Patents Assigned to BEIJING INSIGHT BIOMASS LLC
  • Chemical pulping method
    Patent number: 9951476
    Abstract: The present invention provides a pulping method. Caustic soda is replaced with cheap lime to manufacture pulp in high efficiency, and meanwhile complexation, flocculation and acid-base neutralization of aluminum sulfate are further utilized, so as to recycle effective ingredients in a black liquid, achieve a yield approximate to a mechanical pulp yield, obtain quality of the chemical pulp, implement cyclic utilization of the black liquid and solve the pollution thereof.
    Type: Grant
    Filed: June 25, 2013
    Date of Patent: April 24, 2018
    Assignee: Beijing Insight Biomass LLC
    Inventors: Yingwu Yin, Peng Wan, Honggui Yu, Yujuan Zhang, Xiangxiang Sun, Lingyan Zhang
  • Chemical Pulping Method
    Publication number: 20150176207
    Abstract: The present invention provides a pulping method. Caustic soda is replaced with cheap lime to manufacture pulp in high efficiency, and meanwhile complexation, flocculation and acid-base neutralization of aluminum sulfate are further utilized, so as to recycle effective ingredients in a black liquid, achieve a yield approximate to a mechanical pulp yield, obtain quality of the chemical pulp, implement cyclic utilization of the black liquid and solve the pollution thereof.
    Type: Application
    Filed: June 25, 2013
    Publication date: June 25, 2015
    Applicant: BEIJING INSIGHT BIOMASS LLC
    Inventors: Yingwu Yin, Peng Wan, Honggui Yu, Yujuan Zhang, Xiangxiang Sun, Lingyan Zhang