Company Category: Nitrification

Mazzei Injector Company LLC

MAZZEI INJECTOR COMPANY is known worldwide for our design and manufacture of fluid mixing and contacting technologies. The company provides systems and components for a wide array of markets including agriculture, water, and wastewater. For IRRIGATION, Mazzei’s leading technologies support higher crop yield per acre. The following Mazzei components and systems help to produce more per acre and per gallon of water applied: 1) HIGH-EFFICIENCY VENTURI INJECTORS for efficient, uniform, low energy, maintenance free addition of liquid fertilizers/chemicals into pressurized irrigation systems; 2) MAZZEI AIRJECTION® process which lets growers “Plow Without A Plow” by getting the right amount of air (O2/N2) into the root zone – delivering higher crop yields, early maturation, improved water efficiency and soil health; 3) And the new portable MAZZEI FERTIGATION SKID which combines high-quality components, a robust pump, and a high-performance Mazzei venturi injector, into a singular system to get precise nutrient dispersion within irrigation water. And for the WATER AND WASTEWATER MARKETS, Mazzei provides systems and components for ozone, aeration and chemical treatment for water and wastewater. | MAZZEI® INJECTOR COMPANY is the leader in mixing and contacting technologies. For the agricultural market, Mazzei’s leading technologies support higher crop yield per acre by providing growers the following components and systems to produce more per acre and per gallon of water applied: 1) PATENTED HIGH-EFFICIENCY VENTURI INJECTORS for chemigation and fertigation. Mazzei injectors provide growers with efficient, uniform, low energy, maintenance free addition of liquid fertilizers/chemicals into pressurized irrigation systems; 2) MAZZEI AIRJECTION® IRRIGATION process lets growers “PLOW WITHOUT A PLOW.” Through the drip irrigation system, AirJection delivers the right amount of air (O2/N2) into the root zone resulting in higher crop yields, early maturation, improved water efficiency and soil health; In addition to delivering irrigation solutions to growers, Mazzei provides systems and components for wastewater aeration. Aeration is a complicated procedure, but Mazzei’s patented technologies make the process easier, more efficient, less expensive and more reliable. Multiphase flow modeling is used to design, analyze and optimize Mazzei individual products as well as multi-component contacting systems. Turn-key systems are available in compact designs for rent or purchase. So whether it is for your irrigation challenge or your wastewater problem, Mazzei has the solution. | Globally recognized for its expertise in designing and manufacturing fluid mixing and contacting technologies, Mazzei Injector Company caters to a wide range of markets including water and wastewater treatment, agriculture, pool/spa, aquariums/aquaculture, and the wine industry. From the modest water treatment needs of rural areas to large municipal plants processing millions of gallons of water per day, Mazzei delivers proven, cost-efficient solutions tailored to specific applications. Employing in-house computational fluid dynamics (CFD) multiphase flow modeling, Mazzei designs, analyzes, and optimizes both individual products and complex multi-component contacting systems. Leveraging its extensive equipment portfolio and experience, Mazzei ensures the development of efficient, application-specific solutions at an affordable cost. Offering compact turnkey systems for rent or purchase, Mazzei provides efficient resolutions to water and wastewater challenges. Distinguished by its ability to evaluate problems and develop groundbreaking solutions, Mazzei stands out as a dependable partner in tackling fluid/fluid and gas/fluid mixing challenges within water and wastewater systems. For enduring excellence and value, there is only one name to remember: Mazzei. | • IN THE WINERY… Mazzei wine pump-over injectors for macro-oxygenation enhance fermentation. They are simple-to-use, self-priming, and can run dry without problems while delivering uniform distribution throughout the liquid. Using the wine pump-over produces more consistent sensory profiles in wine, helps stabilize its color, purges CO2 from the tank, reduces astringency and vegetative characteristics, and improves the efficiency of the yeast. It also minimizes the production of hydrogen sulfide in the wine, which can reduce the amount of copper used to control sulfide, thus lowering costs and safeguarding the quality of your wine. • IN THE VINEYARD… Mazzei injectors for chemigation/fertigation are the simple, low-cost solution. • IN THE CELLAR… Mazzei GDT ozone system provides efficient clean-in-place disinfection, and • IN THE WASTEWATER LAGOON… Mazzei aeration systems reduce odors and enhance wastewater treatment. MAZZEI HAS THE WINE INDUSTRY SOLUTIONS… FROM START TO FINISH.

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Lemna Environmental Technologies, Inc.

Lemna Environmental Technologies (LET) was founded over 40 years ago with the vision of developing simple, innovative and sustainable wastewater treatment solutions. LET has continued to develop innovative technologies that enable municipal and industrial clients to protect water resources now and in the future. With over 300 installations currently operating, LET’s expertise encompasses all aspects of wastewater project development, from conceptual design and product supply to final commissioning and ongoing customer support. As regulatory requirements have become more stringent, LET has expanded our design capabilities and product line in order to help clients more effectively meet the challenges of a tougher regulatory environment. By aggressively focusing on technology development and customer service, we have developed a wide array of products and processes designed to economically meet the needs of our customers. Currently, LET offers innovative designs and technologies ranging from simple, facultative lagoons to state-of-the-art, aerated lagoon systems capable of meeting the most stringent effluent requirements.

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Kiewit

Kiewit has been a trusted partner in the mining and mineral processing industry for over 75 years. We offer engineering and construction services that span the entire project life cycle. From conceptual and feasibility studies through early contractor constructability reviews leading to self-perform construction and commissioning, our team has the experience, equipment and people to provide the solutions for your project needs. | Since the 1970s, our skilled project teams have successfully built various mining, mineral processing and metals facilities, including expansion and upgrade projects at operating plants across North America. Today, our expert teams offer comprehensive solutions for every project stage, including feasibility, engineering, construction and commissioning services to ensure seamless project delivery. Our decades of experience in these markets have helped us refine our processes for developing reliable estimates and execution approaches. We achieve this by combining constructability knowledge with construction-driven engineering and world-class safety performance. | As one of North America’s largest and most respected construction and engineering organizations, Kiewit has delivered more than 2,000 projects in the past 60 years that deal with the treatment, storage, or conveyance of water. The company is ranked No. 3 on the Engineering News-Record listing of top contractors and holds top-five rankings in eight different water- or environmental-related markets. Kiewit offers integrated, single-source solutions for all aspects of water system work. These include: • Project development • Financing support • Permitting • Detailed engineering/design • Construction • On-call contracting • Startup and commissioning As both a self-performing designer and contractor, Kiewit’s diverse, water-focused professionals sustain its track record of on-time, on-budget delivery by incorporating progressive design and construction best practices across all discipline areas and through a wide range of contractual models. Kiewit is focused on the following water industry markets: • Water treatment • Wastewater treatment and biosolids management • Desalination • Industrial water • Dams and hydropower • Pump stations and conveyance Kiewit’s focus is on construction execution and final project results that meet or exceed client goals. It leverages professionals’ experience, knowledge, and lessons learned from planning and delivering successful water solutions for clients over the past six decades to advance collaborative solutions for clients today. We design with the end top of mind, driving: • Realistic, transparent, and achievable plans • Safe and efficient construction • Practical integration of equipment

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Innovatreat

Innovatreat offers engineered wastewater process solutions to the decentralized infrastructure market in North America. Our innovative technologies are designed to provide advanced wastewater treatment, nutrient removal, and water reuse for customers seeking efficiency, ease of operation and maintenance, and competitive pricing. Through innovative design, our technologies offer market-leading energy efficiency, remote operability, maintainability, and cost competitiveness. In the 21st century, wastewater treatment and recycling technology must be characterized by efficiency, quietness, odor-free operation, aesthetic appeal, affordability, and ease of maintenance. Innovatreat is dedicated to a continuous process of developing these technological advancements within the evolving landscape of OneWater.

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Infiltrator Water Technologies

Septic Tank Risers, Delta Advanced Wastewater treatment products | Infiltrator manufactures a variety of revolutionary products and innovative, environmentally friendly alternatives to traditional stone and pipe leachfield and concrete septic wastewater system components. We sell our products through wholesale distribution across the United States and Canada for use on properties with onsite wastewater treatment systems.

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Fluence Corporation

Fluence is a leader in the wastewater treatment and reuse, high-strength wastewater treatment, wastewater-to-energy, industrial, and drinking water markets, offering custom solutions as well as pre-engineered packaged plants and units, retrofits, greenfield plants, and shortcut nitrogen removal. A number of solutions feature Fluence’s proprietary MABR technology, which offers high nutrient removal with a small footprint and low energy consumption. In addition to rapid delivery and commissioning of solutions to meet a broad range of needs from smaller communities to city scale systems, Fluence offers ongoing operation and maintenance support, Build Own Operate (BOO), and other recurring revenue solutions. Fluence is headquartered in Minneapolis, MN, and has a broad international footprint with experience in more than 70 countries worldwide. | With over 300 MABR plants around the world and over 120 water treatment units sold, Fluence Corporation is a leader in the decentralized water and wastewater treatment space. MABR solutions include Aspiral packaged plants, SUBRE WWTP retrofits and greenfield plants, and Nitro shortcut nitrogen removal. Water treatment solutions include the NIROBOX small-footprint containerized water treatment units and NIROFLEX building blocks. Fluence also offers waste-to-energy solutions, dissolved air flotation systems, aerators, and Tipton series extended aeration WWTPs. Customers have the opportunity to engage in a Build, Own, Operate (BOO) financing model, where Fluence funds and manages the build, operation, and maintenance of the plant. Fluence is a global company with operations all over the world, headquartered in the US, and listed on the Australian Stock Exchange.

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EnviroMix

With offices in Charleston, SC, and Grafton, WI, EnviroMix designs and manufactures treatment technologies which protect the environment and reduce energy consumption in the water and wastewater industry. Utilizing patented and proprietary technology, we provide mixing and process control solutions to enhance plant performance for a wide variety of applications in the treatment process.

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Ecological Laboratories Inc

Ecological Laboratories, Inc. is a U.S.-based biotechnology company with almost five decades of experience in microbial innovation. At WEFTEC 2025, we’re showcasing MICROBE-LIFT®, our advanced wastewater treatment line, featuring microbial blends (MICROBE-LIFT IND) and high-performance nitrifiers (MICROBE-LIFT N1) that delivers enhance biomass performance, assure nitrification, and denitrification. Our vegetative microbial consortia are fast-acting, shelf-stable, and immediately active, no activation required. Designed for aerobic, anaerobic, and anoxic zones, MICROBE-LIFT® works across activated sludge, lagoons, SBRs, RBCs, and hybrid systems. It helps: Restore and stabilize biological performance Reduce BOD, COD, FOG final effluent, reach NPDES compliance Reduce odor and H₂S corrosion biologically Recover faster from toxic or seasonal upsets Reduce biosolids (biologically). Lower sludge hauling costs Reduce polymer use Verified performance across municipal and industrial sites: ✅ 97% BOD reduction | ✅ 89% COD | ✅ 95% FOG reduction | ✅ 99% Ammonia removal | ✅ 99% Nitrate removal “We increased ammonia removal and eliminated odor issues without chemicals. In weeks, we were fully compliant—and stayed that way.” – Municipal Operator, California Stop by Booth #141 to learn how we can help meet your nitrogen goals and optimize your system naturally.

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