mixing matters blog

Industrial Mixing topics from your mixing experts

Mixing matters blog - Covering any topic involving industrial mixers and utility mixers

Moving bed biofilm reactor in the aquaponics system water filter tank
Industrial Mixing

MBBR Mixing in Wastewater Treatment Applications

Today, moving bed biofilm reactor (MBBR) processes are widespread throughout the wastewater treatment industry. These processes rely on media with a high surface area to carry biofilm and achieve the same results as conventional bioreactors with reduced space requirements. MBBR mixing ensures that the media and influent are distributed uniformly throughout the reactor. Wastewater treatment facilities can adapt MBBRs to fulfill many process requirements. They can replace activated sludge processes and are also an attractive option for biological nitrogen removal. Many wastewater treatment facilities use a series of MBBRs with both anaerobic and aerobic steps. MBBR mixing must address several challenges and constraints to ensure process effectiveness and efficiency while also offering energy savings compared to dispersed air mixing. Key

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Biogasanlage in Deutschland mit Getreidefeld
Industrial Mixing

How Agitators Play a Key Role in Anaerobic Digesters

Anaerobic digesters are a versatile wastewater treatment technology that sees wide use in agricultural, municipal, and other applications. Bacteria break down incoming waste in the absence of oxygen, a process that produces biogas (a mixture of methane and carbon dioxide) and digestate (a nutrient-rich fertilizer). Because anaerobic digestion relies on sensitive bacteria, significant design consideration must be dedicated to keeping process parameters just right. Agitation Improves Anaerobic Digestion on Multiple Fronts Anaerobic digesters rely on a delicate balance of pH and temperature to operate effectively. The most widely used designs are continuously stirred tank reactors (CSTRs), with the assumption that these parameters will be uniform throughout the tank. A CSTR operates on the principle that incoming feedstocks are rapidly homogenized

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Aerial Overhead View of Large Coal Fired Power Plant
Industrial Mixing

Germanium Recovery and Its Unique Mixing Challenges

Most new production today of germanium today is from zinc ores or coal fly ash. Both processes involve acid leaching, an already difficult process further complicated by the unique challenges posed by germanium, notably its hardness. Dynamix designs mixers that deliver longevity and reliability in germanium recovery. The Germanium Recovery Process Germanium is typically found in very low concentrations and requires significant refining. Sources of recoverable germanium include zinc, silver, lead, and copper ores, along with fly ash from the combustion or gasification of coal. The refining process begins with acid leaching using sulfuric, phosphoric, or other acids. This dissolves the germanium into the leachate, separating it from the remaining solids. However, some impurities are dissolved as well and must

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Industrial Mixing

Solids Suspension and How It Affects Agitator Design for Your Process

Essentially every industry must at some point contend with solids suspension. Whenever a slurry with solid particles is present, the process will require some way to keep those particles suspended. This is key to preventing buildup on tank bottoms and sides. It also plays an important role in providing the required solid-liquid contact for many processes. In most cases, agitators are the chosen method for maintaining solids suspension. Determining the optimal agitator configuration for solids suspension isn’t a simple process. It takes an understanding of both the solids and liquids involved, along with their complex interactions. Dynamix designs solutions that provide the agitation required to maintain solids suspension for applications within any industry. Defining Your Solids Suspension Requirements Applications that

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Industrial Mixing

Biogas Production Operations and How They Rely on Effective Agitators

Biogas production is rapidly becoming an integral component of the developing renewable energy landscape. It takes biomass from practically any source and breaks it down using bacteria. This creates a mixture of primarily methane and carbon dioxide that can suit natural gas applications and infrastructure when refined. Waste from wastewater treatment, agriculture, forestry, and other industries can be safely and responsibly disposed of while generating additional power. Individual operations can vary widely in their design. The waste slurries they handle range from as little as 1% solids to as high as 80%. Most will find themselves dealing with a slurry of around 30% solids. In any case, agitation is an essential component of multiple process steps. Agitators serve to prevent

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Jean Saxman, Evoqua
Evoqua Water Technologies
    

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