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Freeze drying or Lyophilization is a way of removing water from a substance without a cell collapse. Freeze dry a food and it can be carried by astronauts. Freeze dried flowers retain the same shape and colour as when fresh.
FROZEN freeze drying lyophilization freeze dried flowers freeze dried animals IN TIME LTD has freeze-drying machines to suit many applications. Its speciality however is in designing and custom building machines to exactly meet its customer's requirements. Vacuum vessels are designed to PD 5500 or ASMI VIII Div.1. These can be small units from a few cubic centimetres capacity, up to capacities of 20 cubic metres. How does the process work? lyophilization freeze dryers lyophilization Freeze-drying is the only way that water can be successfully removed from an organic substance and many other materials without damage to the cell structure and loss of volatile components. This entails freezing the substance or item, thereby separating out the water as ice crystals, and then under vacuum, introducing controlled heat. This causes the ice to sublimate, slowly freeze dried animals freeze drier freeze drying lyophilization coming away as vapour, without actually melting. Eventually the ice will all have vaporised, leaving the material completely dry, resulting in the minimum of change to the cell structure, extra cellular matrix or chemical composition. The process also requires a condensing surface that is at a lower temperature than the material being dried for the vapour to migrate freeze drying machines frozen in time freeze dried petals to. This is usually an area of the machine that is below -50°C and can be as low as -80°C. The vapour turns back to ice as it condenses on the colder surface and is not drawn into the vacuum pump. Our freeze-drying machines can be operated manually or via a PC where critical control is required. The Multi-Drier below is our fantastic, new, small freeze-drying machine designed freeze drying equipment wedding bouquet preservation freeze dried roses for a multitude of applications. Typical users are: Laboratories and Research Institutions Pharmaceutical Companies Biotech Companies Processors of Medicinal and Culinary Herbs Processors of Expedition and Survival Foods Libraries and Book Depositories Archaeological Trusts and Museums Freeze Dried Flower Producers Wedding Bouquet Preservers Taxidermists Lyotrap-Plus freeze dried roses freeze dried food freeze drying equipment The Lyotrap-Plus is a highly versatile laboratory sized freeze-dryer, ideal for the following applications: Pharmaceutical experiments Life science Forensics Pathological specimens Small zoological specimens Plant tissue The Lyotrap-Plus has an independent refrigerated process chamber just like larger production machines. This enables material to be frozen in the freeze dried petals freeze dried flowers freeze drying machines machine and the material temperature can be controlled while it dries. The separate, low temperature condenser chamber can collect up to 4 kilos of ice. The temperature controlled process chamber can also be heated to a maximum of 50°C. Heated shelves are also available as an optional extra as is a vial stoppering device. The process chamber measures: 300mm diameter x wedding bouquet preservation freeze dryers freeze dried animals 370mm deep Features on the Lyotrap-Plus include: 316 grade stainless steel chambers Powerful, hermetic non-CFC refrigeration system -55°C (nominal) condenser chamber Microprocessor control for refrigeration, vacuum pump, heating and de-frost LCD vacuum and temperature displays 4 mobile probes in process chamber for product temperature sampling Ability to freeze dried food freeze drier lyophilization be monitored and controlled via a PC and print out detailed report (optional) A suitably sized two stage vacuum pump is required Lyotrap Lyotrap-Plus Designed primarily as a freeze dryer when used with an acrylic process chamber or manifold and a vacuum pump, the Lyotrap is equally suited to other laboratory and industrial vacuum applications. Freeze drying of flasks, bottles, and vials Vacuum freeze dried flowers frozen in time freeze drying lyophilization distillation Solvent recovery Vacuum pump protection Features include: 316 grade stainless steel chamber Powerful, hermetic non-CFC refrigeration system operating at -50°C Electric de-frost system Microprocessor control LCD vacuum and temperature displays Mini-Lyotrap The Mini-Lyotrap is an economically priced freeze-dryer when used with an acrylic process chamber or freeze dryers freeze dried petals freeze dried roses manifold and vacuum pump. It is also suitable for other vacuum and industrial applications. Freeze drying of flasks, bottles, and vials Vacuum distillation Solvent recovery Vacuum ovens Vacuum pump protection The Mini-Lyotrap features include: 316 grade stainless steel chamber Hermetic non-CFC refrigeration system operating at -50°C Simple control The A series machines are designed to freeze drier wedding bouquet preservation freeze drying equipment keep the price as low as possible without sacrificing the function of the machine. They share the same refrigeration systems and controls as the D series machines but are built on an open frame. The A6/13 as shown has 3 square metres of removable trays in a process chamber that can be frozen down to -40°C or heated up to +50°C. The -55°C condenser chamber can frozen in time freeze dried food freeze drying machines collect up to 15 kilos of ice. An isolation valve between the chambers means the machine can be defrosted during the cycle if necessary without risk to the material being freeze-dried. Clear acrylic doors allow observation of the process. The A series machines have stainless steel chambers and shelves. Machines can be built in this format up to 20 cubic metres of chamber capacity.
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