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CHEMICAL ENGINEERING TOPICS

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1. THE USE OF LOCAL PIGMENTS AND EXTENDERS FOR FORMULATION & PRODUCTION OF EMULSION PAINT LETTER OF TRANSMITAL

CHAPTER ONE

INTRODUCTION: Paint is a fluid, or semi-fluid material which may be applied to surfaces in relatively thin layers, and which changes to a solid coating with time.  The coating with time.  The change to a solid material may or may not be reversible, and may occur by evaporation of solvent by chemical reaction, or by a combination of the two.

Paints usually consist of vehicle or binder...

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2. PRODUCTION OF LIQUID AND VAPOURIZED PERFUME

CHAPTER ONE

INTRODUCTION: The word perfumes take its name form the latin word perfumery (to fill with smoke) since in its original form, it was incense burner in Egyptian temple early it was found in a mixture of finely ground spices help together by Mgrrh or storax.

It occur in certain spices and flowers were steeped in fat or oil, the fat or oil would retain a portion of the odoriferous principle which c...

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3. ADSORPTION OF CHROMIUM(VI) AND COPPER(II) IONS FROM WELL WATER IN CHALLAWA INDUSTRIAL AREA USING PECTIN-CHITOSAN POLYELECTROLYTE COMPLEX

ABSTRACT

The aim of the research was to carryout adsorption study of the removal of chromium(vi) and copper(ii) ions from well water using pectin-chitosan polyelectrolyte complex as adsorbent. The optimum pH and ratio of pectin/chitosan was determined and the chitosan/pectin complex was characterized by using FTIR, BET, XRD, and SEM. Finally, removal efficiency of the PEC for chromium and copper was studied under optimum conditions. I.e. 0.4 g adsorbent mass, 1.221 and 0.12 mg/L of...

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4. ANALYSIS OF BUSH PEAR AND ITS OIL

ABSTRACT

The research project studies the analysis of pear and its oil. The mesocarp from edible African pear “DacryodesEdulis” were evaluated for their oil yield. The pulp from this pear were oven dried at 100oC-105oC to a moisture content level of 29%.The mesocarp was subjected to proximate analysis to determine the percentage of the moisture, ash, fat, crude fibre, crude protein and carbohydrate content which resulted to the values of 29%, 2%, 19.6%, 25.5%, 11.9%, and...

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5. ASSESSMENT OF CARBON MONOXIDE (CO) LEVEL IN ENUGU METROPOLIS MONITORING INDUSTRIAL AND RESIDENTIAL AREA

ABSTRACT

Air pollutions pollutant showed that the extent of spreading depends on the motor vehicle traffic population of the area. This pollution strongly generated through combustion of fossil fuels presents difficult environmental challenge to societies as it could degrade the environment and affect human health and quality of life. Vehicular emissions are major contributors to air pollution in urban areas as they contain harmful gases. The levels of carbon monoxide has been inves...

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6. COMPARATIVE ANALYSIS OF COAL, FUEL OIL AND NATURAL GAS FOR CEMENT PRODUCTION

ABSTRACT

This study is a comparative analysis of the use of coal, fuel oil and natural gas for cement production noting their physical and chemical properties, cost and availability, impact on the environment and human health. Out of the seven cement manufacturing industries in Nigeria, three industries use these fuels were selected for the study. The industries are NigerCem –Ebonyi state, Dangote cement –Benue state and UniCem -Cross river state. Questionnaires were use...

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7. DEPURATION STUDIES ON KADUNA REFINERYWASTEWATER USING MODIFIED Cu-DOPED GOETHITE CATALYST

ABSTRACT

Undoped and copper doped goethite catalysts weresynthesized and applied in Fenton depuration of Kaduna refinery wastewater. The percentage of copper in the doped catalysts are 0.2 wt% copper in Cu-doped (A), 1.6 wt% copper in Cu-doped (B) and 3.3 wt% copper in Cu-doped (C), respectively. Characterization of the catalysts were done using X-ray Diffraction (XRD), Scanning Electron Microscopy (SEM), Atomic Absorption Spectrophotometer (AAS) and Surface Area Analysis. An experi...

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8. DETERMINATION OF PHYSICOCHEMICAL AND HEAVY METAL CONTENT OF SOIL AROUND THE VICINITY OF SELECTED INDUSTRIES IN KADUNA METROPOLIS

ABSTRACT

The soaring trend of environmental contamination by heavy metals is a global issue. The continual monitoring of soils around industrial areas becomes necessary. The present study focused on the physicochemical and heavy metal concentration in soil around the vicinity of selected industries in Kaduna metropolis. The mean pH, electrical conductivity, % organic matter, % sand, % clay and % silt obtained were 7.16±0.35, 362.60 ±10.7µS/cm, 2.92±0.50, 7...

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9. DEVELOPMENT OF CARBON OXIDES SEQUESTRATION FROM YAMAHA EF1000 GENERATOR USING POST-COMBUSTION CAPTURE TECHNIQUE

ABSTRACT

This work aimed atdevelopment of carbon oxides sequestration from Yamaha EF1000 generator using post - combustion capture technique. The state of the art is the use of monoethanolamine as sorbent for carbon sequestration. The present study postulated reaction mechanism of sawdust ash leachate with CO2 from flue gas and examined the use of the leachate as sorbent for capture of CO2 and CO from Yamaha EF1000 generator as the source of flue gas. A prototype absorber was design...

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10. DEVELOPMENT OF BIOSURFACTANTS-IRON OXIDE NANOPARTICLES- BIOCHAR FORMULATION FOR REMEDIATION OF CRUDE OIL CONTAMINATED SOIL

ABSTRACT

Biosurfactant-mediated degradation of contaminants is practical and safe environmental remediation agent. In addition, iron oxide nanoparticles and biochar are bioremediation agents with great potentials due to their strong adsorption capacity, microbial growth enhancement and chemical inertness. Therefore, a combination of biosufactant, iron oxide nanoparticles and biochar could produce a very desirable and efficient alternative to conventional environmental treatment of c...

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11. DEVELOPMENT OF EUCALPYTUS TERETICORNIS COMPOSITE (BARKS AND LEAVES) ADSORBENT FOR ADSORPTION OF CHROMIUM (VI) AND LEAD (II) IONS FROM SIMULATED WASTEWATER

ABSTRACT

The research titled Development of Eucalpytus tereticornis composite for chromium

(VI) and lead (II) ions adsorption from simulated wastewater was aimed to establish the efficacy of Eucalpytus tereticornis composite as an adsorbent applied in the adsorption of Cr6+ and Pb2+ ions from simulated solution of respective ions. The adsorbent was pretreated with 0.5M of Nitric acid to remove the adsorbent colouration and soluble organic compound. Characterization of the...

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12. DEVELOPMENT OF PILOT SIZE PROCESS FOR ZEOLITE Y AND ZSM-5 PRODUCTION FROM KANKARA KAOLIN

ABSTRACT

The successes recorded at the laboratory for the synthesis of zeolite Y and ZSM-5 using Kankara kaolin sourced from Katsina state, Nigeria as starting material necessitated the need for upscale of the production process. This thesis focused on the development of three pilot size production units and characterizing the products obtained from those units. Pilot size reactors for dealumination and production of zeolite Y and ZSM-5 were developed and test run. Manual means of d...

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13. DYNAMIC MODEL DEVELOPMENT AND RECEDING HORIZON CONTROL OF BLOOD GLUCOSE CONCENTRATION

ABSTRACT

Biological systems usually consist of large number of components and involve processes at a variety of spatial, temporal and biological scales. This study presents a framework for model identification and the use of Global Sensitivity Analysis (GSA) in systems biology modelling and shows how the information content of clinical data from Short Insulin Tolerance Test (SITT) can be handled by optimal model-based estimation techniques. The goal is to identify dynamic model of t...

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14. EFFECT OF DATE SEED POWDER FILLER ON PROPERTIES OF HIGH-DENSITY POLYETHYLENE

ABSTRACT

High-density polyethylene composites of date seed powder were prepared at filler loadings of 0 to 40wt%. The particle sizes of the date seed powder investigated were 72, 125, 150 and 180µm. Calcium carbonate was used as a reference filler. The high- density polyethylene composites were prepared in a two-roll mill machine and the resulting composites were extruded as sheets. Mechanical, thermal, morphological and physical properties of the composites were determined. R...

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15. EFFECT OF PARTICLE SIZE ON OIL YIELD USING SCENT BEAN SEED (‘OZAKI’).

ABSTRACT

This project was done to extract and characterize bean oil according to their particle sizes. The experiment was carried out using scent bean (i.e. ‘Ozaki’, ‘Ijilizi’or ‘Azamu’) as sample. The oils were extracted by solvent extraction

/leaching extraction using n-hexane. Proximate analysis was carried out to obtain percentage moisture content, ash content, total oil content, protein content and carbohydrate content of the extrac...

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16. EVALUATION OF THE USE OF MANGO PEEL, BANANA PEEL AND ALLIGATOR PEPPER POD EXTRACT AS CORROSION INHIBITOR ON CARBON STEEL IN ACIDIC MEDIUM.

ABSTRACT

This work investigates the use of extract of alligator pepper pod, mango peel and banana peel as inhibitors to carbon steel corrosion in an acidic industrial environment (oil refinery). Corrosion weight loss method was adopted on the carbon steel coupons to evaluate inhibition efficiency in the presence of these plant extracts. The corrosion inhibitor was extracted with the aid of Soxhlet apparatus.

Corrosion rate (CR), Inhibitor Efficiency (IE) and Weight loss (∆...

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17. EXTRACTION AND CHARACTERISATION OF MALTENE AND ASPHALTENE FROM AGBABU BITUMEN

ABSTRACT

Extraction is an important separation process for separating high value-added light oils from unconventional oils matrix such as bitumen and extra heavy oil. Thus it is important to understand the extraction process and the characterization of its products. Extraction of Agbabu bitumen yield 54.3 % maltene, 23.7% asphaltene and 21% impurities. The yield of maltene is almost twice (2 times) the yield of asphaltene. Agbabu bitumen, maltene and asphaltene fractions were analyz...

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18. EXTRACTION AND FORMULATION OF PERFUME FROM LEMONGRASS LEAVES

ABSTRACT

Perfume extraction refers to the extraction of aromatic compounds from raw materials, using methods such as distillation, solvent extraction, expression or enfleurage. The extracts are either essential oils, absolutes, concretes, or butters, depending on the amount of waxes in the extracted product. Heat, chemical solvents, or exposure to oxygen in the extraction process denature the aromatic compounds, either changing their odour, character or rendering them odourless. In...

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19. FURFURAL PRODUCTION FROM MICROALGAE

Abstract

This research focused on the production of furfural from microalgae biomass and optimizing the process parameters using Response Surface Methodology (RSM). Furfural production was carried out by hydrolysis of Pentosans to Pentoses where Pentosans in hemicelluloses is hydrolyzed with dilute mineral acids and NaCl as a promoter at relatively low temperature to pentoses and subsequent dehydration of pentoses to furfural in a single stage process. Central Composite Design (CCD)...

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