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Method for regenerating green energy by utilizing coking wastewater

A coking wastewater and green energy technology, applied in chemical instruments and methods, horticultural methods, energy wastewater treatment, etc., can solve problems such as time-consuming, environmental hazards, and slow physical methods, so as to avoid recombination and increase reaction efficiency Effect

Active Publication Date: 2020-02-11
YULIN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The above research methods all have certain guiding significance for the effective treatment of coking wastewater, but these research methods also have more or less different shortcomings: the addition of chemical agents in the chemical method increases the toxicity of coking wastewater, and will also cause environmental damage. Certain hazards; physical methods may have slow results or high costs in operation; biological methods may have high costs, take a long time, or have defects such as difficulty in operation

Method used

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  • Method for regenerating green energy by utilizing coking wastewater
  • Method for regenerating green energy by utilizing coking wastewater
  • Method for regenerating green energy by utilizing coking wastewater

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] (1) Sampling:

[0046] The coking waste water was taken from the local coking plant, and the magnetic magnesium aluminum hydrotalcite was synthesized by the co-precipitation method, and the required reagents (analytical grade) were purchased from the chemical reagent factory.

[0047] (2) Pretreatment of coking wastewater:

[0048] Take a certain amount of coking wastewater, irradiate it with electron beams for 13 minutes, and measure the irradiation at 0.5 kGy; after irradiation, let it stand still for 5 minutes; then add 0.5% (w / v) magnetic magnesium aluminum to it under the condition of avoiding light Hydrotalcite, fully stirred for 10 minutes, and then filtered to collect the coking wastewater liquid.

[0049] (3) Plant planting:

[0050] Get a certain amount of pretreated coking waste water, dilute to 15% (v / v) concentration with deionized water; diameter 1mm), the selected disease-free water shield seedlings with the same height and water fern seedlings with th...

Embodiment 2

[0058] (1) Sampling:

[0059] The sampling of coking wastewater and required chemical reagents is the same as in Example 1.

[0060] (2) Pretreatment of coking wastewater:

[0061] Take a certain amount of coking wastewater, irradiate it with electron beams for 14 minutes, and measure the radiation at 0.6 kGy; after irradiation, let it stand still for 6 minutes; then add 1% (w / v) magnetic magnesium aluminum to it under the condition of avoiding light Hydrotalcite, fully stirred for 11 minutes, and then filtered to collect the coking wastewater liquid.

[0062] (3) Plant planting:

[0063] Get a certain amount of pretreated coking waste water, dilute to 20% (v / v) concentration with deionized water; diameter 2mm), the selected disease-free water shield seedlings with the same height and water fern seedlings with the same height were planted in clay pots, and each pot planted a water shield seedling and a water fern seedling, and kept a distance of 18 cm between water shield a...

Embodiment 3

[0071] (1) Sampling:

[0072] The sampling of coking wastewater and required chemical reagents is the same as in Example 1.

[0073] (2) Pretreatment of coking wastewater:

[0074] Take a certain amount of coking wastewater, irradiate it with electron beams for 15 minutes, and measure 0.7 kGy of radiation; after irradiation, let it stand still for 7 minutes; then add 1.5% (w / v) magnetic magnesium aluminum to it under the condition of avoiding light Hydrotalcite, fully stirred for 12 minutes, and then filtered to collect the coking wastewater liquid.

[0075] (3) Plant planting:

[0076] Get a certain amount of pretreated coking waste water, dilute to 22% (v / v) concentration with deionized water; diameter 13mm), the selected disease-free water shield seedlings with the same height and water fern seedlings with the same height are planted in pottery pots, one water shield seedling and one water fern seedling are planted in each pot, and the distance between water shield and w...

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Abstract

The invention discloses a method for regenerating green energy by utilizing coking wastewater, and belongs to the field of energy conservation and environmental protection. Macromolecular organic matters in the coking wastewater are degraded by means of an electron beam irradiation technology and magnetic magnesium-aluminum hydrotalcite, and the obtained treated coking wastewater dilution is usedfor irrigating plants; and electron beams are used for irradiating plants in the plant growth process, and plants obtained after plant growth is finished are converted into reducing sugar through theenzymolysis saccharification effect. The raw materials used in the method are wastes or cheap and pollution-free compounds, so the method has the characteristics of low cost, and convenience in operation; the organic components in the coking wastewater promote the growth of plants, the growth of the plants can reversely purify the coking wastewater, and the grown plants can be treated to obtain high-added-value products, so the purposes of energy conversion between the coking wastewater and the plants and regeneration of green energy are finally achieved.

Description

technical field [0001] The invention belongs to the field of energy conservation and environmental protection, and relates to a method for regenerating green energy by utilizing coking wastewater. Background technique [0002] Energy crisis and environmental pollution have always been global problems faced by human beings. The development and reuse of waste resources is an effective measure to alleviate energy crisis and environmental pollution. Coking wastewater is the production water and steam condensation wastewater from the initial cooling of coke oven gas and coking production process. It has very complex components, low biodegradability, and is difficult to biodegrade. At the same time, the concentration of various toxic and harmful pollutants is high, which not only seriously pollutes the environment , but also a direct threat to human health. It is imminent to strengthen the research on the treatment and disposal of coking wastewater. [0003] At present, the comm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/08A01G7/06A01G7/04C02F101/30
CPCC02F9/00A01G7/045A01G7/06C02F1/00C02F1/001C02F1/30C02F2101/30Y02P60/14
Inventor 相玉琳王德权相玉坤张鹏锋徐广辉
Owner YULIN UNIV
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