Hydrocarbon-containing wastes and wastewaters are produced worldwide by the activities of oil gas industry. Anaerobic digestion has potential to treat these waste streams, while recovering part its energy as biogas. However, hydrocarbons toxic compounds that may inhibit microbial processes, particularly methanogens. In this work, toxicity hexadecane (0–30 mM) towards pure cultures hydrogenotrop...

The purpose of this study was to investigate the production of flavor compounds from olive mill waste by microbial fermentation of Rhizopus oryzae and Candida tropicalis. Olive mill waste fermentations were performed in shake and bioreactor cultures. Production of flavor compounds from olive mill waste was followed by Gas Chromatography-Mass spectrometry, Gas chromatography- olfactometry and Sp...

Rhizoremediation involves the use of plant growth promoting rhizobacteria (PGPR) to remove organic pollutants from terrestrial environment. The main objective of this study was to evaluate the efficiency of rhizoremediation through inoculation of hydrocarbon degrading bacterial strains with and without nutrients in the rhizosphere sporadically become contaminated with oily sludge. Bacterial str...

bubble column reactors are used in a wide variety of applications such as multiphase bioreactors, catalytic slurry reactors, and absorption processes. the superficial gas velocity-gas holdup relationship and transition point are two important parameters for characterizing the hydrodynamics of a bubble column reactor. in this study, systematic investigation of a nitrogen - water - glass beads bu...

Currently, one of the key sectors Russian Federation is fuel industry. Oil and gas production growing annually; in 2018, 555 million tons oil 733 billion m3 were produced. The problem industry negative impact on environment, namely, activities companies produce dangerous envi-ronmental pollutants, which sludge. At same time, it a valuable raw material (potential product) that can be used variou...

Thermal degradation of waste plastics in an inert atmosphere has been regarded as a productive method, because this process can convert waste plastics into hydrocarbons that can be used either as fuels or as a source of chemicals. In this work, waste high-density polyethylene (HDPE) plastic was chosen as the material for pyrolysis. A simple pyrolysis reactor system has been used to pyrolyse was...