azeotropic distillation 中文意思是什麼

azeotropic distillation 解釋
共沸精鎦
  • azeotropic : 共沸的, 恆沸點的
  • distillation : n. 1. 蒸餾（作用）；蒸餾法。2. 蒸餾液；蒸餾物。3. 精華，精萃。
  1. Azeotropic distillation stage and dehydration with alcohols can prepare nanocry stalline powders with extremely small crystallite size ( 40nm )

    共沸蒸餾乾燥法和無水乙醇置換乾燥法均能制備50nmal _ 2o _ 3粉體。
  2. Azeotropic distillation column condenser

    共沸蒸餾塔冷凝器
  3. Azeotropic distillation column reboiler

    共沸蒸餾塔再沸器
  4. A process of salt extraction with azeotropic distillation for extractlower water ethanol from fusel oil

    雜醇油加鹽萃取精餾提取低水乙醇的研究
  5. A new process of extraction distillation with salt was developed for the triple azeotropic system of methyl acetate - ethanol - water and the selective method of the solvent and salt were studied

    本文針對乙酸甲酯?乙醇?水三元共沸體系，提出了加鹽萃取精餾的工藝過程，並對鹽的選擇和萃取劑的選擇方法進行了研究。
  6. The azeotropic distillation of the system acetic acid - water - azeotropic agent ( isopropyl acetate and butyl acetate ) is simulated. due to the non - ideal behavior, nrtl - hoc and uniquac - hoc model is used to depict vapor - liquid phase equilibrium behavior of this system. concerning the liquid in the decanter, the stability is checked by tangent plane stability analysis, and the initialization of phase splitting calculation is produced. a good estimate of the phase fration is gotten by successive substitution with newton ' s method, and every component of two phase is gotten by mass equilibrium equation. finally, the solution of this equation is produced with successive substitution calcultion. the naphtali - sandholm method is used to simulation of azeotropic distillation. by virtue of this combined calculation method, the simulation is begun with operational data as basical data. the results of simulation accord with the operating data, which proved that the combined calculation method is credible

    該體系具有高度非理想性，氣液相平衡模型採用nrtl - hoc和uniquac - hoc模型，採用切平面判據法對進入分層器中的液相進行液相穩定性測試，提供液液相分離計算的初值，再結合牛頓拉夫森迭代法運算求得相分割系數，根據物料衡算求出各相組成，循環迭代可求得分層各組分數據，共沸精餾模擬計算採用那夫塔列-山德荷姆全變量迭代演算法。
  7. Basing on the practical experience and processing principle, the optimization of producing process, in which the butyl alcohol is abstracted from the water phase by the azeotropic distillation of the partly and mutually dissolved, is studied in this paper by utilizing the properties of the azeotropic distillation of the partly and mutually dissolved system of butyl alcohol and water, from the some questions such as rearranging of the equipments, dissolving with sodium hydroxide, treating of the wasted water, separating water and so on

    摘要結合實踐經驗和工藝原理，利用丁醇和水組成的部分互溶系統的共沸特性，對從青霉素類結晶母液中提純丁醇的生產工藝進行了分析研究，從設備布局、堿洗、廢液處理和分水滯后等方面進行了優化處理。
  8. Progress on the studies of heterogeneous batch azeotropic distillation

    非均相間歇共沸精餾研究進展
  9. Surface active agents and soaps. determination of water content. azeotropic distillation method

    表面活性劑和肥皂.水分含量的測定.共沸蒸鎦法
  10. Methods of test for petroleum and its products - bitumen and bituminous binders - determination of water content in bitumen emulsions - azeotropic distillation method

    石油及石油產品的試驗方法.瀝青和瀝青粘合劑.瀝青乳液中的水含量的測定.恆沸點蒸餾分析法
  11. The optimum technic conditions have been gotten in in preparaing high dispersive a1 ( oh ) 3 colloid by controlling reactant concentration, ph value, reaction temperature, matured time. they are the prereguisite to prepare nanopoder of a - a1203. this paper entirely and systematically studies the following three kinds of drying stages : oven drying, dehydration with alcohols and azeotropic distillation stage

    本文採用逐步逼近法進行了氫氧化鋁膠體的沉降實驗，對膠體形成的體系反應物的初始濃度、體系的ph值、反應溫度和膠體的陳化時間進行了系統優化，並獲得了制備高分散氫氧化鋁膠體的最佳工藝參數；此膠體經過過濾、 80下烘乾后所得樣品，在掃描電鏡下直接觀察其粒徑為50nm ，且分佈范圍窄，顆粒的表面清潔，為球形。
  12. The results show that all of them have little different effect on the crystalline size of ultrafine powder of a - ahc ^, but they have greatly different effect on the secondary partical size. the azeotropic distillation is the most effective processing, it can prevent the formation of hard agglomerates and improve the sinter - ability of powder. the mechanism of drying stages preventing the formation of hard agglomerates has investigated

    研究了三種不同的乾燥方法（直接乾燥法、酒精置換乾燥法和共沸蒸餾乾燥法）對粉體性能的影響。實驗表明三種乾燥方法對- al _ 2o _ 3粉體的一次粒徑的差別性影響不顯著，而對其二次粒徑的差別性影響則很顯著。
  13. The influence of packing height, ratio of water to entrainer and acetic acid initial concentration to separation effect of azeotropic distillation was studied in detail. simulation calculations of general distillation and azeotropic distillation were carried out. the influence of reflux ratio, theoretical plate, feed position, feed temperature and feed concentration to distillation process were discussed

    （ 3 ）與普通精餾比較，分離要求相同時，共沸精餾時所需要的理論板數要低於普通精餾所需要的理論板數，迴流比減小，可降低設備投資70萬元，塔釜加熱量減少36 % 。
  14. 6 c is contrast to the literature data. the lle data of the system measured at 40 c, which is correlated in virtue of nrtl or uniquac equation. the correlated parameters are used to the simulation of azeotropic distillation process. in addition, the vle data of the system acetic acid - water - n - butyl acetate at 1 atm from literature are correlated by virtue of nrtl - hoc and uniquac - hoc model, and the parameters are also used to azeotropic distillation simulation. by tint of a kind of computer language matlab, the binary parameters is correlated, stability of original liquid is checked, liquid - phase splitting calculation and simulation of heterogeneous azeotropic distillation are performed

    自製了液液平衡釜，實驗測得24 . 6時乙酸-水-乙酸異丙酯液液相平衡數據與文獻數據吻合，驗證了平衡釜的可靠性，測定了40時此體系的液液相平衡數據，對40實驗數據進行了uniquac方程和nrtl方程參數的擬合；利用uniquac - hoc模型和nrtl - hoc模型，對乙酸-水-乙酸丁酯體系三元相平衡體系相平衡數據的進行擬合，得到水-乙酸丁酯間uniquac方程和nrtl方程的二元交互作用參數。
  15. Process research on separating aqueous isopropanol with batch azeotropic distillation

    間歇恆沸精餾法分離異丙醇水溶液的過程研究
  16. Surface active agents and soaps - determination of water content - azeotropic distillation method

    表面活性劑和肥皂含水量的測定共沸蒸餾法
  17. Preparation of fe3 - doped tio2 nanopowders by the coprecipitation - azeotropic distillation method and its photocatalytic properties

    2納米粉體及其光催化性能
  18. This paper introduces several separation technologies for alcohol - water system, which include not only traditional azeotropic distillation and extraction distillation, but also new membrane separation techniques, such as membrane distillation, pervaporation and membrane contactor

    摘要主要介紹了醇水體系分離的幾種工藝和新方法，其中包括傳統的恆沸精餾和萃取精餾等主流工藝，以及膜蒸餾、滲透汽化和膜接觸器等新型膜分離技術。
  19. Bitumen and bituminous binders - determination of water content in bitumen emulsions - azeotropic distillation method

    瀝青和硬瀝青粘合劑.乳化瀝青中水含量的測定.共沸蒸餾法
  20. Bitumen and bituminous binders - determination of water content in bitumen emulsions - azeotropic distillation method ; german version en 1428 : 1999

    瀝青和瀝青粘合劑.瀝青乳液中水含量的測定.共沸蒸餾
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