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Water-retaining agent and preparation method thereof

A water-retaining agent and plant fiber technology, applied in chemical instruments and methods, organic fertilizers, fertilizer mixtures, etc., can solve the problems of high production efficiency of water-retaining agents, low water absorption rate, poor salt tolerance, etc., and improve water storage and water retention. ability, preventing surface crusting, and controlling sandy soil

Active Publication Date: 2017-07-14
SICHUAN LYUDA ENVIRONMENTAL PROTECTION SCI & TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Synthetic resin water retaining agent has high production efficiency, low cost, simple process, good water absorption performance, and high gel strength; however, it has poor salt tolerance, is not easy to degrade, and pollutes the environment
Starch water retaining agent has a wide range of raw materials, good salt resistance, easy degradation, good repeated water absorption performance, environmental protection, but poor stability, slightly lower water absorption rate
Plant cellulose water-retaining agent has wide sources of raw materials, low price, good salt tolerance, good repeated water absorption performance, strong stability, environmental protection, but the raw materials need to be purified, the preparation process is complicated, and the cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Raw materials in parts by weight: 3 parts of aloe vera gel, 50 parts of straw, 10 parts of humus, 10 parts of starch, 2 parts of iron sulfate, 25 parts of acrylic acid, 7 parts of acrylamide, and 80 parts of 27% sodium hydroxide aqueous solution.

[0030] Preparation:

[0031] 1) crushing the plant fiber and humus in the formula amount through a 200-mesh sieve;

[0032] 2) Mix the formula amount of alkali solution with acrylic acid, then add the formula amount of acrylamide, stir to dissolve;

[0033] 3) Add starch, humus and plant fiber treated in step 1) to the solution prepared in step 2) according to the formula, stir at 50°C for 60 minutes, and filter;

[0034] 4) Put the solid filtered in step 3) into the aloe vera gel and ferric sulfate solution mixed according to the formula, stir for 10 minutes, evaporate the water, dry at 105 ° C to constant weight, cool, slice, granulate and sieve The water-retaining agent can be obtained after dividing.

Embodiment 2

[0036] Raw materials in parts by weight: 5 aloe vera gel, 60 straws, 15 humus, 14 starch, 3 iron sulfate, 31 acrylic acid, 11 acrylamide, 110 31% potassium hydroxide aqueous solution.

[0037] Preparation:

[0038] 1) crushing the plant fiber and humus in the formula amount through a 200-mesh sieve;

[0039] 2) Mix the formula amount of alkali solution with acrylic acid, then add the formula amount of acrylamide, stir to dissolve;

[0040] 3) Add starch, humus and plant fiber treated in step 1) to the solution prepared in step 2) according to the formula, stir at 60°C for 80 minutes, and filter;

[0041] 4) Put the solid filtered in step 3) into the aloe vera gel and ferric sulfate solution mixed according to the formula, stir for 20 minutes, evaporate the water, dry at 105°C to constant weight, cool, slice, granulate and sieve The water-retaining agent can be obtained after dividing.

Embodiment 3

[0043] Raw materials in parts by weight: 10 parts of aloe vera gel, 70 parts of straw, 20 parts of humus, 20 parts of starch, 3 parts of iron sulfate, 35 parts of acrylic acid, 15 parts of acrylamide, and 120 parts of 37% sodium hydroxide aqueous solution.

[0044] Preparation:

[0045] 1) crushing the plant fiber and humus in the formula amount through a 200-mesh sieve;

[0046] 2) Mix the formula amount of alkali solution with acrylic acid, then add the formula amount of acrylamide, stir to dissolve;

[0047] 3) Add starch, humus and plant fiber treated in step 1) to the solution prepared in step 2) according to the formula, stir at 70°C for 120 minutes, and filter;

[0048] 4) Put the solid filtered in step 3) into the aloe vera gel and ferric sulfate solution mixed according to the formula, stir for 30 minutes, evaporate the water, dry at 105°C to constant weight, cool, slice, granulate and sieve The water-retaining agent can be obtained after dividing.

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PUM

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Abstract

The invention relates to a water-retaining agent and a preparation method, specifically to a water-retaining agent containing aloe gel and a preparation method thereof. The water-retaining agent is prepared from the following raw materials (by weight): 3-10 parts of aloe gel, 10-20 parts of humus, 50-70 parts of plant fiber, 10-20 parts of starch, 2-3 parts of ferric sulfate, 25-35 parts of acrylic acid, 7-15 parts of acrylamide, and 80-120 parts of 27-37% aqueous alkali. The water-retaining agent provided by the invention is environment-friendly, has advantages of simple process and strong water retaining capacity, and can provide nutrients essential for growth of plants, and has effects of fixing sand and preserving water and improving soil.

Description

technical field [0001] The invention relates to a water-retaining agent and a preparation method thereof, in particular to a water-retaining agent containing aloe gel and a preparation method thereof. Background technique [0002] China is one of the countries with the most severe desertification in the world, with a desertified land area of ​​2.64 million km 2 , accounting for 27.5% of the country's land area, among which the desert is the most serious hazard, and its area has reached 809,000 km 2 , and is still expanding, with an average of 610km per year 2 The left and right deserts are activated, of which 310km 2 The land was reduced to sand. Desertification has caused an imbalance in the ecosystem, and the area of ​​arable land has been shrinking, which has seriously affected China's industrial and agricultural production and people's lives. The desert and desertified land in the arid region of Northwest China have become one of the main sources of dust storms in Ch...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K17/40
CPCC09K17/40
Inventor 周宇
Owner SICHUAN LYUDA ENVIRONMENTAL PROTECTION SCI & TECH DEV
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