Physicochemical parameters of the western harbor of Alexandria and their effect on the corrosion rate of steel during 2012
Journal Title: Journal of Biodiversity and Environmental Sciences (JBES) - Year 2015, Vol 6, Issue 6
Abstract
This study focuses on the physicochemical parameters of the Western Harbor of Alexandria and the corrosion rate of steel in seawater by using weight loss technique. Triplicate surface water samples were collected seasonally from fixed 10 stations from winter to autumn 2012. The results indicated that the temperature fluctuated between 16.2oC to 27.6oC, with annual average of 22.62oC. Salinity differed between 22.7 and 37.9, with annual average 34.34. The pH ranged from 7.93 to 8.92. Total alkalinity varied between 1.209 and 4.2meq/l, with an annual average of 3.13meq/l. Dissolved oxygen ranged from 1.136 to 15.445 mg/l, the annual average was 8.324 mg/l. Biochemical oxygen demand fluctuated between 0.12 and 10.45 mg/l; the annual average was 3.62 mg/l. Oxidizable Organic Matter ranged between 0.19 and 7.2mgO2/l, with annual average 1.551mgO2/l. While nutrient salts (µmol) displayed wide ranges and annual averages; 0.075- 9.75µmol/l; 2.451µmol/l, 0.476-51.23µmol/l; 13.148µmol/l, 0.005-32.35µmol/l 9.311µmol/l, 0.547-35µmol/l; 9.941µmol/l, 0.702-16.15µmol/l; 3.59µmol/l for phosphate, silicate, nitrite, nitrate, ammonia respectively. N/P ratio showed that phosphorus was the limiting factor. Sulfate fluctuated between 1.015 and 3.25 g/l with annual average of 1.829 g/l. The weight loss was calculated from the differences between the steel panels immersion date in seawater and after 24hrs of immersion in seawater on laboratory scale and the corrosion rate of steel was calculated. The corrosion rates of steel differed between 0.2321 and 0.8998mpy. The annual average was 0.5099mpy. The Water quality index showed that stations 6, 1 and 2 suffered from pollution during summer accompanied by highest silicate, oxidizable organic matter, nitrate and sulfate.
Authors and Affiliations
Hermine Ramzy Zaki Tadros
Keywords
Related Articles
- EP ID EP38479
- DOI -
- Views 183
- Downloads 0
Functional Feeding Groups among Aquatic insects of the East Kolkata Wetlands
Habitat complexity of wetlands supports diverse organisms where aquatic insects control the structure and dynamics of the food web. In the present study, biodiversity features of aquatic insects are dealt with reference...
Investigation of land use change detection using satellite imagery (case study in Behbahan Province hills in Iran)
Change detection using remote sensing data has been intentioned much expansive with researchers in recent years. This study aimed to investigate changes in the area of Zagros forests using satellite imagery using TM and...
Determination of texture characteristics of coastal sediments in East of Bandar Abbas
The studying area is a part of the coastal strip of Bandar Abbas with an approximate length of 8 Km which covers an area between Haghani Port to Ghadirpark (Bandar Abbas). To study the texture properties and characteris...
Impact of awareness on the solid waste generation trend: A case study of A.G. colony, Shaktinagar (Jammu, India)
This paper deals with the impact of awareness on the qualitative and quantitative status of solid waste in A. G. Colony, Shaktinagar, Jammu. About 30% houses were randomly selected and the data regarding solid waste ge...
Modelling and mapping of short duration storms in Northeastern Algeria
One of the natural phenomena that have the greatest impact on humans is heavy rainfall. Thus, knowledge of spatial and temporal distribution of short duration rainfall is of great interest in hydro-technical studies. Thi...