Hydrocarbon sludge
Web15 apr. 2024 · The main role of the biosurfactants produced was to emulsify the medium and to absorb the oils contained in the hydrocarbons sludge. This allowed to stabilize hydrocarbon oils and favored the inductive metabolism of P. aeruginosa. Furthermore, physicochemical and Fourier transform infrared spectroscopy ... Web17 nov. 2024 · The immobilization of microorganisms on high-quality and inexpensive carriers to remediate oil-contaminated soil is an effective strategy for contaminated soil remediation. Due to the abundance in nutrients, large specific surface area, and fewer pathogens, the composting sludge is considered a high-quality immobilized material. …
Hydrocarbon sludge
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Web1 mrt. 2024 · 1. Introduction. Petroleum sludge possesses a complex composition of various toxic hydrocarbons legally classified as hazardous waste .These petroleum hydrocarbons include long-chained alkanes and alkenes, polycyclic aromatic hydrocarbons (PAHs), resins and asphaltenes .Due to its complex nature and high concentrations of heavy oil … Physicochemical parameters of the sludge samples were summarized in Table 1. All the three samples exhibited anoxic to strict anaerobic (DO: 0.01–0.66 mg l− 1), reducing condition with low conductivity. The temperature of the two samples GR1 and DB2 obtained from sludge storage pits were close to … Meer weergeven Microbial abundance within the samples was quantified through total microscopic cell counts, enumeration of cultivable bacteria and … Meer weergeven AWCD data indicated the rich physiological attributes of the refinery waste communities. Among the samples, DB2 and GR3 … Meer weergeven Distribution of bacterial phyla across the samples was delineated based on their relative abundance (Fig. 3a and Additional file 6: Figure S3). Members of Proteobacteria, … Meer weergeven The total number of sequence reads per sample varied between 435,940–627,638 and a total number of 25,923 OTUs (> 97% sequence similarity) could be obtained across the three samples (Table 2). … Meer weergeven
WebMarine Oily Water and Sludge Treatment. A typical vessel discharge quantity would be between 30 and 80 cubic meters of oily waste. Volume is a factor of shipboard storage capacity and the requirement to keep ample storage space. The amount of oil in the sludge varies between 30% and 70% depending upon the efficiency of the ship’s onboard oily ... Web1 dag geleden · The sludge was dried until the weight was constant in an oven at 105 °C, and was sifted with the 100-mesh after being crushed. Then the dried sludge powder was placed in a tube furnace with N 2 atmosphere and pyrolyzed at 700 °C (5 °C min −1, 3 h), and ground, the sludge biochar obtained was marked as SBC. Characterization
Web15 okt. 2013 · Oily sludge is one of the most significant solid wastes generated in the petroleum industry. It is a complex emulsion of various petroleum hydrocarbons (PHCs), water, heavy metals, and solid particles. Due to its hazardous nature and increased generation quantities around the world, the effective tr … Web21 sep. 2024 · Biodegradation of petroleum hydrocarbons in oily sludge (C 11 -C 29) increased from 24% after two days to 99% after 9 days of incubation in cultures containing 5% (w/v) of oily sludge at 40°C. When the nitrogen source was excluded from the batch cultures, hydrocarbon biodegradation dropped to 45% within 7 days.
WebFor the determination of mineral oil content in various matrixes (water, soil, sludge) three different DIN/EN standards exist. Each one specifies a method for the determination of …
Web7 aug. 2024 · Total petroleum hydrocarbons (TPH) are the major contaminants present in the petroleum sludge they ranged from 0.204 to 521.12 g/kg of dry matter, indicating a … get athens accountWeb5 jul. 2024 · The intensive production of fossil fuels has led to serious polycyclic aromatic hydrocarbon (PAH) contamination in water and soil environments (as PAHs are typical types of emerging contaminants). Bio-Fenton, an alternative to Fenton oxidation, which generates hydrogen peroxide at a nearly neutral pH condition, could ideally work as a … christmas knitting graphs and chartsWeb7 aug. 2024 · In this review, studies on petroleum sludge composting have been investigated in the aim to understand the sludge biotransformation and highlighting the points that need more attention. Total petroleum hydrocarbons (TPH) are the major contaminants present in the petroleum sludge they ranged from 0.204 to 521.12 g/kg of … christmas knitting patterns free downloadWeb17 nov. 2024 · In general, the microorganisms immobilized by modified compost sludge can effectively degrade petroleum hydrocarbons and show less inhibitory effect on native … get athena usaWeb9 dec. 2024 · BACKGROUND. One of the major parts of global environmental pollution is petroleum-derived products. The purpose of this study was the biodegradation of total petroleum hydrocarbons (TPH) in oily sludge using … christmas knitting motif chartsWeb25 dec. 2024 · The first step of the process takes place when the sludge is heated to temperatures in the range of 100-200 • C, where the remaining moisture associated with the sludge is evaporated and... get a therapist todayWeb15 okt. 2013 · Oily sludge is one of the most significant solid wastes generated in the petroleum industry. It is a complex emulsion of various petroleum hydrocarbons … christmas knitting patterns free printable