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التأكل البايولوجي في الهياكل الحديدية لوحدات إنتاج الطاقة الكهربائية في سد حديثة | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 26, Issue 7, 2008, Pages 303-312 PDF (297.05 K) | ||
| DOI: 10.30684/etj.26.7.14 | ||
| Author | ||
| سامي ابراهيم جعفر الربيعي | ||
| Abstract | ||
| Both fresh water & salt water can sustain thousands of microscopic and macroscopic organisms, which have been observed to live and grow on the steel structure rules for plants of electric power production in sad-haditha. These organisms attach themselves to solid surfaces during their growth cycle. The accumulation of these organisms causes corrosion directly or indirectly by deterioration of metal. They assimilate ferrous iron ions and precipitate them into types of green rusts. Green rust (1) which consists of FeSO4.7 H2O ,4Fe (OH) 3FeSO4. 4H2O ,Fe (OH)2 While green rust (2) consists of [4Fe (OH) 2 (2FeOOH .FeSO4 .4H2O)] The acceleration of corrosion by biological organisms is quite widespread, there has been relatively little detailed research concerned with the identification of these species especially in Iraq & and this describes the aim & the scope of this work. | ||
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