Process Equipment Update


The collaboration between Air Products and the water research group of the School of Environmental Science and Engineering of SCUT will focus on the development of a flexible and effective bioreactor resulting from the integration of ozone reaction and biological aerated filter (BAF) technologies.


Wastewater treatment and reuse


The technologies and solutions developed will be applied to various water and wastewater treatment areas including industrial wastewater treatment and reuse. In addition, Air Products also has established a scholarship


program at SCUT for outstanding students at the School of Environmental Science and Engineering. “SCUT is outstanding in environmental science with


a focus on water treatment. Our strategic collaboration will enable us to advance water purification technology and commercialise sustainable and innovative solutions to meet China’s local market needs, as well as cultivate talent. We hope to continue to explore further ways of working together,” said Steve Jones, China president, and senior vice president and general manager of tonnage gases, energy and equipment, at Air Products. SCUT is one of China’s key universities operating under


the direct leadership of the Ministry of Education of China. SCUT’s School of Environmental Science and Engineering owns a number of patents in water treatment technologies and is one of the top research institutes focusing on pollution control and environmental protection. Air Products has been supplying the water and wastewater


industries for over 30 years. Its innovative, value-added technology solutions help improve water treatment processes and have set the industry standard, such as its ozone vent gas reuse application and the recently launched Halia mixer aeration system.


Onsite ozone generation


Halia onsite ozone generation provides safe, reliable, ‘over the fence’ ozone gas supply to your process with predictable long-term pricing while eliminating your exposure to ozone generation operations and maintenance costs. The offering consists of dedicated ozone production capacity consisting of liquid oxygen supply necessary for making ozone as well as the ozone generator, necessary controls and monitoring equipment. Meanwhile the Halia oxygen recycle system can recover


and recycle greater than 70 per cent of the unconverted feed oxygen within the ozone generation system. For the customer, this can be a means of significantly lowering oxygen costs. Air Products was the first global industrial gas company to establish an internal R&D capability in China when it set up its Asia Technology Centre in 2005.


Slicing and wrapping


Aquionics has launched what it says is the world’s first UV LED disinfection system. Known as UV-Pearl, it offers highly efficient disinfection for the pharmaceutical and health care industry using a mercury free design for flows lower than five gallons/minute. The new system is easily integrated into OEM devices, ultrapure water generation, process water


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loops, laboratory research equipment and washing/rinsing machines. The UV-LED disinfection technology activates instantly to


begin treatment and can easily operate in no flow conditions if needed. On/off cycles have no effect on system operation. “The UV-Pearl’s novel compact design allows for an unlimited number of configurations,” says the company. Meanwhile Purion now offers its range of Airpurion units


and UV sets with a safety film that prevents splintering. The quartz glass is coated with a special UVC-transparent film, ensuring that no glass splinters can be released if the quartz tube is damaged. It is particularly aimed at food and feed production processes.


Reliability and flexibility


Meanwhile, in other process equipment developments, reliability, flexibility, ease of use and safety are the watchwords for modern mixing systems. For example, Uni tec is a newly developed, individually


designed general-purpose mixer provided by MTI Mischtechnik for manually or fully automatically controlled preparation of bulk materials in the process industries. Depending on its configuration, uses of the new mixer


unit range from homogenising bulk stock of diverse material characteristics to performing complex processing cycles aimed at providing specific product properties. The design criteria of the mixing vessel, mixing tool and


optional chopper systems are variable over a very broad range. As a result, the unit can be optimally adapted to specific


application needs – from gentle homogenisation of the most sensitive starting materials to the pre-dispersion of, for example, cohesive pigments. Further options – including spraying systems for fluids, a


double jacket for temperature-controlled process management, and a vacuum-proof or pressure shock resistant design of the mixing vessel – are available to handle coating and granulating tasks with high accuracy and repeatability. Thanks to the operator-friendly design of the new Uni tec universal mixer, it ensures convenient filling, evacuating and cleaning in every situation. “The new Uni tec system combines high ease of use,


maximum process reliability and safety, as well as application- focused configurability in one single unit. This standard- setting combination enables users to obtain high-quality mixing results with remarkably superior efficiencies compared to most conventional mixers. Needless to say, MTI’s products conform to all applicable codes and regulations including ATEX requirements according to the raw material property specifications,” said MTI ceo Christian Honemeyer. Apart from the new Uni tec universal mixer, MTI’s


product range comprises an easy-to-clean horizontal mixer, the application-focused MTI Flex-line and MTI Eco-line heating-/cooling mixer combinations, and highly efficient dehumidification and aspiration systems. In late 2010, the company launched its Cool tec mixer,


pioneering direct cooling by means of a refrigerant rather than with cooling water. According to MTI, the technology has been widely acclaimed for its much enhanced cooling performance and concurrently reduced energy demand. l


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