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Modified corncob adsorbent for removing kanamycin through adsorption

A kanamycin and corncob technology, which is applied in adsorption water/sewage treatment, water/sludge/sewage treatment, other chemical processes, etc., can solve the problems of low adsorption capacity, poor selectivity of antibiotics, lack of antibiotics, etc. The effect of strong selection, strong anti-interference ability and high adsorption capacity

Inactive Publication Date: 2017-07-25
北京益净环保设备科技有限公司
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

[0003] However, commonly used adsorbents have disadvantages such as poor selectivity to specific antibiotics, low adsorption capacity, and susceptibility to environmental factors, which limits the application and development of adsorption technology in antibiotic wastewater treatment. Therefore, for specific kanamycin antibiotics, The research and preparation of new adsorbent materials need to be further strengthened, especially the lack of adsorbents for adsorption and removal of kanamycin

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] (1) 500 grams of corncobs are placed in a pulverizer to pulverize, and sieved with sieves with apertures of 4mm and 6mm respectively to obtain corncobs with a particle size of 4 to 6mm;

[0045] (2) 85 grams of corn cobs obtained by step (1) are washed with 500 mL of deionized water and then soaked in 500 mL of absolute ethanol for 1 hour. After filtering, the liquid is removed to obtain substance P. After substance P is washed with 350 mL of deionized water To obtain substance P1, put substance P1 into 500mL of NaOH solution with a molar concentration of 3.7mol / L and soak for 1 hour, remove the liquid after filtration to obtain substance P2, and obtain substance P3 after substance P2 is washed with 500mL deionized water. Substance Q was obtained after being placed in a drying oven at 40°C for 36 hours;

[0046] (3) Add 12.96 grams of 2-fluoro-4-methyl-5-bromopyridine and 3.84 grams of 2-hydroxy-5-iodopyridine to 800 ml of absolute ethanol, stir for 5 minutes at 1000r / m...

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PUM

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Abstract

The invention discloses a modified corncob adsorbent for removing kanamycin through adsorption. The modified corncob adsorbent is prepared through the following steps of selecting corncob of which the particle size is 4-6mm, washing the corncobs with deionized water, absolute ethyl alcohol and an NaOH solution and drying to obtain a substance Q; modifying the substance Q with a mixed liquid prepared from 2-fluoro-4-methyl-5-bromopyridine, 2-hydroxy-5-iodopyridine, 2-chloro-3-thiotolene, chromone-3-formaldehyde, benzalacetone, pyrazoloanthrone and di-tert-amylbenzoquinone, thus obtaining a substance R; and modifying the substance R with a mixed liquid prepared from cesium iodide, manganese sulfate, sulfur hexafluoride, nickel fluoride, hydroxylamine hydrochloride, hydrazine sulfate and potassium fluoride, thus obtaining a substance, namely the modified corncob adsorbent for removing the kanamycin through adsorption.

Description

technical field [0001] The invention belongs to the technical field of adsorption treatment of antibiotic wastewater treatment, and in particular relates to a modified corncob adsorbent used for adsorbing and removing kanamycin. Background technique [0002] Antibiotic wastewater is a kind of high-concentration organic wastewater with deep color, high content of suspended solids, and high salt content. It has extremely complex components and has caused great harm to the environment. It has been listed by many foreign developed countries as a key environmental problem in the new era. The use of antibiotics will induce drug-resistant strains, and the continuous emergence of highly drug-resistant bacteria will seriously affect the ecosystem, cause toxicity to aquatic organisms, and threaten human health through food chain enrichment. Therefore, the management of antibiotics in the environment is particularly important. Antibiotics represented by kanamycin are broad-spectrum ba...

Claims

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Application Information

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IPC IPC(8): B01J20/24B01J20/30C02F1/28
CPCB01J20/24C02F1/286C02F2103/343
Inventor 不公告发明人
Owner 北京益净环保设备科技有限公司
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