With the emphasis on doing more with less, aka process intensification, over the past several years, dividing wall columns have become a mainstream tool for separations. In the appropriate circumstances, dividing wall designs can provide substantial savings on both capital costs and energy consumption. This white paper from Sulzer puts dividing wall technology and its application into practical terms and explains why, when, and how to use it.12/07/2016
This Chemical Processing eHandbook examines some of today’s Powder challenges and way to navigate solutions for chemical manufacturers.
Do you want to learn more about how to mitigate crystallization challenges? Perplexed by blending myths? Do you want to know more about the mystery of time effects and conducting a time consolidation test? Interested in several methods for condensing water vapor?
Download this Chemical Processing eHandbook for insights and solutions including:
- Conquer Crystallization Challenges: Question the need for cooling and ensure you have the right data.
- Beware of Blending Myths: But first determine if blending really is required.
- Solve the Mystery of Time effects: Conduct a time consolidation test to determine the flow performance of a bulk solid.
- Handle Water Vapor within Oil-Sealed Vacuum Pumps: Evaluate several methods for condensing water vapor.
This white paper discusses highly acidic chemical process slurries and the use of continuous vacuum filtration technologies for filtration, cake washing and drying.
First, the basics and benefits of continuous vacuum filtration technologies are reviewed followed by case-studies. In this first process, the precipitated solids are in sulfuric acid slurry. The challenge is to process 2200 kg/hour of dry solids for filtration, counter-current washing and drying in a contained environment.
In this second process, the objective is to process precipitated solids in an hydrochloric acid slurry. The white paper concludes with a framework for vacuum technology selection and how this can be applied to other toxic and difficult chemical process filtrations.10/18/2016
This Chemical Processing eHandbook takes a look at how chemicals manufacturers are meeting the various challenges presented by processing today.
Download this Chemical Processing eHandbook for insights and strategies including:
- Vacuum Shelf Dryer Provides More-Uniform Cakes: Different approach to endpoint determination leads to greater consistency.
- Stop What You’re Doing: Challenging existing practices may spur significant improvements.
- Consider Vacuum Drying: A vacuum drying pump offers several advantages for removing vapor over other methods.
- Understand Powder Flow Characteristics: a powder’s variables and external factors will greatly impact blender size and type.
Are you looking for more information about handling powders?
Do you want to prevent problems before they start and consider alternative methods?
This Chemical Processing eHandbook takes a look at how chemicals manufacturers are meeting the challenges of handling powders. Download this Chemical Processing eHandbook for insights and strategies including:
- Prevent Problems with Fine Particles: Sampling is crucial and demands particular care.
- Don’t Err About Fluidization: Consider its under-appreciated advantages and broader utility.
- Get the Most Out of Your Sterilization Process: Take a close look at two commonly used methods and their associated vacuum technology.
Wet scrubbers and dry media dust collectors are two very different technologies used to capture dusts generated during production processes. Both types have inherent advantages and disadvantages. Which is best for your application? The choice is not always clear-cut, but this white paper will help with the decision process by providing a comparison between wet and dry dust collectors. It will outline general parameters for equipment selection with respect to dust properties including combustibility, explosibility, particle size, moisture and adhesiveness. It will also discuss how to apply NFPA 484: Standard for Combustible Metals, the standard that best addresses wet collection. Though NFPA 484 is specific to metals, some of its content can and should apply to nonmetal combustible dusts.04/28/2016
Are you looking for more information about solids processing operations? The practice of chemical engineering underpins chemical processing. Universities teach design methods for unit operations such as distillation and heat transfer. However, colleges seldom cover solids processing operations. If any discussion takes place, it only focuses on basic particle physics issues related to drag and turbulence. Yet, many processes require extensive handling of solids.
This Chemical Processing eHandbook takes a look at how chemicals manufacturers are meeting the challenges of solids processing head on. Download this Chemical Processing eHandbook for insights and strategies including:
• Solve Solids Processing Conundrums: Understand more about the unique issues posed by solids and why it is crucial for success.
• Measure Viscosity to Improve Your Mixing Process: Get tips on how to select the proper measuring instrument to better monitor your product quality.
• Make Some Sense of Sensors: Learn more about the variety of solutions that exist for flow level detection and inventory management.
• Consider Used Equipment: Get some guidelines to help you select the right pre-owned machine for an application.
Getting a better handle on Solids Process is an on-going challenge for chemical processors. Are you struggling with multiphase sampling? Do you want to conquer pilot plant challenges? Do you want to learn more about how automatic sampling can help control process safely?
This Chemical Processing eHandbook takes a look at how chemicals manufacturers are meeting these challenges head on. Download this Chemical Processing eHandbook for insights and strategies including:
- Don’t Be Fazed By Multiphase Sampling: An isokinetic system can provide accurate samples;
- Conquer Pilot Plant Challenges: Use design of experiments to minimize the number of runs and ensure meaningful data;
- Case Study: Sampler Helps Control Process Safely: Automatic samplers can be key to ensuring process samples are repeatable and reliable;
For chemical processors, ensuring a long-lasting, high-quality mix is a huge challenge regardless of the physical properties of the mixing component – liquid, gas, solid. In this Chemical Processing Mixing eHandbook, we take a look at mixing technologies including “open” batch operation, static mixers, hydrogenation and inline mixing. Understanding how each of these technologies works, the benefits and challenges can help you to avoid common mixing mix-ups. Download your copy and learn about:
- A number of technologies that can handle pipeline mixing
- How hydrogenation reactions can achieve greater conversion rates and thus better space/time yields
- Continuous powder wetting
- Inline mixing systems
- Modern in-line mixers
Avoid common mixing mix-ups. Download your copy of this Chemical Processing Mixing eHandbook now.08/26/2015
This article discusses process filtration approach developed for each technology stage starting from batch filtration in the lab to continuous filtration for the full-scale commercial operation. Process engineers must not “jump to conclusions”, a reference from Sherlock Holmes and Dr. John Watson who prove time and again is that there is no benefit to jumping to conclusions. Therefore, laboratory / bench top filtration testing is covered for problem analysis, technology selection and pilot and demonstration scale-up. The paper continues with the filtration testing and then scale-up to the commercial size. Finally, the paper concludes with a general review of the problem-solving skills of Holmes and Watson and how these skills can be utilized by process engineers as a framework for “idea-generation” when analyzing a new process scale-up.06/02/2015
In chemical production and processing, process design and process safety are crucial considerations – especially when powders are part of production and processing. Inherent challenges such as increasing throughput, accurately measuring powders to manage inventory and removing excess solvents are all challenges that chemical processors need to contend with. In this Chemical Processing Powder eHandbook, we take a look at these powder processing challenges and identify solutions and strategies to overcome them. Learn more about:
- Vacuum conveying - customization, automation and safety
- Matching level measurement system to a job - consider materials and work environment when choosing a device
- Removing solvent vapors in diverse applications - dry and liquid ring vacuum pumps are alternatives to oil-sealed pumps
- Meeting combustible dust compliance – how a facility tackles combustible dust with aportable central vacuum system
When designing a system to transport powders and granules there is a wide variety of considerations. Different applications, installation environments, equipment, material characteristics and how they may change during the process are all part of the equation. While many plants aim to keep costs low and often times use old equipment for a new project this can also further compound a complex challenge. And that's not even taking in to consideration our increased awareness of the risks of an explosion and the need to avoid hazardous emissions. In this Chemical Processing Powder eHandbook, we take a look at key considerations affecting today’s best practices for transporting and processing powders and granules including:
- Installing pneumatic conveyors correctly - 10 steps to prevent a variety of common problems
- How to understand accuracy in a bin level monitoring system
- Tubular drag conveying - an alternative to pneumatic conveying
- Vacuum Conveying equipment and the issues of safety, security and sanitation
Learn how to process powders efficiently. Download your copy of this Chemical Processing Powder eHandbook now.08/13/2014
Powders developed to meet certain product performance targets often suffer from inconsistent and unpredictable flow. The reasons for this are many. A material's characteristics - adhesiveness, cohesiveness, aeratability, pressure-sensitivity - often change during processing and can cause flow problems to crop up. Couple this with changes in the processes themselves and costly downtime can be the result. In this Chemical Processing Powder eHandbook, we take a look at strategies and solutions for overcoming powder processing challenges including:
- Making the most of flow additives - understand their impact on overall powder behavior to optimize flow
- Improving performance of gravimetric feeders - tips to avoid poor accuracy and frequent downtime
- Protecting against combustible dust explosion - economical approaches for protecting spray dryer processes and solutions
Make the most of your powder processes. Download your copy of this Chemical Processing Powder eHandbook now.
Download the white paper to receive information on maximizing the performance of your gravimetric feeder. You will receive tips on how to choose and set up the right feeder for the specific material being fed in your process. Handling free flowing, adhesive, cohesive, aeratable, hygroscopic and pressure sensitive materials plus ways on where and how to properly install a gravimetric feeder are discussed.03/18/2014
Solid-liquid separation is an instrumental part of chemical processing. To separate the solid particles, filter media made of textile or metallic materials and of composite materials are used as the basis for the filter cake. Often there will also be a washing process to improve the purity of the filter cake or to increase the yield of the liquid phase. Solid-liquid separation can be carried out in continuous or batch operation. There are many factors for selecting the right process filtration system for your specific application. This white paper reviews methods for identifying the right process filtration technology for your application and highlights case studies illustrating the methods discussed.02/25/2014
The mechanisms of powder flow are complex. They are influenced by an array of different parameters; some relate to the particles’ physical attributes, such as size and shape, and others, such as humidity, to the system itself. Although there is a general understanding of these individual mechanisms, the multitude of interactions that govern the specific behavior of a given powder can many and in turn, affect how these powders are processed. In this Chemical Processing Powder eHandbook, we take a look at technologies and strategies for handling powders including:
- How to Optimize Humidity for Efficient Powder Handling - too much or too little moisture can cause problems during processing and storage
- How to Select the Right Conveying and Feeding System - successful bulk handling of calcium carbonate depends on a variety of factors
- Suppressing Explosions for Process Protection - A properly designed and engineered suppression system offers many advantages
Powders and the dust they create have a tendency to create a myriad of material handling headaches. For example, dust can wreak havoc on the performance and accuracy of many level sensors, rendering them inaccurate and unreliable. Powder particles under the influence of gravity can become compacted resulting in inter-particle friction that may prevent flow movement. In this Chemical Processing Powder eHandbook, we offer a few tips for optimizing powder processing.08/12/2013
Some chemical makers are missing opportunities to reduce operating costs and increase profits because they aren’t striving to re-engineer and streamline their processes. A plant often can achieve substantial benefits through simplified steps that do more and work better with less complexity. In this Chemical Processing Powder eHandbook, we take a look at strategies and solutions for optimizing powder processing including: • Streamlining the chemical processing process – enhancing operations by removing complexities that creep in over time • Suppression systems – How a properly designed and engineered suppression system offers many advantages including explosion aversion • Mitigating the impact of uncertainty - how the correct weighing system and a proper maintenance schedule can ensure accuracy Learn strategies for optimizing your powder processing. Download your copy of this Chemical Processing Powder eHandbook now.05/15/2013
Processing powders can be tricky. During processing, powder properties can be affected by many different factors including if the materials are stored for long periods, if the materials are exposed to moisture, and by fluctuations in the mechanical processes that handle powders. In this Chemical Processing Powder eHandbook, we take a look at technologies and strategies for handling powders including: Options for large drivers – with a focus on variable-speed electric motors Innovative level measurement technologies How shear cell instruments and relative humidity tests can determine a powders flow behavior Indoor flameless venting – how modern technology can help eliminate the risk of damage and reduce maintenance costs Learn how to process powders with ease. Download your copy of this Chemical Processing Powder eHandbook now.02/15/2013
Learn more about how to effectively handle powders during processing. Download your copy of this ChemicalProcessing Powder eHandbook now.11/20/2012