Academic literature on the topic 'Biodispersants'

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Journal articles on the topic "Biodispersants"

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Santos, Renata Andreia dos, Dayana Montero Rodríguez, Rafael de Souza Mendonça, et al. "Innovation in the production of ecological biodispersants: co-cultivation of Serratia marcescens and Tetradesmus obliquus." Revista Brasileira de Ciências Ambientais 60 (February 27, 2025): e2342. https://doi.org/10.5327/z2176-94782342.

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Fermentações mistas com bactérias e microalgas vêm sendo usadas com sucesso para aumentar a produção de biomassa e metabólitos. Entretanto, essa estratégia ainda não foi explorada para produzir biodispersantes – biomoléculas com potencial de utilização na biorremediação de petroderivados. Diante disso, investigamos a produção de biossurfactante por meio do co-cultivo de Serratia marcescens e Tetradesmus obliquus e sua aplicação como biodispersante. A biomolécula foi isolada por precipitação ácida e submetida a caracterização preliminar, testes de estabilidade e fitotoxicidade e aplicação na re
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Raddadi, Noura, Lucia Giacomucci, Grazia Totaro, and Fabio Fava. "Marinobacter sp. from marine sediments produce highly stable surface-active agents for combatting marine oil spills." Microbial Cell Factories 16, no. 1 (2017): 186. https://doi.org/10.1186/s12934-017-0797-3.

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<strong>Background: </strong>The application of chemical dispersants as a response to marine oil spills is raising concerns related to their potential toxicity also towards microbes involved in oil biodegradation. Hence, oil spills occurring under marine environments necessitate the application of biodispersants that are highly active, stable and effective under marine environment context. Biosurfactants from marine bacteria could be good candidates for the development of biodispersant formulations effective in marine environment. This study aimed at establishing a collection of marine bacteri
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Reynolds-Clausen, Kelley, Karen Surridge-Talbot, Marelize Botes, and T. Eugene Cloete. "Bacterial species diversity as an indicator of dibromonitrilopropionamide (DBNPA) biocide efficacy." Water Science and Technology 78, no. 2 (2018): 320–28. http://dx.doi.org/10.2166/wst.2018.289.

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Abstract Microorganism growth in industrial systems is controlled through the use of biocides and biodispersants. There is, however, no simple means of determining the efficacy of these control mechanisms, but it is currently tested using complex bacterial culturing techniques. Biolog Ecoplates® have been used to detect bacterial population changes in various communities. These microtitre plates comprise 31 different carbon substrates (in triplicate) with wells. When a sample is added to the wells, bacteria capable of metabolising the relevant carbon sources respire the substrates, causing the
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Pathak, Puneet, Varun Kumar, Nishi Kant Bhardwaj, and Chhavi Sharma. "Slime control in paper mill using biological agents as biocides." Physical Sciences Reviews 6, no. 6 (2021): 149–73. http://dx.doi.org/10.1515/psr-2019-0049.

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Abstract The environmental conditions of paper mills are suitable for the growth of slime-forming microorganisms due to the supply of nutrients, favorable temperature, and moisture. The slime formation causes the spoilage of raw materials &amp; additives, breaks in the paper during papermaking, loss of production, reduces the hygienic quality of the end products, produces off-spec and rejected products, creates microbiological corrosion, and produces harmful gases. The main microorganisms are Bacteria (mainly Bacillus spp., Achromobacter spp., Enterobacter spp., Pseudomonas spp., Clostridium,
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Rosenberg, E., C. Rubinovitz, A. Gottlieb, S. Rosenhak, and E. Z. Ron. "Production of Biodispersan by Acinetobacter calcoaceticus A2." Applied and Environmental Microbiology 54, no. 2 (1988): 317–22. http://dx.doi.org/10.1128/aem.54.2.317-322.1988.

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Yuliarita, Emi. "Efek Penggunaan Aditif Biodispersan pada Bahan Baakr Biosolar (B-20) Terhadap Komponen Ruang Bakar Mesin Diesel." Lembaran publikasi minyak dan gas bumi 50, no. 2 (2016): 131–37. http://dx.doi.org/10.29017/lpmgb.50.2.720.

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Penambahan aditif berbasis nabati pada bahan bakar Biosolar (B-20) bertujuan untuk mengurangi diposit yang terjadi pada ruang bakar mesin terutama pada bagian kepala silinder. Aditif yang digunakan berasal dari minyak atsiri (campuran minyak sereh wangi, minyak cengkeh dan minyak nilam) dengan pertimbangan mudah didapatkan. Metode yang digunakan dalam pengukuran deposit komponen ruang bakar adalah merit rating yang mengacu pada metode CEC/MO2-T70. Dimana nilai rating dari komponen mesin yang dievaluasi dinyatakan secara numeric dari 0 sampai 10. Nilai 10 menunjukan tingkat kebersihan yang pali
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Rosenberg, E., C. Rubinovitz, R. Legmann, and E. Z. Ron. "Purification and Chemical Properties of Acinetobacter calcoaceticus A2 Biodispersan." Applied and Environmental Microbiology 54, no. 2 (1988): 323–26. http://dx.doi.org/10.1128/aem.54.2.323-326.1988.

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Annuar, Nadhrah, Nabihah Azhary, Nur Amira Yusof, Suhaila Mohd Omar, Ahmed Jalal Khan Chowdhury, and Mardiana Mohd Ashaari. "Biosurfactant and bioemulsifier production by hydrocarbonoclastic bacteria isolated from petroleum sludge as potential biodispersant for oil spill remediation." DESALINATION AND WATER TREATMENT 313 (2023): 243–31. http://dx.doi.org/10.5004/dwt.2023.30020.

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Elkeles, Adi, Eugene Rosenberg, and Eliora Z. Ron. "Production and Secretion of the Polysaccharide Biodispersan of Acinetobacter calcoaceticus A2 in Protein Secretion Mutants." Applied and Environmental Microbiology 60, no. 12 (1994): 4642–45. http://dx.doi.org/10.1128/aem.60.12.4642-4645.1994.

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Rosenberg, E., Z. Schwartz, A. Tenenbaum, C. Rubinovitz, R. Legmann, and E. Z. Ron. "A MICROBIAL POLYMER THAT CHANGES THE SURFACE PROPERTIES OF LIMESTONE: EFFECT OF BIODISPERSAN IN GRINDING LIMESTONE AND MAKING PAPER." Journal of Dispersion Science and Technology 10, no. 3 (1989): 241–50. http://dx.doi.org/10.1080/01932698908943173.

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Dissertations / Theses on the topic "Biodispersants"

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Simões, Inês de Almeida. "Biofilm Removal - The Effects of Biodispersant and Chlorine Dioxide." Master's thesis, 2018. https://repositorio-aberto.up.pt/handle/10216/113485.

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Simões, Inês de Almeida. "Biofilm Removal - The Effects of Biodispersant and Chlorine Dioxide." Dissertação, 2018. https://repositorio-aberto.up.pt/handle/10216/113485.

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Mendes, Catarina Pereira Mendes. "Estudo e Monitorização do Biodispersante Adicionado ao Circuito Principal de Refrigeração da Central Termoelétrica de Lares." Master's thesis, 2020. http://hdl.handle.net/10362/112889.

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Esta dissertação tem como objetivos o estudo e a caracterização do biodispersante e a verificação da lógica implementada na injeção dos químicos, biocida (BC) e biodispersante (BD), utilizados no processo de desinfeção aplicado ao circuito principal de refrigeração da Central Termoelétrica de Lares, composto por duas torres com oito ventiladores cada. Para a concretização do primeiro objetivo foram realizados ensaios laboratoriais para monitorizar a variação de determinados parâmetros físico-químicos da matriz com o aumento da concentração do surfactante. Na intenção de avaliar a lógica imple
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Books on the topic "Biodispersants"

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Cowbourne, Michelle Angelique. The development of environmentally friendly biocides and biodispersants. University of Birmingham, 1995.

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Conference papers on the topic "Biodispersants"

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Chalut, J., L. D’Arsie, P. M. Bodkin, and C. Stodolka. "Identification of Cooling Water Biofilms Using a Novel ATP Monitoring Technique and Their Control with the Use of Biodispersants." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95211.

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Abstract Over the past decade, rapid changes in the water treatment industry have been seen in all industrial segments. These changes (water recycle &amp; water reuse) increase the potential for biofouling. Biofilm formation can create corrosion problems in industrial water systems. Control of biofilm is achieved most effectively when the mechanism of formation is understood. It may be possible to reduce the biomass by adding an appropriate biodispersant to the system. However, biodispersant activity in water systems is poorly understood, partly because of a lack of screening methods for rapid
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Nalepa, C. J., J. N. Howarth, and F. D. Azarnia. "Factors to Consider When Applying Oxidizing Biocides in the Field." In CORROSION 2002. NACE International, 2002. https://doi.org/10.5006/c2002-02223.

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Abstract Legionella pneumophila, the organism responsible for Legionnaires’ disease, is an ongoing health concern in recreational, industrial, and potable water systems. For example, Legionnaires’ disease outbreaks continue to be associated with hot tubs and spas, cooling towers, and potable hot water systems. Oxidizing biocides based on chlorine, bromine, and other chemistries are recognized as effective microbiological control agents. Many organizations within the last several years have issued standards that recommend the use of oxidizing biocides for minimizing the risk associated with suc
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Groysman, Alec, and Inna Shvarts. "Study of Efficiency of Industrial Corrosion Inhibitors for Cooling Water Systems at Oil Refining Industry." In CORROSION 2006. NACE International, 2006. https://doi.org/10.5006/c2006-06097.

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Abstract The aim of this work is to study the influence of some industrial corrosion inhibitors in the presence of biocides, biodispersants and scale inhibitors (anti-scaling agents) of four manufacturers on corrosion of mild steel (C1018) in the cooling water of the Oil Refinery. The chemistry of inhibitors investigated is based on phosphates, phosphonates, zinc and magnesium salts. Weight loss method was used for the determination of the efficiency of corrosion inhibitors. The experiments were carried out in agitated cooling water exposed to air at 25oC. The duration of the corrosion experim
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Gieg, Lisa, Mohita Sharma, Jennifer Sargent, et al. "Synergistic Effect of Biocide and Biodispersant to Mitigate Microbiologically Influenced Corrosion in Crude Oil Transmission Pipelines." In CORROSION 2020. NACE International, 2020. https://doi.org/10.5006/c2020-15090.

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Abstract Crude oil transmission pipelines are treated with chemicals to mitigate microbiologically influenced corrosion (MIC). Often such corrosion occurs at over and under bends in pipelines due to the flow regimes that allow the suspended particulate in the crude to settle. The resulting sludge, typically composed of oil, water, and sand, can be microbiologically active. For testing, sludge is collected from the nose of a cleaning pig, but the locations of sample collection are frequently remote. As such, onsite testing of the sludge can be impractical, thus samples usually travel long dista
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Maurer, Ralph C. "A Report on the Efforts to Mitigate the Effects of Microbiologically Influenced Corrosion in Emergency Diesel Generator Heat Exchangers at the Clinton Nuclear Power Station." In CORROSION 1992. NACE International, 1992. https://doi.org/10.5006/c1992-92174.

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Abstract An oxidizing biocide and an organic biodispersant-penetrant were simultaneously injected into the safe-shutdown cooling systems at the Clinton Nuclear Power Station to mitigate microbiologically influenced corrosion (MIC) of system piping and heat exchangers. The residual oxidizing power remaining as the treated water left the station was removed by the injection of a reducing agent prior to discharge of the cooling waters to the environment. A visual inspection and microbiological culturing of post-treatment samples from the pipe surfaces indicated that the chemical treatment was suc
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Philip Yu, F., L. Dewayne Ginn, William F. McCoy, and Henry Castanieto. "Cooling Tower Fill Fouling Control in a Geothermal Power Plant." In CORROSION 1998. NACE International, 1998. https://doi.org/10.5006/c1998-98529.

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Abstract Since its first introduction to the market in the 1970s, cooling tower film fill technology has significantly increased thermal performance and reduced the size of cooling towers. However, the narrow spaces between film fill sheets make them susceptible to fouling. Without proper chemical treatment, deposits can accumulate within the film fill resulting in reduced tower efficiency, increased fouling and plugging of the fill. These phenomena could eventually lead to collapse of the tower structure. This paper describes a new approach to remedy the high efficiency film fill fouling prob
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Gieg, Lisa M., Mohita Sharma, Trevor Place, Jennifer Sargent, and Yin Shen. "When Metals and Microbes Meet: Preventing Microbial Corrosion in Crude Oil Transmission Pipelines." In 2020 13th International Pipeline Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/ipc2020-9746.

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Abstract Corrosion of carbon steel infrastructure in the oil and gas industry can occur via a variety of chemical, physical, and/or microbiological mechanisms. Although microbial corrosion is known to lead to infrastructure failure in many upstream and downstream operations, predicting when and how microorganisms attack metal surfaces remains a challenge. In crude oil transmission pipelines, a kind of aggressive corrosion known as under deposit corrosion (UDC) can occur, wherein mixtures of solids (sands, clays, inorganic minerals), water, oily hydrocarbons, and microorganisms form discreet, (
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Moshtagh, Bahareh, and Kelly Hawboldt. "Production of biodispersants for oil spill remediation in Harsh environment using glycerol from the conversion of fish oil to biodiesel." In OCEANS 2014. IEEE, 2014. http://dx.doi.org/10.1109/oceans.2014.7003019.

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