Sam Isam And The Sbr What Are They And Do They Work2011

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Information about Sam Isam And The Sbr What Are They And Do They Work2011

Published on September 29, 2011

Author: msimms

Source: slideshare.net

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Presentation given at fall 2011 Operator Short Course in West Des Moines, Iowa

SAM / iSAM & the SBR – what are they &do they work? Fall 2011 Short Course

What are they? ISAM™ Integrated Surge Anoxic Mix: a sequencing batch reactor (SBR) with fixed decanter and jet aeration (courtesy Fluidyne Corp website at fluidynecorp.com) 9/1/2011 2

What are they? SAM™ Surge/Anoxic Mix: integrates anoxic and aerobic processes for energy efficient BOD, TSS and nutrient removal (courtesy Fluidyne Corp website at fluidynecorp.com) 9/1/2011 3 On/Off aeration Continuous Fill Aerobic Anoxic Static Interact Scum Treatment Nit/Denit DO or ORP Control

What are they? SBR Sequencing Batch Reactor: a fill-and draw activated sludge system (courtesy EPA factsheet) with no clarifier 9/1/2011 4 On/Off aeration Aerobic Anoxic Static React Anoxic Settle Decant Waste Anoxic Fill Aerated Fill DO or ORP Control

It’s Activated Sludge (in one tank)! A versatile biological process with significant capabilities 5 SBR Conventional Activated Sludge System (2 or more tanks)

Advantages Treatment in one vessel (aeration basin becomes final clarifier) No primary clarifier Flexibility Operator control Smaller footprint Capable for municipal or industrial Produce less sludge than other systems 9/1/2011 Copyright 2011 Mark Simms, President MOR 712-540-0583 6

Advantages Very effective Nitrification and Denitrification within the activated sludge tank before settling Scum handling Proper decanter design and system programming eliminates drawing scum or solids into effluent 9/1/2011 Copyright 2011 Mark Simms, President MOR 712-540-0583 7

Advantages Easy to add on to Can vary influent flows with the SAM/SBR Once stable operator attention can be somewhat minimized “Retrofitable” Can do off site operation with right SCADA With some operational changes may be able to achieve P removal or other Other… 9/1/2011 Copyright 2011 Mark Simms, President MOR 712-540-0583 8

Downside Dependence on programming and controls (sophisticated compared to most other systems) May require more technical maintenance (controls) Inadequate decanters could lead to solids or scum being drawn out when decanting 9/1/2011 Copyright 2011 Mark Simms, President MOR 712-540-0583 9

Downside Inadequate aerators or mixing systems could plug or perform poorly and make operators job harder No primary clarifier Some papers suggest these are limited to 5 MGD or less due to the complexity of controls Takes some time to learn Other… 9/1/2011 Copyright 2011 Mark Simms, President MOR 712-540-0583 10

Do they work (SAM + SBR)? my 1-second answer…. 9/1/2011 Copyright 2011 Mark Simms, President MOR 712-540-0583 11

SAM + SBR the facts… Influent CBOD5 400-800 mg/lInfluent TSS 150-700 mg/lInfluent Ammonia 30-100 mg/lInfluent FOG 35-200 mg/lEffluent CBOD5 <3-8 mg/lEffluent TSS 3-30 mg/lEffluent Ammonia 0-0.7 mg/lEffluent FOG <5 mg/l9/1/2011 Copyright 2011 Mark Simms, President MOR 712-540-0583 12

Influent CBOD5 400-800 mg/l

Influent TSS 150-700 mg/l

Influent Ammonia 30-100 mg/l

Influent FOG 35-200 mg/l

Effluent CBOD5 <3-8 mg/l

Effluent TSS 3-30 mg/l

Effluent Ammonia 0-0.7 mg/l

Effluent FOG <5 mg/l

Do they work (SAM + SBR)? 30 minute answer… It dependsa lot on the operator and his/her resources 9/1/2011 Copyright 2011 Mark Simms, President MOR 712-540-0583 13

9/1/2011 Copyright 2011 Mark Simms, President MOR 712-540-0583 14 What is “Activated Sludge”? Activated sludge is microorganisms (bugs) To properly control the activated sludge process, you must successfully control the growth of the microorganisms. This is where the operator comes in. Control it or it controls you!

15 “Activated Sludge” As wastewater is mixed with air/oxygen A BROWN floc develops Floc contains microorganisms (bugs) & other material Bugs use much of the suspended & dissolved material as food 9/1/2011 Copyright 2011 Mark Simms, President MOR 712-540-0583

So- again “do they work?” Again--- It dependsa lot on the operator and his/her resources So lets talk a bit about that… 9/1/2011 Copyright 2011 Mark Simms, President MOR 712-540-0583 16

If you were a bug… What would you need to survive? What would you need to thrive? 9/1/2011 Copyright 2011 Mark Simms, President MOR 712-540-0583 17

Your most vital resource is… 9/1/2011 Copyright 2011 Mark Simms, President MOR 712-540-0583 18 FLOC (Biomass)

9/1/2011 19 Resource Development

9/1/2011 20 Resource Development

Resource Development 9/1/2011 21

Biomass too young… Poor settling Poor removal rates 9/1/2011 Copyright 2011 Mark Simms, President MOR 712-540-0583 22 Foaming

Foaming

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