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Bahmanpour H, hazarkhani H. Investigation of Parameters Affecting the Release and Emission of Nickel Heavy Metal from Electrical Waste in Aquatic and Soil Environments. Degradation and Rehabilitation of Natural Land. 2020; 1 (1) :11-18
URL: http://drnl.sanru.ac.ir/article-1-133-en.html
Abstract:   (981 Views)
Electronic and electrical wastes are special types of wastes that have toxicity, pathogenicity and reliability in the surrounding environment and even in the body of living beings, corrosion of facilities and equipment and the like. The purpose of this study is to investigate and determine the factors influencing the release of nickel element in the environment. To investigate this effect, the effect of various factors such as temperature, pH, humic compounds (secondary herbal products) and time on the release of nickel element from such wastes to water and soil environments were studied. For this purpose, the selected parts were first milled and after preparation, the samples were tested and analyzed separately in water and soil environment and under acidic, neutral and game conditions. The results showed that in the aquatic environment, the rate of penetration of the nickel element is inversely related to the increase in pH and directly to the increase in temperature. The effect of hamic compounds on release is also greater in the play area. Also, the effect of the contact time parameter varies according to the pH changes. In the soil environment, increasing the humidity, acidifying the environment and increasing the humic compounds increase the release of Nickel.
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Type of Study: Research |
Received: 2020/03/27 | Accepted: 2020/07/13 | Published: 2021/01/5

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