14457
Mass transfer and adsorption equilibrium for low volatility alkanes in BPL activated carbon .
 Chemical: alkanes; Chemical: carbon
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: alkanes, carbon 
Answer:
 Chemical: alkanes; Chemical: carbon