels from unconventional vegetable oils extracted from Anacardium occidentale kernels. Accordingly, oils were extracted from Anacardium occidentale kernels and subjected to physical and chemical characterization...

Open access Research Article 10.9734/ajocs/2020/v8i419049

Enzymatic Hydrolysis of Blend of Lignicellulosic Materials for Reducing Sugar Production: Screening of Significant Process Factors

Bathlomew Chukwudi Amadi, Philomena Kañulia Igbokwe & Chijioke Elijah Onu · Asian Journal of Chemical Sciences · 2020

The screening of the process parameters on the enzymatic hydrolysis of a blend of two lignocellulosic materials - corn cob (CC) and deseeded fluted pumpkin fruit (DFPF) using Trichoderma reesei was the focus of the present study. Four process parameters – time, temperature, subst...

Open access Research Article 10.9734/ajocs/2020/v8i419048

Chemical and Microbiological Assessment of Aadun Produced from Varying Proportions of Maize and Plantain Blends

F. O. Ibitoye, T. R. Elehinafe, O. Y. Komolafe & A. R. Osaloni · Asian Journal of Chemical Sciences · 2020

In this study, a maize based local snack aadun was formulated from yellow maize flour and ripe plantain blends in a bid to improve its quality. The snacks were subjected to microbial analysis using pour plate method, proximate composition, mineral content and the sensory properti...

Open access Research Article 10.9734/ajocs/2020/v8i319047