Water Supply and Irrigation Papers of the United States Geological Survey . r o DEPARTMENT OF THE INTERIOR UNITED STATES GEOLOGICAL SURVEY GEORGE OTIS SMITH. DlRECTOK W at Kit-Supply Paper 226 THE POLLUTION OF STREAMS BYSULPHITE PULP WASTE A STUDY OF POSSIBLE REMEDIES BY EARLE BERNARD PHELPS Investigation made at the Sanitary Research Laboratory and Sewage Experiment Stationof the Massachusetts Institute of Technology. WASHINGTON GOVERNMENT PRINTING OFFICE1909 CONTENTS. Page. Introduction 5 Stream pollution by sulphite pulp waste liquor 6 (leneral discussion (i Pollution of Lake Champlain 6 Po
Water Supply and Irrigation Papers of the United States Geological Survey . r o DEPARTMENT OF THE INTERIOR UNITED STATES GEOLOGICAL SURVEY GEORGE OTIS SMITH. DlRECTOK W at Kit-Supply Paper 226 THE POLLUTION OF STREAMS BYSULPHITE PULP WASTE A STUDY OF POSSIBLE REMEDIES BY EARLE BERNARD PHELPS Investigation made at the Sanitary Research Laboratory and Sewage Experiment Stationof the Massachusetts Institute of Technology. WASHINGTON GOVERNMENT PRINTING OFFICE1909 CONTENTS. Page. Introduction 5 Stream pollution by sulphite pulp waste liquor 6 (leneral discussion (i Pollution of Lake Champlain 6 Pollut ion of James River (5 Pollul ion of Potomac River 8 Pollution of Black River 8 Manufacture of sulphite pulp 8 . The wood 9 The acid liquor 9 The digester 10 The cook 11 Screening and washing the stock 12 Bleaching the stock 13 Sun unary 15 Sulphite pulp waste liquor 15 Previous investigations J5 Amount of waste per ton of pulp 18 < hemical composition of the waste liquor 20 (!hemical nut ure of the organic material 21 Purifical ion of sulphite waste liquor 22 Utilization of sulphite waste liquor r 24 Experimental in\ esl igal ions with the organic material 27 Preparal ion of crude lignone 28 Solubilitj of crude lignone 28 Reactions with phosphorus chlorides 28 Fusion with alkali 29 Position of the sulphur jn lignone 29 Read ion- w ith aromal ic amines 30 Reactions of the amine-condensation products with
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