Wastewater comes from
Synthetic fragrances mainly petrochemicals, coal processing by-products, vegetable oils and other raw materials, organic synthesis method of preparation.
Currently the world's synthetic perfume already more than 5000 varieties, more than 400 kinds of commonly used. Synthetic perfume industry has become an important part of modern fine chemicals in the field of. Synthesis of spices production in our country, vanillin, coumarin and piperonal varieties plays a very important role in the world, but these spices are polluting products, process using a large number of toxic and harmful chemical materials and high temperature and high pressure in the manufacturing process, so the three large waste emissions, leading to environmental pollution and ecological imbalance, so we must strengthen to protect environment, pollution control etc..
Wastewater is generated by equipment cleaning, extraction, condensation, hydrolysis, toluene crystallization, ground flush etc.