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Carbon-based purple soil water retention agent and preparation method thereof

A purple soil and water-retaining agent technology, applied in chemical instruments and methods, soil conditioning materials, organic fertilizers, etc., can solve problems such as poor structure, low organic matter content, soil erosion, etc., and achieve improved content and stability. The effect of broad application prospects

Inactive Publication Date: 2017-11-24
刘凡领
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention: Aiming at the problems of low organic matter content, poor structure, and weak water storage and water retention capacity of purple soil, which cause the soil to be easily eroded and serious water and soil loss, the present invention provides a carbon-based purple soil water retention agent and its preparation method

Method used

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  • Carbon-based purple soil water retention agent and preparation method thereof

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example 1

[0026] Weigh 400g of mushroom stick waste, add it to a blast dryer, dry to constant weight at 105°C, then transfer it to a pulverizer for pulverization, pass through a 60-mesh sieve, and soak the sieved Pleurotus ostreatus waste material powder in 3L mass fraction is 0.5% silane coupling agent KH-560 solution for 1h, filter to obtain the filter residue, wash the filter residue with deionized water 3 times, and dry the filter residue with 300W microwave for 1h to obtain the pretreated bacteria rod waste powder, take 300g of the pretreated bacteria Soak the rod waste powder in 2L deionized water, add 2g ethyl silicate, 80mL hydrochloric acid with a mass fraction of 5%, stir at 300r / min for 20min, then use 500W ultrasonic wave for 1h, filter to obtain a filter cake, and use 300W microwave Dry the filter cake for 1 hour to obtain a carbon-based composite material. Weigh 10 g of fulvic acid, add it to 50 mL of deionized water, and stir at 300 r / min for 10 min to obtain a fulvic acid...

example 2

[0028] Weigh 600g of mushroom stick waste, add it to a blast dryer, dry to constant weight at 108°C, then transfer it to a pulverizer for pulverization, pass through a 60-mesh sieve, and soak the sieved Pleurotus ostreatus waste material powder in 4L mass fraction is 0.5% silane coupling agent KH-560 solution for 1h, filter the filter residue, wash the filter residue 4 times with deionized water, and dry the filter residue with 300W microwave for 1h to get the pretreated bacteria stick waste powder, take 400g of the pretreated bacteria Soak the rod waste powder in 2L deionized water, then add 2g ethyl silicate, 90mL hydrochloric acid with a mass fraction of 5%, stir at 300r / min for 25min, then use 500W ultrasonic wave for 1h, filter to obtain a filter cake, and use 300W microwave Dry the filter cake for 1 hour to obtain a carbon-based composite material. Weigh 15 g of fulvic acid, add it to 80 mL of deionized water, and stir at 300 r / min for 15 min to obtain a fulvic acid solut...

example 3

[0030] Weigh 800g of mushroom stick waste, add it to a blast dryer, dry to constant weight at 110°C, then transfer it to a pulverizer for pulverization, pass through a 60-mesh sieve, and soak the sieved Pleurotus ostreatus waste material powder in 5L mass fraction is 0.5% silane coupling agent KH-560 solution for 2h, filter the filter residue, wash the filter residue 5 times with deionized water, and dry the filter residue with 300W microwave for 2h to get the pretreated bacteria stick waste powder, take 600g of pretreated bacteria Soak the rod waste powder in 3L deionized water, then add 3g ethyl silicate, 100mL hydrochloric acid with a mass fraction of 5%, stir at 400r / min for 30min, then use 500W ultrasonic wave for 2h, filter to obtain filter cake, and use 300W microwave Dry the filter cake for 2 hours to obtain a carbon-based composite material. Weigh 20 g of fulvic acid, add it to 100 mL of deionized water, and stir at 400 r / min for 20 min to obtain a fulvic acid solution...

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Abstract

The invention relates to a carbon-based purple soil water retention agent and a preparation method of the water retention agent, and belongs to the technical field of soil improvement. According to the water retention agent and the preparation method, a bacterium stick waste void is deeply opened by microwave treatment; silica gel generated by hydrolysis of ethyl silicate is filled in the bacterium stick waste void by ultrasonic oscillation; the macro aggregate content and the stability of soil are increased and improved by compounding fulvic acid with the silica gel; and the problems of low organic matter content, poor structure and weak water storage and retention capacity of the soil are effectively improved by cooperating with good water storage and retention capacity of the silica gel. Bacterium stick waste is taken as a raw material; a resource is rich; the waste is recycled; and the water retention agent and the preparation method have wide application prospects.

Description

technical field [0001] The invention relates to a carbon-based purple soil water-retaining agent and a preparation method thereof, belonging to the technical field of soil improvement. Background technique [0002] Purple soil is a kind of mineral soil with shallow weathering development, low soil organic matter content, poor structure, and weak water storage and water retention capacity, and is widely distributed in the Sichuan Basin. The sloping farmland in the purple hilly area is the main part of local agricultural production. The precipitation in this area is relatively large and concentrated. Under the condition of heavy rain, the soil is easily eroded, and the water and soil loss is serious, resulting in shallow soil layer, reduced water storage and water retention capacity, and seasonal drought. and other problems worsen. Previous studies on soil and water conservation in sloping farmland mainly focused on the slope-to-terrace project, agroforestry planting, straw m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K17/40C09K101/00
CPCC09K17/40C09K2101/00
Inventor 郜九宏王之霖
Owner 刘凡领
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