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ADVERTORIALS
TECHNOLOGYIN ACTION
ULRICK & SHORT & SILVERSON MACHINES PARTNER UP FOR PLANT-BASED MAYONNAISE CONCEPT
hydrated. Silverson offer mixers suitable for the production volumes of mayonnaise from 10 to 500L. In addition a full range of equipment from laboratory scale to full production is available for other applications, meaning the results obtained in the laboratory can easily be reproduced on the production floor. Ulrick & Short’s R&D Technologist, Tobias Powell, said “ovaproxTM 11
doesn’t only replace the functionality of the egg in emulsifying, but it also acts as a stabiliser. This means the mayonnaise doesn’t require the addition of hydrocolloids, which often carry label declarations that are not always perceived as positive by consumers, such as gums.” Powell added, “ovaprox 11 is one of 3 formulations which have been
tailored to work at different oil content levels – anything from a 50% to 70% oil recipe. This ensures the product is stable throughout manufacturing, and that the oil and aqueous phases do not separate, or ‘break’. It also provides the thick texture & creamy mouthfeel characteristic of a ‘conventional’ mayonnaise.” Lesley Smith, New Product Development Engineer at Silverson said
Ulrick & Short have developed a new ingredient specifically for plant-based mayonnaise & dressing applications. The ingredient, called ovaproxTM 11, is the latest addition to the company’s egg replacement range. ovaproxTM 11 has dual functionality, firstly acting to replace the emulsification function of egg in mayonnaise, and secondly acting as a stabiliser, meaning the product does not require the addition of hydrocolloids with less consumer-friendly declarations, such as like guar and xanthan gum. Silverson’s range of high viscosity In-Line mixers has been
developed for the manufacture of products such as sauces, including ketchup, mayonnaise and sweet sauces and for applications in the pharmaceutical, cosmetics and chemical industries. Silverson’s Flashmix powder/liquid mixers are also suitable for higher viscosity products where large amounts of powders need to be dispersed and
“Following on from the success of our Flashmix Powder/Liquid mixers, we’ve developed a pilot scale version. This new mixer is an ideal mixing system for recipe and process development. Large enough to represent full scale production and producing sufficient batches for consumer testing, yet small enough to be bench-mounted and used in a test kitchen.” Smith added, “Using the innovative pumping rotor design, high
viscosity products such as Mayonnaise can be successfully mixed on this hygienic pilot scale mixer. Designed with scale-up in mind, processes can easily be scaled up to larger Silverson mixers such as the Mayonnaise plant, achieving consistent results without the need for reformulating.”
Silverson
www.cleanlabelingredients.com
On the level, sticky situations resolved with RF Admittance coating rejection
The coating rejection capability of the Drexelbrook RF Admittance level technology is key to its success in the measurement of highly viscous media. Drexelbrook’s patented, proven Cote-Shield™ technology is able to ignore coating build-up on the probe ensuring accuracy and reliability with the elimination of false trips, regardless of product accumulation on the level transmitter. This makes Drexelbrook level transmitters ideally suited for level
measurement in applications involving adhesives, bitumen (asphalt), cement, tarmac, pitch & resins. Furthermore, other features such as its remote electronics ensure immunity to the high temperatures, pressures and significant vibration that are often associated with these manufacturing processes. Petroleum Bitumen, normally called “Bitumen” or “Asphalt” is
produced by refining crude oil. Used as a binder in road-building products, it is a very viscous, black or dark brown material. At Nynas Bitumen’s Eastham Plant at Ellesmere Port in Cheshire,
which is a joint venture with Shell, the journey from crude to highly refined process oil starts in the distillation column. The crude oil is pumped from storage tanks through a heat exchanger system where its temperature is increased to about 200°C – and then further heated in a furnace to around 300°C where it is partly vaporised before entering an Atmospheric Distillation Column (ADC). In the ADC the physical separation of the components takes place.
The lighter components rise to the top and the heaviest components fall to the bottom of the column. The material from the bottom then
54 APRIL 2022 | PROCESS & CONTROL
enters a Vacuum Distillation Column via another heat exchanger. This is where the bitumen is produced. Vacuum distillation helps to maintain the inherently high binding characteristics of crude due to the lower operating temperatures. As an approved supplier to Nynas,
ABLE specified the Drexelbrook IntelliPoint RF Admittance Point Switch for the critical high level alarm duties on the bitumen storage tanks. Spillages from these tanks as a result of overfilling have a high potential for serious injury, as bitumen is stored at high temperatures and has a large thermal capacity. Furthermore, the coating rejection capability of the IntelliPoint is key to the success of the measurement of this highly viscous medium. The subsequent reliable and repeatable performance of the IntelliPoint has allowed Nynas to raise the high alarm level set-point, thereby increasing the storage inventory of the vessels. Nynas Senior Maintenance & Project Engineer, David Harrison
commented “We had been having a lot of issues with unreliable high-level probes for some time and after some research and preliminary testing decided to use the Drexelbrook model RMT2 probes from ABLE. For more information on the Drexelbrook range of RF Admittance Level Gauges, please contact:
ABLE
info@able.co.uk www.able.co.uk www.247able.com
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