Economic purification of raw sugar in beet sugar factories

2011 ◽  
pp. 655-659
Author(s):  
Carsten Irmer ◽  
Tim Diringer
Keyword(s):  
New Technology ◽  
Cane Sugar ◽  
Filter Press ◽  
Sugar Syrup ◽  
Beet Sugar ◽  
Raw Sugar ◽  
Thick Juice ◽  
White Sugar

The refining of raw sugar in existing beet sugar factories after the regular campaign has become more popular to increase the white sugar output. Even the processing of a mixture of both raw cane sugar syrup and beet juice during the regular beet sugar campaign or afterwards with stored thick juice has already being practiced. Whereas the sugar house equipment can be used with almost no changes, the juice purification and the filtration need to be customized. The carbonatation principle is also applicable for the purification of the cane sugar syrup. The filtration can be performed in conventional two steps or as direct PKF (filter press) filtration eliminating the thickening filters. The paper presents different possibilities for improved and economical raw cane sugar syrup purification (carbonatation and filtration) by using already existing equipment in combination with new technology.

Studies on the storage stability of white beet sugar depending on its quality

2018 ◽  
pp. 581-589
Author(s):  
Philipp Bruhns ◽  
Timo Koch ◽  
Lothar Kroh
Keyword(s):  
Storage Stability ◽  
Crystal Surface ◽  
Surface Film ◽  
Quality Criteria ◽  
Color Distribution ◽  
Color Formation ◽  
Beet Sugar ◽  
Council Directive ◽  
Thick Juice ◽  
White Sugar

Storage stability of white beet sugar is an important factor determining the sugar quality. Due to color formation during storage the sugar color can exceed the quality criteria of the European council directive 2001/111/EC for white sugar. It is not possible to predict the color formation tendency of a white sugar lot at the time of its production. Also the source and the mechanism of color formation during storage are unknown. Color formation in general can be caused by several factors, which can be divided into external influences such as humidity and temperature during storage and internal causes such as contents of ash, polyphenols, mono- and oligosaccharides, and amino compounds. In this work, the effect of the above mentioned factors and the nature of the formed colorants were analyzed. Studies on the color distribution in sugar crystals were carried out and the nonsucrose compounds in the surface film were determined. The syrup film on the crystal surface contains the same compounds and in similar contents as thick juice. A correlation between the changes in the amino acid and monosaccharide content and the color formation was established, which shows that the Maillard reaction is responsible for the color development during storage of sugar.

Preliminary report on the use of high performance adsorbents in co-refining raw sugar in beet factories

2014 ◽  
pp. 295-297
Author(s):  
Ahmed S. Vawda ◽  
Emmanuel M. Sarir ◽  
Carlos A. Donado
Keyword(s):  
Preliminary Report ◽  
High Performance ◽  
High Quality ◽  
Sugar Factory ◽  
Beet Sugar ◽  
Reducing Ability ◽  
Raw Sugar ◽  
White Sugar

Due to the fact that a beet sugar factory has a lower colour reducing ability and since cane and beet syrups contain different type of colourants the amount of raw sugar added is limited. The challenge is to control the amount of raw sugar added while still delivering a high quality of white sugar. This paper focuses on the removal of the colourants that are preferentially transferred to the surface of the crystal, thereby allowing the beet factory to increase the amount of raw sugar blended into the process without the typical problems associated with this practice.

scholarly journals Efficacy of Affination on Quality Parameters of White Sugar During Refining Process

2021 ◽  
pp. 82-87
Author(s):  
T. S. A. Hammam ◽  
M. M. Zaghlool ◽  
Sanaa A. El-sherif ◽  
E. A. EL-Naggar ◽  
H. Ferweez
Keyword(s):  
Reducing Sugars ◽  
Cane Sugar ◽  
Quality Parameters ◽  
Refining Process ◽  
Physiochemical Properties ◽  
Raw Sugar ◽  
Different Temperatures ◽  
Food Science Department ◽  
Department Faculty ◽  
White Sugar

At laboratories of Delta Sugar Company, Kafr El-Sheikh Governorate, Egypt, as well as Food science Department Faculty of Agriculture, Minia University, Egypt during 2019 working season was carried out this work.  It was particularly designed to evaluate the affination process of raw sugar at different temperatures on refined sugar quality parameters during sugar refining process under prevailing industrial conditions. The obtained results revealed that there were a significant differences among raw cane sugar samples in the all studied physiochemical traits, i.e. moisture,  sucrose, reducing sugars, starch, dextran and color (ICUMSA units) except total sugars and ash % , Significant effect of dextran addition for sugar type, where white sugar was affected more than raw sugar, and added dextran level, significant effect of affination syrup temperature on physiochemical properties of white sugar, i.e. dextran, starch, sucrose, ash, and colour, except reducing sugars percent was non-significant      it can be concluded from the present research that affination syrup temperature at 70oC is the best treatment under the study conditions regarding white sugar quality and can be recommended to the industry for further processing and quite near to the standards of white sugar.

Excellent environmental performance of beet sugar production in the Netherlands

2020 ◽  
pp. 161-165
Author(s):  
Bertram de Crom ◽  
Jasper Scholten ◽  
Janjoris van Diepen
Keyword(s):  
Climate Change ◽  
Land Use ◽  
Life Cycle ◽  
Environmental Impact ◽  
Water Consumption ◽  
Environmental Performance ◽  
Cane Sugar ◽  
Sugar Production ◽  
Beet Sugar ◽  
Glucose Syrup

To get more insight in the environmental performance of the Suiker Unie beet sugar, Blonk Consultants performed a comparative Life Cycle Assessment (LCA) study on beet sugar, cane sugar and glucose syrup. The system boundaries of the sugar life cycle are set from cradle to regional storage at the Dutch market. For this study 8 different scenarios were evaluated. The first scenario is the actual sugar production at Suiker Unie. Scenario 2 until 7 are different cane sugar scenarios (different countries of origin, surplus electricity production and pre-harvest burning of leaves are considered). Scenario 8 concerns the glucose syrup scenario. An important factor in the environmental impact of 1kg of sugar is the sugar yield per ha. Total sugar yield per ha differs from 9t/ha sugar for sugarcane to 15t/ha sugar for sugar beet (in 2017). Main conclusion is that the production of beet sugar at Suiker Unie has in general a lower impact on climate change, fine particulate matter, land use and water consumption, compared to cane sugar production (in Brazil and India) and glucose syrup. The impact of cane sugar production on climate change and water consumption is highly dependent on the country of origin, especially when land use change is taken into account. The environmental impact of sugar production is highly dependent on the co-production of bioenergy, both for beet and cane sugar.

Determination of Dextran in Raw Cane Sugar by Roberts Copper Method: Collaborative Study

1988 ◽  
Vol 71 (2) ◽  
pp. 276-279
Author(s):  
Margaret A Clarke ◽  
Mary An Godshall
Keyword(s):  
Collaborative Study ◽  
Cane Sugar ◽  
Coefficients Of Variation ◽  
Raw Sugar ◽  
Repeatability And Reproducibility

Abstract A collaborative study was conducted using the Roberts copper method for the determination of dextran in raw cane sugars. Four samples were analyzed in duplicate, representing the range of dextran concentrations found in raw sugar. The overall repeatability and reproducibility coefficients of variation were 4.3 and 13.2%, respectively. The method has been adopted official first action.

Demineralisation of beet sugar syrup, juice and molasses using an electrodialysis pilot plant to reduce melassigenic ions

Desalination ◽  
2004 ◽  
Vol 165 ◽  
pp. 435-435 ◽  
Author(s):  
A ELMIDAOUI ◽  
L CHAY ◽  
M TAHAIKT ◽  
M SAHLI ◽  
M TAKY ◽  
...  
Keyword(s):  
Pilot Plant ◽  
Sugar Syrup ◽  
Beet Sugar

scholarly journals Fractal Behavior in the Clarification Process of Cane Sugar Production

2013 ◽  
Vol 2013 ◽  
pp. 1-9 ◽  
Author(s):  
Xiaomo Yu ◽  
Junke Ye ◽  
Jing Hu ◽  
Xiaoping Liao ◽  
Jianbo Gao
Keyword(s):  
Long Range ◽  
Industrial Process ◽  
Cane Sugar ◽  
Chemical Processes ◽  
Sugar Production ◽  
Long Range Correlations ◽  
Sugar Syrup ◽  
Fundamental Understanding ◽  
Physical And Chemical

Cane sugar production is an important industrial process. One of the most important steps in cane sugar production is the clarification process, which provides high-quality, concentrated sugar syrup crystal for further processing. To gain fundamental understanding of the physical and chemical processes associated with the clarification process and help design better approaches to improve the clarification of the mixed juice, we explore the fractal behavior of the variables pertinent to the clarification process. We show that the major variables in this key process all show persistent long-range correlations, for time scales up to at least a few days. Persistent long-range correlations amount to unilateral deviations from a preset target. This means that when the process is in a desired mode such that the target variables, color of the produced sugar and its clarity degree, both satisfy preset conditions, they will remain so for a long period of time. However, adversity could happen, in the sense that when they do not satisfy the requirements, the adverse situation may last quite long. These findings have to be explicitly accounted for when designing active controlling strategies to improve the quality of the produced sugar.

scholarly journals COMPARISON OF SPRING AND SUMMER SOWING OF SUGAR BEET GENOTYPES AT DIFFERENT HARVEST DATES TO SHIFT FROM TRADITIONAL CROP TO CASH CROP IN CENTRAL IRAN

2021 ◽  
Vol 52 (1) ◽  
pp. 232-248
Author(s):  
Vahidi & et al
Keyword(s):  
Sugar Beet ◽  
Agronomic Traits ◽  
Growth Period ◽  
Harvest Date ◽  
Cash Crop ◽  
Sowing Dates ◽  
Raw Sugar ◽  
Growth Degree Days ◽  
Spring Sowing ◽  
White Sugar

This study was carried out in Karaj, Iran in 2017 and 2018 to assess the efficacy of summer sowing (June 22) versus spring sowing (April 20) of six sugar beet genotypes at three harvest times (October 13, November 2, and November 23) via the measurement of catalase (CAT), malondialdehyde (MDA), and agronomic traits. Results showed that in both sowing dates, higher growth and temperature were related to higher CAT activity and MDA content, and the maximum MDA and CAT activity were observed in 1700−1900 growth degree days (GDD). Genotypes responded to the shortening of the growth period differently. The best genotypes for summer sowing were found to be ‘Paya’, ‘IR7’, and ‘Pars’ when a combination of the least response to delayed sowing and the highest root yield in the summer sowing conditions was considered. Compared to the spring sowing, the summer sowing decreased white sugar yield (WSY) of all cultivars by 28.3−50.5% in the first year and 5.3−32.4% in the second year. ‘Paya’ and ‘IR7’ were the most capable cultivars in preserving WSY so that they maintained 70% of their yields. In addition, the genotypes exhibited their highest WSY at the November 23 harvest date so that root, raw sugar and white sugar yields were 41.21, 6.35 and 5.02 t ha−1 higher at the November 23 harvest date than at the October 13 harvest date, respectively. Based on the results, if summer-sown sugar beets are considered as a cash crop in rotation with grains and there is no limitation on water supply, it can then be recommended to farmers as it can make good profits for them.

scholarly journals The Investigation of the Corrosive Effects of Sulphates and Salts on the Concrete and the Study of Environmental Changes on it

2020 ◽  
Vol 1 (2) ◽  
pp. 1-5
Author(s):  
Ramesh K. Gupta
Keyword(s):  
Carbon Nanotubes ◽  
Corrosion Resistance ◽  
Environmental Changes ◽  
Concrete Strength ◽  
Coal Ash ◽  
Reinforce Concrete ◽  
Cane Sugar ◽  
Sulfate Attack ◽  
Sugar Syrup ◽  
Concrete Quality

Due to the environmental impact of sulphates and salts on concrete and the significant reduction in concrete strength, extensive research has been carried out to reinforce concrete against these types of attacks. The results show that the use of coal ash increases Concrete quality is counteracting the attack of sulfates. The sulfates include calcium sulfate, sodium sulfate, magnesium sulfate, and the like. Sulfate attack in tropical coastal areas with hot and humid weather causes very severe damage. One can refer to ash of cane sugar syrup (bagasse) as one of the most suitable alternatives for cement in concrete. Other materials that can be considered for preventing attack of sulfates include concrete containing carbon nanotubes and shells ash pozzolan Rice. Using 80% cement, carbon nanotubes and 15% zirconium rice ash in concrete structure can improve concrete performance against sulfate attack and corrosion resistance. According to the results of concrete containing nanotube Carbon and rice structure has the highest corrosion resistance.

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