Method for preparing ecological bionic microbial flocculant from leftovers of marine products

Abstract

The invention discloses a method for preparing an ecological bionic microbial flocculant from leftovers of marine products. The method comprises the following steps: inoculating sludge suspension spat out by ruditapes philippinarum into a liquid culture base prepared from the leftovers of marine products and culturing, and then naturally settling or centrifugally separating precipitates and freeze-drying. According to the invention, the cost of the culture medium can be greatly reduced, the flocculation effect is excellent, pollutants and suspension particles in water can be effectively removed and the excellent settling property is guaranteed.

Description

Technical field

[0001] The invention relates to a method for producing a microbial flocculant, in particular to a method for preparing an ecological bionic microbial flocculant from leftovers of seafood. Background technique

[0002] Flocculants have extremely wide and critical applications in the fields of water supply treatment, sewage purification, food and fermentation engineering. According to molecular composition, flocculants can be divided into three categories: inorganic flocculants, organic synthetic polymer flocculants and natural polymer flocculants. Inorganic flocculants are cheap, but they have adverse effects on human health and the ecological environment; organic synthetic polymer flocculants such as polyacrylamide, whose monomer acrylamide has strong carcinogenic and neurotoxicity to humans; polyacrylamide is also difficult to degrade , Easy to accumulate in the environment and cause secondary pollution. Natural polymer flocculants from plants and animals often...