Abstract:The research and development of green chemistry and technology are becoming a hot-spot in domestic and foreign countries, along with the rapidly development of the pulp and paper industry and constantly reinforce of the public awareness of environmental protcction. Many countries are developing new bleaching technologies to achieve cleaner pulp and paper protdction. This paper described present situations of green bleaching at home and abroad, and reviewed the new advances of hydrogen peroxide bleaching, ozone bleaching, bio-bleaching, electrochemical bleaching and other green bleaching. |