Effect of long-term application of oil refinery wastewater on soil health with special reference to microbiological characteristics

Hayat, Shamsul; Ahmad, Iqbal; Azam, Zake M.; Ahmad, Aqil; Inam, Arif; Samiullah, -

doi:10.1016/s0960-8524(02)00027-5

Cited by 38 publications

(18 citation statements)

References 7 publications

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“…This is in accordance with other results for rhizobia isolated from both temperate and tropical soils (Angle et al 1993, Trannin et al 2001a, Matsuda et al 2002. Hayat et al (2002) demonstrated soil populations of asymbiotic bacteria from a soil receiving oil refinery wastewater, as having tolerance to up to 400μg mL -1 (mg L -1 ) of both Cd and Zn, within the range found for Zn but not for Cd, in our study, as well as by Angle et al (1993), Trannin et al (2001a and Matsuda et al (2002) when studying rhizobia.…”

Section: Discussionsupporting

confidence: 90%

“…These authors also found high negative correlation between nitrogenase activity and Zn, Cd and Cu concentrations in the soil. Hayat et al (2002) found that asymbiotic Nitrogen fixer populations, in soil receiving oil refinery wastewater, tolerate Ni, Cd, Pb, Cu and Zn tested individually, at concentrations up to 400μg mL -1 . In the only study with associative diazotrophic isolates (Strzelczyk et al 1997), it was found a similar behavior of isolates to different HM (Zn, Cd and Cu).…”

Section: Introductionmentioning

confidence: 98%

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Associative diazotrophic bacteria in grass roots and soils from heavy metal contaminated sites

Moreira

Lange

Filho

et al. 2008

An. Acad. Bras. Ciênc.

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This work aimed to evaluate density of associative diazotrophic bacteria populations in soil and grass root samples from heavy metal contaminated sites, and to characterize isolates from these populations, both, phenotypically (Zinc, Cadmium and NaCl tolerance in vitro, and protein profiles) and genotypically (16S rDNA sequencing), as compared to type strains of known diazotrophic species. Densities were evaluated by using NFb, Fam and JNFb media, commonly used for enrichment cultures of diazotrophic bacteria. Bacterial densities found in soil and grass root samples from contaminated sites were similar to those reported for agricultural soils. Azospirillum spp. isolates from contaminated sites and type strains from non-contaminated sites varied substantially in their in vitro tolerance to Zn +2 and Cd +2 , being Cd +2 more toxic than Zn +2 . Among the most tolerant isolates (UFLA 1S, 1R, S181, S34 and S22), some (1R, S34 and S22) were more tolerant to heavy metals than rhizobia from tropical and temperate soils. The majority of the isolates tolerant to heavy metals were also tolerant to salt stress as indicated by their ability to grow in solid medium supplemented with 30 g L -1 NaCl. Five isolates exhibited high dissimilarity in protein profiles, and the 16S rDNA sequence analysis of two of them revealed new sequences for Azospirillum.

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Section: Discussionsupporting

confidence: 90%

Section: Introductionmentioning

confidence: 98%

Associative diazotrophic bacteria in grass roots and soils from heavy metal contaminated sites

Moreira

Lange

Filho

et al. 2008

An. Acad. Bras. Ciênc.

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“…DiazRavina and Bååth (1996) postulated that microbial community structures in metal impacted environments could change without associated total biomass loss when biomass that was lost by the death of metal-sensitive species was replaced by increased biomass of more resistant species. This hypothesis is supported by large ranges of reported minimum inhibitory concentrations documented for a single metal (for example, compare the results of Mahapatra and Banerjee, 1996;Kunito et al, 1997;Hassen et al, 1998;Utgikar et al, 2001;Hayat et al, 2002). The primary goal of the work described here was to compare microbial community structures in anoxic freshwater sediment samples with differing levels of metal contamination.…”

Section: Introductionmentioning

confidence: 68%

Microbial community structures in anoxic freshwater lake sediment along a metal contamination gradient

Gough

Stahl

2010

The ISME Journal

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Contamination, such as by heavy metals, has frequently been implicated in altering microbial community structure. However, this association has not been extensively studied for anaerobic communities, or in freshwater lake sediments. We investigated microbial community structure in the metal-contaminated anoxic sediments of a eutrophic lake that were impacted over the course of 80 years by nearby zinc-smelting activities. Microbial community structure was inferred for bacterial, archaeal and eukaryotic populations by evaluating terminal restriction fragment length polymorphism (TRFLP) patterns in near-surface sediments collected in triplicate from five areas of the lake that had differing levels of metal contamination. The majority of the fragments in the bacterial and eukaryotic profiles showed no evidence of variation in association with metal contamination levels, and diversity revealed by these profiles remained consistent even as metal concentrations varied from 3000 to 27 000 mg kg À1 total Zn, 0.125 to 11.2 lM pore water Zn and 0.023 to 5.40 lM pore water As. Although most archaeal fragments also showed no evidence of variation, the prevalence of a fragment associated with mesophilic Crenarchaeota showed significant positive correlation with total Zn concentrations. This Crenarchaeota fragment dominated the archaeal TRFLP profiles, representing between 35% and 79% of the total measured peak areas. Lake DePue 16S rRNA gene sequences corresponding to this TRFLP fragment clustered with anaerobic and soil mesophilic Crenarchaeota sequences. Although Crenarchaeota have been associated with metal-contaminated groundwater and soils, this is a first report (to our knowledge) documenting potential increased prevalence of Crenarchaeota associated with elevated levels of metal contamination.

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“…Domestic and foreign research institutions have tirelessly studied the matter in-depth and discussed on oily wastewater treatment methods, and the goal is both include of removal of a large amount of oil, considering the removal of dissolved organic matter, suspended solids, soaps, pH, sulfide, ammonia, etc. [5]. Customary physicalchemical strategies utilized for the treatment of oilfield produced water are frequently inadmissible since they are centered around the division of the dispersed oil or the expulsion of disintegrated organic pollutants from the aqueous stage with no synthetic change [6].…”

Section: Introductionmentioning

confidence: 99%

A Review of Oilfield Wastewater Treatment Using Membrane Filtration Over Conventional Technology

Nazirah¹,

Yusof²,

Aziz³

et al. 2017

MJAS

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The oil and gas industry has been a constant developing industry as it is of importance to the maintenance of industrial civilization in its current configuration and play vital roles in many other industries. Some oil and gas industry operations have been accountable of water contamination through by-results of refining and oil slicks. One of the biggest by-products that have raised a critical environment concern is oilfield produced water. Oilfield produced water (OPW) is coproduced aqua liquid phase which originate from well alongside oil phases in normal production process. The content of OPW consists of different type of organic and inorganic mix. Discarding this kind of wastewater can lead to surface pollution especially on water sources as well as soil. Hence, to meet environmental regulations as well as reuse and recycling of produced water, many researchers have focused on treating oily saline produced water. Conventional technologies used to treat produced water consist of clarifiers, dissolved air flotation, hydro cyclones, and disposable filters/absorbers. Typically, additional chemicals for coagulation or settling are needed which are expensive and are incapable of achieving recently required standards of cleanliness. Therefore, researchers have swung to membrane filtration plans because of their capability to minimize extra expenses and surpass issues connected with current advances. Thus, the purpose of this review is to highlight the current and developed membrane technology used in treating the oilfield produced wastewater and its current progress.Keywords: oilfield produced water, membrane filtration, mixed matrix membrane, oily wastewater Abstrak Industri minyak dan gas telah menjadi industri membangun berterusan kerana ia adalah penting untuk mengekalkan tamadun perindustrian dalam konfigurasi semasa dan memainkan peranan penting dalam banyak industri lain. Sesetengah operasi industri minyak dan gas telah dipertanggungjawabkan ke atas pencemaran air melalui tindakan penapisan dan minyak tumpahan. Salah satu yang produk sampingan yang terbesar yang telah menimbulkan kebimbangan persekitaran kritikal adalah air yang dihasilkan medan minyak. Air yang dihasilkan dari medan minyak (OPW) adalah dihasilkan bersama fasa cecair dan fasa minyak yang berasal dari telaga minyak dalam proses pengeluaran normal. Kandungan OPW terdiri daripada pelbagai jenis campuran organik dan bukan organik. Pembuangan jenis air sisa ini boleh membawa kepada pencemaran permukaan terutamanya kepada sumber air dan tanah. Oleh itu, untuk memenuhi peraturan-peraturan alam sekitar serta penggunaan semula dan kitar semula air yang dihasilkan, ramai penyelidik telah memberi tumpuan kepada merawat air masin yang dihasilkan dari medan minyak ini. Teknologi konvensional yang digunakan untuk merawat air yang dihasilkan terdiri daripada clarifiers, pengapungan udara terlarut, siklon hidro dan penapis boleh guna/penyerap. Biasanya, bahan kimia tambahan untuk pembekuan

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Effect of long-term application of oil refinery wastewater on soil health with special reference to microbiological characteristics

Cited by 38 publications

References 7 publications

Associative diazotrophic bacteria in grass roots and soils from heavy metal contaminated sites

Associative diazotrophic bacteria in grass roots and soils from heavy metal contaminated sites

Microbial community structures in anoxic freshwater lake sediment along a metal contamination gradient

A Review of Oilfield Wastewater Treatment Using Membrane Filtration Over Conventional Technology

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