2024年4月21日发(作者：晋思莲)

……………………………………………………………最新资料推荐…………………………………………………

精对苯二甲酸(PTA)生产技术及工艺流程

摘 要

精对苯二甲酸（PTA） 英文名称：Pure terephthalic acid（PTA)分子

式C6H4（COOH）2 。 是以对二甲苯为原料，液相氧化生成粗对苯二甲酸，

再经加氢精制，结晶，分离，干燥，得到精对苯二甲酸。精对苯二甲酸为

白色针状结晶或粉末，约在 300℃升华，自燃点680℃。能溶于热乙醇，微溶

于水，不溶于乙醚、冰醋酸和氯仿。低毒，易燃。其粉尘与空气形成爆炸性混

合物，爆炸极限0.05g/L～12.5g/ L。

精对苯二甲酸是生产聚酯切片、长短涤纶纤维等化纤产品和其它重要化工

产品的原料。精对苯二甲酸（PTA）是重要的大宗有机原料之一，其主要用途是

生产聚酯纤维(涤纶)、聚酯薄膜和聚酯瓶，广泛用于与化学纤维、轻工、电子、

建筑等国民经济的各个方面，与人民生活水平的高低密切相关。

关键词：氧化反应 结晶 高压吸收 常压吸收 分离 干燥 溶剂及催化剂

回收 残渣蒸发 溶剂脱水 萃取 常压汽提系统 加氢反应 过滤

最新精品资料整理推荐，更新于二〇二一年一月二十三日2021年1月23日星期六17:08:08

……………………………………………………………最新资料推荐…………………………………………………

目 录

摘 要

··········································································································

I

前 言

······································································································

- 1 -

第一章精对苯二甲酸的工业概貌

································································

- 2 -

1.1 世界精对苯二甲酸工业概貌

··························································

- 2 -

1.2 我国精对苯二甲酸工业概貌

··························································

- 3 -

第二章 精对苯二甲酸的上下游产业链

······················································

- 5 -

2.1 精对苯二甲酸的上游产业

······························································

- 5 -

2.2 精对苯二甲酸的下游产业

······························································

- 5 -

第三章 精对苯二甲酸的性质及其主要用途

···············································

- 6 -

3.1 精对苯二甲酸的性质

····································································

- 6 -

3.1 精对苯二甲酸的主要用途

······························································

- 6 -

第四章 精对苯二甲酸的主要原料

·····························································

- 7 -

第五章 产品方案及规格

···········································································

- 8 -

5.1 产品方案

······················································································

- 8 -

5.2 主要产品规格

···············································································

- 8 -

第六章 精对苯二甲酸的生产工艺技术

······················································

- 9 -

6.1 国外工艺技术现状

········································································

- 9 -

6.2 国内的工艺技术选择

··································································

- 10 -

第七章 精对苯二甲酸的工艺流程及操作条件

·········································

- 11 -

7.1 反应历程简介

·············································································

- 11 -

7.1.1 对二甲苯氧化

···································································

- 11 -

7.1.2对苯二甲酸精制

·································································

- 12 -

7.2 工艺流程简述

·············································································

- 12 -

7.2.1 空气压缩机

·······································································

- 12 -

7.2.2 100 单元---母液储存罐

····················································

- 12 -

7.2.3 200 单元--氧化反应、结晶、高压吸收及常压吸收

。 ·········

- 13 -

7.2.4 300 单元－－分离、干燥

··················································

- 14 -

7.2.5 400 单元－－溶剂及催化剂回收、残渣蒸发、溶剂脱水、萃取、

常压汽提系统。

··········································································· - 14 -

7.2.6 500 单元—进料配制、反应进料预热、加氢反应、结晶

·····

- 16 -

7.2.7 600 单元—过滤、干燥

······················································

- 19 -

7.2.8 PTA 产品之储存装袋及出料

···············································

- 20 -

第八章 精对苯二甲酸生产的关键设备及其特点

······································

- 22 -

8.1 精对苯二甲酸氧化单元的关键设备——氧化反应器

······················

- 22 -

8.2 精对苯二甲酸精制单元的关键设备

··············································

- 22 -

最新精品资料整理推荐，更新于二〇二一年一月二十三日2021年1月23日星期六17:08:08

2024年4月21日发(作者：晋思莲)

……………………………………………………………最新资料推荐…………………………………………………

精对苯二甲酸(PTA)生产技术及工艺流程

摘 要

精对苯二甲酸（PTA） 英文名称：Pure terephthalic acid（PTA)分子

式C6H4（COOH）2 。 是以对二甲苯为原料，液相氧化生成粗对苯二甲酸，

再经加氢精制，结晶，分离，干燥，得到精对苯二甲酸。精对苯二甲酸为

白色针状结晶或粉末，约在 300℃升华，自燃点680℃。能溶于热乙醇，微溶

于水，不溶于乙醚、冰醋酸和氯仿。低毒，易燃。其粉尘与空气形成爆炸性混

合物，爆炸极限0.05g/L～12.5g/ L。

精对苯二甲酸是生产聚酯切片、长短涤纶纤维等化纤产品和其它重要化工

产品的原料。精对苯二甲酸（PTA）是重要的大宗有机原料之一，其主要用途是

生产聚酯纤维(涤纶)、聚酯薄膜和聚酯瓶，广泛用于与化学纤维、轻工、电子、

建筑等国民经济的各个方面，与人民生活水平的高低密切相关。

关键词：氧化反应 结晶 高压吸收 常压吸收 分离 干燥 溶剂及催化剂

回收 残渣蒸发 溶剂脱水 萃取 常压汽提系统 加氢反应 过滤

最新精品资料整理推荐，更新于二〇二一年一月二十三日2021年1月23日星期六17:08:08

……………………………………………………………最新资料推荐…………………………………………………

目 录

摘 要

··········································································································

I

前 言

······································································································

- 1 -

第一章精对苯二甲酸的工业概貌

································································

- 2 -

1.1 世界精对苯二甲酸工业概貌

··························································

- 2 -

1.2 我国精对苯二甲酸工业概貌

··························································

- 3 -

第二章 精对苯二甲酸的上下游产业链

······················································

- 5 -

2.1 精对苯二甲酸的上游产业

······························································

- 5 -

2.2 精对苯二甲酸的下游产业

······························································

- 5 -

第三章 精对苯二甲酸的性质及其主要用途

···············································

- 6 -

3.1 精对苯二甲酸的性质

····································································

- 6 -

3.1 精对苯二甲酸的主要用途

······························································

- 6 -

第四章 精对苯二甲酸的主要原料

·····························································

- 7 -

第五章 产品方案及规格

···········································································

- 8 -

5.1 产品方案

······················································································

- 8 -

5.2 主要产品规格

···············································································

- 8 -

第六章 精对苯二甲酸的生产工艺技术

······················································

- 9 -

6.1 国外工艺技术现状

········································································

- 9 -

6.2 国内的工艺技术选择

··································································

- 10 -

第七章 精对苯二甲酸的工艺流程及操作条件

·········································

- 11 -

7.1 反应历程简介

·············································································

- 11 -

7.1.1 对二甲苯氧化

···································································

- 11 -

7.1.2对苯二甲酸精制

·································································

- 12 -

7.2 工艺流程简述

·············································································

- 12 -

7.2.1 空气压缩机

·······································································

- 12 -

7.2.2 100 单元---母液储存罐

····················································

- 12 -

7.2.3 200 单元--氧化反应、结晶、高压吸收及常压吸收

。 ·········

- 13 -

7.2.4 300 单元－－分离、干燥

··················································

- 14 -

7.2.5 400 单元－－溶剂及催化剂回收、残渣蒸发、溶剂脱水、萃取、

常压汽提系统。

··········································································· - 14 -

7.2.6 500 单元—进料配制、反应进料预热、加氢反应、结晶

·····

- 16 -

7.2.7 600 单元—过滤、干燥

······················································

- 19 -

7.2.8 PTA 产品之储存装袋及出料

···············································

- 20 -

第八章 精对苯二甲酸生产的关键设备及其特点

······································

- 22 -

8.1 精对苯二甲酸氧化单元的关键设备——氧化反应器

······················

- 22 -

8.2 精对苯二甲酸精制单元的关键设备

··············································

- 22 -

最新精品资料整理推荐，更新于二〇二一年一月二十三日2021年1月23日星期六17:08:08