Multifunctional compound surface environment remediation agent and preparation method thereof

Abstract

The invention relates to a multifunctional compound surface environment remediation agent, the main raw materials thereof comprise polyvinyl alcohol, starch, acrylic acid and acrylamide. Meanwhile, the invention also provides a preparation method of the multifunctional compound surface environment remediation agent, comprising the following steps: (1) adding right amount of water into a reaction kettle, then adding polyvinyl alcohol, stirring for 20-30min under the temperature of 120-140 DEG C; (2) adding modified starch and stirring; (3) using water to prepare the acrylic acid and the acrylamide with the concentrations of 10% separately, dripping the acrylic acid and the acrylamide after preparation into the kettle while stirring; (4) pouring the liquid after reaction out of the reaction kettle to obtain the remediation agent. The multifunctional compound surface environment remediation agent in the invention has the functions of absorbing and holding water, restores ground vegetation, is easy for natural degradation, and prevents water loss and soil erosion and dust raising. Moreover, the invention features simple preparation method, low production cost, convenient use, low price and various resources of the raw materials and various functions, is suitable for preventing water loss and soil erosion and restoring ground vegetation, and is widely applied in environmental remediation and desertification treatment in the post period of engineering construction.

Description

technical field [0001] The invention relates to a multifunctional composite surface environment restoration agent, which belongs to the field of environmental protection. Background technique [0002] Environmental restoration is a major content of environmental protection. When various human activities such as engineering construction, farming, mining and other manual operations, the original vegetation on the surface is destroyed, rainfall and wind will cause serious water and soil erosion, and the natural landscape will also be seriously affected. In addition, there are a large number of deserts that need to be treated at home and abroad. Therefore, in the field of environmental protection, great attention is paid to the restoration of the surface environment. At the same time, many corresponding treatment technologies have emerged, but these treatment technologies have certain problems. [0003] Conventional surface repair technologies are usually divided into two types...

AI Technical Summary

Problems solved by technology

The biggest defect of the preparation of surface curing agent is that it makes the surface layer bond to form a layer of impermeable layer, while grass and other plants are covered under it and cannot grow to the ground, resulting in the surface of the curing agent becoming a layer of dead ground , organisms cannot grow

Since conventional surface curing agents are not easy to degrade naturally, they have a certain destructive effect on the environment

Due to its own defects, the surface curing agent is only suitable for the fixation of mobile sand dunes, etc., and is not suitable for the occasion of vegetation restoration

[0004] The second type is surface covering technology, which can be covered with surface covering agents. This type of chemical preparation can only temporarily cover the ground and has a certain effect on preventing dust. However, due to its insufficient strength, it will often be covered by external forces. Destruction is useless

There is also a method of directly planting plants in the surface covering method, such as live-seeding grass seeds, planting turf, covering artificial turf, etc. Due to certain conditions and high cost, it can only be used locally

[0005] There are many technologies and product applications of simple water retaining agents, all of which are limited to the single function of water absorption and water retention, and the research and application of surface repair agents have not yet been reported