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Deodorant for waste transfer station and preparation method of deodorant

A technology for waste transfer station and deodorant, which is applied in separation methods, chemical instruments and methods, energy and wastewater treatment, etc. Highly effective deodorizing effect and highly concentrated effect

Active Publication Date: 2014-12-10
ANHUI UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The present invention aims at technical problems such as the unsustainable deodorizing effect of existing deodorants, and provides a deodorant for garbage transfer stations and a preparation method thereof

Method used

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  • Deodorant for waste transfer station and preparation method of deodorant
  • Deodorant for waste transfer station and preparation method of deodorant
  • Deodorant for waste transfer station and preparation method of deodorant

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] An on-site deodorization test was carried out at a garbage transfer station in Nanjing. First, a pool with a serious rancid smell and a lot of acidic gases such as hydrogen sulfide was selected, and the mixture A and the mixture B were mixed according to the mass ratio A:B=1:1.5. Dilute the mixture 10 times with water, stir it evenly, and then spray it in the garbage pool. The mass percentages of the components are: steady-state chlorine dioxide 1%; ferrous sulfate 20%; nano-titanium dioxide 0.5%; the balance water.

[0028] (1) Preparation of mixed liquid A and mixed liquid B:

[0029] Use an Erlenmeyer flask, put 500g of water, first add 25g of steady-state chlorine dioxide, stir until completely dissolved, a yellow-green clear solution is obtained. Then add 5g of nano-titanium dioxide in batches, continue to stir, the solution turns into a light yellow milky emulsion, which is recorded as mixed solution A. Add 200g of water to another Erlenmeyer flask, then add 140g FeS...

Embodiment 2

[0038] In a garbage transfer station in Nanjing, a pond with a severe pungent odor was selected, and the deodorant's ability to remove ammonia was investigated. Mixed liquid A and mixed liquid B are mixed according to the mass ratio A:B=1:0.5, and the mixed liquid is diluted 10 times with water and sprayed in the garbage compression pool. The mass percentage of each component is: steady state chlorine dioxide 1%; ferrous sulfate 20%; 0.5% of nano-titanium dioxide; balance water.

[0039] The implementation method of this embodiment includes the preparation of the mixed liquid A and the mixed liquid B, the mixing of the original liquid, the dilution and spraying, and the detection of the deodorizing effect. The specific operation method is the same as in Example 1. SKY2000-NH 3 The data obtained by the type pump suction ammonia detector shows that the deodorant prepared according to this method not only deodorizes thoroughly, but the odor concentration is reduced to less than 0.0...

Embodiment 3

[0041] In a garbage transfer station in Nanjing, a pool with both rancid and foul odors was selected, and a comprehensive deodorization test was conducted on it. The mixture A and the mixture B are mixed according to the mass ratio A:B=1:1, the mixture is diluted with water 10 times, and sprayed at the garbage transfer station with a lot of mixed gas containing sulfur and nitrogen. The mass percentage of each component is: steady state Chlorine dioxide 1%; Ferrous sulfate 20%; Nano-titanium dioxide 0.5%; The balance is water.

[0042] The implementation method of this embodiment includes the preparation of the mixed liquid A and the mixed liquid B, the mixing of the original liquid, the dilution and spraying, and the detection of the deodorizing effect. The specific operation method is the same as in Example 1. H on the scene 2 S, NH 3 Concentration detection, the results show that the deodorant can minimize the odor content, and the deodorization time can be maintained above 5 ...

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Abstract

The invention discloses a deodorant for a waste transfer station and a preparation method of the deodorant, and belongs to the technical field of deodorant preparation. The deodorant comprises the following components in percentage by mass: 16%-20% of ferrous sulfate, 1%-2% of steady-state chlorine dioxide, 0.5%-1.5% of nano-titanium dioxide and the balance of water. The preparation method comprises the following steps: firstly, stirring the water and steady-state chlorine dioxide to obtain chlorine dioxide raw liquid, adding nano-titanium dioxide into the chlorine dioxide raw liquid, and stirring the mixture to be uniform to obtain mixed liquid A; adding ferrous sulfate into another part of water, and blowing bubbles to obtain mixed liquid B; mixing the mixed liquid A with the mixed liquid B, and stirring the mixture to be uniform to finally obtain the deodorant. The deodorant has the characteristics of high efficiency and durability, and is safe and nontoxic.

Description

Technical field: [0001] The invention belongs to the technical field of deodorant preparation, and relates to a garbage transfer station deodorant and a preparation method thereof, in particular to an aqueous deodorant prepared under the interaction of titanium dioxide, chlorine dioxide and iron salt. technical background: [0002] As a non-toxic and environmentally friendly metal salt, ferrous sulfate is often used in the preparation of iron oxide pigments, water purifiers, preservatives, disinfectants, etc. Iron ions and low-valence sulfides will undergo oxidation-reduction reactions and metathesis reactions. According to these reactions, the sulfur-containing odors can be treated or the generation of odors can be suppressed, and the deodorizing effect can be more thorough. The mechanism of iron ion removal of sulfide is different under acidic and alkaline conditions, specifically: under acidic conditions, hydrogen sulfide does not ionize, and the following reactions occur: [0...

Claims

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Application Information

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IPC IPC(8): B01D53/78C02F1/52C02F1/72
CPCY02W10/37
Inventor 王猛张千峰赵强贾爱铨
Owner ANHUI UNIVERSITY OF TECHNOLOGY
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