A novel microbial-assisted method for sodium bicarbonate production – Cleaner production, safe and facile synthesis

Fahmi, Ahmad; Ahmadi, Raman; Memar, Mohammad Yousef; Hemmati, Salar; Babakhani, Samira; Kafil, Hossein Samadi; Katebi, Hooshang; Haghighatara, Samira

doi:10.1016/j.psep.2022.05.070

Cited by 5 publications

(1 citation statement)

References 22 publications

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“…Cone penetration tests and other in-situ methods may be able to determine whether or not huge areas of sand are improved by microbially induced carbonate precipitation. In addition to the loading settings (such as tri-axial pressure circumstances and unconstrained compression circumstances) studied in microbial driven bicarbonate precipitation experiments [14], soil elements may also be subjected to k0 stress circumstances when in situ methods are applied (e.g. located at the exact center of a massive foundation).…”

Section: Fig 4 Bio-asphalt Preparation Parametersmentioning

confidence: 99%

Engineering, Structural Materials and Biomaterials: A Review of Sustainable Engineering Using Advanced Biomaterials

Kim,

Lee

2023

JMC

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This paper introduces the state-of-the-art biomaterials that may be used to build in a way that is both environmentally friendly and long-term. Concrete, polymers, admixtures, asphalt, and soils are all examples of these materials. It is only because of natural selection that biomaterials may have desirable characteristics that would otherwise be impossible. They are known for characteristics that cannot be replicated in a laboratory setting. These characteristics develop throughout time and by natural means. Biomaterials' naturally occurring characteristics are ideal for meeting the demands of the building industry. Biomaterials having negligible or very negligible linear coefficients of thermal expansion may be utilized in different building applications. They aid in the reduction of internal strains because to their resistance to any change in length brought on by variations in temperature. Biomaterials have various benefits over synthetic materials, including lower production costs and less of an impact on the environment. Use of biodegradable materials may help alleviate the environmental problem caused by the dumping of synthetics. Cracks in the concrete are patched by the live bacteria inside it, making the material stronger.

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Section: Fig 4 Bio-asphalt Preparation Parametersmentioning

confidence: 99%

Engineering, Structural Materials and Biomaterials: A Review of Sustainable Engineering Using Advanced Biomaterials

Kim,

Lee

2023

JMC

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Microstructure and performances of rigid polyurethane foam prepared using double‐effect baking powder as a foaming agent

Cheng,

Zhang,

Liu

et al. 2024

Polymer Engineering & Sci

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The preparation of rigid polyurethane foam with uniform pore size is extremely challenging. In this work, double‐effect baking powder was used as foaming agent, and rigid polyurethane foam with regular morphology was successfully prepared through semi‐prepolymerization. The rigid polyurethane foam apertures with regular morphology were controlled by the secondary release of CO2 when the content of baking powder is 0.30 part. Combined with theoretical calculation and experimental test, it is found that the particle size distribution, wall thickness, and hole shape are uniform, regular, thin, polygonal, and few broken holes. The compression strength, contact angle, and surface energy of the rigid polyurethane foam are 33.36 kPa, 109.6°, and 21.8 mJ/m2 after adding 0.20 part of double‐effect baking powder, respectively. By adjusting the amount of double‐acting baking powder, the porosity, mechanical properties and foam rate of the polyurethane foams could be significantly improved. Due to the molecular solvation effect, rigid polyurethane foams will deform in the water and oil due phase, but it can remain stable for a long time at room temperature without solvent. It provides a new method for the preparation of rigid polyurethane foam, which is expected to be widely used in transportation and other fields.Highlights Baking powder was firstly used as a foaming modifier for rigid polyurethane. Baking powder releases CO2 twice to ensure uniform structure of polyurethane cell. Rigid polyurethane foam has long‐term stability and regular, uniform cell holes. The porosity and mechanical properties of foams could be significantly improved. Foaming mechanism of rigid polyurethane using baking powder was firstly revealed.

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Development and experimental investigation of a new direct urea fuel cell

Meke,

Dincer

2024

International Journal of Hydrogen Energy

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A novel microbial-assisted method for sodium bicarbonate production – Cleaner production, safe and facile synthesis

Cited by 5 publications

References 22 publications

Engineering, Structural Materials and Biomaterials: A Review of Sustainable Engineering Using Advanced Biomaterials

Engineering, Structural Materials and Biomaterials: A Review of Sustainable Engineering Using Advanced Biomaterials

Microstructure and performances of rigid polyurethane foam prepared using double‐effect baking powder as a foaming agent

Development and experimental investigation of a new direct urea fuel cell

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