William Iyama

Rivers State College of Health Science and Technology · School of Foundation Studies

Heavy Metals Levels in soils used as a waste receptacle in Rukpokwu, Obio/Akpor, Port Harcourt, Rivers State, Nigeria were assessed. The heavy metals were determined using Atomic Absorption Spectroscopy methods. The mean levels of the heavy metals investigated in the soil of temporary dumpsites of Rukpokwu were; iron (Fe) 256.649±17.533mg/Kg, lead...

This study demonstrated that Moringa oleifera seed biomass (MOSB) has the potential to be used as a natural alternative in the removal of lead (Pd), cadmium (Cd), and copper (Cu) from water which was justified by the level of toxicity, environmental unfriendliness, and costly nature of chemical coagulants presently used. The Fourier Transform Infra...

This study was based on the evaluation of the efficiency and applicability of Moringa oleifera seed biomass (MOSB) as adsorbent in the removal of Lead (Pb) in water. The study was justified by the toxic nature of the study metal as the current conventional processes of heavy metals' removal are not environmentally friendly and chemical coagulant ve...

study was based on the evaluation of the potential effectiveness of Moringa oleifera seeds biomass as a biosorbent in the removal of copper (Cu) in water which was justified by the level of toxicity, environmental unfriendliness and costly nature of chemical coagulants presently used. Fourier transform infrared (FTIR) analysis was used to identify...

This study was based on the evaluation of the efficiency and applicability of Moringa oleifera seed biomass (MOSB) as adsorbent in the removal of lead (Pb) and cadmium (Cd) heavy metals in water. The study was justified by the toxic nature of the study metals as the current conventional processes of heavy metals’ removal are not ecosystem friendly...

This study assessed the concentration of heavy metal, such as lead (Pb), cadmium (Cd), Chromium (Cr), iron (Fe), Nickel (Ni), and Silver (Ag), in Vernonia amygdalina Delile and agricultural soils of three university farms located in Port Harcourt, Nigeria. The soils and plants were taken randomly to form composite samples and analyzed for heavy met...

The levels of physicochemical properties of Mini Whuo Stream in Port Harcourt, Rivers State, Nigeria was evaluated. The physicochemical parameters were analyzed using standard conventional procedures. The average values recorded for the physicochemical parameters during the months of investigation were in the range; temperature; 30.00±0.42-30.26±0....

Soil samples were collected at a depth of 0-30cm within two steel markets and a control site in Port Harcourt, Rivers State Nigeria to assess the level of heavy metals (Fe, Pb, Cu, Cd, Cr, Ni and As) in the environment. Atomic Adsorption Spectrophotometer was used to analyze the samples for heavy metals. The concentrations of all the heavy metals i...

This research study was based on the comparative analysis of hydrocarbon content of soil samples from the 3-selected university campuses of Uniport, RSU and IAUE. Samples were collected from three different points to establish the composite samples within spaces of 500m apart as to obtain representative samples. The parameters for the determination...

Soil samples were collected from three asphalt hot mix stations and examined for heavy metals using standard procedures. The results obtained showed that the concentrations of the heavy metals occurred in the order; iron (Fe)>zinc (Zn)>chromium (Cr)>lead (Pb)>copper (Cu)>nickel (Ni)>arsenic (As)>cobalt (Co)> cadmium (Cd). All the metals examined in...

This study was aimed at determining the variations of some heavy metals in soil sample between Mile 3 (M3) and Mile 4 (M4), all in Diobu, which are both primarily business and residential areas when compared to the control represented by the Rivers State University (RSU), Port Harcourt. The Azuka Index (Ai) was used to determine the Safety Factor I...

Sediment samples were collected from surface of sediments from parts of the mangrove wetlands of the New Calabar River at points of effluents discharge. The samples were treated according to standard procedures and analyzed for the concentrations of polycyclic aromatic hydrocarbons (PAHs). The results showed the presence of ten PAHs at Iwofe Jetty...

Samples of surface water were collected from Edagberi Creek from three different stations at intervals of two months for a one-year period. The samples were treated using standard methods and then analyzed for heavy metals concentrations using atomic absorption spectrophotometry (AAS). The metals analyzed were manganese (Mn), mercury (Hg), cadmium...

Water samples collected from three points along the Elelenwo River in the months of June July and August were analyzed for some physicochemical parameters. The results showed variations of the parameters in the sampled locations and months. conductivity, turbidity, chlorides, and sulphates were higher than the recommended limit for domestic water b...

Background and Objective: Waste generation and disposal is a common issue all over the world. The problems associated with its disposal on the immediate environment calls for intense concern by man. This is due to contamination and pollution problem associated with wastes. This study was carried out to determine the levels of physical parameters fr...

This study was aimed at assessing the pollution load of the Woji Creek River Water in Port Harcourt, Nigeria. This was based on eight water quality parameters of THC, PAHs, TOC, TOM, Oil/Grease, DO, COD and BOD using three study stations in each area composed of the Woji, Akpajo and Rumuwoji River Water

This study was based on the assessment of heavy metal content of drain water within the vicinity of cement factory and other associated activities. Heavy metal concentration analysis was done using the atomic absorption spectrophotometer as described in APHA 3111B and ASTM D3651. The present research work deals with the study of seven (7) heavy met...

It is on Assessment of Heavy Metal Content of Drain Water with in Cement Production Environment in Port Harcourt, Nigeria

Soil samples were collected from three dumpsites (Chakiricha, Psychiatric and Rumuokwuta) within Port Harcourt metropolis and examined for the concentrations of polycyclic aromatic hydrocarbons (PAHs). The study showed that there was heavy presence of PAHs in the dumpsites. The total concentrations of PAHs in the dumpsites were in the order; Rumuok...

This study was carried out to determine the levels of physical parameters from some selected dumpsites in Port Harcourt metropolis. The study of water bacteriology was to establish a trend with the other physicochemical parameters. Leachates from the 3-selected dumpsites were analyzed and compared with the seasons, controls and established standard...

Water samples were collected from Elelenwo River between the periods of three months (June-August year) and analyzed for heavy metal content. The concentrations of the metal observed within the period showed the order of concentration as; iron (Fe) > zinc (Zn) > silver (Ag) > chromium (Cr) > copper (Cu) > cobalt (Co) > lead (Pb) > cadmium (Cd) > ni...

This study was aimed at the determination of chemical and gross organic pollutants levels in leachates from some selected and government approved dumpsites in Port Harcourt metropolis. Leachates from the 3-selected dumpsites were analyzed and compared with the seasons, controls and established standards using descriptive statistical designs. Integr...

Water samples from effluents discharge points were analyzed for polycyclic aromatic hydrocarbons (PAHs) concentration using chromatographic techniques. The result obtained showed the presence of all the PAHs categories in the water samples. The total concentrations of PAHs in the different location showed that Minipiti station was the highest (44.9...

This study was carried out to determine the levels of available nutrient parameters present in leachates from some selected dumpsites in Port Harcourt metropolis. Leachates from the 3-selected dumpsites were analyzed and compared with the seasons, controls and established standards using descriptive and analytical designs. Integrated samples were c...

This study was undertaken to assess the physicochemical quality of the surface water of the Sagbama Creek, Bayelsa State, Nigeria. Samples of water were collected and preserved using trioxonitrate v acid and placed in a cooler of ice for transfer to the laboratory except for insitu measurements for temperature, turbidity, conductivity, TDS, pH, DO...

This study was carried out to assess the heavy metal and nutrient quality of the surface water of the Sagbama Creek, Bayelsa State, Nigeria. Samples of water were collected and preserved using trioxonitrate (v) and in cooler of ice and transfered to the laboratory. Five stations were employed correspondingly with control stations and results were c...

The assessment of the impact of road infrastructure in the developing countries using the Namibian case scenario was done based on the contemporary challenges of road use. This study employed a qualitative technique using a sample size of thirty (30) selected by the simple random sampling technique. The use of charts, tables and frequencies were do...

The chemical composition and anti-nutrient level of J. curcas seeds were investigated before and after various treatments. The proximate composition result revealed that the values of moisture, fats and carbohydrate obtained were reduced after the treatments while the ash, fibre and protein contents were significantly (P < 0.05) increased. The valu...

Background and Objective: Agricultural products and herbs are the source of food and medicine for many people all over the world. One major aspect of agricultural products is the problem of waste after the desired part has been utilized. These parts though considered as waste can serve useful purposes or as resources if effectively tapped. This stu...

This study was based on the determination of microbial and chemical evaluation of different parts of fresh and smoked Tilapia (Oreochromis niloticus) and Catfish (Clarias gariepinus). This was achieved by the study of the microflora of different parts of catfish and tilapia (head, flesh and tail) to determine the microbial diversity of these parts...

The study was based on the perception of the effect of cement dust and particulates on the health and safety of the factory workers in two major cement factories in Port Harcourt, Rivers State by the workers. The use of questionnaires, interviews, observations was adopted for the study. The descriptive research design, simple random sampling techni...

Water samples were collected from the Ntawogba Creek water which traverses the city of Port Harcourt and empties into the Bonny River. Particle size analysis was carried out which indicated much of a sandy soil using recommended techniques for both dredge spoil and the surface water. Result showed that heavy metals increased in the order of Cd <Mn...

This work is focused on the public perception and practical trend in the evolution of impact assessment in Nigeria. It is aimed at comparative analysis of the development of impact assessment in Nigeria as it concerns those of the regulators and the practitioners. It also studied the relevance of impact assessment to the principle of sustainable de...

Pollution arising from anthropogenic activities is a common phenomenon. Soil samples collected from three abattoirs in Port Harcourt (Agip, Iwofe, and Mile III) between the months of January to July. The samples were analyzed for physicochemical parameters after following laboratory procedures, using the appropriate probes. It was observed that the...

Water samples from Rivers within Bassan communities of Southern Ijaw Local Government in Bayelsa State, Nigeria were assessed for quality using physical, chemical and gross organic pollution parameters such as Temperature, Total Dissolved Solids (TDS), Pressure, Conductivity, Turbidity, pH, Salinity, Oxidation-Reduction Potential (ORP), Dissolved O...

The assessment of nutrient and microbiological status of some selected Bassan River waters in Southern Ijaw local government of Bayelsa state, Nigeria was conducted during the wet season. Five (5) water samples were taken from the five communities ( or stations) where two samples were taken each for nutrient and another for microbiology assessment....

Tympanotonus fuscatus acclimated to laboratory conditions for seven days were exposed to different concentrations (30, 60, 90, 120 and 150ml/L) of petrol and a control for 96 hours to examine the acute effect of the petrol on Tympanotonus fuscatus. The response of the Tympanotonus fuscatus in the toxicant showed that mortality was concentration and...

The water quality of the Imonite Creek was investigated based on nine water quality parameters. These include fecal coliform count, BOD, DO, phosphate, pH, TDS, nitrate, turbidity and temperature. Though heavy metals such as Mn, Fe, Pb, Zn and Ca were analysed, they recorded insignificant and trace amounts. The creek water was investigated for a pe...

Water samples from six different locations of the New Calabar River were collected during dredging and analyzed for some physico-chemical parameters. Sixteen water quality parameters were studied which include pH, temperature, fecal coliform count, sulphate, total dissolved solids (TDS), conductivity, dissolved oxygen (DO), biochemical oxygen deman...

Water samples from the Sombreiro River were collected from ten different stations and analysed for some physico-chemical parameters. The physico-chemical parameters include temperature, pH, conductivity, total dissolved solids, phosphate, Nitrate, Ammonia-Nitrogen, sulphate, chloride, Dissolved Oxygen (DO), Biochemical Oxygen Demand (BOD), Alka...

Water samples from the Sombreiro River were collected from ten different stations and analysed for some physico-chemical parameters. The physico-chemical parameters include temperature, pH, conductivity, total dissolved solids, phosphate, Nitrate, Ammonia-Nitrogen, sulphate, chloride, Dissolved Oxygen (DO), Biochemical Oxygen Demand (BOD), Alkalini...