Replace chemical dyes with natural dyes
Replace chemical dyes with natural dyes. Separation of color from natural materials. Today, the widespread use of colorants in the fashion and apparel industry is increasing the environmental pollution, especially in rivers, streams and lakes.
Making Hydrogen Peroxide Directly by Chemical & Engineering New
H2O2 is used commercially for disinfection and bleaching; the global market for the chemical is expected to reach 3.8 million tons this year, according to a 2008 report by Global Industry Analysts. The current method to produce H2O2 is an indirect process that involves sequential hydrogenation and oxidation of an anthraquinone. Direct methods tend not just to hydrogenate O2 into H2O2 but also to convert H2O2 into water.