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Plant absorbing liquid for benzene ring VOCs and preparation method thereof

A technology of plant absorption and plant extraction liquid, which is applied in the field of plant absorption liquid of benzene ring VOCs and its preparation, can solve the problems of complex components of plant liquid, difficulty in grasping the absorption amount, and difficulty in understanding the absorption effect of VOCs, so as to improve absorption Treatment efficiency, easy operation, and the effect of reducing the amount of distillation

Inactive Publication Date: 2018-04-20
广东粤发四众环保服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the composition of the plant liquid is complex, and it is difficult for non-professionals to understand which components have an effective absorption effect on VOCs containing benzene rings, and it is difficult to grasp the absorption amount

Method used

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  • Plant absorbing liquid for benzene ring VOCs and preparation method thereof
  • Plant absorbing liquid for benzene ring VOCs and preparation method thereof

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preparation example Construction

[0026] A preparation method of a plant absorption liquid of benzene ring VOCs, comprising the steps of:

[0027] A. Prepare the plant extract: crush the plant extract and place it in an extraction kettle, add methanol and ethanol for extraction to obtain the plant extract;

[0028] B. Preparation of plant absorption liquid: After uniformly mixing the plant extract and emulsion, the plant absorption liquid is prepared.

[0029] Further, the plant extract in the step A is composed of the leaves of the following plants: mint, camphor tree, cinnamon tree, lemon tree, orange tree, cedar, spearmint and eucalyptus .

[0030] Further, the extraction conditions of the extraction tank in the step A are: extraction pressure 8-10 MPa, extraction temperature 45°C, carbon dioxide flow rate 22-28 L / h; extraction time 1.5-5.5 h.

[0031] Specifically, the method is as follows:

[0032] Break the plant extract into powder, put it in the extraction kettle, add a certain amount of methanol an...

Embodiment 1

[0042] A plant absorption liquid for benzene ring VOCs, including a plant extract; the plant extract includes the following components in parts by weight: 8 parts of peppermint oil, 6 parts of camphor oil, 7 parts of cinnamon oil, 6 parts of lemon oil, 3 parts pine oil, 3 parts cedar oil, 2 parts spearmint oil, and 2 parts eucalyptus oil.

Embodiment 2

[0044] A plant absorption liquid for benzene ring VOCs, including a plant extract; the plant extract includes the following components in parts by weight: 13 parts of peppermint oil, 8 parts of camphor oil, 9 parts of cinnamon oil, 8 parts of lemon oil, 6 parts pine oil, 4 parts cedar oil, 3 parts spearmint oil, and 3 parts eucalyptus oil.

[0045] The plant absorption liquid also includes an emulsion; the weight percentages of the plant extract and the emulsion in the plant absorption liquid are 15% and 85% respectively. The emulsion comprises the following components in parts by weight: 35 parts of water, 25 parts of ethanol, 20 parts of methanol, 2 parts of Tween 20 non-ionic surfactant, and 2 parts of inorganic salt.

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Abstract

The invention belongs to the technical field of benzene ring VOCs absorbing treatment, provides plant absorbing liquid for benzene ring VOCs and a preparation method thereof, and aims to solve the technical problems of low absorbing efficiency for benzene ring VOCs and that micelle is hardly formed through the plant absorbing liquid and the benzene ring VOCs in the prior art. The plant absorbing liquid comprises plant extracting liquid, wherein the plant extracting liquid comprises the following components in parts by weight: 8-13 parts of peppermint oil, 6-8 parts of camphor wood oil, 7-9 parts of cinnamon oil, 6-8 parts of lemon oil, 3-6 parts of pine oil, 3-4 parts of cedar oil, 2-3 parts of spearmint oil, and 2-3 parts of eucalyptus oil. The preparation method comprises the following steps: A, preparing the plant extracting liquid, namely, crushing plant extracts; adding to an extracting kettle, and adding methyl alcohol and ethyl alcohol to extract to obtain the plant extracting liquid; and B, preparing the plant absorbing liquid, namely, uniformly mixing the plant extracting liquid and emulsion to obtain the plant absorbing liquid. The plant absorbing liquid has the characteristics of being high in absorbing rate, and low in cost.

Description

technical field [0001] The invention belongs to the technical field of absorption and treatment of benzene ring VOCs, and in particular relates to a plant absorption liquid of benzene ring VOCs and a preparation method thereof. Background technique [0002] Plant absorption solution is an environmentally friendly VOCs treatment method. The plant absorption solution is usually obtained by extracting bark or plant juice with 30% ethanol or methanol at 45°C with a mass fraction of 30%. The absorption solution has a very high removal rate (97.2%) to methyl mercaptan. 13 -The extract was analyzed by nuclear magnetic resonance (NMR), and its main active ingredient was (-) epicatechin (EC) in the polyphenol mixture. The waste water of olive tree leaves and olive oil products was extracted with 50% ethanol aqueous solution at 60°C for 4 hours to obtain an extract. It was found that this extract had a long-lasting deodorizing effect on armpits. Extracted from mandarin orange, it is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/14
CPCB01D53/1487B01D53/1493B01D2252/504B01D2257/7027B01D2257/708Y02A50/20
Inventor 雷晓华黄俊符家振
Owner 广东粤发四众环保服务有限公司
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