Soil and groundwater remediation proposal for hydrocarbons in a tropical aquifer

被引:4
|
作者
Marquez, Adriana [1 ]
Freytez, Estafania [2 ]
Maldonado, Julio [3 ]
Guevara, Edilberto [1 ]
Perez, Sergio [1 ]
Buroz, Eduardo [4 ]
机构
[1] Univ Carabobo, Hydrol & Environm Res Ctr, Naguanagua, Venezuela
[2] Lisandro Alvarado Cent Occidental Univ, Agroind Engn Program, Barquisimeto, Venezuela
[3] Univ Pamplona, Environm Res Grp Water Air & Soil, Pamplona, Colombia
[4] Andres Bello Catholic Univ, Cent Univ Venezuela, Natl Acad Engn & Habitat, Postgrad Program Environm Engn, Caracas, Venezuela
来源
JOURNAL OF APPLIED WATER ENGINEERING AND RESEARCH | 2023年 / 11卷 / 04期
关键词
bioreactor; bioremediation; contaminated aquifer; BTEX; TPH; hydrocarbons; contaminated soil; contaminated groundwater; REMOVING PETROLEUM-HYDROCARBONS; ACTIVATED-SLUDGE SYSTEM; TANNERY WASTE-WATER; BATCH-REACTOR; CONTAMINATED GROUNDWATER; BIOLOGICAL TREATMENT; ORGANIC-MATTER; BIOREMEDIATION; PERFORMANCE; BTEX;
D O I
10.1080/23249676.2022.2135624
中图分类号
TV21 [水资源调查与水利规划];
学科分类号
081501 ;
摘要
This paper deals with a proposal for the remediation of soils and groundwater contaminated with hydrocarbons in a tropical aquifer, due to leaks from underground tanks in a gas station in Venezuela. The hydrocarbon measured values such as TPHs (Total Petroleum Hydrocarbons) and BTEX (Benzene, Toluene, Ethylbenzene, Xylenes) in soils and groundwater exceeded the international standards. The remediation proposal was designed using kinetic models from the modified Monod equation for two coupled bioreactors, used as a design variable for the Chemical Oxygen Demand (COD). For soil treatment, the sequence was formed by a Soil-Slurry Sequencing Batch Reactor (SS-SBR) and an Upflow Anaerobic Filter separately in three phases (UAF-3SS), operating for 80% and 99% of COD removal, respectively. For groundwater treatment, it was set that the SBR-UAF-3SS sequence performs a COD removal of 60% and 99%, respectively.
引用
收藏
页码:423 / 452
页数:30
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