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Treating agent for organic matter-contaminated sludge, and preparation method and application thereof

A technology for sludge treatment and organic matter, which is applied in the fields of sludge treatment, botanical equipment and methods, fixed/solidified sludge treatment, etc. problems, to achieve the effect of improving resistance to repeated stubble, treating rotten seeds and buds of plants, and large processing capacity

Inactive Publication Date: 2018-04-10
吕芳芳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Stable curing technology is a relatively mature and economical and effective technology, but the curing agent used in this technology is mainly hydraulic materials such as cement, lime, gypsum, etc., which often cause problems such as hardening and volume expansion of sludge or other solid waste. Not conducive to subsequent disposal and utilization
Vermiculite is also used in the prior art, but it is generally mixed with other materials with adsorption effect, but as a common raw material, it has little effect on the solidification of organic matter in sludge

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] In the embodiment of the present invention, a sludge treatment agent for treating organic pollution, the raw materials according to parts by weight include: 30 parts of vermiculite, 5 parts of tetrahydrofurfuryl alcohol, 1 part of magnesium acetate, 11 parts of 4-hydroxybutyrolactone, 9 parts of methacrylic acid.

[0023] Mix methacrylic acid with 15 times the mass of deionized water to prepare a methacrylic acid solution; mix tetrahydrofurfuryl alcohol with 6 times its mass with deionized water to prepare a tetrahydrofurfuryl alcohol solution. Grind the vermiculite and pass it through a 120-mesh sieve, then add methacrylic acid solution, raise the temperature to 88°C and seal and stir at this temperature for 1.3h, then raise the temperature to 128°C and continue stirring at this temperature for 50min, the stirring speed is 200r / min, centrifuged and washed to obtain mixture A; the centrifugal speed was 3000r / min, and the centrifugal time was 10min. Mix mixture A with ...

Embodiment 2

[0025] In the embodiment of the present invention, a sludge treatment agent for treating organic pollution, the raw materials in parts by weight include: 40 parts of vermiculite, 12 parts of tetrahydrofurfuryl alcohol, 5 parts of magnesium acetate, 19 parts of 4-hydroxybutyrolactone, 17 parts of methacrylic acid.

[0026] Mix methacrylic acid with 16 times the mass of deionized water to prepare a methacrylic acid solution; mix tetrahydrofurfuryl alcohol with 7 times its mass with deionized water to prepare a tetrahydrofurfuryl alcohol solution. Grind the vermiculite and pass it through a 150-mesh sieve, then add methacrylic acid solution, raise the temperature to 92°C and seal and stir at this temperature for 1.4h, then raise the temperature to 130°C and continue stirring at this temperature for 55min, the stirring speed is 200r / min, centrifuged and washed to obtain mixture A; the centrifugal speed was 3000r / min, and the centrifugal time was 10min. Mix mixture A with tetrahy...

Embodiment 3

[0028] In the embodiment of the present invention, a sludge treatment agent for treating organic pollution, the raw materials according to parts by weight include: 32 parts of vermiculite, 7 parts of tetrahydrofurfuryl alcohol, 2 parts of magnesium acetate, 13 parts of 4-hydroxybutyrolactone, 11 parts of methacrylic acid.

[0029] Mix methacrylic acid with 16 times the mass of deionized water to prepare a methacrylic acid solution; mix tetrahydrofurfuryl alcohol with 7 times its mass with deionized water to prepare a tetrahydrofurfuryl alcohol solution. Grind the vermiculite and pass it through a 150-mesh sieve, then add methacrylic acid solution, raise the temperature to 90°C and seal and stir at this temperature for 1.4h, then raise the temperature to 129°C and continue stirring at this temperature for 55min, the stirring speed is 200r / min, centrifuged and washed to obtain mixture A; the centrifugal speed was 3000r / min, and the centrifugal time was 10min. Mix mixture A wit...

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PUM

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Abstract

The invention discloses a treating agent for organic matter-contaminated sludge, and a preparation method and application thereof. The sludge treating agent comprises, by weight, 30-40 parts of vermiculite, 5-12 parts of tetrahydrofurfuryl alcohol, 1-5 parts of magnesium acetate, 11-19 parts of 4-hydroxybutyrolactone and 9-17 parts of methacrylic acid. The preparation method comprises the following steps: grinding vermiculite, adding a methacrylic acid solution, carrying out heating and hermetic stirring, and then carrying out centrifugal washing so as to obtain a mixture A; subjecting the mixture A and a tetrahydrofurfuryl alcohol solution to mixing, heating and hermetic stirring, then adding magnesium acetate and 4-hydroxybutyrolactone, and carrying out heating and hermetic stirring; andsuccessively carrying out ultrasonic treatment, drying, washing, redrying and calcining so as to obtain the sludge treating agent. The sludge treating agent provided by the invention has good stabilizing effect on organic pollutants in sludge, is fast in stabilization speed, small in addition amount and good in stabilization effect, and reduces the leaching toxicity of polluted sludge. The treating agent of the invention can also be used for preventing and treating rotting of the seeds and buds of plants, realizing yield increase and income increase of crops and improving continuous croppingresistance of plants.

Description

technical field [0001] The invention relates to the technical field of sludge treatment, in particular to a sludge treatment agent for treating organic pollution, a preparation method and application thereof. Background technique [0002] Industrial enterprises will produce a large amount of sludge containing organic matter in the production process, and the organic matter in polluted rivers and lakes will eventually enter the sediment through long-term physical, chemical and biological processes. These sediments and sludges containing organic matter are faced with an urgent need for safe treatment. Safe, fast and efficient treatment of them is one of the key topics and research topics in the field of environmental governance and protection. Hot topics in this field. Stable curing technology is a relatively mature and economical and effective technology, but the curing agent used in this technology is mainly hydraulic materials such as cement, lime, gypsum, etc., which ofte...

Claims

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Application Information

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IPC IPC(8): C02F11/00A01N59/00A01N43/08A01P3/00A01P21/00C02F101/30
CPCA01N43/08A01N59/00C02F11/00C02F11/008C02F2101/30
Inventor 吕芳芳
Owner 吕芳芳
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