Bagasse-based water retaining agent and preparation method thereof

A technology of water-retaining agent and bagasse, which is applied in the direction of chemical instruments and methods, sewage/sludge fertilizer, fertilizer made from biological waste, etc. It can solve the problems of unfavorable ecological environment, sustainable development of plant planting, failure to improve soil function, and difficulty in degradation, etc. Problems, achieve the effect of improving grafting reaction efficiency, improving water retention effect, and low price

Inactive Publication Date: 2018-08-24

GUANGXI UNIV

5 Cites 2 Cited by

AI-Extracted Technical Summary

Problems solved by technology

At present, there are many kinds of water-retaining agents, but usually they only have the effect of water retention, without the effect of improving the soil, and are no...

Abstract

The invention provides a bagasse-based water retaining agent. The bagasse-based water retaining agent comprises, by weight, 60-100 parts of bagasse, 10-20 parts of waste silk, 10-20 parts of bagasse biochar, 5-10 parts of bentonite, 10-20 parts of sludge, 50-80 parts of potassium acrylate, 0.1-3 parts of a crosslinking agent, 0.1-2 parts of an initiator and 1-5 parts of a polymerization agent. Theinvention also discloses a preparation method of the bagasse-based water retaining agent. The bagasse-based water retaining agent can significantly reduce the moisture loss of soil, has excellent water storage and water retention properties, can be degraded, and can improve the soil structure and provide necessary fertilizers and trace elements for plant growth after being degraded.

Application Domain

Agriculture tools and machinesAnimal corpse fertilisers +4

Technology Topic

FertilizerChemistry +13

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Examples

Experimental program(4)

Example Embodiment

[0038] Example 1

[0039] A bagasse-based water retaining agent comprising the following components in parts by weight:

[0040] 80 parts bagasse, 20 parts waste silk, 15 parts bagasse biochar, 5 parts bentonite, 15 parts sludge, 60 parts potassium acrylate, 2 parts crosslinking agent, 1 part initiator, 3 parts polymerizer.

[0041] The sludge is farm sludge. The crosslinking agent is glycerol. The initiators are hydrogen peroxide and potassium persulfate. The polymerization agent is ammonia water.

[0042] A method for preparing bagasse-based water retaining agent, including the following steps:

[0043] S1. Pretreatment

[0044] 1) Weigh the bagasse, crush it, and sieve through 100 mesh to obtain bagasse powder; add 0.7% H to the bagasse powder 2 O 2 And 4% NaOH, the H 2 O 2 The liquid-to-material ratio of the mixture with NaOH and bagasse is 30:1; the reaction is stirred at 85℃ for 3~5h, then suction filtered and dried; then 31ml/LCH is added 3 COOH and 9.5g/LNaCLO 2 Mixed liquid (CH in the mixed liquid 3 The concentration of COOH is 31ml/L, NaCLO 2 The concentration of 9.5g/L), the CH 3 COOH and NaCLO 2 The material-to-liquid ratio of the mixed liquid and bagasse is 30:1; the reaction is stirred at 75°C for 1h, washed with distilled water to neutrality, and dried to obtain bagasse powder.

[0045] 2) Wash, dry and crush waste silk to obtain silk powder.

[0046] 3) Mixing bagasse powder and silk powder after 1) treatment to obtain mixed powder.

[0047] 4) Dry the sludge for later use.

[0048] 5) Prepare bagasse biochar for later use. The specific method is: drying and crushing the bagasse, then first heating up to 450°C at a rate of 5°C/min, holding it for 50 minutes, and then heating up to 550°C at a rate of 1°C/min. Incubate for 2 hours, and finally cool to room temperature to obtain bagasse biomass charcoal.

[0049] S2. Graft copolymerization

[0050] Add potassium acrylate, cross-linking agent, polymerization agent and initiator to the mixed powder in step S1, and after stirring uniformly, polymerization reaction is carried out for 2 hours, and the reaction temperature is 40° C. to obtain a reactant. The crosslinking agent is glycerol; the initiator is hydrogen peroxide and potassium persulfate, and the weight ratio is 1:2; the polymerization agent is ammonia water. The weight ratio of the added mixed powder, potassium acrylate, polymerization agent, initiator, crosslinking agent and polyvinyl alcohol is 1:6:3:0.2:0.03:2.

[0051] S3. Mixed

[0052] The reactant prepared in step S2 is uniformly mixed with bentonite, biomass charcoal and dried sludge, then heated and mixed for 10-20 minutes, and finally dried and crushed to obtain a bagasse-based water retaining agent product.

Example Embodiment

[0053] Example 2

[0054] A bagasse-based water retaining agent comprising the following components in parts by weight:

[0055] 60 parts bagasse, 20 parts waste silk, 20 parts bagasse biochar, 10 parts bentonite, 10 parts sludge, 50 parts potassium acrylate, 1.5 parts crosslinking agent, 1.5 parts initiator, 2 parts polymerizer.

[0056] The sludge is farm sludge. The crosslinking agent is glycerol. The initiators are hydrogen peroxide and potassium persulfate.

[0057] The preparation method is the same as in Example 1.

Example Embodiment

[0058] Example 3

[0059] A bagasse-based water retaining agent comprising the following components in parts by weight:

[0060] 100 parts bagasse, 10 parts waste silk, 10 parts bagasse biochar, 10 parts bentonite, 20 parts sludge, 60 parts potassium acrylate, 3 parts crosslinking agent, 1 part initiator, 3 parts polymerizer.

[0061] The sludge is chemical plant sludge. The crosslinking agent is glycerol. The initiators are hydrogen peroxide and potassium persulfate.

[0062] The preparation method is the same as in Example 1.

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Classification and recommendation of technical efficacy words

improve soil structure
low cost

Microbial liquid fungicide containing pantoea alhagi and preparation method and application of microbial liquid fungicide

ActiveCN108893435Aimprove soil structureReduce soil compaction rate

Owner:NANJING SHINEKING BIOTECH CO LTD

Bagasse-based water retaining agent and preparation method thereof

AI-Extracted Technical Summary

Problems solved by technology

Abstract

Image

Examples

Example Embodiment

Example Embodiment

Example Embodiment

PUM

Description & Claims & Application Information

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