Which kind of cigarettes were destroyed in the Humen Smokeout?

Humen Smoke Destruction is opium June 3, 1839 (Qing Emperor Xuanzong Daoguang nineteen years years of age, the twenty-second of April in the Hei), Lin Zexu ordered the destruction of opium in public at Humen Beach, to the end of June 25, *** lasted 23 days, the destruction of opium 19,187 boxes and 2,119 bags, a total of 23,762,254 pounds Lin Zexu would like to return to the capital for the destruction of opium, but the imperial censor Deng Ying that in order to prevent the However, Deng Ying, the imperial historian, believed that in order to prevent the opium from being secretly exchanged, it would be better to destroy the opium on the spot, and the Daoguang Emperor agreed. Lin Zexu decided to openly destroy the opium at Humen, then Lin Zexu had to find out how to destroy the opium. Lin Zexu had used the traditional method of destroying opium, "the method of burning opium by mixing tung oil with soot", but the residual paste would seep into the ground, and the drug addicts dug up the ground to get the soil, but still got two or three out of ten. So Lin Zexu found a second method "sea water immersion method".