Pyrolysis of waste polystyrene to generate fuel was carried out to yield pyrolysis oil. For the first time, NiO deposited over ZrO2 carrier as catalyst, was deployed and evaluated in the catalytic pyrolysis. Catalysts based on different loading (2, 5, 10, and 15%) of NiO deposited over ZrO2 carrier were prepared by solution combustion synthesis and tested toward screening of catalytic pyrolysis of PS in semi batch reactor. Based on conversion, yield of oil and low styrene monomer content, the catalytic performance with different loadings was evaluated and optimized. Furthermore, the oil obtained from the best catalysts were analyzed using GC–MS for carbon number distribution, depolymerization reactions, and diesel fuel generation. These catalysts were also characterized using X‐ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), pyridine FTIR, and scanning electron microscopy (SEM) techniques. As compared to thermal pyrolysis, the catalytic pyrolysis process was found to be highly selective toward diesel like fuel generation with minimum styrene monomer formation. Also, 2 and 10% NiO catalyst showed the best catalytic performance in pyrolysis process that could be ascribed to the presence of Lewis and Brönsted acid sites resulting in selectivity for C16 carbon number, diesel fuel generation, and depolymerization reactions.
Despite the huge growth potential that has been predicted for purchase intention toward paid apps and the mobile game market, little is known about what motivates game players to make such purchases. The purpose of this article is to build a research model based on the satisfaction literature and studies of value theory to identify the antecedents of paid app purchase intention in the context of mobile games. The proposed model was empirically tested and uses data from 310 players of different games groups. Multiple regression, Process Macro, and moderation regression were used to measure the research model. The results tell that satisfaction to the mobile game has a significant influence on a player's intention to make paid app purchase. The perceived values of the game have a direct influence on the satisfaction of all players but appear to have relatively moderation impact of price have significant negative impact on the purchase intentions of players. Specifically, our study revealed a high price decrease the purchase intention of a satisfied player.
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