TAILIEUCHUNG - Sổ tay tính toán cơ khí P13

Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS P • A • R • T 3 ENVIRONMENTAL CONTROL Downloaded from Digital Engineering Library @ McGraw-Hill () Copyright © 2006 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use as given at the website. ENVIRONMENTAL CONTROL Downloaded from Digital Engineering Library @ McGraw-Hill () Copyright © 2006 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use as given at the website. Source: HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS SECTION 13 WASTEWATER TREATMENT AND CONTROL Kevin D. Wills, ., . Consulting Engineer Stanley Consultants, Inc. Design of a Complete-Mix Activated Sludge Reactor Design of a Circular Settling Tank Thickening. | Source HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS P A R T 3 ENVIRONMENTAL CONTROL Downloaded from Digital Engineering Library @ McGraw-Hill Copyright 2006 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use as given at the website. ENVIRONMENTAL CONTROL Downloaded from Digital Engineering Library @ McGraw-Hill Copyright 2006 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use as given at the website. Source HANDBOOK OF MECHANICAL ENGINEERING CALCULATIONS SECTION 13__ WASTEWATER TREATMENT AND CONTROL Kevin D. Wills . PE. Consulting Engineer Stanley Consultants Inc. Design of a Complete-Mix Activated Sludge Reactor Design of a Circular Settling Tank Thickening of a Waste-Activated Sludge Using a Gravity-Belt Thickener Design of an Aerobic Digester Design of an Aerated Grit Chamber Design of Solid-Bowl Centrifuge for Sludge Dewatering Sizing of a Traveling-Bridge Filter Design of a Rapid-Mix Basin and Flocculation Basin Sizing a Polymer Dilution Feed System Design of a Trickling Filter Using NRC Equations Design of a Plastic Media Trickling Filter Sizing a Rotary-Lobe Sludge Pump Design of an Anaerobic Digester Design of a Chlorination System for Wastewater Disinfection Sanitary Sewer System Design Selection of Sewage-Treatment Method DESIGN OF A COMPLETE-MIX ACTIVATED SLUDGE REACTOR Domestic wastewater with an average daily flow of Mgd 15 140 m3 d has a five day Biochemical Oxygen Demand BOD5 of 240 mg L after primary settling. The effluent is to have a BOD5 of 10 mg L or less. Design a complete-mix activated sludge reactor to treat the wastewater including reactor volume hydraulic retention time quantity of sludge wasted oxygen requirements food to microorganism ratio volumetric loading and WAS and RAS .

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