大肉大捧一进一出,无限资源在线观看片中文在线,在电影院里拨开内裤挺进,校花的凌羞辱日记高h女女

你好,歡迎訪問濟(jì)南金昊化工有限公司!

專注品質(zhì),信賴服務(wù)

我們用心做產(chǎn)品服務(wù)

咨詢熱線:

13655318786

公司新聞

您現(xiàn)在的位置: 網(wǎng)站首頁(yè)>>新聞中心>>公司新聞了解一下順酐法BDO工藝

了解一下順酐法BDO工藝

來源:http://m.i6sf.com/ 日期:2023-05-20 發(fā)布人: 瀏覽次數(shù):0
順酐法BDO,顧名思義是以順酐為原料制備BDO的工藝,其原料順酐可由苯或者丁烷氧化制成。根據(jù)順酐加氫時(shí)的步驟不同可分為直接加氫法與間接加氫法,間接加氫法中根據(jù)加氫時(shí)的物料形態(tài)又可分為氣相加氫法與液相加氫法。下面順酐廠家來講講更多事項(xiàng):
The maleic anhydride method BDO, as the name suggests, is a process of preparing BDO from maleic anhydride, which can be made by oxidation of benzene or butane. According to the different steps during the hydrogenation of maleic anhydride, it can be divided into direct hydrogenation method and indirect hydrogenation method. In indirect hydrogenation method, it can be further divided into gas phase hydrogenation method and liquid phase hydrogenation method based on the material morphology during hydrogenation. Let's talk more about maleic anhydride manufacturers:
直接加氫與間接加氫
Direct hydrogenation and indirect hydrogenation
直接加氫法
Direct hydrogenation method
該工藝能夠同時(shí)不同比例的THF(四氫呋喃)、GBL(y-丁內(nèi)酯)和BDO等系列產(chǎn)品,反應(yīng)條件不同,其產(chǎn)品的相應(yīng)組成也是不同的。
This process can simultaneously produce a series of products such as THF (tetrahydrofuran), GBL (y-butyrolactone), and BDO in different proportions. The corresponding composition of the products varies depending on the reaction conditions.
酯化加氫法
Esterification hydrogenation method
間接酯化加氫工藝早是由英國(guó)Davy公司開發(fā)成功的,因此又叫Davy法。加氫反應(yīng)可以在氣相或者是液相中進(jìn)行,采用了銅系催化劑,主體反應(yīng)的條件要比順酐直接加氫工藝溫和很多。
The indirect esterification hydrogenation process was developed by Davy Company in the UK, hence it is also known as the Davy method. The hydrogenation reaction can be carried out in either the gas phase or the liquid phase, using copper based catalysts. The main reaction conditions are much milder than the direct hydrogenation process of maleic anhydride.
由于順酐加氫是強(qiáng)放熱反應(yīng),直接加氫反應(yīng)條件苛刻,控制難度高,目前還沒有工業(yè)化運(yùn)行裝置,在運(yùn)裝置均采用的是間接法。
As maleic anhydride hydrogenation is a strong exothermic reaction, the direct hydrogenation reaction conditions are harsh, and the control is difficult. At present, there is no industrial operation device, and the devices in operation are all indirect methods.
順酐廠家
氣相加氫與液相加氫
Gas phase hydrogenation and liquid phase hydrogenation
兩者化學(xué)反應(yīng)方程式是一致的,區(qū)別在于加氫單元馬來酸二甲酯是在氣相還是在液相條件下反應(yīng)。
The chemical reaction equations between the two are consistent, with the difference being whether the hydrogenation unit dimethyl maleate reacts in the gas or liquid phase conditions.
消耗與排放
Consumption and emissions
正丁烷順酐法制BDO工藝路線,噸BDO的主要消耗大致為正丁烷1.15t、氫氣1200m3。該法的主要原料為正丁烷和氫氣,BDO的成本較高。
The main consumption for producing ton of BDO through the process of n-butane maleic anhydride method is approximately 1.15 tons of n-butane and 1200 m3 of hydrogen gas. The main raw materials for this method are n-butane and hydrogen, and the production cost of BDO is relatively high.
工藝路線優(yōu)勢(shì)
Advantages of process route
順酐法制BDO的原料之一正丁烷,其主要來源一是大型煉化裝置石油裂解的C4餾分分離得到的副產(chǎn)品;二是油田氣和濕天然氣、LPG(液化石油氣)的進(jìn)口商,國(guó)內(nèi)順酐法制BDO企業(yè)主要分布的沿海地區(qū),可以依托石油煉化企業(yè)或港口獲得原料正丁烷。
One of the raw materials for the maleic anhydride method of BDO is n-butane, which mainly comes from the by-product obtained from the C4 fraction separation of petroleum cracking in large refining and chemical plants; The second is the importer of oilfield gas, wet natural gas, and LPG (liquefied petroleum gas). Domestic BDO enterprises using maleic anhydride method are mainly distributed in coastal areas, and can rely on petroleum refining enterprises or ports to obtain raw material n-butane.
總之,正丁烷順酐法制BDO工藝路線成本優(yōu)勢(shì)明顯,技術(shù)成熟、排污量少,具有較大的發(fā)展?jié)摿?。您還有什么疑惑或者需求就來我們網(wǎng)站http://m.i6sf.com咨詢吧!
In short, the cost advantage of the BDO process route using n-butane maleic anhydride is obvious, the technology is mature, and the pollution discharge is low, which has great development potential. If you have any doubts or needs, please come to our website http://m.i6sf.com Consult!

相關(guān)新聞
88国产精品视频一区二区三区| 9孩岁女被a片免费观看| 无码人妻精品一区二区三区蜜臀| 亚洲在线视频| 亚洲av午夜福利精品香蕉麻豆| 双腿吊起揉捏花蒂调教h| 欧美酷刑sm在线播放| 男同桌上课用手指进去了好爽| 精品久久久久成人码免费动漫| 日韩人妻一区二区三区蜜桃视频| 精品欧美一区二区三区成人片在线| 2023国产麻豆剧传媒鱿鱼游戏| 女人和拘做受全程看视频| 亚洲乱码国产乱码精品精大量| sm脚奴调教丨踩踏贱奴| 日韩夜夜高潮夜夜爽无码| 裸身美女无遮挡永久免费视频| 辽宁少妇高潮45分钟| 日韩久久无码免费毛片软件| 与上司出轨的人妻| 又圆又大的奶越摸越大| 亚洲av无码国产精品永久一区| 日本欧美大码一区二区免费看| 风韵少妇性饥渴推油按摩视频| 亚洲精品乱码久久久久久蜜桃不卡| 日本真人做爰免费视频120秒| 国产精品99久久免费观看| 无码精品人妻一区二区三区影院| 国产精品久久久久精品艾秋| 女人与拘做受全过程免费视频| 清冷校草受灌满哭求饶bl| 偷玩朋友熟睡人妻| 免费国偷自产拍精品视频| 大内密探之零零性性| 国产老师色诱我好爽在线观看| 白丝jk校花娇喘求饶白浆露出| 久久免费看少妇高潮v片特黄| 玉蒲团夜宵魂免费观看| 成熟yin荡美妞a片视频麻豆| 亚洲精品一区三区三区在线观看| 精品乱子伦一区二区三区|