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Sustainable Chemical Processes

  2043-7129

 

 

 

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High performance green barriers based on nanocellulose
- 2014
Sandeep S. Nair, Jiaqing Zhu, Yulin Deng, Arthur J. Ragauskas
Abstract With the increasing environmental concerns such as sustainability and end-of-life disposal challenges, materials derived from renewable resources such as nanocellulose have been strongly advocated as potential replacements for packaging materials. Nanocellulose can be extracted from various plant resources through mechanical and chemical ways. Na...... hiện toàn bộ
Recent developments in maleic acid synthesis from bio-based chemicals
Tập 3 Số 1 - 2015
Robert Wojcieszak, Francesco Santarelli, Sébastien Paul, Franck Dumeignil, Fabrizio Cavani, Renato V. Gonçalves
Experimental and modelling studies on the uncatalysed thermal conversion of inulin to 5-hydroxymethylfurfural and levulinic acid
- 2015
Boy Arief Fachri, Ria M. Abdilla, Carolus Borromeus Rasrendra, Hero Jan Heeres
Environmental assessment of residues generated after consecutive acid-base pretreatment of sugarcane bagasse by advanced oxidative process
Tập 1 - Trang 1-10 - 2013
Ivy dos Santos Oliveira, Anuj K Chandel, Messias Borges Silva, Silvio Silvério da Silva
Biofuels produced from sugarcane bagasse (SB) have shown promising results as a suitable alternative of gasoline. Biofuels provide unique, strategic, environmental and socio-economic benefits. However, production of biofuels from SB has negative impact on environment due to the use of harsh chemicals during pretreatment. Consecutive sulfuric acid-sodium hydroxide pretreatment of SB is an effective...... hiện toàn bộ
Enzyme promiscuity: using the dark side of enzyme specificity in white biotechnology
Tập 2 - Trang 1-9 - 2014
Benu Arora, Joyeeta Mukherjee, Munishwar Nath Gupta
Enzyme promiscuity can be classified into substrate promiscuity, condition promiscuity and catalytic promiscuity. Enzyme promiscuity results in far larger ranges of organic compounds which can be obtained by biocatalysis. While early examples mostly involved use of lipases, more recent literature shows that catalytic promiscuity occurs more widely and many other classes of enzymes can be used to o...... hiện toàn bộ
Development of a sustainable process for the production of polymer grade lactic acid
Tập 2 - Trang 1-8 - 2014
Susmit S Bapat, Clint P Aichele, Karen A High
Lactic acid is a commonly occurring substance in nature, ranging from existence in micro-organisms to the human body. Traditionally, lactic acid has applications in industries such as food, chemicals, pharmaceuticals and textiles. In this work, a sustainable process for the production of polymer grade lactic acid (99 wt. % on dry basis) from crude lactic acid was simulated. The simulation was perf...... hiện toàn bộ
Carbamoylation of primary, secondary and aromatic amines by dimethyl carbonate in a flow system over solid catalysts
Tập 3 - Trang 1-7 - 2015
Magdalena Litwinowicz, Jacek Kijeński
Carbamate esters represent an important class of organic compounds which find wide application in chemical industry. Classical procedures for the preparation of carbamates are based on the reaction with a very risky compound - phosgene or phosgene derivatives. A phosgene-free flow-system synthesis of eight carbamates in the reaction of various amines with dimethyl carbonate has been presented. The...... hiện toàn bộ
Isolation, purification and characterization of Trichothecinol-A produced by endophytic fungus Trichotheciumsp. and its antifungal, anticancer and antimetastatic activities
Tập 2 - Trang 1-9 - 2014
Ravindra Taware, Prasad Abnave, Deepak Patil, Pattuparambil Ramanpillai Rajamohananan, Remya Raja, Gowrishankar Soundararajan, Gopal Chandra Kundu, Absar Ahmad
A total of 30 endophytic fungi (AAP-PS 1–30) were isolated from the medicinal herb Phyllanthus amarus and screened for the production of Trichothecinol-A. Out of all the endophytic strains screened for Trichothecinol-A production, the culture filtrate of AAP-PS-1 extracted with ethyl acetate yielded Trichothecinol-A extracellularly in appreciable amounts. Trichothecinol-A was purified, quantified ...... hiện toàn bộ
Facile approach for the synthesis of rivaroxaban using alternate synthon: reaction, crystallization and isolation in single pot to achieve desired yield, quality and crystal form
Tập 3 - Trang 1-12 - 2015
Anil C Mali, Dattatray G Deshmukh, Divyesh R Joshi, Hitesh D Lad, Priyank I Patel, Vijay J Medhane, Vijayavitthal T Mathad
An efficient and high yielding process for the production of impurity free rivaroxaban (1), an anti-coagulant agent using alternate synthon is reported. The key components of the process involve; synthesis of 4-(4-aminophenyl)-3-morpholinone (5) using easily available inexpensive nitro aniline (17), condensation of 4-{4-[(5S)-5-(aminomethyl)-2-oxo-1,3-oxazolidin-3-yl]phenyl}morpholin-3-one hydroch...... hiện toàn bộ
Combined sodium hydroxide and ammonium hydroxide pretreatment of post-biogas digestion dairy manure fiber for cost effective cellulosic bioethanol production
Tập 2 - Trang 1-13 - 2014
Sasikumar Elumalai, Aicardo Roa- Espinosa, John L Markley, Troy M Runge
The current higher manufacturing cost of biofuels production from lignocellulosics hinders the commercial process development. Although many approaches for reducing the manufacturing cost of cellulosic biofuels may be considered, the use of less expensive feedstocks may represent the largest impact. In the present study, we investigated the use of a low cost feedstock: post-biogas digestion dairy ...... hiện toàn bộ