Chemicals used in industry; chemical substances in the nature of catalysts for chemical processes; chemical materials in the nature of catalysts for chemical processes and chemical preparations in the nature of catalysts for chemical processes; natural chemical elements, namely, AQ (2-amylanthraquinone) and EQ (2-ethylanthraquinone) for the anthraquinone process for industrial use; industrial chemicals used in the preparation of catalysts; biochemical catalysts; industrial chemical catalysts