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Composite restoration agent for water body as well as preparation method and application thereof

A composite restoration and water body technology, applied in separation methods, chemical instruments and methods, liquid separation, etc., can solve the problems of inability to release oxygen and effectively decompose pollutants in a long-term and efficient manner, so as to improve solubility, reduce surface tension, and increase dissolved oxygen The effect of content

Inactive Publication Date: 2017-08-18
CHANGSHA HUIJU ENVIRONMENTAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] The purpose of the present invention is to provide a water body composite restoration agent to solve the technical problems in the prior art that cannot release oxygen efficiently and effectively decompose pollutants

Method used

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  • Composite restoration agent for water body as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] Embodiment 1: A kind of water body composite restoration agent and preparation method thereof

[0045] A water body composite restoration agent is prepared from the following raw materials in parts by weight:

[0046] 40 parts of polyglycerin fatty acid ester;

[0047] 40 parts of iron powder;

[0048] 15 parts of activated carbon powder;

[0049] 35 parts of sodium bentonite;

[0050] Portland cement 20 parts;

[0051] The preparation process of the above-mentioned water body composite restoration agent: mix various raw materials such as polyglycerol fatty acid ester, iron powder, activated carbon powder, sodium-based bentonite, Portland cement, etc. in proportion, add an appropriate amount of water, and fully stir and mix; then mix the mixture Inject into a honeycomb mold, extrude to form a cube, then place it at room temperature, and keep it away from light for 7 days to obtain the finished repair agent.

Embodiment 2

[0052] Embodiment 2: A kind of water body composite restoration agent and preparation method thereof

[0053] A water body composite restoration agent is prepared from the following raw materials in parts by weight:

[0054] 35 parts of polyglycerin fatty acid ester;

[0055] 30 parts of iron powder;

[0056] 10 parts of activated carbon powder;

[0057] 25 parts of sodium bentonite;

[0058] Portland cement 15 parts;

[0059] The preparation process of the above-mentioned water body composite restoration agent: mix various raw materials such as polyglycerol fatty acid ester, iron powder, activated carbon powder, sodium-based bentonite, Portland cement, etc. in proportion, add an appropriate amount of water, and fully stir and mix; then mix the mixture Inject into a honeycomb mold, extrude to form a cube, then place it at room temperature, and keep it away from light for 7 days to obtain the finished repair agent.

Embodiment 3

[0060] Embodiment 3: the restoration agent prepared by the present invention is used for the test of the restoration of polluted water body

[0061]Trials were carried out in three 1 m x 1 m test tanks. In the same polluted lake, 30L of polluted lake water was poured into the experimental pool respectively, and the initial COD content and dissolved oxygen content of the lake water were detected, see Table 1. 30 g of the restorative agent prepared in Example 1 and Example 2 were respectively put into two of the test pools, and the other test pool was used as a control without adding the preparation.

[0062] During the test period, the air temperature was 25-30°C.

[0063] After 1 day (24h) and 3 days (72h), the COD content and dissolved oxygen content of the water body were detected respectively, and the results are shown in Table 2.

[0064] Table 1 Water quality indicators of polluted lake water

[0065] index COD (mg / L) Dissolved oxygen (mg / L) content b...

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Abstract

The invention discloses a composite restoration agent for a water body. The composite restoration agent is prepared from the following raw materials in parts by weight: 35 to 40 parts of polyglycerol fatty acid ester, 30 to 40 parts of ferrous powder, 10 to 15 parts of active carbon powder, 25 to 35 parts of sodium bentonite, and 15 to 20 parts of silicate cement. A preparation method of the composite restoration agent comprises the following steps: mixing all raw materials including the polyglycerol fatty acid ester, the ferrous powder, the active carbon powder, the sodium bentonite and the silicate cement according to proportions; adding suitable amount of water to be fully stirred and mixed; then injecting into a honeycomb-shaped mould; squeezing to make a square-shaped product; then putting the square-shaped object at a room temperature; and maintaining for 7 days away from the light. The composite restoration agent for the water body, disclosed by the invention, is applied to restoration of the polluted water body, so that the restoration effect is obvious, the use is convenient, the toxicity and the pollution are avoided, the quality of the water body can be improved for a long time, and the restoration agent can be promoted and applied.

Description

[0001] Technical field: [0002] The invention relates to the technical field of water body restoration, in particular to a water body composite restoration agent and its preparation method and application. [0003] technical background: [0004] Eutrophication of water body is the main environmental problem of many lakes and reservoirs, and it is vividly called "ecological cancer". Its existence has seriously hindered the utilization of these water bodies as resources, causing heavy environmental and economic losses. [0005] The main manifestations of eutrophication in water bodies are: [0006] (1) The biomass of phytoplankton increased dramatically, but the species decreased, and the blue-green algae and green algae in the water body multiplied; [0007] (2) The large increase of plankton and bacteria leads to a large increase of suspended solids in water and a decrease in transparency; [0008] (3) A large number of phytoplankton that produce peculiar smell cause peculia...

Claims

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Application Information

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IPC IPC(8): C02F1/00C02F1/28C02F1/461C02F1/40
CPCC02F1/00C02F1/281C02F1/40C02F1/46176
Inventor 张柏林周艳易师
Owner CHANGSHA HUIJU ENVIRONMENTAL TECH CO LTD