The application of X zeolite in the areas for producing para-xylene by adsorptive separation, N_2/O_2 separation,etc., was reviewed, and the framework SiO_2/Al_2 O_3 molar ratio, the cations and the water content of X...The application of X zeolite in the areas for producing para-xylene by adsorptive separation, N_2/O_2 separation,etc., was reviewed, and the framework SiO_2/Al_2 O_3 molar ratio, the cations and the water content of X zeolite significantly affected its selectivity and capacity. As the active component of para-xylene adsorbent, the X zeolite with a framework SiO_2/Al_2 O_3 molar ratio of 2.2—2.4 coupled with cations of Ba^(2+) and K^+, as well as a water content of 4.0%—5.0% exhibited higher para-xylene selectivity. For N_2/O_2 separation, higher N_2 capacity and N_2/O_2 separation factor were achieved when the X zeolite had a framework SiO_2/Al_2 O_3 molar ratio of 2.0 coupled with Li^+ cations. The introduction of another cation in X zeolite could further increase the N_2/O_2 separation factor, while the adsorption of water, however, could lead to a remarkable decrease of N_2 capacity. Besides, the X zeolite could be used in adsorptive separation of highly pure He and selective adsorption of CO_2, CO, CH_4, N_2, Ar,and H_2.展开更多
With the improvement of economy and living quality,station buildings of high speed railway are no longer just a space to filfill the transport finction.As a business card of cities,station buildings of high speed rail...With the improvement of economy and living quality,station buildings of high speed railway are no longer just a space to filfill the transport finction.As a business card of cities,station buildings of high speed railway prefer unique interior design,so the industrial style design featuring simplicity and variety gradually becomes a design trend.Taking the interior design of Changgebei Railway Station and Fangcheng Railway Station as an example,the paper analyzes the application of the industrial style design to high speed railway station buildings in three aspects:project overview,interior design and key issues of construction,and then reflects on and sums up the advantages and disadvantages of the design and construction.The two station buildings,among a very small quantity of station buildings nationwide where the industrial style design is adopted,provide experience and lessons while exploring a new direction for fiuture interior design of station buildings of high speed railway.展开更多
文摘The application of X zeolite in the areas for producing para-xylene by adsorptive separation, N_2/O_2 separation,etc., was reviewed, and the framework SiO_2/Al_2 O_3 molar ratio, the cations and the water content of X zeolite significantly affected its selectivity and capacity. As the active component of para-xylene adsorbent, the X zeolite with a framework SiO_2/Al_2 O_3 molar ratio of 2.2—2.4 coupled with cations of Ba^(2+) and K^+, as well as a water content of 4.0%—5.0% exhibited higher para-xylene selectivity. For N_2/O_2 separation, higher N_2 capacity and N_2/O_2 separation factor were achieved when the X zeolite had a framework SiO_2/Al_2 O_3 molar ratio of 2.0 coupled with Li^+ cations. The introduction of another cation in X zeolite could further increase the N_2/O_2 separation factor, while the adsorption of water, however, could lead to a remarkable decrease of N_2 capacity. Besides, the X zeolite could be used in adsorptive separation of highly pure He and selective adsorption of CO_2, CO, CH_4, N_2, Ar,and H_2.
文摘With the improvement of economy and living quality,station buildings of high speed railway are no longer just a space to filfill the transport finction.As a business card of cities,station buildings of high speed railway prefer unique interior design,so the industrial style design featuring simplicity and variety gradually becomes a design trend.Taking the interior design of Changgebei Railway Station and Fangcheng Railway Station as an example,the paper analyzes the application of the industrial style design to high speed railway station buildings in three aspects:project overview,interior design and key issues of construction,and then reflects on and sums up the advantages and disadvantages of the design and construction.The two station buildings,among a very small quantity of station buildings nationwide where the industrial style design is adopted,provide experience and lessons while exploring a new direction for fiuture interior design of station buildings of high speed railway.
