Except for a few odd services, high liquid rate applications are typically the domain of either trays or random packings. Aside from the distributors, random packing designs are rather straightforward with the designer choosing the proper size to accommodate the fluid flow rates and achieve the desired efficiency. Trays, on the other hand, have a large variety of adjustable parameters and can be especially complex, especially when designed for high liquid rate applications.09/17/2007
This 11-page PDF whitepaper creates an outline for a standardized approach to the devices and items routinely provided to allow personnel to cross unit handling material handling conveyors.05/01/2005
This 30-page paper discusses the basic design, construction and performance of shell and tube heat exchangers.10/22/2008
Should you use derivative action with your controllers? This whitepaper discusses the positives and negatives of derivative action.02/16/2005
To maximize a plants performance, it is critical to fully understand the equipment being used, their mechanisms of operation, limitations and capabilities. This includes furnaces, exchangers, pumps, and mass transfer devices for distillation columns: fractionation trays, random and structured packing and associated liquid and vapor distributors. The purpose of this paper is to provide an overview of the key factors to successfully revamp with the goal of maximizing capacity without compromising efficiency.03/31/2006
The dangers posed by combustible dusts are no longer being swept under the rug. Tougher regulations and greater corporate resolve are making dust hazard management an increasingly important topic for every manufacturing sector including the chemical, food and pharmaceutical industries. This Special Report, brought to you by Chemical Processing details the dangers posed by combustible dusts and includes: the latest thinking on both hazard identification and mitigation; it identifies how to mitigate dust hazards in oral solid dosage facilities; it takes an in-depth look at regulations and the thinking behind suppression technologies as a result of past activity; more!04/17/2012
The power industry is susceptible to a variety of cyber threats, which can wreak havoc on control systems. Management, engineering and IT must commit to a comprehensive approach that encompasses threat prevention, detection and elimination.03/27/2006
As companies and industries increasingly rely on technology, security risks become greater. With growing numbers of Windows machines and increased scarcity of skilled technical resources, a “perfect storm” of cyber threats in production facilities is looming.09/21/2012
Sponsored By: Parker
Chemical plants vary widely in size and complexity yet share common goals for maximizing efficiency safely and cost effectively. This Chemical Processing Special Report tackles two areas in chemical processing - compressed air systems and powder handling - where gains can be achieved for improving efficiency. We also address the concerns of safety as it relates to drying compressed air in hazardous atmospheres.
- Whether compressed air systems are centrifugal, rotary screw, reciprocating compressors or a combination, this Special Report provides and understanding of what’s involved in getting a suitable supply of compressed air.
- Efficient powder handling can be achieved through optimized humidity management.
- Safe drying practices in hazardous air locations
The U.S. Occupational Safety and Health Administration’s Process Safety Management (PSM) Standard [29 CFR 1910.119(j)] require plant management to identify and address hazards. Further challenging plant management, the mechanical integrity (MI) element of the PSM has been difficult for many facilities to implement. In fact, PSM audits by OSHA have consistently demonstrated that MI accounts for a large number of citations at most facilities. In this Chemical Processing Special Report, we take a look at how to effectively implement strategies to comply with PSM standards including:
- Common piping, hoses and valves hazards – what PHA (Process Handling Analysis) teams should look for to improve the quality of the hazard evaluation
- MI element of PSM – an in-depth look at the stated MI requirements, the perceived interpretation of these requirements and further considerations for identifying your plant’s compliance strategy
- MI implications – the impact MI has on plant’s written procedures, training, inspection & testing, and how equipment deficiencies and quality assurance programs are managed
Reliability programs are now standard business practice in companies that rely heavily on machines, equipment and other physical assets. However, plants are continually challenged in identifying new and cost-effective ways to ensure their assets are performing and that they are managing to minimize operational risks. In this Chemical Processing Reliability eHandbook we take a look at proactive approaches for improving reliability and maintenance in today’s processing plant including:
- Rotating equipment - how to take advantage of improved internals and better seals
- Meeting process requirements and protecting equipment with strainers
- Insights from surface temperature measurements and the critical role IR thermography is to maintenance
Download your copy of this Chemical Processing Reliability eHandbook now.11/14/2014
One of the trickiest materials to process, solids are comprised of powders or particulates, a continuous gaseous phase (usually air) and, almost always, a liquid component. Processors that handle solids know only too well the types of throughput problems that come up on a recurring basis. Effective, economical and safe slurry management; flowability during processing, accurate inventory and volume level management are all very real challenges faced by processors of solids. In this Chemical Processing Powder eHandbook, we take a look at how to effectively handle solids including:
- Properly accounting for how bulk solids actually will flow in a vessel or overall process -- we take a look at some simple parameters that can often provide a good sense of flowability
- Strategies for avoiding slurry trouble
- Mitigating pipe segment force imbalances with Reactor Excursion and Leakage Analysis Program
- Acoustics-based level measurement for accurate powder measurement in bins, tanks and silos
- Explosion protection methods including suppression, isolation and venting
Learn more about how to effectively handle powders during processing. Download your copy of this ChemicalProcessing Powder eHandbook now.11/20/2012
As many chemical processors know, processing powders can be tricky. Powder properties can be affected if the materials are stored for long periods. Powders can be compressed, vibrated, aerated and exposed to moisture. And specific processes like granulation, blending, drying, milling, lubricating and compression put requirements on how powders can be handled. In this Chemical Processing Powder eHandbook, we take a look at how to effectively process powder including:
- Compression dryers – the case for choosing a solution that produces optimal air quality and low energy consumption
- GHS – understanding the requirements and what it means to chemicals processors
- Predicting powder flow behavior
- Vibratory screen cleaning methods
- Fine powder flushing - eliminating a common bin-afflicting problem caused by trapped air
- Tubular Drag Conveying Technology – an alternative to pneumatic conveying
- Addressing dust hazards – including explosions
Are you looking for proactive solutions to pollution issues? Pondering 2016 regulation challenges? Looking to improve safety, sustainability and cost savings? Considering how to select the right VOC abatement method?
This Chemical Processing eHandbook takes a look at how chemicals manufacturers can meet some of the challenges of Pollution Control issues before they start. Download this Chemical Processing eHandbook for insights and strategies including:
- 2016 Presents Regulation Challenges: Legislation will focus on unfinished business, work plan chemicals and green chemistry efforts?
- Plants Plug Away at Leaks: The quest for improved safety, sustainability and cost savings drives efforts to reduce fugitive emissions.
- Select the Right VOC Abatement Method: There’s no one-size-fits-all approach and use varies greatly by application.
- Increase Sustainability with Thermal Oxidation: The right emission control system can help meet compliance and reduce energy costs.
Is figuring out how to choose the proper pump, pick the proper flow meter or select the correct rupture discs keeping you awake at night? Do you want some guidance on how to make these decisions?
This Chemical Processing eHandbook takes a look at how chemicals manufacturers are making the right selections. Download this Chemical Processing eHandbook for insights and information on:
- Defeat A Double Whammy: Select the proper pump to handle low suctions head and cavitation.
- Pick the Proper Flow Meter: Consider a wide range of factors to determine the optimal choice.
- Choose Rupture Discs Wisely: Selecting the correct pressure relief method and configuration depends on a variety of factors.
For chemical processors, changing process conditions demand quick responses in order to keep processing effective and to keep processes running properly. For processes undergoing such changes, accurate and timely measurements, such as vibration monitoring, redundant tank level measurement and steam header temperature profiling can be difficult to collect. In well-established plants it’s both very expensive and time consuming to get measurement points online using conventional wired instrumentation. Many processors are now turning to wireless devices that can supply data from numerous points that never could have been justified otherwise. In this Chemical Processing Wireless eHandbook we take a look at wireless technology solution successes:
** How installing a wireless pH analyzer for crucial insights on seal integrity provided Fuji Film with a low-cost monitoring solution for protecting a pricey pump
** How one of the world’s largest producers of chlorine, caustic soda and vinyl chloride embraced wireless technology and achieved operating economies and more efficient control of its chemical processes
Treating and reusing process water is a multidimensional challenge for process plants. Compliance with regulatory requirements to prevent and mitigate industrial pollution can require significant capital investment as well as ongoing maintenance outlays. The increasing scarcity and cost of fresh water for production processes also compounds the problem. In this Chemical Processing Wastewater eHandbook we take a look at how to widen your perspective on wastewater including:
- Optimizing water cleanup with activated carbon - including a few pointers to make the most of absorption systems
- Improving plant performance with solids/turbidity monitoring - how continuous monitoring in the liquid processes stages of a wastewater treatment plant offers important benefits
- How to solve partially filled pipe flow measurement challenges
- How variable frequency drives can reduce installation and programming costs while providing a host of other benefits
Download your copy of this Chemical Processing Water Wastewater eHandbook now.06/25/2014
This Chemical Processing Water/WastewatereHandbook, Waylay Water Systems Woes, takes a look at how manufacturers are meeting some of today’s water system challenges. Are you faced with the challenge of properly applying plastic piping? Is PH troubleshooting concerning you? Would you like to learn more about treating condensate water with activated coconut based carbon?
Download this Chemical ProcessingeHandbook nowfor insights and strategies including:
- Properly Applying Plastic Piping: Use of such piping requires careful consideration of a number of issues.
- Succeed at PH Troubleshooting: Heed some pointers to properly diagnose the cause of a problem.
- Treat Condensate Water with Activated Carbon: High-purity coconut based carbons reduce silica leach, rinsing requirements