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There are different effects on the performance of paper by various drying methods, which determines whether the drying method is suitable to paper. In this thesis, the contrast test of drying rewetting paper was carried out by self-made electromagnetic dryer and electric dryer. The results have shown that there is no obvious effect on the whiteness and bursting strength of paper by electromagnetic...
In the process of impinging dryness, surface convective heat transfer coefficient is one of the most important parameters of effecting dryness effectiveness. It is usually confirmed by testing, this paper, for film drying craftwork under impingement jet, gives the computational method of surface convective heat transfer coefficient, and analyses the effect of the three factors, which are the difference...
The object of this study is to investigate the sintering processes of sewage sludge ceramic pellets (SSCP) as filter media. The effects of adding coal fly ash and farmland clay were tested, and the feasibility of using SSCPs in a biological aerated filter (BAF) was determined by comparing their performance with that of commercial ceramic pellets (CCP). Unlike the procedure to make lightweight sewage...
View of the current issues facing the global energy crisis, energy conservation has been widely attention. The energy consumption of air conditioning engineering are huge. Because the energy used for dehumidification in air conditioning energy consumed by an alarming proportion, so this paper analyzes the domestic and foreign research in recent years, several large and mature dehumidification mode,...
Japanese Sugi (Cryptomeria japonica D. Don) wood was dried by superheated steam under the temperature of 140, 160, 180 degree C and the relative humidity of 100% to make wood flooring. Moisture absorption and desorption characteristics and chemical composition of treated wood were analyzed to investigate the dimensional stability at saturated and dry ambient condition. The results showed that the...
Constructed rapid infiltration system ( CRI ) is simulated through two groups of 3 soil columns with the height of 30 cm, 55 cm and 80 cm respectively. After pretreatment, the mixed wastewater of regenerated-paper making is put into the six soil columns. There are 16 kinds of hydraulic loading cycles made of 4 kinds of flooding-drying ratios (1:6, 1:4, 1:2, 1:1) and 4 kinds of flooding time (4 h,...
The slow drying of the photoactive layer in polymer/ZnO nanorod hybrid solar cells is studied as a way to improve device performance. The power conversion efficiency can be further improved to 3.05% with an enhanced fill factor of 55% by slowing the spin coating rate of photoactive layer. With the slower spin coating rate, the films of photoactive layer are thicker, and the polymer chains have longer...
In order to improve the drying qualities of seaweed, a new drying technology with the high voltage electric field was put forward for seaweed in the paper. The kelp were dried under a direct current (DC) high voltage electric field (HVEF) using a multiple point electrode and a grounded rectangle stainless steel plate at 15degC. The results indicate that the high voltage electric field can improve...
Iron encapsulated carbon nanoparticle - polyvinyl chloride composite films have been prepared by solvent mixing and drying method. The films were characterized by scanning electron microscope (SEM) and high resolution transmission electron microscope (HRTEM). A 5 nm thin graphitic carbon coating is observed on cubic Fe nanoparticles. The microwave absorption studies by wave guide technique in the...
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