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leon s directo
2 cilt bulundu.
Cilt sonuçları
Two-stage granular activated carbon treatment
Leon S. Directo · Environmental Protection Agency, Office of Research and Development, Municipal Environmental Research Laboratory
64 sayfa · 1978
Activated Carbon / Adsorption / Carbon, Activated / Purification / Sewage
Effect of pretreatment on the filtration of low turbidity secondary effluent
Leon S. Directo · for sale by the National Technical Information Service
75 sayfa · 1980
Coagulation / Filters and filtration / Sewage disposal