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Xu Y.-M.,Hunan Juntai Pulp and Paper Co. | Zhou K.-P.,Hunan Juntai Pulp and Paper Co. | Li W.-N.,Hunan Juntai Pulp and Paper Co. | Xu Y.-S.,Hunan Juntai Pulp and Paper Co.
Chung-kuo Tsao Chih/China Pulp and Paper | Year: 2012

The achievement of HC & LC odor treatment in a 400,000 t/a sulfate chemical wood pulp mill was introduced, with focus on the technology of flow wash-oxygen plasma treatment.


Qu Q.-Q.,Changsha University of Science and Technology | Ma L.-F.,Changsha University of Science and Technology | Zhou K.-P.,Hunan Juntai Pulp and Paper Co. | Pan X.-F.,Changsha University of Science and Technology | And 2 more authors.
Chung-kuo Tsao Chih/China Pulp and Paper | Year: 2011

In this paper, the oxyen delignification process of pinus massoniana prehydrolysis sulfate pulp was studied, the mechanism of oxyen delignification of prehydrolysis sulfate pulp was discussed based on the comparison of oxyen delignification of prehydrolysis sulfate pulps at different prehydrolysis degree with oxyen delignification of KP pulp. The optimal conditions of oxygen delignification of pinus massoniana prehydrolysis sulfate pulp was found that the dosage of alkali 3%, temperature 100°C, reaction time 60 min, oxygen pressure between 0.5 MPa and 0.6 MPa, MgSO 4 charge 0.2%. The oxyen delignification rate of prehydrolysis sulfate pulp was higher than that of KP pulp,and increased linearly with reaction time of prehydrolysis,but viscosity reduction rate was lower than that of KP plup. The infrared spectra analysis indicated that the removal of guaiacyl during oxyen delignification of prehydrolysis sulfate pulp was more than that of KP pulp, and relative intensity decrease of carbohydrate absorption peaks during oxyen delignification of prehydrolysis sulfate pulp was less than that of KP pulp.


The new technology and new equipment of Hu'nan Juntai Pulp and Paper Co., Ltd. wood chemical pulping line with capacity of 400,000 t/a were introduced. The cleaning production of the company with advanced technology was introduced emphatically.

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