mixing matters blog

Industrial Mixing topics from your mixing experts

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

mixing for dissolved air floatation
Mixer Configuration

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
Mixer Configuration

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
Industrial Mixing

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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Torque Explain Diagram
Mixer Configuration

Mixing 101: Torque and the Art of Mixing

What is torque… and what does it have to do with mixing? Selecting a mixer drive with a high horsepower rating doesn’t guarantee a satisfactory result in your application, and it doesn’t necessarily translate into a more powerful mixer either. Horsepower is merely a measurement of the rate at which work is done – or how much input power a motor has. Simply throwing more horsepower at an application may make a mixer’s impeller turn faster, but it will also drive down efficiency, negatively impact your budget, and can even damage your product through shear. If the driving force of a mixer is rotational, then horsepower is secondary to torque as the force that drives the pumping and performs the

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