FMES is about to end the road to printing and dyeing auxiliaries?

The fatty acid methyl ester ethoxylate sulfonate FMES product contains a large amount of phosphorus, and the total phosphorus content of the product is as high as 5,500 ppm. The use of a large amount of waste water causes the phosphorus content of the waste water to exceed the national emission standards. For example, in the “Emission Standard of Water Pollutants for Textile Dyeing and Finishing Industry” formulated by Hangzhou Environmental Protection Bureau, the emission concentration of total phosphorus is limited to 0.5 ppm, and the phosphorus content of FMES exceeds 11,000 times.
With the increasing demand for environmental protection in various regions, the use of FMES will not only cause great trouble for wastewater discharge. On the other hand, FMES is not high in terms of price/performance ratio. FMES is generally used as a scouring agent, but its low efficiency, high raw material price, and poor price/performance ratio make the cost of raw materials before processing significantly higher.
　 The cost-performance analysis of FMES:
1, FMES solid content after drying is only 65%, FMES folded into 99% content up to 17 yuan / kg, anionic products can be sold at this price is also astronomical, after all, AES, dodecylbenzene sulfonic acid, etc. Only 78,000 tons.
2, FMES alkali resistance performance is not as good as advertised, alkaline resistance is only normal temperature of 30g / L caustic soda and 100 ° boiling conditions about 20g / L caustic soda.
3, FMES hard water resistance is very poor, in the hard water conditions, washing performance significantly reduced.
4, FMES permeability performance is far worse than sodium dodecylbenzene sulfonate and sodium secondary alkyl sulfonate.
5, FMES foam is very high, there is a phenomenon of defoaming, the composition of the silicone defoamer component detected, high temperature conditions may produce silicon spots.
6, FMES contains a large number of benzene rings resulting in high levels of COD and BOD in wastewater.

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