Bio-stimulant and preparation method thereof

Abstract

The invention provides a bio-stimulant and belongs to the technical field of industrial wastewater biochemical treatment. The bio-stimulant is prepared from 40-45% by mass of starch, 10-12% by mass of casein hydrolysate, 8-10% by mass of yeast extract, 3.5-4.0% by mass of EDTA, 4.0-4.5% by mass of NaCl, 1.5-2.0% by mass of biotin and the balance distilled water. The bio-stimulant is rich in nutrients, has good dissolvability in water, utilizes a novel stimulant ratio and improves biochemical system treatment efficiency. The bio-stimulant prolongs a storage life to 180 days or more, does not go bad thereby influencing stimulant effects, can be used at any time according to demands, is a concentrated dry bio-stimulant and saves a certain transport cost.

Description

Technical field: [0001] The invention belongs to the technical field of biochemical treatment of industrial wastewater, and in particular relates to a novel biological growth promoter capable of long-term storage and a preparation method. technical background: [0002] The mechanism of action of the industrial wastewater biochemical treatment system is: the microorganisms in the industrial wastewater decompose some substances that were not easy to degrade in the industrial wastewater into small molecular organic or inorganic substances that are easy to degrade, thereby reducing the concentration of organic substances in the wastewater and removing Or reduce the toxicity and harm of wastewater to the environment. Biochemical treatment is the main process for industrial and municipal wastewater treatment applications. This method is lower in cost than the physical and chemical method, and has a wide range of applications. Its disadvantage is that when the influent water quali...

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Problems solved by technology

The solid form is mainly compound nutritional preparations, such as various nitrogen fertilizers or phosphate fertilizers. Although these substances can be stored for a long time, they can be directly added when the water quality fluctuates, and they do not need to be bought and used immediately. , the nutrient composition is single, the degree of microbial absorption is limited, and the supplementary nutrient composition is also limited; the liquid form is mainly to add carbon sources, nitrogen sources, trace elements and growth factors that can be directly used by microorganisms, and the varieties are diverse and nutrient-rich. However, due to such The growth promoter is equivalent to the microbial culture medium, which will multiply useless microorganisms in large quantities after production and during transportation, consuming a lot of nutrients in the growth promoter, and adding useless microorganisms to the biochemical system will bring new life to the system. Therefore, this type of biological growth promoter is not easy to store and can only be prepared and used immediately. However, the water quality fluctuation of the upstream influent is beyond the control of the sewage treatment operation plant, so it cannot be added in time when the water quality fluctuates. Bio-growth-promoting agents will cause an increase in the dosage of bio-growth-promoting agents and other unnecessary losses. Therefore, there is an urgent need for a bio-growth-promoting agent that not only contains rich nutrients, but also can be stored in the warehouse for a long time. can be used whenever needed

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