Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Qing Wei Ping"'
Publikováno v:
Guang pu xue yu guang pu fen xi = Guang pu. 37(1)
The soluble lignin and furan compounds in hydrolysate of lignocellulose biomass have absorbed peaks and inter-superimpose in UV spectroscopy. Therefore, this paper developed a method for the determination of furfural and 5-hydroxymethyl furfural in e
Publikováno v:
Advanced Materials Research. :2618-2622
The degradation rules of glycan in reed ethanol/water cooking process were studied. The degradation rules of polydextrose and polyxylose were obtained in the cooking process by means of ion chromatography determination of glucose and xylose in the re
Publikováno v:
Advanced Materials Research. :2623-2627
This article studied the pulp contrast of reed three-stage counter-current cooking and single-stage cooking, meanwhile analyzed the regulation of the yield , the hardness of pulps and the properties of the waste liquor from each cooking stage of reed
Publikováno v:
Advanced Materials Research. :3109-3112
Ethanol pulping is a kind of solvent pulping technology. The utilization of lignin in waste liquor can reduce pollution and increase high value of product. The lignin in the waste liquor could be isolated by adding water in the system after standing
Publikováno v:
Advanced Materials Research. :1859-1862
To isolate lignin of PHL, PEO with various molecular weights (MW) s were added to PHL under different process conditions, and the turbidity and size of complexes formed in the PHL, as well as the lignin, hemicelluloses (sugar) and chemical oxygen dem
Publikováno v:
Advanced Materials Research. :2526-2529
In this paper, the poplar Alkaline Peroxide Mechanical Pulp (APMP) pulping wastewater was treated by the SBR. The pulping wastewater was from the processes of washing, soaking and defibrination. The COD of the pulping wastewater was 5671 mg/L and the
Publikováno v:
Applied Mechanics and Materials. :1793-1797
The waste liquor from the first cooking stage of reed three-stage counter-current batch cooking with ethanol-water process was decolorized by preliming, sulfitation and activated carbon absorption combination method. The preliming temperature, calciu
Publikováno v:
Advanced Materials Research. :1605-1609
In this study, the reed pulping medium wastewater was treated by the membrane bioreactor. The purpose of the study is to determine the operating conditions to the operation of internal membrane bioreactor for the treatment of reed pulping medium wast
Publikováno v:
Advanced Materials Research. :1195-1198
The organic solvent lignin in this paper was extracted from the scrap liquid of the reed ethanol pulping. The attained lignin was characterized by Scanning Electron Microscope(SEM).On this basis,the lignin is blended with PVC and other auxiliar
Publikováno v:
Advanced Materials Research. :1216-1219
The synthetic of lignin flocculant has two steps. First, the graft copolymerization of lignin and acrylamide; Second, make the graft copolymer into cation product. This lignin flocculant has a high decolour rate and removal of CODCr. Under the experi