Techno-economic analysis of vanillin production from Kraft lignin: Feasibility study of lignin valorization

2020 ◽  
Vol 299 ◽  
pp. 122559 ◽  
Author(s):  
Nawaporn Khwanjaisakun ◽  
Suksun Amornraksa ◽  
Lida Simasatitkul ◽  
Pongtorn Charoensuppanimit ◽  
Suttichai Assabumrungrat
Author(s):  
Chad Wheeley ◽  
Pedro J. Mago

This paper considers combined heat and power (CHP) systems based on topping cycles only, in which electricity is generated by a prime mover and heat is then recovered from the exhaust and utilized to offset all or a portion of the facility’s process and/or space heating requirements.. The objective of this paper is to develop a methodology to perform a topping cycle CHP assessment and feasibility study for industrial manufacturing facilities. In order to determine the best and most viable option for the facility in question, the proposed methodology can be used to size different systems which utilize diverse technologies and fuel sources, perform an economic analysis of each proposed option, and then compare the benefits and setbacks of each type of CHP system considered. The calculations performed in the economic analysis will then provide a broad insight as to which proposed system will show the best payback if installed. Examples are presented in this paper that describe in detail the application of this methodology, from equipment selection and sizing through economic analyses and proposed system comparisons, which is recommended for use in order to determine the most economically feasible CHP system for an industrial manufacturing facility.


Processes ◽  
2020 ◽  
Vol 8 (9) ◽  
pp. 1108
Author(s):  
Shubhankar Bhattacharyya ◽  
Leonidas Matsakas ◽  
Ulrika Rova ◽  
Paul Christakopoulos

A shift towards an economically viable biomass biorefinery concept requires the use of all biomass fractions (cellulose, hemicellulose, and lignin) for the production of high added-value products. As lignin is often underutilized, the establishment of lignin valorization routes is highly important. In-house produced organosolv as well as commercial Kraft lignin were used in this study. The aim of the current work was to make a comparative study of thermoplastic biomaterials from two different types of lignins. Native lignins were alkylate with two different alkyl iodides to produce ether-functionalized lignins. Successful etherification was verified by FT-IR spectroscopy, changes in the molecular weight of lignin, as well as 13C and 1H Nuclear Magnetic Resonance (NMR). The thermal stability of etherified lignin samples was considerably improved with the T2% of organosolv to increase from 143 °C to up to 213 °C and of Kraft lignin from 133 °C to up to 168 °C, and glass transition temperature was observed. The present study shows that etherification of both organosolv and Kraft lignin with alkyl halides can produce lignin thermoplastic biomaterials with low glass transition temperature. The length of the alkyl chain affects thermal stability as well as other thermal properties.


2020 ◽  
Vol 164 ◽  
pp. 1536-1544
Author(s):  
Davi Rabelo de Oliveira ◽  
Francisco Avelino ◽  
Selma Elaine Mazzetto ◽  
Diego Lomonaco

1980 ◽  
Vol 19 (4) ◽  
pp. 489-496 ◽  
Author(s):  
Russell A. Buchanan ◽  
Fleix H. Otey ◽  
G. Earie Hamerstrand

Desalination ◽  
2017 ◽  
Vol 404 ◽  
pp. 167-181 ◽  
Author(s):  
Alexander Christ ◽  
Bijan Rahimi ◽  
Klaus Regenauer-Lieb ◽  
Hui Tong Chua

2018 ◽  
Vol 20 (13) ◽  
pp. 2959-2966 ◽  
Author(s):  
Eric M. Krall ◽  
Eric M. Serum ◽  
Mukund P. Sibi ◽  
Dean C. Webster

Indulin AT Kraft lignin has been chemically modified without a catalyst by reaction with t-butyl acetoacetate.


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