Abstract
Different pollutants in soil, water, and other parts of the environment are so important in portraying environmental pollution, and could come from different source of pollutions including industrial activities. Entering metals into the soil by human activities is an important process in the geochemical cycling of heavy metals. Among the potentially toxic metals, mercury, lead, cadmium, nickel, arsenic, selenium and chromium could be named as the most toxic. Each of these elements is used in industrial activities and most of them are considered as by-products of mining, refining and similar industrial activities. Although the establishment of cement factories is usually associated with job creation and other economic aspects, the purpose of economic interests, is inevitable environmental damage caused by cement factories. Therefore, research on pollution originated from factories appears to be necessary. In order to determine the effect of cement production on farmland around Shahrood cement factory, soil samples were taken from surface soils from depth of 0-30 cm. The samples were analyzed using atomic absorption spectrometer instrument after samples preparation using standard frequently used methods. Soil magnetic susceptibility of the samples was also measured using Saskopto meters MFK1-FA. The results showed that among the parameters studied, the element of Zinc has shown the lowest mean value equal to 0.31 mg·kg-1 and iron has shown the highest mean value equal to 6.36 mg·kg-1.
Highlights
Development of the cement industry is going through a growing process
Description of Variables Statistical analysis of the data has been determined, in the form of tables and diagrams. It used six elements, such as Cu, Cd, Pb, Zn, Mn and Fe; Figure 3 shows the mean values of heavy metals concentrations in soils
The results showed that some elements such as iron had the lowest concentration in the soil at the third levels which was the farthest distance from the cement factory
Summary
Development of the cement industry is going through a growing process. In this regard, it is unavoidable environmental damage caused by cement factories. Pollution from factories and industrial activities can be beneficial for the environment. Determination of metals in soil, water, plant and sediment, is so important in portraying of environmental pollution. The transition of metals into the atmosphere by human activities is an important process in the geochemical cycling of heavy metals. Heavy metals are a source of contamination in soil, water and air, which mainly enter the environment through various activities such as mining, manufacturing. Pollution from cement factories, could be the primary dust, heavy metals in calcareous materials, and clay, and kiln fuels. Extraction and processing of mineral resources will have a great influence on soil resources, air, water and biological resources [1]
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