Biological Degradation and Transformation Characteristics of Total Petroleum Hydrocarbons by Oil Degradation Bacteria Adsorbed on Modified Straw

doi:10.1021/acsomega.9b00906

CORC > 兰州理工大学 > 兰州理工大学 > 石油化工学院

	Biological Degradation and Transformation Characteristics of Total Petroleum Hydrocarbons by Oil Degradation Bacteria Adsorbed on Modified Straw
	Chen, Lihua 3; Lei, Zhongchun 3; Luo, Xiaofang 1; Wang, Dongmei 1; Li, Li 3; Li, An 2
刊名	ACS OMEGA
	2019-06
卷号	4 期号:6 页码:10921-10928
ISSN号	2470-1343
DOI	10.1021/acsomega.9b00906
英文摘要	We report a simple and "green" method for the fabrication of polymer-modified straw-supported oil degradation bacteria (PMS-ODB) for biological degradation of total petroleum hydrocarbons (TPHs) in water. The modification of straw was achieved by in situ copolymerization of styrene and butyl methacrylate using methylene-bis-acrylamide as a cross-linker in an aqueous solution containing straw powders. Compared with the control group (ODB loaded on untreated straw), the results obtained from the experimental group show that the polymer-modified straw is beneficial to the growth of microorganisms. As a result, the degradation rate of TPHs reaches 90.12%, which is 50.54 and 7.08% higher than that of the blank group (ODB only) and the control group, respectively. A study on the transformation characteristics of PMS-ODB shows that the degradation rate of alkanes with low, medium, and high carbon number is higher than 90%. w(Sigma C21-)/w(Sigma C22+) (the mass ratio of normal alkanes of high carbon/low carbon), w(pr)/w(ph) (the ratio of pristane/phytane), and OEP (the mass ratio of normal alkanes of odd carbon/even carbon) for TPHs in the experimental group were measured to be 0.6186, 0.7248, and 1.4356, respectively, all of which are the largest value among the blank group, control group, and experimental group. These findings indicate that compared with the control group, the modification of straw could enhance the comprehensive biological degradation performance for TPHs, even those highly stable organics, such as carbon nalkanes and isoprenoid hydrocarbon, which may open a new possibility for degradation of oils or toxic organics in an enhanced biological manner.
资助项目	Innovation and Entrepreneurship Talent Project of Lanzhou[2017-RC-33]
WOS研究方向	Chemistry
语种	英语
出版者	AMER CHEMICAL SOC
WOS记录号	WOS:000473361500153
状态	已发表
内容类型	期刊论文
源URL	[http://119.78.100.223/handle/2XXMBERH/31834]
专题	石油化工学院
通讯作者	Chen, Lihua; Li, An
作者单位	1.Northwest Minzu Univ, Ctr Expt, Lanzhou 730030, Gansu, Peoples R China 2.Lanzhou Univ Technol, Dept Chem Engn, Coll Petrochem Engn, Lanzhou 730050, Gansu, Peoples R China 3.Northwest Minzu Univ, Sch Chem Engn, Lanzhou 730030, Gansu, Peoples R China
推荐引用方式 GB/T 7714	Chen, Lihua,Lei, Zhongchun,Luo, Xiaofang,et al. Biological Degradation and Transformation Characteristics of Total Petroleum Hydrocarbons by Oil Degradation Bacteria Adsorbed on Modified Straw[J]. ACS OMEGA,2019,4(6):10921-10928.
APA	Chen, Lihua,Lei, Zhongchun,Luo, Xiaofang,Wang, Dongmei,Li, Li,&Li, An.(2019).Biological Degradation and Transformation Characteristics of Total Petroleum Hydrocarbons by Oil Degradation Bacteria Adsorbed on Modified Straw.ACS OMEGA,4(6),10921-10928.
MLA	Chen, Lihua,et al."Biological Degradation and Transformation Characteristics of Total Petroleum Hydrocarbons by Oil Degradation Bacteria Adsorbed on Modified Straw".ACS OMEGA 4.6(2019):10921-10928.