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Laboratory batch experiments were conducted at 20 degrees C to investigate the potential of primary sludge fermentation for the generation of readily biodegradable substrate and to evaluate the effect of fermentation products on mass balance for organic carbon, nitrogen and phosphorus, emphasizing COD fractionation. Fermentation converted between 18 to 30% of the initial volatile suspended solids in the sludge into soluble biodegradable COD. The volatile fatty fraction of the soluble COD was approximately 85% after the fermentation process. The average volatile fatty acid composition in fermentation involved 50% acetic acid, 33% propionic acid, 9% butyric acid and 8% valeric acid, indicating that the most important volatile fatty acid obtained during the biological fermentation process was acetate with more than half of total VFA concentration, which is one of the most important carbon sources for denitrification and biological nutrient removal processes. The recoverable fraction of the fermented sludge supernatant could potentially increase the readily biodegradable COD content of the primary effluent by 5%, together with a potential increase of the soluble nitrogen and phosphorus content by 2%.

ÖZETKüreselleşme nedeniyle tüm dünya ekonomileri hayatta kalabilmek için farklılık yaratmak zorunda kalmıştır. Bu farklılığı yaratmak ancak ikame edilemeyen ürün ya da hizmetlerle mümkündür. Örgütsel yetenekler, firmaların küresel tek pazarda en önemli değerleridir. Örgütlerin temel yetenekleri, sürdürülebilir rekabet üstünlüğü sağlamak amacıyla stratejik ittifak oluşturmaya zorlamaktadır. İttifak içinde olan örgütler küresel pazarlarda daha çok avantaja sahiptir. Bu çalışmanın amacı, örgütlerin stratejik ittifak oluşturmalarında temel yeteneklerinin önemini vurgulamak ve temel yeteneklerin örgütlere ne gibi katkılar sağlayacağını belirlemektir.Anahtar Kelimeler: Temel yetenekler, Stratejik İttifaklar ABSTRACT In order to survive, all world economics must have created differences one another because of the globalization. These differences are possible with nonsubstitutable goods and services. Organizational competencies are the key values of companies in the single global market. To provide sustainable competitive advantages, core competencies of organizations force organizations to create strategic alliance. The organizations with strategic alliance have more advantages in the global market. The purpose of this study is to point out the importance of core competencies on the procedures of strategic alliance of organizations and identify the contributions of core competencies on organizations.