Why we need Clean Water & Greener Grass…………

Babbitt International, Inc.Babbitt International, Inc.

MixingDryingFeedingSamplingWeighingPackagingConveyingDust CollectionInstrumentationBulk Materials

Processing

SCOTTBiosolids System

The BEST Complete Biosolids Drying System

Diversified MarketsDiversified MarketsAgriculture Mineral Pet Food

Chemical Pharmaceutical Rendering

Food Plastic Wood

Foundry

ServicesServicesTesting Facility

Equipment Rental Program

On-Site Repair Service

3M COMPANYA. SCHULMANA.L. GILBERTADMALABAMA FEEDALLEN BRADLEYALLIED MILLSALLIED SIGNALALPO PET FOODAMERICAN CYANAMID CO.AMERICAN INSTANTS INC.AMERICAN PROTEINSANCOMEXANDERSON INTLATOCHEMB.F.I.BASFBAUSCH & LOMBBEACON MILLINGBETHLEHEM STEELBIG GRAINBIG SPRING MILLBORDEN CHEMICALBORTON PACKAGINGBRISTOL MEYERSBUNGE FOODSCAGLES FEED MILLSCAMPBELL SOUPCANADIAN GYPSUMCARGILLCARROL’S FOODSCENEXCENTRAL SOYACHEMDOLCHEVRON CHEMICALCIBA-GEIGY COLORITE PLASTICS CON AGRA

CONTINENTAL NITROGENCONTINENTAL GRAINCOOPER FARMSCROMPTON & KNOWLSCRYSTAL FARMSDARLING DELAWARE DOMAINDOMTAR GYPSUMDOW CHEMICALDUPONTEASTMAN KODAKECO LABELI LILLYENGELHARDEUCLID CHEMICALEVERPUREFARMLANDFEED RITEFERMENICHFMC CORPFORD MOTOR CO.FORMA FEEDFOSTER FARMSFS GROWMARKGENERAL MILLSGEORGIA PACIFICGEORGIA PROTEINGILSTERGOLDEN SUN FEEDGRAIN PRODUCTSGRAMCOGREAT LAKES CARBONGRIFFIN INDUSTRIESHB FULLERHEINZHERCULESHERSHEYHILLS PET PRODUCTS HOESCHT-CELANESE HONDA OF AMERICAHORMEL FOODSHUBBARD MILLING

HUDSON FOODSHUISH DETERGENTHUNT WESSONHYLINEIAMS COMPANYIBPICIINDIVINTL MULTIFOODSJAMES RIVER LIMESTONEJENNIE O FOODSJEROME FOODSJM HUBERJOHNSON MATTEYJR SIMPLOTKAL KANKIMBERLY CLARKKRAFT/GENERAL FOODSLAND O LAKESLEAF CORPLEMNA CORPLEVER BROTHERSLIPTON TEALOCKHEED MARTINLOCKITEM & M MARSMALT O MEALMARSCHALL PRODUCTSMc CORMICK SPICEMERCK PHARMACEUTICALMILK SPECIALITIESMOBILE CHEMICALMONARCH FOODSMONSANTOMURPHY FARMSNABISCONATIONAL STEEL NATURAL BY-PRODUCTSNEENAH FOUNDRYNESTLENORCI CHINOOKNUTRENA

OCCIDENTAL CHEMICALOHM CORPORE IDAOWENS CORNINGPENFORD PRODUCTSPERDUEPFIZER INC.PHILLIP MORRISPILLSBURYPOLY CARBONPOLY FLEXPRESTAGE FARMSPURETEKQUAKER OATSQUIKRETERALSTON PURINAREICHEL & DREWSRHOME & HAASRHODIARJ REYNOLDSSAFETY KLEENSANDERSON PLUMBINGSANDOZ NUTRITIONSAUDER WOOD WORKINGSAVANAH SUGARSEABOARD FARMSSENECA FOODSSIGMA CHEMICALSMITH KLINE BEECHUMSOUTHERN STATESSWISS MISSTYSON FOODSUNIROYALUNITED STATES GYPSUMUNITED SUPPLIERUNOCALW.R. GRACEWAUPACA FOUNDRYWESTINGHOUSE

CustomerCustomerIndexIndex

Minute Mix 200Pugmill

Tender Blend MixerHigh Speed Turbo Blender

Mixing EquipmentMixing EquipmentHorizontal Ribbon Mixer

Horizontal Paddle MixerPlow Mixer

Rotary Drum MixerTwin Shaft Batch Mixer

Blending EquipmentBlending Equipment

Size ReductionSize ReductionASM Fine Grinder

Dominator CrusherShredderizer

Turbo SeparatorTurbo Grinder

Processing EquipmentProcessing Equipment

Storage EquipmentStorage EquipmentSmooth-Wall Storage Bins

ProductProductLineLine

AST Dryer (patented)Particulate Capture Unit (patented)

CoolerSeparator

SScott EEquipment CCompanyA global provider of processing equipment

throughout the United States and many foreign countries.

AUSTRALIA KOREABARBADOS MALAYSIABOLIVIA MEXICOBRAZIL NEW ZEALANDCANADA NICARAGUACHILE NIGERIACHINA OMANDOMINICAN REPUBLIC PHILIPPINESECUADOR PUERTO RICOEL SALVADOR RUSSIAENGLAND SAUDI ARABIAGERMANY SINGAPOREGUATEMALA SCOTLANDHOLLAND TAIWANHONDURAS THAILANDINDIA TURKEYINDONESIA TURKMENISTANIRAN UKRAINEIRELAND VENEZUELAJAMAICA VIETNAMJAPAN

GlobalGlobalIntegrationIntegration

EEngineering FFirms

SServiced by SScott EEquipment CCompany

A.V.C.A. O.A. NEWTONBECHTEL PARSONS ENGINEERINGBORTON PMIBURNS & McDONNELL PSI C J SCHNIEDER RAYTHEONCFW REIMELTCOLT RO-TECHDEAN OLIVER SEIE.A.P.C. SIMONS-EASTERNEPSTEIN STONE & WEBSTERFLUOR DANIEL SUNFIELD ENGINEERINGJOHN BROWN SVERDRUPKEN BRATNEY T.E. IBBERSONJACOBS ENGINEERING THE WASHINGTON GROUPLOCKWOOD GREEN TODD & SARGENTMILL TECHNOLOGY WAGESTER LEASEMILLPOINT INDUSTRIES WOLVERINE MORRISON-KNUDSEN YOUNGLOVE

EngineeringEngineeringFirmsFirms

DUST COLLECTORCOLLECTS PRODUCTFROM THE AIR STREAM

AST Drying System and Dryer Shaft

Looking for sewage disposal alternatives because of…

Storage limitationsStorage limitationsSeasonal spreading OR land shortageSeasonal spreading OR land shortageIncreased likelihood of effluent permit violationsIncreased likelihood of effluent permit violationsOperational problemsOperational problems

…then look to SCOTTSCOTTfor the answer.

Why SCOTT EQUIPMENT?Why SCOTT EQUIPMENT?

Over 38 years experienceOver 38 years experience

Quality custom equipmentQuality custom equipment

Proven track recordProven track record

Responsive to customerResponsive to customer’’s needss needs

Patented AST DryerPatented AST Dryer

InIn--house testing facilityhouse testing facility

Family owned and operatedFamily owned and operated

Diverse customer baseDiverse customer base

Why Scott Biosolids System ?

The The BESTBEST CompleteComplete Biosolids Drying Package on the MarketBiosolids Drying Package on the Market

ECONOMICALECONOMICAL

““TopTop--NotchNotch”” Engineering, Fabrication, Installation Engineering, Fabrication, Installation

Produces Pathogen Free, Produces Pathogen Free, Class AClass A SludgeSludge

No more storage & sludge spreading problemsNo more storage & sludge spreading problems

Produces a marketable productProduces a marketable product

Superior Customer ServiceSuperior Customer Service

Operation Overview2% Solids2% Solids entering dewatererentering dewaterer

20% Solids20% Solids entering AST Dryerentering AST Dryer

90% Solids90% Solids entering pellet millentering pellet mill

Scott Biosolids System Overview

Fan Vented To Atmosphere Or Thru Baghouse

Load Out orDown-Stream

Processing

Elevator

MixerFeeder

AST Dryer

FilterBaghouse Fan Pellet Plant

Pellet Mill

Bin

Collector

Cooler

Shaker

Bin

BaggerBelt Press

20%

Solids

Fine

s

Fan

SSCOTT COTT ASTAST DDRYERRYER

Reduces sludge moisture from 90% to 10% in a single passReduces sludge moisture from 90% to 10% in a single pass<60 second retention time in the Dryer <60 second retention time in the Dryer –– instantaneous results from adjustmentsinstantaneous results from adjustments

Successfully reduces Pathogens (Fecal Coliform) from 96,000 to <Successfully reduces Pathogens (Fecal Coliform) from 96,000 to <140 140 Produces Class A sludgeProduces Class A sludgeComputerized controller automatically starts and controls dryingComputerized controller automatically starts and controls drying operationoperationStartStart--up and Shutup and Shut--down with touch of a buttondown with touch of a buttonDryer is easily accessible for maintenance or internal adjustmenDryer is easily accessible for maintenance or internal adjustmentsts

Advantages to Heat Drying

Volume reduction (approximately 75%)Volume reduction (approximately 75%)Class A (pathogen reduction)Class A (pathogen reduction)Relatively simple to controlRelatively simple to controlNo chemical or lime addition costsNo chemical or lime addition costsLow odor production (when used with Low odor production (when used with aerobically digested solids)aerobically digested solids)Cool, Clean (dust free) productCool, Clean (dust free) product

AST Dryer System

Success in Hutchinson, MinnesotaCity of Hutchinson, MN Biosolids System

Approximate population 11,500Approximate population 11,500

Sludge is dewatered using two belt filter pressesSludge is dewatered using two belt filter presses

Sludge is dried in AST Drying SystemSludge is dried in AST Drying System

Product is made into pellets or granular formProduct is made into pellets or granular form

Finished product is applied to city parks and golf Finished product is applied to city parks and golf course lawnscourse lawns

AST Dryer CalculationsLbs. Products/hr. = 5000 Discharge % moisture = 10 Specific Heat = 0.50 Discharge Temp F = 180Inlet % Moisture = 80 Air Temp In – Dew Point = 70Inlet Temp In F = 70 Air Temp Out F = 260

Max Temp @ Burner = 900

PRODUCT GOING IN1) 5,000 LBS./HR. of PRODUCT IN2) 4,000 LBS. WATER3) 1,000 LBS. SOLIDS

PRODUCT OUT OF DRYER4) 1,111 LBS5) 111 LBS. WATER6) 1,000 LBS. SOLIDS

NEED TO REMOVE7) 3,889 LBS. WATER/HR.

BTU’S REQUIRED 20,400 10,000 SCFM8) 55,000 BTU to heat solids9 ) 3,888,889 BTU to evaporate water10) 440,000 BTU heat to water11) 2,052,000 BTU to heat SCFM12) 643,589 BTU to heat losses

7,079,478 TOTAL BTU’s REQUIRED

ACFM CALCULATION13) 13,585 ACFM14) 1,815 ACFM Water Vapor

15,400 Fan Needs to Handle ACFM of Vapor

AIR TEMP IN15) 726 Air temp required into Dryer

WEIGHT OF GASES16) 750.0 LBS. of air per minute17) 64.8 LBS. water vapor per minute

0.000 Static Density of Vapor680.0 LBS. Water Vapor In/Min.195.1 Total Water Vapor Out/Min.

135 Dew Point of Air Out

Hutchinson, Minnesota

Delivery of the Scott AST Dryer at the new

Hutchinson Wastewater Treatment Facility

Hutchinson, Minnesota

Scott AST Dryer set-up and installation at the

Hutchinson Wastewater Treatment Facility

AST Dryer Shaft

Installed AST Dryer

Hutchinson, Minnesota

Feeder, AST Dryer, Burner, and

Baghouse installed.

Below, internal paddles of the

Scott AST Dryer.

Exhaust Fan, Duct Work & Baghouse

Baghouse for AST Dryer

Sound enclosure which surrounds the fan to abate noise.

Exhaust Stack

Duct work between the Dust Collector and Exhaust Fan

Mixer Feeder System

Mixer Feeder Main Agitator

Cake Feeder

Cake Feeder Main Agitator

Scott Equipment Test Lab

Positives of PelletingA practical & economical way to enhance product value and manageability

Complete Pelleting System

Pellet MillPellet Mill

Pellet collecting cyclonePellet collecting cyclone

Automatic Pellet CoolerAutomatic Pellet Cooler

Shaker Screen Shaker Screen

Air conveying System Air conveying System

Fan

Fan Vented To Atmosphere Or Thru Baghouse

Elevator

n Pellet Plant

Pellet Mill

Bin

Collector

Cooler

Shaker

Fine

s

Fan

Fan

Pellet Mill Advantages

Produces a cool, clean Produces a cool, clean product product

Produces a marketable Produces a marketable product in pellet formproduct in pellet form

HeavyHeavy--duty pellet mill duty pellet mill constructionconstruction

Durably built to operate Durably built to operate 24 hours a day24 hours a day

Excellent pellet quality Excellent pellet quality

System InstallationHutchinson, MN

Equipment InstallationHutchinson, MN

Pellet Plant InstallationHutchinson, MN

Storage System“Smooth-Wall” Modular Steel Panels

Fabricated with two heavyFabricated with two heavy--gauge gauge steel walls with 3steel walls with 3½”½” of air space of air space between providing insulation between providing insulation against condensation and freezing against condensation and freezing

Assembled to form any size bin Assembled to form any size bin from 12from 12’’ x 12x 12’’ and smaller to and smaller to 70 feet in height70 feet in height

Considerably faster to assemble Considerably faster to assemble saving in labor costssaving in labor costs

Prefinished with durable Prefinished with durable aluminized sheets or tough, aluminized sheets or tough, weatherweather--resistant enamelresistant enamel

Typical Gasification for Steam &Power

AST Rental Drying System

Why Scott AST Bio Solids DryerMost Versatile Dryer on the Market.Most Versatile Dryer on the Market.90% Moisture to under 10% in one pass90% Moisture to under 10% in one passLess than 60 seconds retention timeLess than 60 seconds retention timeClass A SludgeClass A SludgeEasy to use complete PLC from start up to shut downEasy to use complete PLC from start up to shut downUsually requires only one operator to runUsually requires only one operator to runNo back mixing requiredNo back mixing requiredSystem can be used as stand alone or in conjunction with a GassiSystem can be used as stand alone or in conjunction with a Gassifer fer and turbonand turbonCost efficient per pound of water removedCost efficient per pound of water removedCost less than most other dryers.Cost less than most other dryers.

Thank You!

We hope you enjoyed this We hope you enjoyed this presentation on thepresentation on the

Scott Biosolids SystemScott Biosolids System..