分析了氯丙烯回收系统改造前后的工艺情况.用英语怎么说？

分析了氯丙烯回收系统改造前后的工艺情况.

The process of recycle system of chloropropene around the innovation were analysed.

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

process

n. 过程，工序，做事方法，工艺流程；vt. 加工，处理，审阅，审核；vi. 列队行进；

例句
Once you have registered your particulars with an agency and it has banked your cheque, the process begins.
一旦在某个代理行登记了详细信息并由它将支票存入银行，这一程序就开始了。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

recycle

vt. 回收利用，使再循环；vi. 重复利用；

例句
The power of the Green movement in Germany has made that country a leader in the drive to recycle more waste materials.
德国环保运动的影响力使得该国率先发起了回收利用更多废品的运动。

system

n. 体系，系统，制度，身体，方法；

例句
The whole system should be abolished.
整个制度应该被废除。

chloropropene

n. 氯丙烯；

例句
The process of recycle system of chloropropene around the innovation were analysed.
分析了氯丙烯回收系统改造前后的工艺情况.

around

adv. 大约，旋转，到处，四处，在周围；prep. 围绕，在附近，前后，左右，在…周围；

例句
He has never put an arm around his wife to accommodate photographers...
他从未为了迎合摄影师而搂住妻子。

innovation

n. 改革，创新，新观念，新发明，新设施；

例句
To grow the business, he needs to develop management expertise and innovation across his team.
为了拓展业务，他需要提高整个团队的管理技能和创新能力。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

analysed

v. 分析，分解，解释( analyse的过去式和过去分词 )；

例句
They had their tablets analysed to find out whether they were getting the real drug or not.
他们将药片拿去化验以查明他们得到的是否是真药。