mixing matters blog

Industrial Mixing topics from your mixing experts

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

Racing Car vs Semi Truck Torque Image
Mixer Configuration

Why Dynamix Focuses on Torque When Designing Mixers

At Dynamix we focus on torque as opposed to horsepower when designing our mixers. Torque is a parameter which is preferable in mixing. By using larger diameter impellers and higher gear ratios, higher torque is produced, and more efficient mixing can be obtained. This can be done without using a high horsepower motor and high mixer speeds (RPM). What is torque and horsepower? Horsepower is equal to the RPM times Torque, divided by 5252. Therefore, lower RPM gives higher torque at the same power.   A simple way to think about torque versus horsepower, is to imagine a Semi Truck and a Formula 1 racing car.   These vehicles, the truck and car, are known to have the largest towing

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mixing for dissolved air floatation
Water Treatment

Mixing for Dissolved Air Flotation (DAF Systems)

Coagulation, flocculation and flotation systems Dynamix is often called on for its process experience in many industries because the mixer is at the heart of these processes.  DAF systems are used across many industries with many unique requirements which Dynamix is familiar with. There really isn’t a one size fits all or a configuration template that works for all processes when it comes to DAF systems. Ideally, the Dissolved Air Flotation (DAF) process is used for thickening of combined primary and secondary sludge removing low-density materials such as microorganisms (algae, cysts), natural organic matter (NOM) and floc in low turbidity, soft waters (typically using coagulation and flocculation). Typically, DAF systems are a faster and more reliable alternative to sedimentation in the clarification

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waste water treatment
Water Treatment

Anoxic and Aerobic MBBR Mixing

Moving Bed Biofilm Reactor MBBR Mixing Process Anoxic & Aerobic MBBR Mixing Proper mixing within anoxic and anaerobic MBBR zones can improve the bioorganic nutrient conversion processes, minimize operational footprint, reduce energy costs and improve water treatment efficiency. The Moving Bed Biofilm Reactor (MBBR) or IFAS (Integrated Fixed-film Activated Sludge) technologies are now more commonly used to maximize the efficiency in treating wastewater from industrial applications that produce high concentrations of BOD, COD and TSS. This newly adopted technology has become more efficient than traditional biological wastewater treatment processes capable of achieving nearly complete nitrate/nitrite-nitrogen (NOX-N) reduction. It also reduces water treatment plants footprint by minimizing stages previously required to filter BOD from biosolids. The MBBR Process In short, MBBR is

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water treatment plant
Industrial Mixing

Waste Activated Sludge Mixing Principles

Why Is Sludge Blending Important? For many industrial wastewater treatment facilities, sludge accounts for as much as 30-40% of capital costs and about 50% of the operating costs due to the complex nature of processes involved to curb by-product waste. The sludge or “bio solids” left over can be refined into nitrate based fertilizers/ compost, chemical bio-fuels or other natural resources. Sludge biosolids can also be further dewatered for post processing and disposal purposes and because of the many products that can be economically produced; the sludge process is a true bio-refinery. Many water treatment plants focus on improved quality within their operations of sludge handling and mixing equipment selection. Sludge viscosities have an influence on e.g. pumping, hydrodynamics, mass transfer

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pH Scale
Industrial Mixing

pH, Alkalinity & Mixing within Reaction Times

Understanding the pH values and alkalinity of a mixture is critically important in many industries, but especially in the water and wastewater treatment industry. This article will highlight appropriate mixing times as well as the affect on reaction times. 3 What IS PH AND ALKALINITY? Industrial waste and water sources contain impurities that range in chemical, physical and biological characterizations and depending on what stages or processes the water undergoes we measure how acidic or alkaline water is by using the pH scale.  Generally, water is considered neutral when the concentrations of hydrogen ion [H+] and hydroxide ion [H3O+] are the same where the pH scale would read “pH 7”. The pH value is calculated as the negative logarithm concentration

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Electric vs Air Motors in Mixers
Mixing 101

Mixing 101: Air vs. Electric

5 FACTORS FOR OPTIMAL MOTOR SELECTION Air or electric? End users often don’t understand all the factors to consider when making the decision to use an air motor vs. an electric motor in their mixer configuration. While a mixer’s motor type is largely determined by the plant environment, the value of considering several important factors is substantial when each consideration point is thoroughly understood. A proper understanding of torque, energy efficiency, variable speed, mixing environment, and mixer weight are all significant and valuable considerations to discuss when selecting an appropriate motor. In a real-world example, our engineers leveraged these factors when working with a leading car manufacturer, and the decision to make a wholesale change within their production environment not

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