The train of thought,operating experiences and the resulted pulp quality of 80 t/d deinking line after technical reform in Guangzhou Paper Mill are introduced in detail in this paper.

Environment-friendly Deinking-agent PA-104 and Its Application in Wash-deinking;

Improvement of domestic deinking prescription for used publication papers;

Suitable dosage for various agents in deink of domestic waste book paper;

Study on Laccase/Mediator System Deinking and Mechanism of Old Newsprint;

This article introduced the technology of ultrasound, including the principle of its action and its use in the papermaking, mostly in the use of fibre pretreatment, deinking and the treatment of wastewater.

GIS/ RS-based Engineering Geologic Survey for the High-rank Highway in Motuo County, Tibet;

Motuo county is the only one which has no highway to there.

Species Identification of Anopheles maculatus Complex in Malaria Endemic Area Motuo County, Tibet;

Exploration into Cropland Development Construction and Ecological Protection in Motuo County of Tibet

Motuo is located in Tibet.

Industrial production experiment on neutral deinking of waste newsprint;

This paper studied single anionic surfactant, single non-ionic surfactant and the synergistic effects of different anionic surfactant and non-ionic surfactant in the ONP neutral deinking.

Using the homemade neutral deinking agent, the conditions which affected the ONP/OMG neutral deinking process were studied.