METHOD OF PURIFICATION OF SEWAGE

FIELD: sorption purification of sewage in pulp and paper, petrochemical, metallurgical and food industries. SUBSTANCE: sorbent is ash resulting from burning slime lignine which is pulp and paper production waste. Ash comprises (wt %): C, 14.0-16.0; Fe2O3, 4.0-6.0; CaO, 2.5-3.5; SiO2, 6.8-7.2; Al2O3,...

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Bibliographische Detailangaben
Hauptverfasser:	BOGDANOV A.V, MIRONOV A.P, IVANOVA M.A, LEONOV S.B
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	FIELD: sorption purification of sewage in pulp and paper, petrochemical, metallurgical and food industries. SUBSTANCE: sorbent is ash resulting from burning slime lignine which is pulp and paper production waste. Ash comprises (wt %): C, 14.0-16.0; Fe2O3, 4.0-6.0; CaO, 2.5-3.5; SiO2, 6.8-7.2; Al2O3, 68.0-72.0. EFFECT: higher degree of purification of sewage of complex composition and cheaper sorption process. 20 ex, 1 tbl