Source https://www.ctn1986.com/index.php?c=content&a=show&id=59436

        Fatty acid methyl ester ethoxylate sulfonate FMES product contains large amounts of phosphorus, total phosphorus content of the product up to 5500ppm, leading to large-scale use of wastewater phosphorus content is higher than the state emission standards. Hangzhou as the EPA to develop a "textile industrial water pollutant discharge standards", the concentration of total phosphorus emission limit is 0.5 ppm, phosphorus FMES exceeds 11,000 times.

With increasing environmental requirements for the country, not only for the use of wastewater FMES bring great trouble. On the other hand FMES in the cost is not high, generally used FMES scouring agent, but low capillary effect, raw materials expensive, poor value for money, do pre-processing of raw materials will lead to significantly increased costs.

For FMES cost analysis:
1.After drying the solid component FMES only 65%, FMES folded content of 99% the price up to 17 yuan / kg, the anionic product can be sold at this price also is a high price, after all, AES, dodecylbenzenesulfonic acid, etc. only seven or eight thousand a ton.

2.About 20g / L caustic alkali under FMES performance is not as good as advertised, alkali resistance at room temperature of only 30g / L caustic soda and 100 degrees boiling conditions.

3.FMES poor resistance to hard water, washing performance significantly lower in hard water conditions.

4.FMES permeability is far worse than sodium dodecyl benzene sulfonate and secondary alkyl sulfonate.

5.FMES foam is high, there is the phenomenon of anti-foaming ingredients detected silicone defoamers
ingredients, it is possible to produce high temperature silicon spots.

6.FMES benzene ring contains a lot of lead to the COD and BOD values ​​are high.