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Filipino Christmas tradition in Hawaii: Buying and making parol star lanterns hawaiinewsnow.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from hawaiinewsnow.com Daily Mail and Mail on Sunday newspapers.
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Air traffic is running much more smoothly this year, with far fewer canceled or delayed flights than in the first half of last year. The number of damage claims related to flight cancelations and delays dropped by nearly half, BNR reports after speaking to claim companies Vlucht-vertraagd.nl, EUclaim, and Aviclaim. ....
Lignin is a promising alternative to traditional fossil resources for producing biofuels due to its aromaticity and renewability. Pyrolysis is an efficient technology to convert lignin to valuable chemicals, which is beneficial for improving lignin valorization. In this review, pyrolytic behaviors of various lignin were included, as well as the pyrolytic mechanism consisting of initial, primary, and charring stages were also introduced. Several parallel reactions, such as demethoxylation, demethylation, decarboxylation, and decarbonylation of lignin side chains to form light gases, major lignin structure decomposition to generate phenolic compounds, and polymerization of active lignin intermediates to yield char, can be observed through the whole pyrolysis process. Several parameters, such as pyrolytic temperature, time, lignin type, and functional groups (hydroxyl, methoxy), were also investigated to figure out their effects on lignin pyrolysis. On the other hand, zeolite-driven ligni ....