Cosmetic wastewater, the "hidden killer" behind beauty, do you know about it?

On the path of pursuing beauty, cosmetics have become necessities in the lives of countless people. However, few people know that the wastewater generated during the production process of cosmetics is putting huge pressure on the environment. According to relevant data, the cosmetic industry has developed rapidly in recent years, and at the same time, the amount of wastewater it generates is also increasing year by year. So, what is so special about cosmetic wastewater and how should it be treated? This is exactly the topic to be discussed in this article.

The composition of cosmetic wastewater is complex, containing a large amount of surfactants, fragrances, pigments, and various chemical additives. Take surfactants as an example. They can reduce the surface tension of liquids, enabling cosmetics to have better dispersion and emulsification properties. However, once they enter the wastewater, they will cause the water body to produce a large amount of foam, affecting the reoxygenation ability of the water body. Fragrances and pigments will not only make the wastewater have a special smell and color, but some components also have biotoxicity, threatening the survival of aquatic organisms. Moreover, the chemical oxygen demand (COD) and biochemical oxygen demand (BOD) of cosmetic wastewater are usually high, which means that there are a large number of organic substances that can be decomposed by microorganisms in the water. If discharged directly, it will consume a large amount of oxygen in the water, causing the water body to stink and the ecological balance to be destroyed.

Traditional sewage treatment methods such as physical sedimentation and chemical coagulation, when treating cosmetic wastewater, although they can remove some suspended solids and some dissolved substances, the effect is limited. Physical sedimentation can only separate impurities with larger particles, and is powerless against those tiny colloidal particles and dissolved organic substances. Chemical coagulation can make colloidal particles coagulate and precipitate by adding coagulants, but it is difficult to completely decompose complex organic components. As for the biological treatment method, since some components in cosmetic wastewater may be toxic to microorganisms, they will inhibit the activity of microorganisms, resulting in low biological treatment efficiency. For example, some cosmetic wastewater containing heavy metal ions will denature the proteins of microorganisms, affecting their normal metabolism and the ability to decompose organic substances.

Zhongshitong has been deeply involved in the field of cosmetic wastewater treatment for many years and has developed an efficient treatment plan. First, a pretreatment process is adopted. Through equipment such as grids and regulating ponds, large particle impurities in the wastewater are removed, and the water quality and quantity are adjusted to create stable conditions for subsequent treatment. Then, advanced oxidation technology is applied. By using hydroxyl radicals generated by strong oxidants, refractory organic substances are decomposed into small molecular substances to improve their biodegradability. After that, combined with an improved biological treatment process, microbial flora adapted to the cosmetic wastewater environment are screened and cultured to further decompose organic substances. Finally, through advanced treatment such as activated carbon adsorption and membrane separation technologies, it is ensured that the quality of the effluent water meets the discharge standards. After being treated by Zhongshitong, the cosmetic wastewater can not only remove most of the pollutants, but also realize the recycling of part of the water resources, greatly reducing the water cost and environmental pressure of enterprises.

The treatment of cosmetic wastewater is not only related to the social responsibility of enterprises, but also to our common living environment. Every drop of wastewater that has not been properly treated may become the "culprit" that destroys the ecology. Enterprises should actively adopt advanced treatment technologies like Zhongshitong to reduce the harm of wastewater to the environment from the source. At the same time, consumers should also enhance their environmental protection awareness and choose those cosmetic brands that pay attention to environmental protection and adopt green production processes. Let us work hand in hand to protect our beautiful mountains and clear waters while pursuing beauty.