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Deinking is the industrial process of removing printing ink from paperfibers of recycled paper to make deinked pulp. The key in the deinking process is the ability to detach ink from the fibers. This is achieved by a combination of mechanical action and chemical means. In Europe the most common process is froth flotation deinking.
It is then cleaned, de-inked (ink is removed), bleached, and mixed with water. Then it can be made into new recycled paper. [4] The share of ink in a wastepaper stock is up to about 2% of the total weight. [5] In the mid-19th century, there was an increased demand for books and writing material.
The current process, termed "digital ink and paint", is the same as traditional ink and paint until after the animation drawings are completed; [8] instead of being transferred to cels, the animators' drawings are either scanned into a computer or drawn directly onto a computer monitor via graphics tablets, where they are colored and processed ...
Viscosity printing is a multi-color printmaking technique that incorporates principles of relief printing and intaglio printing. It was pioneered by Stanley William Hayter.. The process uses the principle of viscosity to print multiple colors of ink from a single plate, rather than relying upon multiple plates for color separation.
The de-inking process during paper recycling is also a source of emissions due to chemicals released in the effluent. The European Recovered Paper Council has developed the ‘deinkability scorecard’ so that the printed paper products which have the best recyclability when they are deinked can be identified.
In this method, a stream of ink is released continuously from the nozzle. A garden hose jet stream is a good example of a continuous flow from a nozzle except CIJ nozzles are tiny (less than .005 inch or about 1/10 millimeter). The ink stream naturally breaks into separate drops due to Plateau–Rayleigh flow instability. Fluid streams can be ...
For example, if you purchase a rental property for $500,000, you can depreciate the cost of the physical property. If the value of the land is $50,000, you can depreciate the remaining $450,000.
The same approach applies if one of the colors is a spot color and the other a process color. Trapping becomes more difficult if both colors are process colors and each is to be printed as a combination of the basic printing colors cyan, magenta, yellow and black. In this case, the trapping decision depends on the amount of ‘common’ color.