Molasses alcohol waste liquid modified activated clay particle adsorbent and its preparation method and application
A technology of molasses alcohol waste liquid and particle adsorbent, which is applied in chemical instruments and methods, adsorption water/sewage treatment, and other chemical processes, and can solve the problems of easy blockage of the filter screen and poor filtration characteristics of the filter device
Active Publication Date: 2018-04-20
GUANGXI UNIV
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Problems solved by technology
Because the adsorbent is in the form of powder, it will cause poor filtration characteristics during separation, and the disadvantages of easy clogging of the filter screen of the filter device
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[0023] Study on Preparation of Activated Clay Particle Adsorbent by Modification of Molasses Alcohol Waste Liquid
[0024] 1. Research content
[0025] Principle: Because the molasses alcohol waste liquid itself contains a lot of organic substances, when the mixture of activated clay and molasses alcohol waste liquid is calcined at high temperature, the organic matter will burn to generate carbon dioxide gas, which makes the activated clay form a porous structure, thus improving the adsorption performance of the adsorbent.
[0026] Formula: Activated clay is used as the basic raw material, molasses alcohol waste liquid is used as the pore-forming agent, and aluminum trichloride is used as the binder.
[0027] Preparation method: fully stir and mix molasses alcohol waste liquid and activated clay, then dissolve aluminum trichloride with appropriate amount of deionized water to make aluminum trichloride solution, add aluminum trichloride solution to the mixture of molasses alcoh...
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The invention discloses a molasses alcohol waste liquid modified activated clay particle adsorbent, which is made of activated clay as a basic raw material, molasses alcohol waste liquid as a pore-forming agent and aluminum trichloride as a binder. Because the molasses alcohol waste liquid itself contains a large amount of organic matter, when the mixture of activated clay and molasses alcohol waste liquid is calcined at high temperature, the organic matter will burn to generate carbon dioxide gas, making the activated clay form a porous structure. Accordingly, the inventor has also established a corresponding preparation method, and finally determined its optimal process. The present invention does not introduce other conventional organic pore-forming agents, but uses molasses alcohol waste liquid, a by-product of sugar production, as a pore-enlarging agent to achieve the purpose of turning waste into treasure, save resources, and reduce the discharge of polluted waste liquid; at the same time, the present invention obtains The modified activated clay particle adsorbent has the ability to adsorb fluoride ions stably and efficiently, and can be widely used in water treatment. Therefore, the present invention realizes treating waste with waste, and obtains good circular economic benefits.
Description
technical field [0001] The invention belongs to the field of preparation and application of activated clay particles, in particular to a molasses alcohol waste liquid modified activated clay particle adsorbent and a preparation method and application thereof. Background technique [0002] Bentonite is a clay mineral mainly composed of montmorillonite. Because of its unique lamellar structure and good ion exchange performance, it has broad application prospects in the field of environmental protection. The hydrogen bentonite prepared by acidification modification of bentonite, that is, activated clay, has the advantages of large specific surface area and good pore structure, and has a wide range of applications in the field of adsorption. However, powdery activated clay has strong suspension and dispersion ability, and becomes muddy when it meets water. It has disadvantages such as poor filtration characteristics and easy clogging of the filter surface of the filter device. I...
Claims
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IPC IPC(8): B01J20/12B01J20/28B01J20/30C02F1/28
Inventor 张琳叶魏光涛李仲民邵鲁华王艺志李宽邓月
Owner GUANGXI UNIV