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Method used for processing methyl orange dye waste water with bean product waste water and waste residue

A technology for soy product wastewater and dye wastewater, which is applied in the directions of oxidized water/sewage treatment, water/sludge/sewage treatment, water pollutants, etc., can solve problems such as environmental organism damage, reduce environmental damage, and prevent toxic Harmful ingredients, the effect of solving degradation

Active Publication Date: 2019-08-09
JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main characteristics of the wastewater are: COD Cr And the concentration of nitrogen is very high, the COD of comprehensive wastewater Cr 5500~10000mg / L, total N200~500mg / L, if the discharge is not up to standard, it will cause eutrophication of the water body. At the same time, the free radicals in the yellow pulp wastewater will enter the environment and cause damage to environmental organisms

Method used

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  • Method used for processing methyl orange dye waste water with bean product waste water and waste residue
  • Method used for processing methyl orange dye waste water with bean product waste water and waste residue
  • Method used for processing methyl orange dye waste water with bean product waste water and waste residue

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] (1) Take 100mL of fresh yellow pulp water (about pH 6.0) and add it to a beaker, then add methyl orange (the final concentration is 10-30mg / L), shake it well and let it stand for 48 hours with the open mouth at a temperature of 15-30 ℃. At 15°C, its oxidative degradation and fading effect is as follows: figure 1 shown.

[0028] (2) Take 100mL of fresh yellow pulp water (about pH 6.0) into the beaker, then add methyl orange (the final concentration is 10-30mg / L), shake well, seal and let it stand for 36h at a temperature of 15-30°C , at 15°C, its oxidative degradation and fading effect is as follows figure 2 shown.

Embodiment 2

[0030]Take (1) and (2) yellow slurry water that has completely faded, then add methyl orange (the final concentration is 10-20mg / L), shake well and place it at 15-30°C for 20h, at 15°C, Its oxidative degradation and fading effects are as follows: image 3 shown. Repeat 3 to 5 times, the effect is the same.

Embodiment 3

[0032] (1) Take 100mL of yellow slurry water (about pH 4.0) that has been left for 1-3 days and add it to a beaker, add methyl orange (the final concentration is 10-20 mg / L), shake well and place it at 20°C for 16 hours ,Such as Figure 4 shown.

[0033] (2) Take 100mL of yellow pulp water (about pH 4.0) that has been left for 1-3 days and add it to a beaker, add methyl orange (the final concentration is 30mg / L), shake well and place it at 20°C for 28 hours, as Figure 5 shown.

[0034] (3) Take (1) and (2) yellow slurry water that has completely faded, then add methyl orange (the final concentration is 10-30mg / L), shake well and place it at 20-28°C for 6-14h , completely faded, the effect is good, and no abnormal color appears after being placed for a period of time. Can be repeated 3 to 5 times in turn.

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Abstract

The invention discloses a method used for processing methyl orange dye waste water with bean product waste water and waste residue. According to the method, methyl orange dye waste water is treated with waste water and waste residue generated in bean product processing process, so that methyl orange dye waste water degradation is realized, and a part of toxic harmful substances generated by secondary oxidation decomposition of bean product waste water is reduced. Soybean contains a large amount of unsaturated fatty acids including oleic acid, linoleic acid, and linolenic acid, in processing process, oxidation reaction of those unsaturated fatty acids under lipoxygenase enzyme catalytic oxidation and thermopolymerization conditions is easily caused, free radicals and hydroperoxides with high reaction capacity, and secondary oxidation products such as aldehyde and ketone generated through decomposition of the hydroperoxides are generated, and enter into bean product waste water and wasteresidue, oxidation degradation of methyl orange solution is realized, decolouring effect is achieved, and the application prospect in the field of waste water processing in environment protection ispromising.

Description

technical field [0001] The invention relates to a method for treating methyl orange dye wastewater, in particular to a method for degrading methyl orange azo dye wastewater by using yellow slurry water, soaked soybean water and bean dregs produced in the production process of soybean products, which belongs to the environmental protection technology Treatment of wastewater in the field. Background technique [0002] Azo dyes are the largest variety of synthetic dyes, accounting for 80% of the total dyes discharged into the environment. Their chemical properties are stable and the composition of wastewater is complex. These dyes are synthesized with carcinogenic aromatic amines as intermediates. After being discharged into natural water bodies, they are enriched in water bodies. After being enriched in the food chain and entering the human body, they can lead to malignant diseases such as bladder cancer, ureteral cancer, and renal pelvis cancer. Methyl orange is an azo dye o...

Claims

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Application Information

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IPC IPC(8): C02F1/72C02F101/38
CPCC02F1/72C02F2101/308C02F2101/38
Inventor 高大响黄小忠
Owner JIANGSU POLYTECHNIC COLLEGE OF AGRI & FORESTRY
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