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jffree鐵桿木蟲(chóng) (著名寫(xiě)手)
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[求助]
求助翻譯 重金 謝謝
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The development of the dehydrogenation of propane to propylene,including catalytic dehydrogenation,oxidative dehydrogenation and dehydrogenation in the membrane reactor is summarized and analyzed. Although,catalytic dehydrogenation of propane has been commercialized,the performance of catalysts needs to be further improved. The developmen t of low temperature and high selectivity catalysts is the key issue for propane oxidative dehydrogenation. Compared with the traditional dehydrogenation ,the membrane reactor has its advantages in propane dehydrogenation. It can overcome the restriction of thermodynamic equilibrium and shift the reaction to the dehydrogenation direction. So ,in the membrane reactor ,the conversion of propane and the yield of propylene are very high. If the activity and stability of catalysts for propane dehydrogenation and the hydrogen perm-selectivity of the membrane reactor can be further improved ,the membrane reactor is a promising me thod for the dehydrogenation of propane. |

銀蟲(chóng) (初入文壇)
鐵桿木蟲(chóng) (著名寫(xiě)手)

版主 (文壇精英)
| 丙烷脫氫制造丙烯的發(fā)展,包括催化脫氫、氧化脫氫和膜反應(yīng)器中丙烷脫氫的發(fā)展進(jìn)行了總結(jié)和分析。盡管丙烷催化脫氫已經(jīng)達(dá)到經(jīng)濟(jì)有效,所需丙烷催化劑的性能還有待進(jìn)一步提高。能夠低溫條件催化和高選擇性的催化劑開(kāi)發(fā)是丙烷氧化脫氫的關(guān)鍵性技術(shù)。與傳統(tǒng)的脫氫相比,膜反應(yīng)器脫氫具有其自身的優(yōu)點(diǎn)。膜反應(yīng)器中丙烷脫氫可以克服熱力學(xué)平衡的限制,并且可以使反應(yīng)向脫氫方向進(jìn)行。因此,膜反應(yīng)器中丙烷脫氫時(shí)丙烷的轉(zhuǎn)化率和丙烯的產(chǎn)率是非常高的。如果用于丙烷脫氫的催化劑活性和穩(wěn)定性及膜反應(yīng)器中的氫氣選擇性滲透進(jìn)一步改善,膜反應(yīng)器脫氫是一個(gè)極有前途的丙烷脫氫方法。 |

金蟲(chóng) (正式寫(xiě)手)
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丙烷脫氫的丙烯的發(fā)展,包括催化 在膜反應(yīng)器脫氫、氧化脫氫和脫氫是總結(jié) 和分析。雖然,丙烷催化脫氫已經(jīng)商業(yè)化,的性能 催化劑需要進(jìn)一步改善。在開(kāi)發(fā)低溫和高選擇性催化劑 丙烷氧化脫氫的關(guān)鍵問(wèn)題。與傳統(tǒng)的脫氫相比, 膜反應(yīng)器在丙烷脫氫有其優(yōu)勢(shì)。它可以克服的限制 熱力學(xué)平衡和對(duì)脫氫反應(yīng)的方向轉(zhuǎn)變。因此,在膜 反應(yīng)堆的轉(zhuǎn)換丙烷和丙烯的產(chǎn)量非常高。如果的活性和穩(wěn)定性 丙烷脫氫催化劑的氫perm-selectivity膜反應(yīng)器 進(jìn)一步提高,膜反應(yīng)器是一種很有前途的方法對(duì)丙烷脫氫。 |

銀蟲(chóng) (初入文壇)
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不好意思,上次弄錯(cuò)了 介紹了丙烷催化轉(zhuǎn)化制丙烯的研究狀況,綜述了丙烷催化脫氫制丙烯的鉻系催化劑、鉑系催化劑及其助 劑Sn的研究進(jìn)展;評(píng)述了丙烷氧化脫氫反應(yīng)機(jī)理低溫和高選擇性的催化劑及膜反應(yīng)器在丙烷脫氫反應(yīng)上所具有 的優(yōu)越性,認(rèn)為研發(fā)具有高穩(wěn)定性和高透氫性能的氫分離膜,將有望能大幅度提高丙烯的收率。 |
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