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FIRM OVERVIEW AND BACKGROUND <br /> EMERGING TREATMENT PROCESSES <br /> One of our main guiding principles for selection of wastewater Selecting Bio-Cultures <br /> treatment technologies is to put the needs of our clients center stage. Based on Environmental <br /> We believe the best solutions are specific to each facility.We don't Conditions <br /> use a cookie cutter approach and never push a new technology for • BNR Optimization <br /> •Sidestream Treatment <br /> the benefit of our experience at the expense of our clients.However, •Simultaneous Nit/Deni(SNDN) <br /> there are cases in which the best approach is to implement newer •Short Cut Nitrification <br /> •De-Ammonification(Anammox) <br /> technologies.As such,we stay constantly involved with manufacturers •Mainstream Anammox <br /> on their technology offerings and are actively involved in pilot •Classifying Selectors <br /> •In Stream Fermentation <br /> testing new treatment options.Our engineers travel both • Nitrate Recirculation to Headworks <br /> throughout the United States and internationally to stay •Two-Stage(AB Process) <br /> •S-Select(In Dense) <br /> abreast of emerging treatment trends in order to be better <br /> informed and provide the best advice to our clients. <br /> Carollo has an active and dedicated Research and Improving Combining <br /> Development Group,whose function is to bridge Solids Separation Suspended and <br /> the gap between fundamental research and the • Ballasted Flocculation Fixed Film Bio-Cultures <br /> —'Actiflo" • Integrated FF&AS(IFAS) <br /> implementation of practical,innovative,and —"Densa Deg" —Wheel Media <br /> reliable engineering solutions to meet existing and -"Co-Mag" —Alternate Media Designs o <br /> • "BioMag" Zee Lung c <br /> emerging water treatment challenges. •Granular Sludge z <br /> •Moving Bed BioReactor -1 <br /> —"Nereda" (MBBR) o <br /> We actively evaluate and implement new and —"Paques Anammox" •Granular Sludge = <br /> emerging technologies where appropriate,including • MBR —"Nereda" <br /> ballasted activated sludge,granular activated sludge, i <br /> sidestream ammonia treatment,MBRs,and thermal D <br /> hydrolysis processes for solids processing.As an example, Carollo offers first-hand experience with the latest z <br /> we are currently working with Nereda°(granular activated sludge treatment process innovations. c <br /> 0 <br /> process)at its Rockford,Illinois research facility to test novel ways m <br /> to apply its technology.In the ballasted activated sludge arena,we <br /> have teamed with Evoqua,the supplier of BioMag®,to develop We have been involved in MBR applications since the early years z <br /> an approach that couples its technology with high-rate settling of the technology and have designed MBR plants with more than <br /> technologies to further reduce treatment footprint and costs while also 15 years of operation(Redlands,California).We have planned and o <br /> improving performance.In addition,we have designed and started designed dozens of MBR plants with each one applying lessons w <br /> up the first BioMag°facility west of the Mississippi and are currently learned to improve the process and provide feedback to the o <br /> designing one of the largest BioMag°plants in the United States. suppliers to improve their products. D <br /> w <br /> m <br /> om <br /> �• �ra <br /> i< <br /> y <br /> Y <br /> f`> . Carollo is currently working with i <br /> , <br /> the City and County of Honolulu A <br /> fir, b M as their Owner's Advisor for o <br /> " � �- the Sand Island Wastewater � <br /> C <br /> Treatment Plant Secondary z <br /> ° m1r I Treatment Improvements. < <br /> i Treatment options that are being z <br /> explored include MBR,aerobic z <br /> = granular sludge,and biological <br /> I <br /> 141a. 9' r <br /> lam-, x aerated filtration. <br /> - • <br /> D <br /> 0 <br /> m <br /> D <br /> O <br /> z <br /> CAROLLO / QUALIFICATIONS /JUNE 2023 79 <br /> B:\Pursuits\Client831HONl\HawaiiCounty\EnvMgmtDept\On-Call FY23-24\Qua10623\PL.4 CmntyPing_Cmnty\Indd\01_FirmOverview_PL4 <br />