The recycling amount of road asphalt in Neijiang City is about 0.5 million yuan per ton/kloc-0. Recycled asphalt pavement can save a lot of raw materials such as asphalt, sand and gravel, which is beneficial to the treatment of waste and environmental protection, and to the treatment and protection of aging and recycling of environmentally friendly asphalt. Asphalt concrete pavement is used for mixing, transportation, construction and asphalt mixture. Due to the influence of heat and various natural factors, asphalt gradually ages and the colloidal structure changes, which leads to the decrease of asphalt permeability and viscosity and the recycling of old asphalt.
Cyanine is a dark brown complex mixture composed of hydrocarbons with different molecular weights and their nonmetallic derivatives, and it is a high viscosity organic liquid.
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