Lianyungang Petrochemical Base: 600,000 tons of styrene, 40,000 tons of 1-butene technical transformation and other projects to be approved or accepted

Recently, the Environmental Protection Bureau of Xuwei New Area of ​​Lianyungang has approved or accepted three projects respectively.
Among them, on January 21, Jiahua Chemical (Lianyungang) Co.
, Ltd.
The environmental impact assessment document of the 600,000-ton/year styrene project of Petrochemical Co.
, Ltd.
was approved.
On January 24, the environmental impact assessment document of the 1-butene separation and transformation project of the butadiene unit of Jiangsu Sierbang Petrochemical Co.
, Ltd.
was accepted
.

The following is the basic situation of the three projects:

Jiahua Chemical (Lianyungang) Co.
, Ltd.
annual output of 800,000 tons of ethyl (alk)oxylate project

The project covers an area of ​​471.
5 mu, with a total investment of 2,811.
31 million yuan.
It is planned to build an 800,000-ton/year ethylene (alk)oxylate project, including 320,000 tons/year of water reducing agent monomer and 35,000 tons/year of ethyl (propanol) alcohol.
Amine, 120,000 tons/year polyether polyol (PPG), 100,000 tons/year polymer polyol (POP), 20,000 tons/year combined polyether, 120,000 tons/year surfactant, 50,000 tons/year Annual phosphorus flame retardants, 20,000 tons/year modified epoxy resins, 15,000 tons/year light-curing materials and other series of products, simultaneously implement public and auxiliary facilities such as tank farms, water supply and drainage, emergency response, and fire protection
.

Lianyungang Petrochemical Co.
, Ltd.
600,000 tons/year styrene project

The project does not add new land
.
The project will construct a 600,000-ton/year styrene production unit and its supporting public works, auxiliary works, storage and transportation works, and environmental protection works
.
The total investment of the project is 1,751.
51 million yuan
.

1-Butene Separation and Reconstruction Project of Butadiene Plant of Jiangsu Sierbang Petrochemical Co.
, Ltd.

The estimated total investment of the Sierbang 1-butene unit technical transformation project is 71.
3227 million yuan
.
This technical transformation project does not change the main production process of the existing butadiene plant.
Relying on the existing engineering conditions of the butadiene plant, on the premise of retaining the original function of the butadiene plant, a 1-butene unit will be added after the MTBE unit.
, to separate the 1-butene component in C4 after ether
.

After the 1-butene project is completed, the load of the oxidative dehydrogenation and extraction units in the device will be reduced, and the production of butadiene, butane liquefied fuel and liquid fuel will be reduced
.
Due to the fine-tuning of the ratio of ethylene and propylene in the MTO unit, the content of isobutylene in the feedstock carbon 4 supplied to the butadiene unit has changed from 4.
4% to 6.
88%, so the output of MTBE in the MTBE unit has increased slightly
.

The production scale of this project is 120,000 tons/year of C4 after processing raw ether, and 39,060 tons/year of 1-butene products can be obtained
.
The main engineering and product plan of this technical renovation project and the change in the production capacity of the butadiene plant before and after the technical renovation are shown in the table below
.

Table Technical Transformation Project Product Scheme

Table Changes in the production capacity of the butadiene plant before and after the technical upgrading

From the analysis of economic benefits, the average annual operating income after the project is completed is 396.
0314 million yuan
.
The after-tax financial internal rate of return is 35.
20%, the financial net present value is 92.
2602 million yuan, and the after-tax investment payback period is 4.
18 years
.
Various economic indicators are better than the industry benchmark value, are economically feasible, and have better economic benefits and competitiveness
.