scholarly journals Insights into the mechanism of concomitant nucleation of form II and ethanol solvate of spironolactone in cooling crystallization

RSC Advances ◽  
2018 ◽  
Vol 8 (18) ◽  
pp. 9697-9706 ◽  
Author(s):  
Lihong Jia ◽  
Qiuxiang Yin ◽  
Lina Zhou ◽  
Xia Zhang ◽  
Chang Wang ◽  
...  
Keyword(s):  
Cooling Crystallization ◽  
Ethanol Solvate ◽  
Thermodynamic Factors

Kinetic and thermodynamic factors were studied to understand the concomitant nucleation of form II and ethanol solvate of spironolactone.

GREEN refining technology

2015 ◽  
pp. 508-514 ◽  
Author(s):  
Craig Jensen ◽  
David Love
Keyword(s):  
Environmentally Friendly ◽  
Step Change ◽  
Energy Usage ◽  
Capital Equipment ◽  
Green Is ◽  
Cooling Crystallization ◽  
Sugar Refinery

The objective of this paper is to describe a “step-change” in refining technology being proposed by Tongaat Hulett. This patented technology is termed “GREEN” Refining Technology, where “GREEN” is an acronym for “Greatly Reduced Energy and Equipment Needs”. The name attempts to encapsulate the “environmentally friendly” benefits of reduced energy usage whilst also emphasising the major savings in both energy and capital equipment requirements of the technology. GREEN refining technology aims to substantially (and ultimately totally) replace evaporating crystallization with cooling crystallization in a sugar refinery.

scholarly journals Study on Dissolution Thermodynamics and Cooling Crystallization of Rifamycin S

ACS Omega ◽  
2021 ◽  
Vol 6 (5) ◽  
pp. 3752-3762
Author(s):  
Kui Chen ◽  
Jianing Guo ◽  
Yanyang Wu ◽  
Zizhong Yang ◽  
Bin Wu ◽  
...  
Keyword(s):  
Cooling Crystallization ◽  
Dissolution Thermodynamics

Elusive Seed Formation via Electrical Confinement: Control of a Novel Cocrystal in Cooling Crystallization

2021 ◽  
Author(s):  
Aneesa J Al-Ani ◽  
Posy Sugden ◽  
Chick C Wilson ◽  
Bernardo Castro-Dominguez
Keyword(s):  
Seed Formation ◽  
Cooling Crystallization

scholarly journals A novel recyclable furoic acid-assisted pretreatment for sugarcane bagasse biorefinery in co-production of xylooligosaccharides and glucose

2021 ◽  
Vol 14 (1) ◽  
Author(s):  
Lin Dai ◽  
Tian Huang ◽  
Kankan Jiang ◽  
Xin Zhou ◽  
Yong Xu
Keyword(s):  
Enzymatic Hydrolysis ◽  
Sugarcane Bagasse ◽  
Production Cost ◽  
Solid Loading ◽  
Fed Batch ◽  
Acid Pretreatment ◽  
Furoic Acid ◽  
Cooling Crystallization ◽  
Mineral Acids ◽  
Hydrolysis Of

Abstract Background Pretreatment is the key step for utilizing lignocellulosic biomass, which can extract cellulose from lignin and disrupt its recalcitrant crystalline structure to allow much more effective enzymatic hydrolysis; and organic acids pretreatment with dual benefic for generating xylooligosaccharides and boosting enzymatic hydrolysis has been widely used in adding values to lignocellulose materials. In this work, furoic acid, a novel recyclable organic acid as catalyst, was employed to pretreat sugarcane bagasse to recover the xylooligosaccharides fraction from hemicellulose and boost the subsequent cellulose saccharification. Results The FA-assisted hydrolysis of sugarcane bagasse using 3% furoic acid at 170 °C for 15 min resulted in the highest xylooligosaccharides yield of 45.6%; subsequently, 83.1 g/L of glucose was harvested by a fed-batch operation with a solid loading of 15%. Overall, a total of 120 g of xylooligosaccharides and 335 g glucose could be collected from 1000 g sugarcane bagasse starting from the furoic acid pretreatment. Furthermore, furoic acid can be easily recovered by cooling crystallization. Conclusion This work put forward a novel furoic acid pretreatment method to convert sugarcane bagasse into xylooligosaccharides and glucose, which provides a strategy that the sugar and nutraceutical industries can be used to reduce the production cost. The developed process showed that the yields of xylooligosaccharides and byproducts were controllable by shortening the reaction time; meanwhile, the recyclability of furoic acid also can potentially reduce the pretreatment cost and potentially replace the traditional mineral acids pretreatment.

Dependence of Diffusion Paths on Thermodynamic Factors in Ternary Systems

2008 ◽  
Vol 277 ◽  
pp. 119-124 ◽  
Author(s):  
Ü. Ugaste ◽  
J. Priimets ◽  
Tony Laas
Keyword(s):  
Approximate Equation ◽  
Ternary Systems ◽  
Diffusion Path ◽  
Tracer Diffusion ◽  
Diffusion Paths ◽  
Slope Function ◽  
Experimental Values ◽  
The Impact ◽  
Tracer Diffusion Coefficients ◽  
Thermodynamic Factors

The impact of thermodynamic factors on deviation from linearity of diffusion path in the ternary system Cu-Fe-Ni is analyzed. For that the slope function of the diffusion path for the diffusion couples 65Ni30Cu5Fe –29.5Ni16.5Cu54Fe, 49.5Ni50.5Fe – 51Ni49Cu and 84Cu16Ni – 50Ni50Fe, annealed at 1000°C for 196h, were calculated by an approximate equation using only thermodynamic data. Results of the calculation were compared with the values of the slope function obtained directly from experimental data. It is shown that despite of the fact that the tracer diffusion coefficients of the components in the system Cu-Fe-Ni are not equal the coincidence between the calculated and experimental values of the slope function is remarkable. This allows us to conclude that at least in this case the deviation of the diffusion path from linearity depends mainly on the thermodynamic properties of the system.

Influence of Thermodynamic Factors on Growth of $\bf AlAs_{1-{\ninmbi x}}Sb_{\ninmbi x}$ Alloys

1994 ◽  
Vol 33 (Part 2, No. 10A) ◽  
pp. L1370-L1373 ◽  
Author(s):  
Wei-Kuo Chen ◽  
Ming-Ta Chin
Keyword(s):  
Thermodynamic Factors
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