Patents Assigned to BEIJING HELEE BIO-ENERGY LTD.
  • Patent number: 9975085
    Abstract: A container-type biogas purification film method purification system comprises: a desulfurization and dehydration unit, a compressor, a purification unit, a heat exchanger, and a film-group purification and gas preparation unit that are disposed inside a movable container and are sequentially connected, the desulfurization and dehydration unit is connected to a biogas source generated by an anaerobic fermentation.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: May 22, 2018
    Assignee: BEIJING HELEE BIO-ENERGY LTD.
    Inventors: Wenzhi Pan, Changqing Zhou, Xinghua Yang, Hongyan Li, Dawei Wang, Wenjin Li