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Improved product for transformation of a toxic corrosive or environmentally-noxious liquid product into a non-corrosive or non-noxious residue

A product and residue technology, applied in the field of product improvement, can solve the problems of pH indicator selection, environmental hazards, etc.

Active Publication Date: 2009-10-21
玛丽-克洛德・迈耶
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Therefore, for relatively simple products, such as single-function neutralization products, such as or The choice of pH indicator is problematic
[0008] In addition, it is often difficult to know the identity of the liquid product that has been dispersed, which is rarely a pure product but an unknown mixture of environmentally harmful or toxic products

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Example 1 Use of the product of the invention on potassium hydroxide

[0048] The product according to the invention is a white powder with the following composition:

[0049] 322 grams of ammonium chloride;

[0050] 393.4 grams of boric acid;

[0051] 83.3 g Norsocryl S35;

[0052] 83.3 grams of Norsorex APX1;

[0053] 200mg Thymolphthalein / Methyl Red (50 / 50).

[0054] 100 ml of potassium hydroxide (KOH) at the concentration given in Table 1 below was spread on the work surface. The white powder was then dispersed in the amounts shown in Table 1, first around the pool and then over its entire surface.

[0055] The powder swells, turns blue, then solidifies, and the resulting residue loses its blue color and turns off-white.

[0056] Checking the pH with pH paper showed that the residue was neutralized and the pH was between 5.5 and 9.7. So you can handle it without worry.

[0057] Table 1

[0058] KOH concentration (mol / L)

Embodiment 2

[0059] Example 2 Determination of possible chromogenic indicators

[0060] The following various indicators were selected as possible indicators for use in the products of the present invention.

[0061] Chromogen 1: Nile Blue / Methyl Orange (50 / 50)

[0062] Chromogen 2: Fluorescein

[0063] Chromogenic reagent 3: sodium fluorescein / thymolphthalein (50 / 50)

[0064] Chromogenic agent 4: Nell blue / alizarin red (50 / 50)

[0065] Chromogen 5: Alizarin Yellow / Alizarin Red (56 / 44)

[0066] Chromogen 6: Thymolphthalein / Golden Lotus Orange OO (80 / 20)

[0067] Chromogenic agent 7: phenolphthalein / golden lotus orange OO (80 / 20)

[0068] Chromogenic reagent 8: phenolphthalein / methyl red (66 / 33)

[0069] Chromogenic agent 9: phenolphthalein / methyl red (80 / 20)

[0070] Chromogen 10: Methyl Red / Alizarin Yellow (66 / 33)

[0071] Chromogen 11: Thymolphthalein / Methyl Red (76 / 24)

[0072] Chromogen 12: Thymolphthalein / Methyl Red (50 / 10)

[0073] Chromogen 13: Thymolphthalein / Methyl Red...

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PUM

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Abstract

The invention relates to a product for transformation of a toxic corrosive or environmentally-noxious product into a non-corrosive or non-noxious residue, comprising at least one amphoteric agent, at least one lipophilic absorbent, at least one hydrophilic absorbent and at least one binary colored indicator, selected from the group of the following mixtures: Nile blue / alizarin red, alizarin yellow / alizarin red, thymolphthalein / methyl red, phenolphthalein / methyl red and tropaeolin OO / thymol blue and optionally an additive selected from the group comprising charge agents, granulation agents, anti-static agents and mixtures thereof.

Description

technical field [0001] The present invention relates to an improved product for converting a corrosive or environmentally harmful toxic liquid product into a non-corrosive or non-harmful residue. Background technique [0002] Such a product, which is also considered a neutralizing product, has been disclosed in French patent FR 2 784 589 and European patent EP 995 492 . Although very effective, it is impossible to know whether the dispersed toxic products have been completely neutralized. The user is therefore inclined to increase the dosage of the neutralizing product to ensure that the residue can be disposed of without risk, or as an alternative he must measure the pH of the residue. [0003] Acid-neutralized products and basic-neutralized products are commercially available that contain a color indicator that directly identifies the pH range of the residue. [0004] These products are for example manufactured by Haleco under the brand name and products for sale. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01J20/00
CPCB01J20/26B01J20/00A62D3/30A62D2101/40A62D3/36A62D2101/20
Inventor 玛丽-克洛德·迈耶洛朗斯·马狄厄塞琳·戈达尔
Owner 玛丽-克洛德・迈耶
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