title: ÐÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ Ð¸ ÑÐ°Ð·ÑÐ°Ð±Ð¾ÑÐºÐ° ÑÐµÑ Ð½Ð¸ÐºÐ¸ ÑÐ´Ð°Ð»ÐµÐ½Ð¸Ñ Ð¾ÑÐ¿ÐµÑÐ°ÑÐºÐ° Ñ Ð±ÑÐ¼Ð°Ð³Ð¸
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð¼Ð°Ð³Ð¸ÑÑÑÐ°
titleType: Subtitle
title: Research and development of a paper print removal technique
Creators: name: ÐÐµÐ±ÐµÐ´ÐµÐ², ÐÐ»ÐµÐºÑÐ°Ð½Ð´Ñ
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2023
Subjects: ÑÐ´Ð°Ð»ÐµÐ½Ð¸Ðµ ÑÐ¾Ð½ÐµÑÐ°
Ð¸Ð½ÑÐµÐ½ÑÐ¸Ð²Ð½ÑÐ¹ Ð¸Ð¼Ð¿ÑÐ»ÑÑÐ½ÑÐ¹ ÑÐ²ÐµÑ
Ð¾ÑÐ¸ÑÑÐºÐ° Ð±ÑÐ¼Ð°Ð³Ð¸
Ð¿ÐµÑÐµÑÐ°Ð±Ð¾ÑÐºÐ°
Ð¼ÐµÐ»Ð¾Ð²Ð°Ð½Ð½Ð¾Ðµ Ð¿Ð¾ÐºÑÑÑÐ¸Ðµ
Ð¾ÑÐ¿ÐµÑÐ°ÑÐ¾Ðº
toner removal
intense pulse light
paper cleaning
recycling
coating
print

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description: The purpose of this graduation project is to research and develop a technique for removing the result of digital printing from coated paper. Based on existing scientific research in this area, it is planned to find a new approach that will effectively and safely remove prints from paper surfaces. The problem that this work solves is that the existing traditional methods of processing coated paper have low efficiency, use chemicals that can be harmful to the environment, and also reduce the possible number of paper recycling cycles. Various methods and approaches will be used to achieve the set objectives, including analytical and experimental studies. The paper analyzed the technologies of traditional paper processing and identified their shortcomings. Modern paper cleaning and recycling technologies have been evaluated for applicability and effectiveness when used to remove dry toner from coated paper. The optical method of removing an imprint from coated paper showed the greatest efficiency. As a result of the experimental evaluation, the modes of removing toner prints of various colors by the methods of single and multiple pulse exposure were determined, the applicability of the technology for different types of papers, such as matte, glossy and satin, was evaluated. Glossy paper was the best in terms of cleaning efficiency, followed by satin paper. The results of cleaning matte paper turned out to be unsatisfactory; additional studies are required to assess the applicability of the technology to this type of paper. Based on the experimental data, the energy consumption of the optical toner removal technology was calculated. According to its results, the efficiency increased by at least 3 times with one cleaning cycle compared to traditional paper recycling. Given the data obtained, as well as the availability of xenon lamps of various sizes, optical deprinting technology can be integrated into conventional printers for automated âon-siteâ cleaning, or used to create a separate device. The functional diagram of such a device was also presented in the work.