Abstract: Modern wastewater treatment technologies can be divided according to principles of physical treatment, chemical treatment, biochemical approach. Synthesis of the above methods Spices Wastewater treatment are briefly introduced, and wastewater treatment in recent years, synthetic perfumes, development of new technologies is discussed.

Keywords: Aroma chemical wastewater treatment methods of physical treatment methods biochemical approach

Synthetic perfume is the fragrance and flavor industry, an important component. In the synthetic perfume production process generated waste water rich in organic matter, the COD is usually up to tens of thousands of mg / L or more, and the color is high, toxic, difficult to biochemical degradation, typical of high concentration organic wastewater [ 1 ~ 4]. In the past on the high concentration of perfume wastewater treatment using chemical and most physical and biochemical methods [5]. The two methods are some limitations or deficiencies. Existence of chemical treatment of waste water can not be stable perfume compliance, higher operating costs, currently the basic still in the laboratory stage; physical and biochemical methods are basically the same problem. Water sources and water quality

1 1.1 Wastewater from the

Aroma mainly Oil Chemicals, coal processing by-products, such as plant essential oils Raw material Using the method in organic synthesis Preparation.

Synthesized the world's species have more than 5,000 kinds of spices, often more than 400 species. Synthesis of fine fragrance industry has become a modern Chemical industry Area is an important part. China's production of synthetic spices, vanillin, coumarin and piperonal other varieties in the world, plays an important role, but these flavors are contaminated products, the manufacturing process used in the production of a large number of toxic and hazardous chemical materials and high temperature high-pressure process, so a larger waste emissions, leading to environmental pollution and ecological imbalance, it is necessary to protect the environment, waste management and so on greater efforts to [6].

Wastewater mainly by equipment cleaning, extraction, condensation, hydrolysis, toluene crystallization, washing and other points along the ground.

1.2 Wastewater Quality 1) water types and more complex components. Aroma production process wastewater generated by many different types of waste water each composition, concentration varies due to raw materials and processes, both spices, spice products, degradation products, as well as raw and auxiliary materials, and contains a large number of toxic and hazardous substances such as toluene, benzene Formaldehyde And so on, water pollutants are complicated, high color, most have a strong pungent odor, is one of the most difficult wastewater.

2) emissions erratic. In addition to a small overflow washing continuous emission, the rest mostly intermittent concentrated wastewater discharge.

3) water quantity, water quality is changed. As the wastewater composition, different concentrations, and emissions-free laws, resulting in the discharge of waste synthetic perfume, great changes in water quality and no rules to follow.

2 Wastewater Treatment Technology spice Modern wastewater treatment technology can be divided according to principles of physical treatment, chemical treatment methods and biochemical approach.

With economic development, improvement in the level of industrialization, more and more complex and difficult to discharge water quality control, while people's growing awareness of environmental protection, continue to introduce new environmental regulations, increasing demands for wastewater discharge high, which prompted researchers continue to work out a new wastewater treatment technologies, new techniques, knowledge and understanding of domestic and foreign technology, a dialectical analysis of the pros and cons, choose to apply the new technology, wastewater treatment to China has important significance.

2.1 Physical Law

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