Comments On Recovery Standard Of Viscose Fiber Waste Gas Discharge

It is revealed that the Ministry of environmental protection is soliciting opinions on the standards of waste gas recycling in viscose fiber industry, and it is possible to introduce relevant standards in the future.

Once the standards are promulgated, the impact of the viscose fiber industry will not be smaller than that of the printing and dyeing industry after the introduction of printing and dyeing standards, and it may aggravate the industry shuffling.

　　 standard Consultation stage

"The possibility of the introduction of viscose fiber waste gas emission standards is increasing. Because the Ministry of environmental protection is facing great international and domestic pressure, the state's environmental protection and management work is becoming more and more stringent. People familiar with the matter said: "the Ministry of environmental protection has recently invited experts on waste gas recovery to study the related issues of viscose fiber emissions and discuss how the relevant standards will be revised in the future."

The person said that the viscose fiber industry currently has only one emission standard. If the new standards are promulgated, environmental protection thresholds will be enhanced from several aspects, such as drastically lowering the relevant index values of exhaust emissions and setting up rigid recycling targets for waste gas. Once the relevant standards are promulgated, the impact of standards on the viscose fiber industry will not be less than that of the printing and dyeing industry after the introduction of printing and dyeing effluent standards.

The discharge standard of pollutants for textile dyeing and finishing industry, implemented in January 1, 2013, has greatly increased the emission threshold of COD and other indicators (doubled direct emissions). China's printing and dyeing industry has greatly increased the cost of environmental protection in Zhejiang, Jiangsu and other places, and there has been a certain range of downtime.

　 Intensifying industry consolidation

If the state significantly lowered the relevant indicators of viscose fiber exhaust emissions, such as carbon disulfide emission index values, such as printing and dyeing standards to the COD index as much as doubled, the printing and dyeing industry is facing a huge impact.

Knowing Personage According to the existing emission standards, a considerable portion of viscose fiber enterprises used to practice a "big smokestack", which started at 80 meters high, and gradually increased to 100 meters and 120 meters with the increase of production capacity. By exhausts the exhaust gas to the high altitude, the exhaust gas diffuses naturally at high altitude and integrates into the ground concentration so as to achieve the standard. After the approval of the Ministry of environmental protection, the project is ready.

If the new standard is introduced, if more stringent emission limits are imposed on carbon disulfide, "most existing viscose plants may not be able to do anything". Because engineering design has been "fixed" in the past, the space for modification of engineering design is relatively small, and the cost of adjustment and alteration is rather difficult.

For example, for carbon disulfide and other waste gas emissions, set up rigid recovery indicators, such as the mandatory provision of carbon disulfide recovery 60%-70%, otherwise it can not be directly produced. That will exacerbate industry consolidation.

　　 specific In the field of viscose staple fiber, people familiar with the matter said that the leading companies such as Sanyou chemical have established some exhaust gas recovery devices, but the other enterprises in the industry do not have the same recycling technology. The introduction of standards will probably lead to some enterprises going out.

Viscose filament industry is facing almost all industry challenges. Informed sources said, at present, the domestic viscose filament enterprises for carbon disulfide emissions, almost no scale recovery, are "straight row". If there are more stringent new standards, the overall cost of the industry may rise sharply.