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1987, research MITSUBISHI team under the direction of Shushichi Yoshimura began research works in search of possible method of removal of solid impurities from pyrolytic carbon black. Research crowned with the development of „wet method” where carbon black slurry is subsequently sonicated [treated by ultrasonic waves]. The assumption of this invention was to provide carbon black, which is aplicable as coloring agent, rubber reinforcing component and electricity conductor. However, a major drawback of this technology is very high cost of implementation (due to drying process necessity).

2002, Federal Recycling Technologies order began research works on development of pyrolytic carbon black processing technology targeted on getting clean product competitive to furnace carbon black produced from primary natural resources (oil). Based on works carried out by Gilbert W. Denison patented „wet method” has been developed, but cleaning pyrolytic carbon black requires use of hydrochloric acid as a main chemical agent. This technology allows removal of metal oxides and sulfur compounds and, among others, production of inks and toners for printers. A serious disadvantage are very high implementation and operation costs. Because of that very high costs potential customers declined on this investment occasion.

High costs of „wet methods” caused scientific interests with technologically advanced mechanical separation methods.

2004, international project called SCRAPTREAT involved several companies and research institutions from EU countries. Target of this project was to examine potential methods of „dry methods” of untreated pyrolytic carbon black. Results of this study allowed to distinguish three main groups of applications of the final product. The first group, promising the best chance of commercial implementation included the use of carbon black as a fuel or an alternative fuel component. The second group (average chance of implementation) included the use of carbon black to the production of activated carbons to use in the metallurgical industry and foundry use as a filler in bituminous mixtures and used as a component for the production of refractory materials. Least-rated, however, was possible use of this product as as a substitute for furnace [virgin] carbon black, raw material for ink, and material for electrodes. Main outcome of this project is that it was found that the removal of mineral impurities present in pyrolytic carbon black dramatically extend spectrum of potential applications of purified pyrolytic carbon black.

Green” Carbon Black Solution Technology [GCBST] is a mechanical „dry technology” – simple, cost effective and environment friendly method.

GCBST products may be applied in a wide range of industries including paints, plastics, and rubber production.