Adsorption technology for asparagine in sugarcane juice by using chitosan

A technology of asparagine and chitosan, applied in the field of adsorption, achieves the effects of great theoretical significance and application value, simple operation and rapid reproducibility

Inactive Publication Date: 2018-11-13
GUANGXI UNIVERSITY OF TECHNOLOGY
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Problems solved by technology

[0006] The invention provides a chitosan adsorption process for asparagine in su...

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  • Adsorption technology for asparagine in sugarcane juice by using chitosan
  • Adsorption technology for asparagine in sugarcane juice by using chitosan
  • Adsorption technology for asparagine in sugarcane juice by using chitosan

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Embodiment Construction

[0049] 1 Adsorption model

[0050] 1.1 Kinetic adsorption model

[0051] Adsorption kinetics is a theoretical study of the relationship between the adsorption amount and the adsorption time during the adsorption process, that is, the study of the adsorption speed and adsorption mechanism. It is closely related to the transfer phenomenon of substances and the size of the diffusion rate, and the transfer phenomenon and diffusion rate are related to the properties of the adsorbent (such as size, particle shape, pore structure, etc.), the properties of the adsorbate (molecules or ions), and the external environment. Conditions (such as T, C, etc.) are related. The prediction of the kinetic equation can be used as a criterion that can reflect the influence of time on the adsorption amount.

[0052] In order to better study the kinetic properties of asparagine through experiments on the adsorption of asparagine by chitosan in aqueous solution system and 10% sucrose solution system...

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Abstract

The invention discloses an adsorption technology for asparagine in sugarcane juice by using chitosan. The adsorption technology comprises the following steps: preparing an asparagine sucrose solution;adding chitosan and performing thermostatic waterbath oscillation; centrifuging and fetching supernate; diluting the supernate and measuring an absorbance value after the asparagine is adsorbed in anaqueous solution; calculating the adsorption quantity of asparagine, etc. According to the adsorption technology disclosed by the invention, the absorbance after the chitosan adsorbs the asparagine is measured by ninhydrin color development visible spectrophotometry; a adsorption dynamic model of chitosan to asparagine in the aqueous solution system and a sucrose solution system is fitted while aisothermal adsorption model is also studied; thus, the adsorption technology enhances the basic research for application of sugarcane juice clarification and syrup discoloration, and also has great theoretical significance and application value in raising the technological level of Guangxi sucrose industry.

Description

technical field [0001] The invention belongs to the technical field of adsorption, and in particular relates to an adsorption process of asparagine in sugarcane juice by chitosan. Background technique [0002] As one of the origins of sucrose in my country, Guangxi has a long history of planting cane sugar and has become the largest sugar production base in the country. The sugar production in Guangxi accounts for 60% of the total sugar production in the country, and it is an indispensable source of Guangxi's economy. Part of it is also an indispensable part of the industrial pillar. The nitrogen-containing organic substances in sugarcane juice mainly include protein, amino acid, amide and other nitrogen-containing substances, which have a great influence on the sugar production process. Therefore, the composition and content of various nitrogen-containing substances can be used as an extremely valuable indicator for judging the quality of raw materials and products in the s...

Claims

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Application Information

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IPC IPC(8): G01N21/31
CPCG01N21/31
Inventor 唐婷范田玉红邓起东周友全李晓慧
Owner GUANGXI UNIVERSITY OF TECHNOLOGY
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