Avdalović Jelena, Đurić Aleksandra, Miletić Srdjan, Ilić Mila, Milić Jelena, Vrvić Miroslav M
University of Belgrade, Institute for Chemistry, Technology and Metallurgy, Serbia
University of Belgrade, Faculty of Chemistry, Serbia.
Waste Manag Res. 2016 Aug;34(8):734-9. doi: 10.1177/0734242X16652961. Epub 2016 Jun 27.
The mud generated from oil and natural gas drilling, presents a considerable ecological problem. There are still insufficient remedies for the removal and minimization of these very stable emulsions. Existing technologies that are in use, more or less successfully, treat about 20% of generated waste drilling mud, while the rest is temporarily deposited in so-called mud pits. This study investigated in situ bioremediation of a mud pit. The bioremediation technology used in this case was based on the use of naturally occurring microorganisms, isolated from the contaminated site, which were capable of using the contaminating substances as nutrients. The bioremediation was stimulated through repeated inoculation with a zymogenous microbial consortium, along with mixing, watering and biostimulation. Application of these bioremediation techniques reduced the concentration of total petroleum hydrocarbons from 32.2 to 1.5 g kg(-1) (95% degradation) during six months of treatment.
石油和天然气钻探产生的泥浆带来了相当严重的生态问题。对于去除这些非常稳定的乳液并使其减至最少，目前仍缺乏足够的补救措施。现有的正在使用的技术，或多或少取得了一些成功，能处理约20%的钻井废泥浆，而其余的则暂时存放在所谓的泥浆池中。本研究调查了一个泥浆池的原位生物修复情况。在此案例中使用的生物修复技术基于利用从受污染场地分离出的天然存在的微生物，这些微生物能够将污染物用作养分。通过用发酵性微生物群落反复接种，同时进行混合、浇水和生物刺激来促进生物修复。在六个月的处理过程中，应用这些生物修复技术使总石油烃浓度从32.2克/千克降至1.5克/千克（降解率达95%）。
