Silica-sol-modified-rice-hull-ash blue-green algae inhibitor and preparation method thereof

Abstract

The invention discloses a silica-sol-modified-rice-hull-ash blue-green algae inhibitor. The inhibitor comprises the following raw materials, by weight part, 30-40 of rice hulls and ash, 20-30 of dolomite powder, 3-5 of acrylic acid, 3-5 of a silica sol with the concentration being 30-40%, 0.05-0.1 of ammonium persulfate, 1-2 of acrylamide, 0.3-0.5 of gallic acid, 0.01-0.02 of N,N'-methylenebisacrylamide, 0.1-0.2 of hydroxyethyl cellulose, and 10-15 of a compound additive. The inhibitor can fast efficiently remove blue-green algae bodies and blue-green algae toxins from water, can effectively decompose the precipitated blue-green algae bodies and blue-green algae toxins, and can remove odor and heavy metal and organic pollutants from the water, thereby satisfying requirements of water purification. The inhibitor can inhibit growth of blue-green algae and prevent subsequent eruption of blue-green algae, thereby achieving the purpose of overall and continuous control of blue-green algae.

Description

technical field [0001] The invention relates to the field of cyanobacteria control, in particular to a silica sol modified rice husk gray cyanobacteria inhibitor and a preparation method thereof. Background technique [0002] When the environmental conditions are suitable and the nutrients are rich, blue-green algae will multiply rapidly and in large numbers, and form a layer of blue-green and foul-smelling floating foam on the water surface, which is called "water bloom". The distribution of cyanobacteria is very extensive in our country, and the outbreak of cyanobacteria bloom not only affects the ecosystem of water supply, tourism, landscape and aquaculture waters, but also seriously interferes with people's normal life. Therefore, the control of blue-green algae has become the focus of attention. [0003] Cyanobacteria usually accumulate on the surface of the water body or float in the water body, not only emitting odor, but also producing toxic and harmful substances s...

AI Technical Summary

Problems solved by technology

However, a single cyanobacterial bloom treatment agent not only has its limitations, it cannot comprehensively and continuously control cyanobacterial blooms and their negative effects, and it will also bring follow-up problems such as secondary pollution