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Increasing the Safety and Efficiency of Ammonia Sampling
From fertilizer and petroleum to textiles and plastics, production of vital commodities around the world relies on the use of anhydrous ammonia. Operators of chemical plants and petroleum refineries are well acquainted with both the handling hazards of the compound…
Mix highly viscous materials at higher capacities with this double planetary unit
This company recently completed the largest Double Planetary Mixer in its U.S. history, a Model DPM-750 capable of mixing up to 750 gal per batch and engineered with safety features for a Class I, Div. 1, Group D hazardous environment.…
The Critical Role of Cost Estimation in Successful Project Execution
The ability to forecast costs, align budgets and maintain control throughout the lifecycle of a project can mean the difference between delivering value and facing costly overruns In asset-intensive industries, such as energy, chemicals, power and infrastructure, the balance between…
Nickel-based catalyst could allow recycling of mixed polyolefin waste
Among the major challenges facing efforts to chemically recycle common waste plastics is that many methods require a pure stream of a single type of polymer to be effective. Now, researchers at Northwestern University (NU; Evanston, Ill.; www.northwestern.edu), led by…
Powerful palladium “plugs” make this hydrogen-separating membrane more durable
Palladium is widely used in membrane applications because of its extreme selectivity for hydrogen. However, conventional palladium membranes can be damaged at the high temperatures required for many processes that generate hydrogen for various subsequent uses, including the manufacture of…
Focus on Sensors
All-in-one monitor, data-logger and converter for flow sensors The IFQ Monitor 2 (photo) is a user-friendly monitor, advanced data-logger and converter for this company’s flow sensors. The IFQ Monitor 2 ensures accurate liquid-flow measurement in open-water and full-pipe applications, providing…
Facts At Your Fingertips: Determining RTD in Non-ideal CSTR Reactors
In continuous processes, the properties and quality of the products depend on the residence time of different feed substances, and feed materials may not spend the same amount of time in a reactor. When designing equipment for continuous processes, it…
Measurement and modeling point the way toward optimization of mechanochemical recycling
The widely used plastic polyethylene terephthalate (PET) can be depolymerized by reacting it with sodium hydroxide (NaOH) under strong mechanical impact from metal spheres in a ball mill. This type of mechanochemical route to recycling could alleviate some of the…
The Effects of Particle Size on Bulk-Solids Flow Properties
Understanding how particle size affects flow properties helps ensure reliable flow of materials between process steps Many industries utilize dry solid materials and powders (collectively referred to as bulk solids in this article) for producing and manufacturing products. It is…
Dispersing Powders into Liquids: The Role of Vacuum in Wetting
Effectively dispersing powders into liquids can be a challenge. Utilizing vacuum in the correct ways can help with wetting and dispersion When introducing powdered materials into liquids, the goal is always to achieve an air-free dispersion of solids in the…