Masters theses : Science

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Blending of vegetable oils 0 prepare t the hard water
(Neelain University, 1983) Obaid Basher Ismaiel Ahmed
Abstract Soap forms cruds with hard water and these increases as hardness of water increases. This will cause a great amount of soap to be lost as precipitate because it forms insoluble compound before foaming or lathering. On the other hand detergent will not form cruds with hard water because it forms soluble compounds that can easily dissolve in hard water. The aim of this project is to find a suitable sample soap to resist the hard water of Red Sea region especially in Port-Sudan town. This is done by blending different vegetable oils abundant in Sudan e. g groundnut oil, sesame oil, sunﬂower oil ,and cotton seed oil with some imported oil e.g. coconut oil , palm oil and palm-kernel oil which are the main components of sea soap. _ To select the best blended oil to synthesis a sample soap which forms less cruds or precipitate on the most)hard water in port Sudan, with \ comparison lo laboratory prepared detergent. Finally after finding the best blended oil, we mixed it withl% sulphonic acid (component of detergent) /éu increase its surface tension to get better sample soap that can resist hard water of Port Sudan town. Analysis of physical and chemical properties of both blended oil and synthesis soap was carried out.