Preparation method of composite algicide

Abstract

The invention relates to the technical field of algicide preparation, in particular to a preparation method of a composite algicide. The preparation method comprises steps as follows: interlayer spacing of montmorillonite is widened firstly, the montmorillonite is soaked with citric acid, cobalt-iron ions are complexed with citric acid, magnetic cobalt ferrite is generated after calcination, hydroxyl free radicals, hydrogen peroxide and ozone produced through a photochemical reaction are promoted to effectively kill algae under the photomagnetic synergistic effect, then snailase rich in different enzymes is supported on a crude algicide product and adopted to damage slime outside the algae, the algae are enabled to be exposed from slime outside the algae, the exposed algae are contacted with copper ions, and the copper ions are adsorbed to algal cell walls, penetrate through the cell walls and remains on cell membranes to inhibit activity of enzymes in the cell membranes and result in algal death finally, so that the purpose of algae removal is achieved. The metal copper ions are chelated on the surface of a magnetic green body, the release speed is reduced, so that the long-time algae removal effect can be achieved, and the preparation method has broad application prospect.

Description

technical field [0001] The invention relates to the technical field of algaecide preparation, in particular to a preparation method of a compound algaecide. Background technique [0002] Red tide refers to the change of water color caused by the sudden and abnormal proliferation of microorganisms in seawater. This phenomenon is caused by the blooms and high concentrations of certain microscopic plankton known as red tide organisms. Red tide is a kind of complex ecological anomaly, and its causes are complicated. The eutrophication of seawater is the material basis of red tide. In recent years, red tide disasters have occurred frequently in my country's coastal waters, resulting in serious economic losses and even threatening human health. The main methods of controlling red tide are physical method, biological method and chemical method. At present, most of the fastest-growing methods are chemical methods, which can be divided into direct killing method, coagulant precipi...

AI Technical Summary

Problems solved by technology

[0004] The main technical problem to be solved by the present invention is that most of the current chemical algae removal methods directly add chemical algicides, which may easily cause excessive local chemical concentrations, which will have adverse effects on non-red algal organisms in the water body, and the chemical algae removal method is effective. Short time and long-term algae killing rate are low, and a preparation method of a compound algaecide is provided