Used Cooking Oil as Printer Ink

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Background of the Study
Nowadays, most documents need to be printed. For most students and office workers, their homes are not complete without the printer. Owning this device is really just a necessary convenience in their everyday lives. However, despite the very high demand for printers, inks and paper in the modern world, it is overlooked that these materials are expensive to make. Printers and printer inks cost several hundred pesos and few people have the privilege of buying printer ink regularly. Recently, there have been many efforts by other scientists to manufacture inks that are both environmentally friendly and economical. In line with this, the researchers would like to find out if using cooking oil will also be a good alternative. Cooking oil is one of the major water pollutants because it is one of the substances that contribute to the clogging of sewers. It is mostly thrown away when it has served its purpose for cooking. Most of the materials and resources used to manufacture printer ink and ship them around the world are also contributing to environmental degradation. There have been suggestions to recycle used oil and make it into ink so that the problems it causes will be reduced. Last year, the previous researchers were able to prove that used cooking oil can be an alternative source for an inkjet printer. The problem now is if the same kind of ink can be refined and used again for a continuous printer and if the researchers will be able to improve the produced ink based on the recommendations made by the previous researchers on the said ink. So, the researchers have decided to choose this topic, to continue what the previous researchers have started and also to improve on the product.

Statement of the Problem
The study sought to answer the question: Can used cooking oil be an alternative source of ink for a printer?

In view of the preceding question the following hypotheses were advanced: 1. The printed output will not have any blot.
2. The printed output will not have any odor.
3. The produced ink will dry fast on the output.
4. The more dye the darker the printed output will be.

Significance of the Study
The investigators strongly believe that the result of the study would prove to be beneficial to the following:
Students. The students are the primary beneficiaries of the study. Since this study is a method of finding out if ink made from used oil can indeed be a source of ink for a printer. Students will find this study to be very helpful because they will be using a cheaper kind of ink to print their projects and computerized requirements for school.

Teachers. Teachers would also greatly benefit from this study because the produced ink will be easier to make and will be cheaper for printing their handouts and computerized test papers.
Future student investigators. To the students who would like to do the same thing in the future as the current investigators do, the investigation would be of much help to them in ways of helping them know that the use of cooking oil as an alternative source of ink will be very beneficial and might even give them the chance to further improve the produced ink and maybe even make it marketable.

People working in printing presses, office workers and other printing companies. In big companies like law firms, businesses and printing presses, ink is in very high demand despite its cost. A cheaper and more earth-friendly ink will be of help to these companies because then the money spent on getting these materials will be lessened and will be used for other more important things. Printing presses and other kinds of printing companies also print hundreds of reading materials every day, and because of this demand, these companies buy all sorts of inks in bulk. Such an amount of ink would be very costly and expensive and the waste produced from printing is not so safe for the environment. If there were a...
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