Synthetic circulation production process for guanine nucleoside

Abstract

The invention provides a comprehensive recycling production process of guanosine. The bacterial suspension collected from the process in which guanosine is extracted and refined from guanosine fermented liquid is dried as feed additive or made into feed protein; the primary mother liquid acquired from the first four times during micro-filtrate membrane filtration, crude crystallization and pressure filtration and separation is sent into a reverse osmosis membrane for condensation and then mixed with the guanosine fermented liquid for internal recycling; the primary mother liquid acquired from the fifth time undergoes evaporation concentration, crystallization, drying and granulation to produce ammonium sulfate and other bio-compound fertilizers; the secondary mother liquid acquired from ultrafiltration membrane treatment is reused as micro-filtration membrane dialysis water; the third mother liquid acquired from extract crystallization and pressure filtration and separation is respectively reused as anti-crystallinic water of anti-crystallinic jar and dialysis water of micro-filtration membrane and ultrafiltration membrane. The invention overcomes the defects of the traditional process such as incomprehensive utilization, resources waste and environmental pollution; the comprehensive cycling process is reasonable and feasible and conforms to the green environmental protection concept, thus cleaning the environment, promoting the ecological balance, reducing the production cost and strengthening the social and economic benefits.

Description

technical field [0001] The invention relates to a production process for producing guanosine, in particular to a comprehensive cycle production process for guanosine. Background technique [0002] Guanosine (guanosine for short) is an important intermediate of food and medical products. It has a wide range of uses, and its annual demand is increasing at a rate of 10%-20%. At present, the production of guanosine by fermentation is an advanced production process. The extraction of refined guanosine from guanosine fermentation broth generally involves three processes: rough extraction, fine extraction and separation. Each extraction process will produce bacterial suspension and remaining mother liquor (also known as primary mother liquor, secondary mother liquor and third mother liquor) However, these bacterial suspensions and remaining mother liquors are generally not scientifically and reasonably comprehensively utilized again, wasting precious resources and polluting the en...

AI Technical Summary

Problems solved by technology

The extraction of refined guanosine from guanosine fermentation broth generally involves three processes: rough extraction, fine extraction and separation. Each extraction process will produce bacterial suspension and remaining mother liquor (also known as pr...