elsayed asmaa (4 Ergebnisse)

Paperback. Zustand: Brand New. 60 pages. 8.66x5.91x0.14 inches. In Stock.

Taschenbuch. Zustand: Neu. Neuware -Waste is any substance which is discarded after primary use, or is worthless, defective and of no use.Disposing of waste has huge environmental impacts and can cause serious problems. Some waste will eventually rot, but not all, and in the process it may smell, or generate methane gas, which is explosive and contributes to the greenhouse effect. Leachate produced as waste decomposes may cause pollutionSo, we use recycling process for converting waste materials into new materials and objects. It is an alternative to 'conventional' waste disposal that can save material and help lower greenhouse gas emissions. The composting or other reuse of biodegradable waste such as food or garden waste is also a form of recycling.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 72 pp. Englisch.

Taschenbuch. Zustand: Neu. Organic waste from an environmental problem to an economic resource | Recycling of different organic waste materials | Asmaa E. Elsayed | Taschenbuch | 72 S. | Englisch | 2020 | Scholars' Press | EAN 9786138925521 | Verantwortliche Person für die EU: BoD - Books on Demand, In de Tarpen 42, 22848 Norderstedt, info[at]bod[dot]de | Anbieter: preigu.

Taschenbuch. Zustand: Neu. Neuware -This research effort focuses on study recycling of used engines oils by solvent extraction / adsorption treatment methods. Also, focuses on comparative study of two type of adsorpent, activated alumina and activated clay.In this work, the recovery of base oil by solvent extraction and adsorption on solids was evaluated experimentally with different solvent mixtures (A,B&C) at different ratios (1:1 ,1:3 &1:5).The physico chemical properties of used oil and all refined oil samples were carried out according to the standard test method ASTM and/or IP.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 140 pp. Englisch.