An energy-saving and environment-friendly enzymatic process for producing sodium gluconate
A technology of sodium gluconate, energy saving and environmental protection, applied in the field of sodium gluconate production, can solve the problems of high production cost, difficult to remove soluble protein, easy contamination of bacteria, etc., to reduce energy and water consumption, easy to extract and The effect of refining and water consumption reduction
Active Publication Date: 2019-12-06
ZHUCHENG DONGXIAO BIOTECH
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Problems solved by technology
The heterogeneous catalytic oxidation method is restricted by the catalytic efficiency of the catalyst, and the production cost is relatively high
In addition, due to the certain toxicity of heavy metals, the sodium gluconate produced by the heterogeneous catalysis method is not suitable for the food field, and the scope of application of the product is limited; Many defects limit the improvement of the yield, color and purity of sodium gluconate products
[0004] Simultaneously the energy consumption of prior art sodium gluconate production process is higher, and energy utilization rate is lower, can not meet the demand of energy saving and environmental protection
Method used
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[0029] The present invention will be described in detail through embodiments below.
[0030] Described energy-saving and environment-friendly enzymatic method produces sodium gluconate technique, comprises the following steps:
[0031](1) Starch emulsification and saccharification: a. Liquefaction: Firstly, in the plate heat exchanger Ⅰ, use 50-60°C high-temperature hot water to heat the raw material starch milk to 40-45°C, and then adjust the raw material starch milk The slurry is transported to the liquefaction injector after the mass fraction is 40-44%, the pH value is adjusted to 4.8-5.0, and 11-13U / g high temperature resistant α-amylase and 0.05-0.08% anhydrous are added successively Calcium chloride was liquefied at 80-95°C for 15-24 minutes, and at the same time ultrasonically treated at 240W for 6-10 minutes; finally adjust the temperature to 100-110°C and add 12-15U / g high temperature-resistant α-amylase Carry out liquefaction for 12-16 minutes to obtain liquefied li...
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Abstract
The invention belongs to the technical field of sodium gluconate production, and particularly relates to an energy-saving and environment-friendly enzymatic sodium gluconate producing new process. The energy-saving and environment-friendly enzymatic sodium gluconate producing new process comprises the following steps: (1) emulsifying and saccharifying starch, comprising a saccharifying substep c; (2) continuously digesting; (3) fermenting, comprising a saccharified liquid fermenting substep b; (4) decolorizing; (5) concentrating; (6) filtering, washing, and drying to obtain a finished product. Compared with the conventional catalytic method and the conventional fermentation method, the energy-saving and environment-friendly enzymatic sodium gluconate producing new process has the remarkable advantages of high safety, and easy extraction and refining of the product; by the energy-saving and environment-friendly enzymatic sodium gluconate producing new process, the quality of sodium gluconate is significantly improved, and the steam consumption of the product can be reduced, so that the production cost of the product is significantly reduced.
Description
technical field [0001] The invention belongs to the technical field of sodium gluconate production, in particular to an energy-saving and environment-friendly enzymatic sodium gluconate production process. Background technique [0002] Sodium gluconate, also known as sodium pentahydroxycaproate, has a molecular formula of C 6 h 11 o 7 Na. Due to the characteristics of non-toxicity and good thermal stability, it is widely used in construction industry, food, medicine and other fields. Because sodium gluconate has important uses, and in recent years, with the rapid development of the food industry and construction industry, the demand for sodium gluconate in my country is increasing. Therefore, the production process of sodium gluconate and the improvement of process research, etc. Highly regarded. [0003] At present, the production methods of sodium gluconate mainly include homogeneous chemical oxidation, electrolytic oxidation, heterogeneous catalytic oxidation and biol...
Claims
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IPC IPC(8): C12P7/58C07C51/47C07C59/105C12R1/80C12R1/685
CPCC07C51/47C12P7/58C07C59/105
Inventor 郭传庄王延斌邓持刚
Owner ZHUCHENG DONGXIAO BIOTECH