The FCC slurry is used to pretreat crumbled rubber to improve compatibility of bitumen and crumbled rubber and produce crumbled-rubber modified bitumen with good hot storage stability.

• 废胶粉用FCC油浆进行预处理后用于沥青改性,制备出沥青与胶粉间相容性好、高温存储性能稳定的胶粉改性沥青。