Papers that have been published, or presented at technical meetings are listed below. Clicking on the title of a paper will download the paper or Microsoft® PowerPoint® presentation to your computer. Papers are Adobe PDF’s and Adobe Reader is required to view and print them. A copy of Adobe Reader is available for free from Adobe's website (click on the Adobe Reader link in the previous sentence to download the reader if it is not already on your computer). The papers, articles, procedures and newsletters listed below are provided “as is” without warranties of any kind. The use of these documents and procedures are provided for information purposes only and use of them is at the users own risk. All copyrights are reserved.
Process Modeling Using Sugars™ - Beet Factory – by L. Warner Weiss, Sugars International LLC, poster presentation to the European Society for Sugar Technology (ESST), 4th ESST Conference, May 10 – 13, 2015. The conference was a joint meeting with Verein Deutscher Zuckertechniker (VDZ) and Syndicat National des Fabricants de Sucre (SNFS). The Poster was for a paper submitted to the ESST that discusses the Sugars model of a beet sugar factory with molasses desugarization using chromatographic separation. Also, it shows the new optional data import and export feature used to transfer data between Sugars and Excel for calculating the isentropic efficiency using the Willans line for a turbo alternator. File size: 1,069KB.
Process Modeling Using Sugars ™ - Cane Factory – by L. Warner Weiss, Sugars International LLC, presented to the 22nd Association Andrew Van Hook Symposium, Mauritius, February 2015. This paper discusses the intercommunications between unit operations (stations) that Sugars uses to automatically solve mass and energy transfer between stations without any user intervention. Also, it discusses the new optional data import and export feature for transferring data between Sugars and other software. File size: 617KB.
Process Systems Engineering for the sugar industry: concept and applications – by Daira Aragon, Audubon Sugar Institute, presented to the 44th Annual Joint Meeting ASSCT Florida and Louisiana Divisions, Bonita Springs, Florida, June 2014. A good overview of Process Systems Engineering (PSE) and its uses is given by this paper. The process model discussed in the presentation was created using Sugars to show the effects of syrup purity changes and B-molasses recycle on the purity of massecuites and final molasses. File size: 755KB.
Potential Role of a Superheated Steam Dryer in an Energy Cane/Sweet Sorghum Biorefinery – by L.S. Polanco and D.F. Day, Audubon Sugar Institute, V. Kochergin, Amalgamated Research LLC, and J. Alvarez, Sugar Cane Growers Cooperative of Florida. Presented to the Sustainable Bioproducts Initiative – SUBI, Annual Meeting, Baton Rouge, Louisiana, May 28, 2014. Integration of a superheated steam dryer into the factory is simulated using Sugars. The simulation shows an increase in surplus fiber of more than 200% from drying the bagasse. File size: 1,949KB
Improvements of raw sugar quality using double purge of C-magma – by Luz Stella Polanco, Vadim Kochergin, Stephen Savoie and Gregory Carline with Audubon Sugar Institute, Amalgamated Research LLC and Lula Sugar Factory respectively and published by the International Sugar Journal, February 2014, pages 42 – 47. Paper provided courtesy of the International Sugar Journal that is published by Informa Agra, London, England. This paper discusses the reduction in raw sugar color of approximately 50% that can be achieved using a double purge of C-magma. Sugars was used to model the double purge process. File size: 1,085KB.
Biodiesel Production from Microalgae Co-location with Sugar Mills - by Christian Lohrey, Master of Science thesis, Louisiana State University, Department of Biological and Agricultural Engineering, August 2012. The thesis discusses the production of biodiesel from microalgae using energy, water and CO2 from an adjacent cane sugar factory. Sugars™ was used to model different scenarios to optimize the process. File size: 1,215KB.
Process technologies for the White Nile Sugar Factory - by Sanjay Awasthi, ISGEC Heavy Engineering Ltd., India and published by the International Sugar Journal volume 114, no. 1363, July 2012, pages 476 - 481. The paper discusses the design and model that was built for the factory using Sugars.
Evaporation of Vinasse - by Tulio Camacari de Carvalho and Celso Luiz da Silva, U. Estadual Paulista, Brazil and published by the Sugar Journal, August 2011, pages 20 - 25. Sugars was used to model a 5-effect multiple for concentrating vinasse. Simulation results from the model agree with the data obtained from the factory.
Sugars Letter Issue No. 9 - Sugars newsletter sent April 2011.
Using Sugars™ for Mill Optimization Projects - Presented to the annual ASSCT meeting (Louisiana division), February 7-10, 2011 in Lafayette, Louisiana USA by Fikadu Beyene. The Louisiana Sugar Cane Cooperative factory was modeled using Sugars™ to evaluate different improvements to reduce steam consumption and compare boiling schemes to reduce raw sugar color. The slides from the presentation are given in an Adobe pdf file. File size: 2,336KB.
A Single Strike Boiling Scheme - Presented to the Sugar Industry Technologists (SIT) meeting, May 16-19, 2010 in Savannah, Georgia USA by M. Inkson, P. Antier and M. Topfer. A single product boiling with an intermediate boiling refinery is modeled using Sugars™. Details of the process and model are discussed. File size: 221KB.
On-Line Monitoring of Factory Processes - Presented to the International Society of Sugar Cane Technologists (ISSCT) meeting, March 8-11, 2010, Vera Cruz, Mexico by Boris Morgenroth and Stefan Pfau (IPRO Industrieprojekt GmbH) and L. Warner Weiss (Sugars International LLC). The paper discusses the results from using the AMS add-on feature of Sugars™ to import factory data into a Sugars model and how key performance indices from the model can be used to improve and monitor the performance of a factory while significantly reducing the data measurement points needed. File size: 309KB.
Sugars Letter Issue No. 8 - Sugars newsletter sent April 2009.
Influence of reduced temperature in evaporation and crystallization on the sugar quality and energy consumption in sugar production (German) - by Quido Smejkal, Arash Bagherzadeh and Rudolf Schick, Technical University of Berlin, and published by Sugar Industry volume 133, number 5, May 2008, pages 330 - 339 (file size: 294KB). Paper provided courtesy of Sugar Industry journal published by Verlag Dr. Albert Bartens, Berlin, Germany. A companion summary paper (English) is also available for download as an Adobe pdf (file size: 461KB). This is an interesting paper that shows process modifications that significantly reduce the energy consumption of a beet sugar factory. All of the models and simulations were done using Sugars™. File size: 461KB.
Sugars Letter Issue No. 7 - Sugars newsletter sent April 2007.
Factory Performance Evaluation with the Advanced Monitoring System (AMS) - Paper prepared for the S.P.R.I. proceedings of the meeting in Aguas de São Pedro, SP, Brazil, September 17-20, 2006. The paper describes the basic features of the AMS and the experiences of three factories in Brazil that have the system. File size: 342KB.
Process Control in the Refinery Employing AMS (Advanced Monitoring System) - Poster presented at the 65th Sugar Industry Technologists (SIT) meeting in La Baule, France, May 14-17, 2006. The accompanying flyer gives an overview of the AMS to show how using it significantly enhances the process knowledge for a refinery. File size: 379KB.
Sugars Letter Issue No. 6 - Sugars newsletter sent April 2006.
Thoughts on Refinery Boiling Schemes - Presented to the Sugar Industry Technologists (SIT) meeting in Dubai, UAE, April 3-6, 2005 by Phil Thompson, Paul Fry and Nirmal Hasrajani (Sugar Knowledge International Limited). This paper shows how Sugars is used to model different crystallization schemes. As stated in the paper: "Using Sugars™ software the performance of a recycling single stage scheme can easily be simulated. The potentially difficult iterative calculations are handled automatically and the unit operations models for evaporating crystallizers and centrifugals include solubility and color increase factors." File size: 115KB.
Modelling a Continuous Pan Installation using Sugars™ for Windows® - Presented to the International Society of Sugar Cane Technologists (ISSCT) meeting, February 2005, Guatemala City, Guatemala by L. Warner Weiss, José F. Alvarez, Tirso M. Carreja and Barbara Signo. This paper shows the addition of a continuous pan to the 'B' boiling with predictions about what effect it will have on the operation of the factory by using a model of the complete factory to provide simulations of changes in the process and equipment from the installation. File size: 235KB.
New Developments in Information Technologies - Published in volume CVII, issue no. 1273, 38-41 (English), 42-46 (Spanish), January 2005 of the International Sugar Journal by L.W. Weiss (Sugars International LLC). It discusses the future use of a Service Oriented Architecture (SOA) employing Extensible Markup Language (XML) with Web Services and SOAP to pass information between programs. Also, it shows the import of XML data into a Sugars model using the Advanced Monitoring System (AMS). File size: 212KB.
Advanced Monitoring System (AMS) for Process Control - Published in the December 2004 issue of Zuckerindustrie 129 (2004) Nr. 12, 866-868 by Stefan Pfau (IPRO) and Boris Morgenroth (IPRO). This paper gives some details about the Advanced Monitoring System (AMS) and results from the first installation of the system in a Brazilian cane sugar factory. File size: 336KB
Advanced Monitoring Systems for Process Control - Presented to the Commission Internationale Technique de Sucrerie (CITS) meeting, May 2003, Madrid, Spain by Boris Morgenroth (IPRO) and Warner Weiss (Sugars International LLC). This paper covers a new system for communication between the management information system (MIS) of a factory and the Sugars for Windows program to provide on demand mass, energy and color balances. File size: 207KB.
Ratio of Color to Non-Sugars, Application to Sugar End Operations - Presented to the American Society of Sugar Beet Technologists (ASSBT) meeting, February 2003, San Antonio, Texas USA by Phil Thompson (SKIL) and Paul Fry. This paper discusses how the ratio of color to non-sugars can be used to monitor sugar end performance for color formation and to develop boiling schemes to reduce sugar color. Sugar end models from the Sugars program are used to evaluate the schemes. File size: 263KB (Microsoft PowerPoint file).
Modeling the New Technology Raw Sugar Factory/Refinery Using Sugars™ for Windows® - Published in Volume CIII, Issue No. 1231, July 2001 of the International Sugar Journal by José F. Alvarez, Carmen Y. Baez-Smith and L. Warner Weiss. This paper covers modeling of the Sugar Cane Growers Cooperative of Florida raw sugar factory with ultra filtration, juice softening, chromatographic separation and crystallization added to the factory to produce 500 tons per day of refined sugar using approximately 20% of the clarified juice. The added revenues for the factory from the new technology are shown and other alternatives are discussed. File size: 334KB.
Industrial performance of the mechanical vapor recompression and multiple effect evaporator system: successful operation and significant reduction in steam usage - Presented to the American Society of Sugar Beet Technologists (ASSBT) meeting, February 2001 by James Pope and Jeffrey Hude. This design paper shows the design and modeling of a raffinate evaporator system for a molasses desugarization plant. The modeling was done using Sugars. File size: 394KB.
Computer Simulation For Higher Profits - Article published in issue 1-2000 of the International Sugar Review. This article discusses ways that simulation can improve the profitability of sugar companies. File size: 8KB.
Al Khaleej Sugar A Water Efficient Refinery - Presented to the Sugar Industry Technologists (SIT) meeting, May 2000, paper no. 782, by Jamal Al Ghurair & G.C. Singh. This paper references the use of Sugars for the study and simulation of the Al Khaleej Sugar Refinery during its initial design and gives the results of the study to compare phosphatation and carbonation for water consumption. File size: 766KB.
Cane Factory Process Modeling using Sugars™ for Windows® - Presented to the twenty-ninth annual joint meeting of the Florida and Louisiana divisions of the American Society of Sugar Cane Technologists, June 16 - 18, 1999, in Ft. Walton Beach, Florida. The paper shows the new Sugars for Windows interface with a model of a cane sugar factory. This paper was published in Volume CII, Issue No. 1214, February 2000 of the International Sugar Journal. File size: 537KB.
Al Khaleej Sugar An Energy Efficient Refinery - Presented to the Sugar Industry Technologists (SIT) meeting, May 1999, paper no. 751, by Jamal Al Ghurair & G.C. Singh. This paper references the use of Sugars for the study and simulation of the Al Khaleej Sugar Refinery during its initial design and discusses the simulation of sixteen different process models that were built to analyze different configurations of the refinery. Files size: 549KB.
Sugars™ for Windows® - A Revolutionary Update - Presented to the 21st General Assembly of the Commission Internationale Technique de Sucrerie (CITS), May 24 - 28, 1999, in Antwerp, Belgium. The paper shows many of the features of the Sugars for Windows program. A summary in English, German and French is given at the end of the paper. A modified version of this paper was published in the 124 (49) October 1999 issue of ZuckerIndustrie. File size: 541KB.
Sugars™ Program Update for Windows® - Beet Sugar - Presented to the 30th General Meeting of the American society of Sugar Beet Technologists (ASSBT), February 1999, in Orlando, Florida USA. This was the first paper to show the new Sugars for Windows program, and it gives an overview of all of the new features. File size 541KB.
SUGARSLETTER Issue No. 5 - Sugars newsletter sent March 1998. File size: 59KB.
The Engineers' Tool Box. A review of modeling and analysis tools and their application. Paper published in volume 99, no. 1185B, 1997 of the International Sugar Journal by Phil Thompson, process engineering consultant. As mentioned in the paper, only more costly packages have sufficient flexibility to model sugar processes. "One exception to this is Sugars™, which is a specialist PC simulation package specifically developed for the sugar industry." File size: 53KB.
Simulation of the Malelane and Komati Mills with Sugars™ Simulation Software - Presented to the 71st Annual Congress of the South African Sugar Technologists’ Association, June 2-4, 1997 by N. Stolz and W. Weiss. This paper discusses the results from modeling cane diffusion factories owned by Transvaal Suiker Beperk, South Africa. File size: 1,683KB.
SUGARSLETTER Issue No. 4 - Sugars newsletter sent July 1996. File size: 67KB.
SUGARSLETTER Issue No. 3 - Sugars newsletter sent March 1995. File size: 85KB.
Refinery Simulation Using Sugars™ - Presented to the 53rd Annual Meeting of the Sugar Industry Technologists (SIT), Inc., May 1994, paper no. 655. This paper shows the DOS version of Sugars used to simulate a refinery using both a normal Pol (98.7) and low Pol (97.9) raw sugar. File size: 1,831KB.
SUGARSLETTER Issue No. 2 - Sugars newsletter sent March 1994. File size: 114KB
SUGARSLETTER Issue No. 1 - Sugars newsletter sent July 1993. File size: 97KB.
Investment Decisions Using the Sugars™ Computer Program - Presented to the 26th General Meeting of the American Society of Sugar Beet Technologists, February 1991. This paper shows the DOS version of Sugars used to simulate the sugar end of a beet sugar factory to show the financial benefits of adding an intermediate crystallizer, vacuum crystallizer and molasses desugarization. File size: 2,378KB.
Sugar Factory Process Optimization Using the Sugars™ Computer Program - Presented to the 25th General Meeting of the American Society of Sugar Beet Technologists, February 1989. This paper shows a base case model of a beet sugar factory that is then modified with some process changes to improve the operation of the factory and increase its revenues. File size: 2,603KB.
Evaluation of Affination at the Manteca Factory - Presented to the 24th General Meeting of the American Society of Sugar Beet Technologists, March 1987 by Christopher D. Rhoten. This paper shows the results from modeling affination at the Spreckels Manteca factory. At that time, the program was called PC-Sugars and it was a DOS program. File size: 714KB.
Contact us today to ask about implementing our unique computer simulation software.