摘要:
The present application is directed to a method and system for preparing gaseous utility streams from gaseous process streams, particularly, removing oil contamination from such streams prior to use in a dry gas seal. The methods and systems may include at least one kinetic swing adsorption process including pressure swing adsorption, temperature swing adsorption, calcination, and inert purge processes to treat gaseous streams for use in dry gas seals of rotating equipment such as compressors, turbines and pumps and other utilities. The adsorbent materials used include a high surface area solid structured microporous and mesoporous materials.
摘要:
The present invention provides an improved method for manufacturing high quality porous crystalline MCM-56 material. It also relates to the MCM-56 material manufactured by the improved method, catalyst compositions comprising same and use thereof in a process for catalytic conversion of hydrocarbon compounds. One such conversion process involves production of monoalkylated aromatic compounds, particularly ethylbenzene and cumene, by the liquid or partial liquid phase alkylation of alkylatable aromatic compound, particularly benzene.
摘要:
An arrangement for induction hardening a part including a pair of separate inductors electrically isolated from each other and configured to substantially surround a part when brought into close juxtaposition with each other. The inductor sections are powered by respective secondary inductor loops brought into close juxtaposition with a primary inductor loop connected to an ac power source which induces an ac current in each inductor section.
摘要:
This disclosure relates to an EMM-12 molecular sieve having, in its as-synthesized form and in calcined form, an X-ray diffraction pattern including peaks having a d-spacing maximum in the range of 14.17 to 12.57 Angstroms, a d-spacing maximum in the range of 12.1 to 12.56 Angstroms, and non-discrete scattering between about 8.85 to 11.05 Angstroms or exhibit a valley in between the peaks having a d-spacing maximum in the range of 10.14 to 12.0 Angstroms and a d-spacing maximum in the range from 8.66 to 10.13 Angstroms with measured intensity corrected for background at the lowest point being not less than 50% of the point at the same XRD d-spacing on the line connecting maxima in the range of 10.14 to 12.0 Angstroms and in the range from 8.66 to 10.13 Angstroms.
摘要:
The crystalline molecular sieve material EMM-7 has, in its as-synthesized form, an X-ray diffraction pattern including d-spacing maxima substantially as set forth in Table 1: TABLE 1 Interplanar d-Spacing (Å)Relative Intensity, I/Io × 100 8.40 ± 0.2w-m 6.80 ± 0.2w-s 4.46 ± 0.1m-s 3.73 ± 0.1m-s 3.68 ± 0.1m-s 3.40 ± 0.1s-vs wherein “vs” means very strong (greater than 60 to 100), “s” means strong (greater than 40 to 60), “m” means medium (greater than 20 to 40) and “w” means weak (0 to 20).
摘要翻译:结晶分子筛材料EMM-7以其合成形式具有基本上如表1所示的包含d-间距最大值的X射线衍射图。表1平面间距(Å)相对强度I / Io×100 8.40±0.2 wm 6.80±0.2 ws 4.46±0.1 ms 3.73±0.1 ms 3.68±0.1 ms 3.40±0.1 s-vs其中“vs”表示非常强(大于60至100),“s”表示强( 大于40至60),“m”表示介质(大于20至40),“w”表示弱(0至20)。
摘要:
This invention relates to a crystalline molecular sieve having, in its as-synthesized form, an X-ray diffraction pattern including d-spacing maxima at 13.18±0.25 and 12.33±0.23 Angstroms, wherein the peak intensity of the d-spacing maximum at 13.18±0.25 Angstroms is at least as great as 90% of the peak intensity of the d-spacing maximum at 12.33±0.23 Angstroms. This invention also relates to a method of making thereof.
摘要:
This invention relates to a process for hydrocarbon conversion comprising contacting a hydrocarbon feedstock with a crystalline molecular sieve, in its ammonium exchanged form or in its calcined form, under conversion conditions to form a conversion product, said crystalline molecular sieve comprising unit cells with MWW topology and is characterized by diffraction streaking from the unit cell arrangement in the c direction as evidenced by the arced hk0 patterns of electron diffraction pattern.
摘要:
This disclosure relates to a process for manufacturing a mono-cycloalkyl-substituted aromatic compound, said process comprising contacting a feedstock comprising an aromatic compound and hydrogen under hydroalkylation reaction conditions with a catalyst system comprising a molecular sieve and at least one metal with hydrogenation activity, wherein said molecular sieve has, in its as-synthesized form and in calcined form, an X-ray diffraction pattern including peaks having a d-spacing maximum in the range of 14.17 to 12.57 Angstroms, a d-spacing maximum in the range of 12.1 to 12.56 Angstroms.
摘要:
A combination case includes the first and second cases combined together, each also usable as a stand-alone case. The first case includes the first inner storage space and the first wall structure configured to enclose the first inner storage in a closed position and expose the first inner storage in an open position. The first wall structure includes the first and second sidewalls facing each other in the closed position, at least one first opening formed via the first sidewall to expose the first inner storage space, and at least one second opening formed via the second sidewall to expose the first inner storage.