Words and Expressions 12、thermochemical a.热化学的 13、interrelate v.相互有关，（使）互相联系 All things are interrelated and interact on each other. 一切事物互相联系并互相作用。 14、constituent a.构成的，组成的n.成分，要素 cell constituent细胞成分 combustible constituent可燃组分 15 simplify v.To make simple or simpler,as 简化，使单纯
12、thermochemical a. 热化学的 13、interrelate v. 相互有关, (使)互相联系 All things are interrelated and interact on each other. 一切事物互相联系并互相作用。 14、constituent a. 构成的, 组成的 n. 成分, 要素 cell constituent 细胞成分 combustible constituent 可燃组分 15、simplify v. To make simple or simpler, as 简化, 使单纯 Words and Expressions
Unit 15 Chemical Reaction Engineering Every industrial chemical process is designed to produce economically a desired product from a variety of starting materials through a succession of treatment steps
Every industrial chemical process is designed to produce economically a desired product from a variety of starting materials through a succession of treatment steps. Unit 15 Chemical Reaction Engineering
industrial chemical process 98.3% mineral combustor Contact chamber Reaction chamber Sulfuric acid production flow chart
Sulfuric acid production flow chart combustor Contact chamber Reaction chamber mineral industrial chemical process
Unit 15 Chemical Reaction Engineering Fig.3.I shows a typical situation.The raw materials undergo a number of physical treatment steps to put them in the form in which they can be reacted chemically.They then pass through the reactor.The products of the reaction must then undergo further physical treatment-separations,purifications. etc.-for the final desired product to be obtained Physical Chemical Physical Raw treatment Treatment treatment products materials steps steps steps Recycle Fig.3.1 Typical chemical process
Fig.3.l shows a typical situation. The raw materials undergo a number of physical treatment steps to put them in the form in which they can be reacted chemically. They then pass through the reactor. The products of the reaction must then undergo further physical treatment-separations, purifications, etc. -for the final desired product to be obtained. Physical treatment steps Chemical Treatment steps Physical treatment steps Raw materials products Recycle Fig.3.l Typical chemical process Unit 15 Chemical Reaction Engineering
Unit 15 Chemical Reaction Engineering Design of equipment for the physical treatment steps is studied in the unit operations.Here we are concerned with the chemical treatment steps vt.探讨，研究 of a process
Design of equipment for the physical treatment steps is studied in the unit operations. Here we are concerned with the chemical treatment steps vt. 探讨，研究 of a process. Unit 15 Chemical Reaction Engineering