Biodegradation of Propylene Glycol Wastewater Using Bacterial Consortia Isolated from Municipal Wastewater Treatment Sludge–Process Kinetics and Optimization

Udaykumar, R.; Srinivas, Nimmagadda; Jegadeesan, Gautham B.

doi:10.1007/s11270-020-04657-0

Cited by 4 publications

(4 citation statements)

References 34 publications

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“…This solution makes it possible to obtain 1,2-propanediol from 100% renewable raw materials. 92 The solutions developed under patents have similar process parameters, temperature in the range 190−250 °C, and pressure of 4−16 MPa. In most cases, potassium, sodium, or calcium hydroxides are used to improve catalytic properties.…”

Section: Alcohols In Patent Literaturementioning

confidence: 99%

“…Furthermore, microorganism-driven (bacterium MC1S) biodegradation processes of 1,2-propanediol are available. 92 ■ ECONOMIC SUSTAINABILITY OF…”

Section: Productionmentioning

confidence: 99%

“…The process consists of three steps of hydrogenation, hydrogenolysis, and reforming of glycerol to obtain the hydrogen used in steps 1 and 2. This solution makes it possible to obtain 1,2-propanediol from 100% renewable raw materials . The solutions developed under patents have similar process parameters, temperature in the range 190–250 °C, and pressure of 4–16 MPa.…”

Section: Hydrogenolysis Of Saccharides and Sugar Alcohols In Patent L...mentioning

confidence: 99%

“…Most of the raw materials and side products encountered in 1,2-propanediol production are characterized by low vapor pressure and high water solubility, which result in a short residence time in the atmosphere and the environment, , and they are considered safe and used without considerable restrictions. Furthermore, microorganism-driven (bacterium MC1S) biodegradation processes of 1,2-propanediol are available …”

Section: Environmental Impact 12-propanediol Productionmentioning

confidence: 99%

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New Trends and Perspectives in Production of 1,2-Propanediol

Główka

Krawczyk

2023

ACS Sustainable Chem. Eng.

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The production of 1,2-propanediol is a significant challenge for the chemical industry due to the increasing demand for this versatile product and the pro-ecological regulatory actions. The traditional method of producing this compound through the hydrolysis of petroleum-derived 1,2-epoxypropane (propylene oxide) is energy intensive, and sustainable routes based on renewable raw materials are becoming more attractive. This perspective presents the current state of scientific and patent literature on the production of 1,2-propanediol and the implementation of new technologies by leading companies. This perspective also discusses alternative pathways, including glycerol hydrogenolysis and biotechnological methods, highlighting their potential to reduce energy consumption and lower the carbon footprint of the process. The focus is on modern methods, including chromium-free catalytic systems for glycerol hydrogenolysis, in situ hydrogen generation, and multifunctional catalysts for saccharides hydrolysis and hydrogenolysis. Biobased 1,2-propanediol produced from renewable alternative raw materials has great potential to replace traditional petroleum-derived 1,2-propanediol with substantial environmental and economic benefits.

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Section: Alcohols In Patent Literaturementioning

confidence: 99%

“…Furthermore, microorganism-driven (bacterium MC1S) biodegradation processes of 1,2-propanediol are available. 92 ■ ECONOMIC SUSTAINABILITY OF…”

Section: Productionmentioning

confidence: 99%

Section: Hydrogenolysis Of Saccharides and Sugar Alcohols In Patent L...mentioning

confidence: 99%