Life today is a lot easier than before with the aid of advanced technology, making the daily activities of people in different walks of life more complicated in some aspects and yet more convenient in others. Recent advancements in technology itself are so hard to keep track of owing to the new innovations of different companies. Despite of the global changes today, some people still choose to preserve things the way they are, including memories. We can’t deny the fact that memorabilia such as photographs, books, and love letters, or other important documents may grow more faded and susceptible to damage as time passes by. No worries anymore. With the use of modern technology, old documents can be restored and that is through document drying.
For those who are not familiar with document drying, take note that not only papers but book as well can be restored with this method. Document drying encompasses several methods for different types of material. For books, they are best restored through a freeze-dried process, scientifically known as cryodessication and lyophilization. The process involves dehumidifying the book, which can be done by placing it in a chamber with a lower temperature, lower than that of a normal drying process. Through this process water is extracted from the document, while sealing the papers from moisture at the same time. The process is also applicable for restoring fire-damaged documents.
Another technique used in document drying is known as air drying. The process is to dry up document back to its original state by using an average temperature of 70 to 75 degrees Fahrenheit. This particular method is commonly used for drying one or two page document and is an inexpensive process. The drawback is that it is labor-intensive since the document should be looked after during the drying process to ensure against any mold formation.
Air drying has a variation called dehumidification or desiccant air drying. This is one of the newest methods of document drying. For this technique, important factors such as the temperature, air velocity and humidity are observed and controlled using massive dehumidifiers. For a more speedy drying process, a chemical called desiccant is used in machines that perform the process. The function of this is to lower the humidity of the room by 20%. For drying damp to moderately wet books, desiccant air drying is successful. The advantage of this method is that the documents are accessible while they are drying.
Another manner used in document drying is the method vacuum thermal drying. This modern process is conducted by placing wet or frozen books in a vacuum thermal-drying chamber where they are dried. Ideal temperatures are at above 32 degrees Celsius. For drying a huge of documents, this method is very efficient as well as cost-effective. For photographs and those documents with coated paper however, this technique may result to distortion and adhesion of these.
Vacuum-freeze drying is the last type of document drying technique. In this process, books are still placed inside a low pressure vacuum chamber but this time in smaller batches. The materials are then dried at a temperature below 32 deg Celsius and allowed to undergo the sublimation process. This is to ensure that no further swelling or distortion takes place. These are all types and methods of preserving your important documents with the use of modern facilities. It may be costly but favorable results you get.
