mixing matters blog

Industrial Mixing topics from your mixing experts

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

Industrial Mixing

Mixing 101: Low rpm, High Torque Mixing

Mixing 101: Low rpm, High Torque Mixing In the process industry, there’s a strong focus on power as the defining characteristic in mixing. Many considerations are often left by the wayside when choosing a mixer. These factors can make or break the application. Relying solely on the G-Value or velocity gradient in mixer design leaves important information out of the equation. Focusing on the G-Value gives rise to the misconception that horsepower, rather than torque, is the critical factor determining mixing effectiveness. This method is effective for applications requiring high-sheer and turbulent flow, but this isn’t always the case. High-speed mixing introduces a host of additional considerations based on fluid viscosity, flow patterns, and shearing. Mixing Categories Different types of

April 4, 2021 No Comments

Dynamix Products

Water Treatment at City of Anamosa – Mixer Solution Case Study

At Dynamix, working with the North American water treatment industry is a big part of what we do, providing mixers for various applications in the water treatment process. In many installations, a custom solution is required. One such project was with the City of Anamosa’s water treatment plant and their need to upgrade their current mixers in their process. Looking for a new mixer with the goal to find a more durable and efficient mixer, the water plant superintendent Jim (Henson) was tasked with. After doing an extensive search online for a solution, he was fortunate to find Dynamix, “…I was very lucky when I was searching on line and decided to call Dynamix and after talking to the sales

December 9, 2019 No Comments

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

April 10, 2018 No Comments

Mixer Configuration

Agitator Design for Wastewater Clarification – Part 2

Clarification on Flocculation In our previous article, Agitator Design for Wastewater Clarification Part 1, we looked at how to optimize a mixer for the unit process of coagulation. In wastewater treatment, coagulation is normally followed by flocculation. While coagulation is used to destabilize and agglomerate suspended waste particles, flocculation brings the colloids out of suspension in the form of floc, and allows the particles to be more readily removed from the water stream. In this article, we will examine the process of flocculation, the flocculator mixer, and how mixer parameters change to achieve the desired result. Flocculation Following the coagulation of destabilized microscopic particles in wastewater, the process of flocculation encourages the newly formed micro-floc to stick together, making even larger clumps

April 7, 2016 No Comments

Mixer Configuration

Agitator Design for Wastewater Clarification – Part 1

Clarification on Coagulation Clarification of water using coagulating agents has been practiced since ancient times. The use of alum as a coagulant dates back to the Romans around 77 AD, and by 1757, England was using alum for coagulation in municipal water treatment. This clarification process remains essential in various water treatment disciplines today. In the modern water treatment plant, the use of coagulants to treat wastewater are better understood, which has led to significant optimization of process equipment and chemistry. Coagulation and flocculation are two common unit processes that are designed to remove very small particulate matter by forcing them to clump or stick together so that they will settle out and be removed from the wastewater as “sludge”.

March 21, 2016 No Comments

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

October 20, 2015 No Comments

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mixing matters blog

Industrial Mixing topics from your mixing experts