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As a kind of environmentally friendly material, microfibrillated cellulose (MFC) has the following advantages: renewable raw materials, easy recycling, biodegradable, safety and so on. It can be combined with antibacterial agents to prepare the antibacterial packing materials for food. In this paper, the nano-ZnO was modified by titanate coupling agent TM-38s at first,determines the best dosage of TM-38 is 3% in the modification process,the dosage of the isopropyl alcohol for 40ml,improving its dispersibility. And then added in the MFC suspension to formulate the antibacterial coating for antibacterial coated paper preparation. The changes of antibacterial properties of the paper before and after coating were investigated in this study. The results showed that the paper had a significant antibacterial activity to e. coli and staphylococcus aureus (the antibacterial circle was bigger than 15 mm).When the nano-ZnO dosage was 2.5wt%, the antibacterial properties of the coated paper could reach the best situation. Application of the antibacterial caoated paper to the food packaging could restrain and kill the microorganisms on the food surface effectively, prolong the shelf life of food, and improve the food safety.

As an important document for the description and communication of transport policies, transport white papers have drawn special attention in western countries. This paper studies European transport white papers with the aim to explore their merits for reference. Firstly, the paper reviews the chronological development of European transport white papers to give a holistic view. Then, three European transport white papers that have critical historical meanings are analyzed in details, inspecting their issue background and policy objectives. Moreover, the features of European transport white papers are summarized, which include the concentration on chief problem, thorough action plan and flexible content system. These features deserve learning for other authorities when developing transport white papers.

Noise is one of the problems that often occur in urban areas due to the traffic condition. Noise in a building design depends on the choice of materials as sound absorbers. The type of sound dampening material that already exists is a porous material, a resonator, and a panel. The material often used as an absorber is porous materials, because it is relatively cheaper and lighter, especially to reduce the noise in the narrow spaces such as housing and offices. Various substitutes are made from cheap materials, such as the use of recycled materials of egg tray paper with the size of 40 x 40 centimeters. This is a quantitative research that will measure the place of egg tray paper in reducing noise, using a Sound Level Meter. The use of the egg tray paper is able to show an adequate acoustic quality as noise absorbers, with the average value of NR 22-26 dB.

This paper defines the efficiency similarity of different motor driving devices. Based on the efficiency function characteristics which can be approximately considered a concave, non-negative function through the origin, we present a kind of optimal control method for a felt driven by three different motors in paper machine. It gives the minimum total power consumption. The optimal control method is to keep the same torque rate for each motor driving device. This method is independent of the linearity or nonlinearity of the system and has no need for the system’s state equation or transfer function. Since the shapes of efficiency functions in nature are similar, the conclusion can also be applied to the energy optimization of other general devices.

This paper mainly discuss the effect of beating on OCC pulp fiber morphology and paper physical Strength. After the treatment with PFI, the beating degree were ranged from 25 ° SR rises from 56 °SR, the fiber morphologies were greatly changed, and appeared splitting and brooming. Physical results showed that beating can improve strength properties of OCC pulp in the proper degree, 46°SR was the best result in this study.

Noise pollution is a workplace hazard which causes loss of hearing, depending on the sound pressure level and duration of exposure. Because duration of exposure is usually uncontrollable, sound absorbers are used to reduce the value of sound pressure level. A common method to reduce noise is to use porous sound absorbers made out of mineral wools or glass fibres. However, these materials pose health risks and are non-recyclable. This project aimed to fabricate a sound absorber using recycled paper which is in the form of egg cartons as an alternative to the abovementioned fibres. Paper fibres posses high fibre porosity and can be manufactured in a manner which the properties can be easily controlled, making them ideal to be made into sound absorbers. Furthermore, they are biodegradable, do not pose health risks and can be manufactured into different shapes easily. Recycled paper was first turned into pulp, blended and poured into moulds. Different amounts of pulp was compressed until the sample size was approximately 20 mm thick and then dried in a furnace dryer at 600C for 12 hours. The samples were tested using a two-microphone, transfer function impedance tubes according to the ISO 10534-2 standard. Its porosity was determined using a modified wash basin method. The results indicate that the optimum panel has an average noise reduction coefficient, (NRC) of 0.50, which qualifies it to be used as a sound absorbing material. It also encounters its maximum value of 0.98 which occurred at the 1575-1675 Hz range. When compared to other materials, recycled paper has similar properties as coir fibre and is quite comparable to other commercial sound absorbers at the same thickness.

The feasibility of pulp and paper mill wastewater sludge as substrates for biogas production was evaluated in labrotory scale. Also the influence of pre-acidification, feeding modes and sludge concentration on anaerobic digestion system were studied.

In order to satisfy the strong demands of learning paper-cut from the public and paper-cut lovers and the needs of art education and training to practical ability for children and teenagers.Taking full use of the advantages and features of 2D interactive animation, we designed and implemented a virtual interactive system based on the classification of paper-cutting technique. Learners without paper-cutting experience can master the basic techniques of paper-cutting, and appreciate the integrity of the production process of paper-cutting through this system, which will promote the inheritance and development of folk paper-cut product techniques.