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1. HAZARDOUS CHEMICAL SOURCES AND EFFECT ON THE ENVIRONMENT

ABSTRACT: This study was carried out on hazardous chemical sources and effect on the environment using SAIDI Nigeria Limited as case study. To achieve this 2 research hypothesis were formulated.  The survey design was adopted and the simple random sampling techniques were employed in this study. The population size comprise of the entire Staff of SAIDI Nigeria Limited, Abuja. In determining the sample size, the researcher purposively selected 40 res...

2. EFFECT OF BINDERS ON THE PROPERTIES OF COAL BRIQUETTE BLENDS PRODUCED WITH DIFFERENT BIOMASSES

ABSTRACT

The production and characterization of briquettes from mixtures of coal, corn cob and rice husk has been carried out. The briquette samples were produced by blending varying compositions of coal and rice husk, also coal and corn cob at the ratios of 100:0, 80:20, 60:40, 40:60, 20:80 and 0:100 using bitumen, starch, calcium sulphate and cement as binders and calcium hydroxide as desulphurizing agent. The briquettes were produced mechanically using a manual briquetting machin...

3. EVALUATION OF PHYSICOCHEMICAL, POLYMERIC AND METAL CONTENTS OF SELECTED TROPICAL TIMBERS IN NIGERIA

ABSTRACT

The qualitative and quantitative phytochemical analyses of 50 timbers of Nigeria were carried out. The physicchemical properties such as polymeric test, phytochemical test, solubility test, proximate analyses, saponification value, iodine value, acid value and peroxide value and elemental analyses of the wood species were determined. Results showed that the range of experimental values of the chemicals as well as other physical parameters were: moisture content (9.2 ±...

4. EXTRACTION OF COLBALT(ΙΙ), COPPER(ΙΙ) AND NICKEl(ΙΙ) IONS FROM AQUEOUS MEDIUM INTO CHLOROFORM SOLUTION OF N, N1 –ETHYLENE BIS (4-PROPIONYL-2,4-DIHYDRO-5-METHYL-2-PHENYL- 3H-PYRAZOL-3-ONE) IMINE (H2PrEtP).

ABSTRACT

Liquid – liquid extraction of Ni(II) Co(II) and Cu(II) ions from buffered solution into N,N1 -ethylenebis (4-propionyl-2,4- dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one) imine (H2PrEtP) Schiff base as a function of pH and concentration of solution was investigated. The synergistic effect of 4-propionyl-2,4-dihydro-5- methyl-2-phenyl-3H-pyrazol-3-one (HPrP) have all been investigated and optimized. Effects of complexing species alongside anionic substances and certain mi...