The Pros And Cons Of Reverse Printing
INTRODUCTION
The International Institute for Environment and Development (IIED) estimates that a person consumes 48 kg of paper per year on average (1996). Also, as reported by ID2 Communications from Environment Canada, for each 1 kg of produced paper, approximately 324 liters of water is used. That amounts to roughly 15.5 cubic meters of water per person per year!
This proposal concerns the feasibility of de-inking (also known as reverse printing or “Laser Eraser”). It discusses the efficiency of having compact printers that remove ink from paper, and compares this method to larger more conventional methods used for paper recycling.
The primary aim of this report is to provide an alternative method for paper recycling, which has a lower
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In the same way that a printer applies heat to deposit ink on to the paper, de-inking will also be done via application of heat. According to Julian Allwood and doctoral researcher Davide Leal-Ayala, who came up with this invention together, this technique can be implemented without causing any heat damage to the underlying cellulose fibers of the paper sheet. Research conducted by Allwood and Leal-Ayala showed that sandpaper could also be used to remove toner ink; however, it will thin the paper as a consequence (2012).
Scope and Limitations
We will be limiting our scope to an economic and ecological comparison of the different types of paper recycling methods. We will limit our demographic to a city with minimal recycling capabilities like Beirut.
The report will not include any information on the political and legal aspects and ramifications of de-inking.
PROBLEMS & SUB
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Despite the high number, we think that the benefits overweigh the cost in this case. Leal-Ayala claimed in his research paper that the process of de-inking has the potential to reduce CO2 emissions coming out from waste paper treatment by 95% as compared to 76% for conventional recycling (2012). In an article written by Marine Goy in Digital Versus, she stated that paper using in the process of de-inking is usable up to five times before it needed extra processing to rejuvenate the fibers (2015). Given that this technology is still relatively recent, a high price tag is expected, but it does not compare to environmental benefits that it would provide.
CONCLUSION
In conclusion, this paper will aim to study the feasibility of de-inking as an alternative to conventional paper recycling. We will be focusing on the recently developed laser de-inking technique for its great environmental benefits and easy user handling.
After reading this proposal, we hope you now realize the importance of de-inking and its role as a possible major player in the recycling field. The results of this feasibility study will have a huge benefit for our green future.
We hope you give us the green light to pursue this feasibility
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