Papers by Keyword: BMA

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Authors: Lei Chen, Yu Fei Tang, Xu Liu, Kang Zhao
Abstract: PMMA-BMA oil absorption resin was prepared by dispersion polymerization. Oil absorption properties were adjusted by changing the monomer ratio, content of initiator and crosslinking agent. Absorption capacity of porous material, which PMMA-BMA oil absorption resin adhesive in the polyurethane surface, was also investigated. The experimental results show that the best oil absorption ratio of PMMA-BMA copolymer resin was obtained when the MMA/BMA mole ratio was1:1.5, and the initiator and crosslinking agent was 0.4% and 0.35% of the copolymer resin respectively. The porous material was fabricated using the porous polyurethane sponge dipped in the liquid copolymer resin. The porous material resin can be reused since its low oil retention rate, and it can be used as absorption container of oil vapor.
120
Authors: Bin Nie, Dan Liao, Jing Ding, Yao Dong He
Abstract: Many products and processes have multidimensional characteristics and criteria. As these responses involve common parameters and processes, the response data are correlated. The quality and reliability improvement of such products and processes will typically involve multiple-response optimizations to find optimal operating conditions. Many of the current multiple-response optimization approaches assume a single-response uncertainty in the response models, and the uncertainty in the parameter estimates of the models. In this paper, we consider a Bayesian Model Average (BMA) approach to the modeling and optimization of variability of the predictions and the uncertainty of the model parameters. We further propose a Mahalanobis distance (MD) approach to account for the correlations among the response and the variation in the estimation of the response model.
321
Authors: Mei Tao, Jin Tao Niu, Bao Dan Jin
Abstract: Experiment uses the Suspension Polymerization, under the dual oxidation-reduction system of H2O2-xanthate and H2O2-FeSO4 initiating, the lipophilic- monomer of BMA is grafted on the frame of cotton fiber which prepares oil-absorbent fiber. It has studied the adsorption kinetics, adsorption transfer and isothermal absorption model of the oil-absorbent fiber for the oily wastewater under 25°C. The result shows that the adsorption kinetics of the oil-absorbent fiber for the oily wastewater accords with pseudo second order kinetic model, it could get that the initial swelling rate is increase with stirring speed increasing from fitting. Particles internal diffusion model analyzing shows that the diffusion rate of external diffusion and particles internal diffusion are similar, increasing the stirring speed could increase the internal diffusion rate and external diffusion rate. Increasing the stirring speed could increase capacity mass transfer rate and it benefits to absorb. The absorbing of oil-absorbent fiber for oily wastewater accords with Langmuir and Freundlich isothermal absorption model.
2860
Authors: Toshiro Kuji, Hiroaki Nakano, Tatsuhiko Aizawa
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