Inhibition of microbial colonization of shipboard fuel systems. by Eric Thomas Wycislik

Cover of: Inhibition of microbial colonization of shipboard fuel systems. | Eric Thomas Wycislik

Published by University of Aston. Department of Biological Sciences in Birmingham .

Written in English

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Thesis (Ph.D.) - University of Aston in Birmingham 1982.

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Open LibraryOL13773738M

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Inhibition of microbial colonization of shipboard fuel systems Author: Wycislik, Eric : Eric T. Wycislik. Inhibition of microbial colonization of shipboard fuel systems. By E Wycislik. Abstract. SIGLEAvailable from British Library Document Supply Centre- DSC:D/82 / BLDSC - British Library Document Supply CentreGBUnited Kingdo Topics: 06F - Ecology Author: E Wycislik.

(Naval Ship Systems Command) Washington, D.C. ABSTR ACTr Problems of corrosive fuels, as well as corrosion of metals, from marine sulfate-reducing bacteria in shipboard fuel tanks continue to plague the Navy.

We have sought a solutionthrough finding a toxicant which can be added to the ballast or displacement waterCited by: 4. The research on fuel and fuel system biodeterioration over the past 30 years are reviewed.

Fuels and fuel systems are vulnerable to biodeterioration. Biofilm communities are the primary cause of fuel system biodeterioration. Multi-parameter condition monitoring will improve biodeterioration modeling. Microbial control: remove water, clean surfaces and treat with by: Microbial Contamination in Petroleum Products.

Microorganisms will degrade fuels and fuel systems if left unchecked. Microbial contamination of fuel is caused by two main groups of microorganisms, bacteria and fungi. These bacteria and fungi require two things to thrive, food and water. In a fuel oil storage tank their ‘food ’ is the Size: KB.

Microbial Colonization of Laparoscopic Gas Delivery Systems: A Qualitative Analysis Douglas E. Ott, MD ABSTRACT Objective: Laparoscopic procedures utilize a pneu-moperitoneum to distend and separate the abdominal wall from the intra-abdominal structures.

Carbon dioxide is commonly used for this purpose, although this study is. ship class DDG was 56 million dollars per year and for the entire US Navy surface fleet was calculated to be – million dollars (Schultz et al., ).

The deleterious effects arise from microbial biofilm formation, often followed by successional colonization by a variety of macrofouling organisms. To-date, effective prevention strategies have primarily relied upon antimicrobial agents that usually show toxicity against non-target by: 1 1 MICROBIAL CONTAMINATION CONTROL IN FUELS AND FUEL SYSTEMS SINCE - A REVIEW 2 Microbial Contamination Control in Fuels and Fuel Systems Since – A Review 3 F.

Passman 4 Biodeterioration Control Associates, PO BoxPrinceton, New Jersey,USA, [email protected] 5 Abstract 6 Although the documentation of fuel biodeterioration File Size: 1MB. Fuel System Maintenance. The best way to prevent microbial growth in fuel is to lessen the exposure of the diesel fuel to water.

There are various procedures that can do this such as recycling of fuel through water separations and routinely discharging the water bottoms where the microbes grow.

Inhibition of microbial colonization of shipboard fuel systems. book submitted to Systems Microbiology should address experimental and theoretical aspects of the wider field of Systems Microbiology; in particular, they should i) address and advance biological or technical challenges to data collection, storage and processing, and ii) provide towards progress in the development of standards for the exchange and communication of these data obtained from existing.

Microbial Contamination of Diesel Fuel: Impact, Causes and Prevention General There is an interesting paradox regarding the microbial contamination of diesel fuels.

Numerous papers, symposia and other reports have thoroughly documented the adverse impact of microbial contamination in diesel fuels. A variety of products and procedures are. One of the most widely used strategies to prevent bacterial colonization on a surface is via a persistent release of an antibacterial agent from the surface, which kills bacteria in the vicinity of the surface.

For this method, an inherent challenge is to design the coating to release the antibacterial agent at the desired rate and for the desired period. Marine biofilms easily colonize man-made surfaces, accelerating corrosion (Little et al., ), biofouling (Cao et al., ), and may even influence the buoyance of polyethylene plastic (Lobelle and Cunliffe, ).Together with diatoms and other microorganisms, bacteria are responsible for microfouling, allowing the adhesion of larger organisms such as algae, mussels and barnacles which Cited by: Microbial infestation degrades the oil and leads to formation of acids and sludge, metal staining, deposits and serious corrosion.

When the microbes reproduce they tend to generate slime and eggs, which when rot gives out foul smell in the form of hydrogen suphide. Guidelines for the Investigation of the Microbial Content of Petroleum Fuels and for the Implementation of Avoidance and Remedial Strategies on *FREE* shipping on qualifying offers.

Guidelines for the Investigation of the Microbial Content of Petroleum Fuels and for the Implementation of Avoidance and Remedial StrategiesFormat: Hardcover. With fouling, more fuel is consumed to compensate for the increase in drag as the ship moves through the water.

Regularly cleaning ships' hulls is the solution to this challenge, but this approach Author: Sergey Dobretsov. diesel, corresponding to increasingly heavy petroleum fractions. The fuel that presents the most serious microbiological problems is diesel. The many microorganisms that have been isolated from hydrocarbon fuel systems are listed.

The conditions required for microbial growth and the methods used to monitor and to control this activity are. The use of microbial fuel cells is still not optimized, and the level of electric current generated by such systems is low, but the potential for such systems is great. For example, if a microbial fuel cell were to reduce carbon dioxide to make electricity, not only would there be a renewable source of fuel, but the excess carbon dioxide put into the atmosphere by burning fossil fuels could be used.

A microbial fuel cell (MFC) is a bio-electrochemical system that drives an electric current by using bacteria and a high-energy oxidant such as O 2, mimicking bacterial interactions found in can be grouped into two general categories: mediated and unmediated.

The first MFCs, demonstrated in the early 20 th century, used a mediator: a chemical that transfers electrons from the. The timing of colonization matters because the immune system receives its microbial programming during the early neonatal period.

Cesarean delivery results in delayed colonization, that is, a longer period after birth with fewer microbes and less by: Purified Enzymes and Inhibition by Lethal Olefins E.

Jet Fuel Contamination by Metabolic Products Formed by Microorganisms 1. Eaulsions a. Fractionation of D ayGrowth Media and Character-ization of the Fractions b.

Emulsion Formation by Strain on Purified Hydrocarbons c. Emulsion of JP-4 Fuel by Hydrocarbons, Alchols,Cited by: 1. to preventing microbial colonization of surfaces by this alternative strategy. For example, while ship hulls constantly amass layers of algae and other microorganisms, materials with topographical features mimicking the skin of sharks have shown increased resistance to.

Nature provides some clues to preventing microbial colonization of surfaces by this alternative strategy. For example, ship hulls constantly amass layers of algae and crustaceans.

Yet materials with topographical features mimicking the skin of sharks have shown increased resistance to marine biofouling at certain length scales [ 22 ].Cited by: Microbial fuel cells (MFCs) are bioelectrochemical devices that produces electric power while treating wastewaters.

These unique systems relies on the ability of certain electroactive bacteria to. Colonization of intake cooling water systems by fouling organisms is a major concern for industries, power and desalination plants.

Biofouling can result in increased risk of operational problems. Microbial corrosion is one amclI lg the many forms of corrosion that contributes to substantial losses to the economy.

This is an interdi~. ciplinary subject, which requires at least a basic ull derstanding in the field of microbiology, chemistr). biochemistry and metallurgy.

By definition, it refe, " to the degradationFile Size: 2MB. Recent studies have revealed microbial communities that colonize intestinal crypts of conventional mice in the absence of disease 23 and we have shown that B.

fragilis occupies the colonic crypts of mono-associated mice Discovering a role for ccf genes near mucosal tissue led us to explore the intriguing hypothesis that the CCF system mediates crypt by: Microbial growth is seen as a characteristic sludge formed from accumulated cellular material which may restrict fuel and lubricant pipelines and filters.

Microbial infestation degrades the oil and leads to the formation of acids and sludge, metal staining, deposits and serious corrosion.

Ballambattu Vishnu Bhat, Selvaraj Manoj Kumar Kingsley, in Immunity and Inflammation in Health and Disease, Microbiome in Shaping the Newborn Immune System. Microbial colonization of infant microbiota begins at birth and it depends largely on the transfer of maternal microbiota during delivery.

Due to several factors like maternal antibiotic usage, invasive procedures at birth. At the microbial level, biochar has been used to support cell immobilization and microbial growth in AD system. The substantial specific surface area (SSA) and porous structure of biochar favor the colonization of syntrophic acetogenic bacteria and methanogenic archaea, which facilitate the total organic carbon removal as well as the reaction Cited by: 4.

The hypothetical colonization of Mars has received interest from public space agencies and private corporations, and has received extensive treatment in science fiction writing, film, and art.

Organizations have proposed plans for a human mission to Mars, the first step towards any colonization effort, but no person has set foot on the planet. However, landers and rovers have successfully explored the. Bacterial surface fouling is problematic for a wide range of applications and industries, including, but not limited to medical devices (implants, replacement joints, stents, pacemakers), municipal infrastructure (pipes, wastewater treatment), food production (food processing surfaces, processing equipment), and transportation (ship hulls, aircraft fuel tanks).

One method to combat bacterial Cited by: Botanicare HGC Liquid Karma Enhancer Supplement, Promotes Increased Microbial Colonization Relieves Plant Stress, Encourages Growth, Add to Water Or As A Spray, 1-Quart Botanicare BCPBPGQT Pure Blend Pro Grow Soil Hydroponic Nutrient Fertilizer, 1-Quart/5(31).

Foul release coatings were first used on vessels in the early s, but despite early excitement about the technology, they have had a prolonged modest market share due to high cost and poorer performance when compared to biocidal marine coatings.

Recently, these coatings are experiencing a renaissance. Accelerated progress based on nanochemistry has enabled the synthesis of ecofriendly Cited by: Seventy-two samples from jet aircraft fuel systems were examined for microbial contamination.

Ten contaminated samples yielded 43 microorganisms which were classified into nine genera of bacteria and three genera of fungi. The predominant types, comprising about 37% of the isolated cultures, were identified as Bacillus spp.

The remaining Cited by: Cancer and inflammation. An association between the development of cancer and inflammation has long-been appreciated [4,5].The inflammatory response orchestrates host defenses to microbial infection and mediates tissue repair and regeneration, which may occur due to Cited by: The system components act as a second (internal) resistor, R int, which can be con-sidered to be in series with the external resistor.

The maximum system power generation, P, often normalized by the surface area of the anode, var-ies inversely with the total resistance of the system MICROBIAL FUEL CELLS— Challenges and Applications. Microbial Fuel Cells 1. Introduction Microbial fuel cell (MFC) is one choice that has received attention as alternative energy in directly generating electricity from organic matters.

A microbial fuel cell is a bioreactor that converts chemical energy in the chemical bonds in organic compounds to electrical. The microbial consumption of hydrogen gas (H 2) surround- ing the cathode, produced electrochemically by reduction of protons with electrons derived from iron oxidation, can also stimulate.

1. INTRODUCTION. Obesity is a major public health concern affecting both the developed and the developing world. The obesity epidemic started to grow in US in the s, with values rising from % obese adults in – to % in – [].Inthe World Health Organization (WHO) together with national Ministries of Health agreed to tackle obesity worldwide, but Cited by: Diesel bug is contamination of diesel fuel by microbes such as bacteria and fungi.

Water can get into diesel fuel as a result of condensation, rainwater penetration or adsorption from the air — modern biodiesel is especially presence of water then encourages microbial growth which either occurs at the interface between the oil and water or on the tank walls, depending on.Microbiological contamination in aircraft fuel tanks Microbiological contamination of fuels can cause major problems for aircraft operational use.

The most common problems are corrosion of metallic structures, fuel quantity indication problems, blockade of scavenge system and fuel .

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