Study on the thermal washing of oily sludge used by rhamnolipid/sophorolipid binary mixed bio-surfactant systems

Bao, Qinghua; Huang, Lixin; Xiu, Jianlong; Yi, Lina; Zhang, Yamiao; Wu, Bo

doi:10.1016/j.ecoenv.2022.113696

Cited by 29 publications

(7 citation statements)

References 36 publications

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“…The efficiency of trace elements is greatly affected by various factors such as soil pH, carbon content, salt content, organic matter, calcium carbonate, texture, and climatic conditions. [78][79][80] These factors significantly reduce the availability and accessibility of trace metals/nutrients in the soil and plants. Biosurfactants offer a solution by providing micronutrients to nutrient-deficient soil.…”

Section: Microbial Biosurfactants For Improved Soil Micronutrient Ava...mentioning

confidence: 99%

“…The World Health Organization classifies zinc and iron deficiencies as the fifth and sixth leading risk factors for disease in low‐income nations, respectively, highlighting their impact on human health and well‐being. The efficiency of trace elements is greatly affected by various factors such as soil pH, carbon content, salt content, organic matter, calcium carbonate, texture, and climatic conditions [78–80] . These factors significantly reduce the availability and accessibility of trace metals/nutrients in the soil and plants.…”

Section: Application Of Biosurfactantmentioning

confidence: 99%

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Prospects of Microbial Bio‐surfactants To Endorse Prolonged Conservation in the Pharmaceutical and Agriculture Industries

Karnwal

2023

ChemistrySelect

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Chemical surfactants have raised concerns due to their negative impact on ecosystems, prompting the search for ecofriendly alternatives. Biosurfactants derived from microorganisms offer a promising solution. These biomolecules are less harmful and can replace toxic pesticide surfactants. Biosurfactants have shown potential in agriculture for food digestion, crop protection, soil fertility, disease management, antibacterial properties, and biofilm prevention. They eliminate plantpathogens and improve nutrient availability, supporting plantgrowth. Rhamnolipids, produced by Pseudomonas, reduce surface tension, are used as wetting agents and emulsifiers in agriculture, and antimicrobial and anti-inflammatory medications. Surfactin, a biosurfactant from Bacillus subtilis, improves plant development, controls plant diseases, and fights pathogens and diseases. Candida bombicola yeast produces sopho-rolipids, biodegradable surfactants with antibacterial, anticancer, and anti-inflammatory properties. Pseudozyma yeast produces mannosylerythritol lipids (MELs), which biocontrol fungus and have antibacterial, anticancer, and immunomodulatory activities. Biosurfactants also hold potential in pharmaceuticals, functioning as antioxidants, exhibiting antibacterial and anticancer activities, and acting as drug-delivery systems. However, challenges in biosurfactant production include varying research methods, limited production organism sources, and cost implications for large-scale manufacturing. This minireview explores microbiologically produced biosurfactants, their regulatory parameters, their applications in optimizing soil health and controlling plant infections, and their potential roles in the pharmaceutical sector.* Ability to tolerate high temperatures, * Ability to tolerate variation in pH, * Ability to tolerate saline environment, * Biodegradable character, * Low or non-toxic nature, and * Effective selectivity.Generally, biosurfactants are amphipathic molecules characterized by hydrophobic and hydrophilic components. Generally, the hydrophobic component consists of a very long chain of fatty acids connected. The hydrophilic component comprises positively, negatively, or amphoterically charged ions. In contrast to their chemical analogs, biosurfactants are often categorized by their CMC concentration, low or high molecular weight, the microorganism type that produce biosurfactant, and their mode of action. Low molecular weight biosurfactants are most frequently reported as glycolipids, phospholipids, and [a]

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Section: Microbial Biosurfactants For Improved Soil Micronutrient Ava...mentioning

confidence: 99%

Section: Application Of Biosurfactantmentioning

confidence: 99%

Prospects of Microbial Bio‐surfactants To Endorse Prolonged Conservation in the Pharmaceutical and Agriculture Industries

Karnwal

2023

ChemistrySelect

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“…Whether or not oil sludge causes pollution depends on some factors, many of which have to do with its composition and physical characteristics. The processing technique is determined by the consistency of the oil sludge and the organic matter, mechanical impurities, and water content [69][70][71].…”

Section: ■ Applications Of Oil Sludgementioning

confidence: 99%

An Overview of the Current State and Prospects for Oil Recovery from Oily Sludge

et al. 2022

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Oily sludge is a solid emulsified waste created by the petroleum industry. Solid particles, crude oil, and water comprise most of their composition. Because it contains high concentrations of cycloalkanes, benzene series, polycyclic aromatic hydrocarbons, and other harmful and hazardous substances, it poses a severe risk to human health and the environment. It must be treated to reduce its toxicity. However, crude oil is a significant component of oily sludge and has a high recycling value. As a result, numerous procedures for extracting crude oil from oily sludge have been developed, including solvent extraction, pyrolysis, centrifugation, ultrasonic treatment, electronic treatment, flotation, supercritical treatment, and combination processes. The primary purpose of this review is to describe the evolution of various recycling technologies and to compare their benefits, drawbacks, and ways of action. This concept is expected to be the cornerstone for future recycling technology development.

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“…At this stage, the commonly used methods at home and abroad mainly include solvent extraction, mechanical centrifugation, surfactant cleaning, pyrolysis, ultrasonic emulsion breaking, supercritical state separation, and processing, etc. [3] , [18] , [20] , [30] . However, these methods are inefficient and reveal drawbacks such as high energy consumption and long processing cycles.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of nano-β-CD@Fe3O4 magnetic material and its application in ultrasonic treatment of oily sludge

Song

Weiru

et al. 2023

Ultrasonics Sonochemistry

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Study on the thermal washing of oily sludge used by rhamnolipid/sophorolipid binary mixed bio-surfactant systems

Cited by 29 publications

References 36 publications

Prospects of Microbial Bio‐surfactants To Endorse Prolonged Conservation in the Pharmaceutical and Agriculture Industries

Prospects of Microbial Bio‐surfactants To Endorse Prolonged Conservation in the Pharmaceutical and Agriculture Industries

An Overview of the Current State and Prospects for Oil Recovery from Oily Sludge

Synthesis of nano-β-CD@Fe3O4 magnetic material and its application in ultrasonic treatment of oily sludge

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