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CN112892199A - Purification sheet capable of decomposing formaldehyde for long time - Google Patents

Purification sheet capable of decomposing formaldehyde for long time Download PDF

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Publication number
CN112892199A
CN112892199A CN202110141964.8A CN202110141964A CN112892199A CN 112892199 A CN112892199 A CN 112892199A CN 202110141964 A CN202110141964 A CN 202110141964A CN 112892199 A CN112892199 A CN 112892199A
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parts
base material
load base
formaldehyde
sodium hyaluronate
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Chinese (zh)
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宋欢
宗绪岩
李丽
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Sichuan Youquan Environmental Protection Technology Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/81Solid phase processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/72Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/06Polluted air

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
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  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

The invention discloses a purification sheet for efficiently decomposing formaldehyde, which comprises the following raw materials of, by weight, 50-60 parts of L-histidine, 70-80 parts of L-lysine, 120 parts of L-cysteine hydrochloride and 120 parts of L-arginine, wherein the raw materials of L-histidine, L-lysine, L-cysteine hydrochloride and L-arginine are loaded on a loading base material. The amino acid reacts with formaldehyde to generate hydroxymethyl derivatives, thereby purifying the formaldehyde. The invention utilizes four amino acids of L-histidine, L-lysine, L-cysteine hydrochloride and L-arginine to prepare, and can achieve the long-acting and high-speed aldehyde removal effect on the premise of not adding other chemical substances.

Description

Purification sheet capable of decomposing formaldehyde for long time
Technical Field
The invention belongs to the field of formaldehyde purification, and particularly relates to a purification sheet for efficiently decomposing formaldehyde.
Background
With the rapid development of economy, the living standard of people is gradually improved, people have higher requirements on the quality of the home environment, and home decoration becomes fashionable. However, people often neglect the influence of the decorated living room environment on health and safety. Various indoor articles can release various harmful substances, wherein formaldehyde has great harm to human health. At present, the products for reducing formaldehyde are mainly adsorptive products such as activated carbon, diatom ooze and the like. The principle of removing formaldehyde by adsorptive products such as activated carbon, diatom ooze and the like is adsorption, and when the indoor temperature rises, the formaldehyde adsorbed in the activated carbon and the diatom ooze can be released to form a new pollution source.
Disclosure of Invention
In order to solve the above problems, the present invention provides a purification sheet for efficiently decomposing formaldehyde.
In order to achieve the purpose, the invention adopts the following technical scheme:
the purification sheet comprises raw materials of, by weight, 50-60 parts of L-histidine, 70-80 parts of L-lysine, 100 parts of L-cysteine hydrochloride and 120 parts of L-arginine, wherein the raw materials of the purification sheet are loaded on a loading base material.
Furthermore, the raw material also comprises sodium hyaluronate, and the weight part of the sodium hyaluronate is 10-15 parts.
Further, the raw material also comprises 1-5 parts by weight of sodium bicarbonate.
The preparation method of the purification sheet for efficiently decomposing formaldehyde comprises the following steps:
(1) preparing materials according to the weight parts of 50-60 parts of L-histidine, 70-80 parts of L-lysine, 120 parts of L-cysteine hydrochloride and 120 parts of L-arginine;
(2) dissolving L-histidine, L-lysine, L-cysteine hydrochloride and L-arginine in water to form a mixed solution, soaking a load base material into the mixed solution, and drying the load base material at a low temperature, wherein the temperature is not more than 30 ℃ during low-temperature drying, and the load base material is in a sheet shape.
And further comprising a step (3) of uniformly scattering 10-15 parts by weight of sodium hyaluronate powder on one surface of the load base material dried in the step (2), pressing two load base materials scattered with the sodium hyaluronate powder into one piece, and clamping one surface with the sodium hyaluronate powder by the two load base materials.
Further, in the step (2), 1-5 parts by weight of sodium bicarbonate and four kinds of amino acids are prepared into a mixed solution.
Compared with the prior art, the invention has the beneficial effects that:
when the formaldehyde remover is used, the formaldehyde remover is placed in a space needing to remove formaldehyde. The amino acid reacts with formaldehyde to generate the hydroxymethyl derivative, so that the formaldehyde is purified, the generated hydroxymethyl derivative has high stability, can not be decomposed to release the formaldehyde due to high indoor temperature, is easy to dissolve in water, and is easy to treat. The invention utilizes four amino acids of L-histidine, L-lysine, L-cysteine hydrochloride and L-arginine to prepare, and can achieve the long-acting and high-speed aldehyde removal effect on the premise of not adding other chemical substances.
Drawings
FIG. 1 is a formaldehyde removal rate test report of example 1 of the present invention.
Detailed Description
The present invention will be further described with reference to the following examples, which are intended to illustrate only some, but not all, of the embodiments of the present invention. All other embodiments that can be obtained by a person skilled in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.
The purification sheet comprises raw materials of, by weight, 50-60 parts of L-histidine, 70-80 parts of L-lysine, 100 parts of L-cysteine hydrochloride and 120 parts of L-arginine, wherein the raw materials of the purification sheet are loaded on a loading base material. The supporting substrate may be a common nonwoven fabric, a cardboard, or the like.
In the scheme, formaldehyde reacts with amino groups in amino acids to generate hydroxymethyl derivatives, so that formaldehyde is decomposed, the content of free formaldehyde in air is reduced, the degree of reaction between the formaldehyde and the amino groups is related to the content of the amino groups, the more the amino groups are contained, especially the more the primary amino groups are contained, the more the reaction is facilitated, therefore, four amino acids of L-histidine, L-lysine, L-cysteine hydrochloride and L-arginine are selected for compatibility, and the effect is optimal.
Furthermore, the raw material also comprises sodium hyaluronate, and the weight part of the sodium hyaluronate is 10-15 parts. The formaldehyde in the air is in a free state, and the formaldehyde can react with the amino acid after colliding with the amino acid on the load substrate under the flowing of the air, so the scheme has the defect of slow formaldehyde elimination rate to a certain extent, and the key for improving the formaldehyde elimination rate is to collide more formaldehyde molecules with the amino acid in unit time. According to the invention, sodium hyaluronate is added, due to the water absorption effect of sodium hyaluronate, moisture in the air is enriched on the load base material, and free formaldehyde in the air tends to flow to the load base material with high moisture content, so that the number of times of collision between formaldehyde and the load base material is increased, namely the efficiency of contact between formaldehyde and amino acid is improved. Therefore, after the sodium hyaluronate is added, the formaldehyde removal rate is improved.
Further, the raw material also comprises 1-5 parts by weight of sodium bicarbonate. The sodium bicarbonate provides an alkaline environment for amino acid, and the formaldehyde removal effect is enhanced.
The preparation method of the purification sheet for efficiently decomposing formaldehyde comprises the following steps:
(1) preparing materials according to the weight parts of 50-60 parts of L-histidine, 70-80 parts of L-lysine, 120 parts of L-cysteine hydrochloride and 120 parts of L-arginine;
(2) dissolving L-histidine, L-lysine, L-cysteine hydrochloride and L-arginine in water to form a mixed solution, soaking a load base material into the mixed solution, and drying the load base material at a low temperature, wherein the temperature is not more than 30 ℃ during low-temperature drying, and the load base material is in a sheet shape.
In the step (2), 1-5 parts by weight of sodium bicarbonate and four amino acids are prepared into a mixed solution.
In the scheme, the obtained purification sheet is characterized in that four amino acids capable of decomposing formaldehyde are loaded on the single-layer loading base material, the preparation method is simple, and industrial production is easy to realize.
And (3) uniformly scattering 10-15 parts by weight of sodium hyaluronate powder on one surface of the load base material dried in the step (2), pressing two load base materials scattered with the sodium hyaluronate powder into one piece, and clamping one surface with the sodium hyaluronate powder by the two load base materials.
In the scheme, the obtained purification sheet is provided with two layers of load base materials loaded with four amino acids for decomposing formaldehyde and sodium hyaluronate powder sandwiched between the two layers of load base materials. In the structure, because the two layers of load base materials are pressed together under high pressure, the middle sodium hyaluronate is not easy to fall off, and in the using process, water molecules in the air pass through the load base materials and are adsorbed by the middle sodium hyaluronate, under the action of the adsorption force, the flow of the air is increased, the contact between formaldehyde molecules in the air and four amino acids on the load base materials is increased, and the formaldehyde decomposition rate is improved. And with the aggregation of water molecules, sodium hyaluronate gel is formed, the four amino acids and sodium bicarbonate loaded on the base material are slightly soluble on the surface of the sodium hyaluronate gel to form micro solution, compared with a purification sheet in a dry state, the purification sheet has a slightly soluble liquid state, and the formaldehyde removal effect is better, because the micro solution has an alkaline solution of free hydroxyl, the formaldehyde removal is stronger under the condition of the alkaline solution, and the action time is longer; and because the sodium hyaluronate gel has certain viscosity, the hydroxymethyl derivative generated by the reaction of formaldehyde and amino acid is adhered to the surface of the sodium hyaluronate, and the pollution of particle waste in indoor air is avoided.
Example 1
(1) Preparing materials: 50 parts of L-histidine, 70 parts of L-lysine, 100 parts of L-cysteine hydrochloride and 100 parts of L-arginine;
(2) dissolving L-histidine, L-lysine, L-cysteine hydrochloride and L-arginine in water to form a mixed solution, soaking a load base material into the mixed solution, drying the load base material at a low temperature, wherein the temperature of the low-temperature drying is not more than 30 ℃, the load base material is in a sheet shape, and the load capacity of amino acid on the load base material is 300mg/cm2
Example 2
(1) Preparing materials: 50 parts of L-histidine, 70 parts of L-lysine, 100 parts of L-cysteine hydrochloride, 100 parts of L-arginine and 1 part of sodium bicarbonate;
(2) dissolving L-histidine, L-lysine, L-cysteine hydrochloride, L-arginine and sodium bicarbonate in water to form a mixed solution, soaking a load base material into the mixed solution, drying the load base material soaked with the aqueous solution at a temperature not more than 30 ℃, wherein the load base material is in a sheet shape, and the load capacity of amino acid on the load base material is 300mg/cm2
Example 3
(1) Preparing materials: 60 parts of L-histidine, 80 parts of L-lysine, 120 parts of L-cysteine hydrochloride, 120 parts of L-arginine and 5 parts of sodium bicarbonate;
(2) dissolving L-histidine, L-lysine, L-cysteine hydrochloride, L-arginine and sodium bicarbonate in water to form a mixed solution, soaking a load base material into the mixed solution, drying the load base material soaked with the aqueous solution at a temperature not more than 30 ℃, wherein the load base material is in a sheet shape, and the load capacity of amino acid on the load base material is 300mg/cm2
Example 4
(1) Preparing materials: preparing materials: 50 parts of L-histidine, 70 parts of L-lysine, 100 parts of L-cysteine hydrochloride, 100 parts of L-arginine and 11 parts of sodium hyaluronate;
(2) dissolving L-histidine, L-lysine, L-cysteine hydrochloride and L-arginine in water to form a mixed solution, soaking a load base material into the mixed solution, drying the load base material soaked with the aqueous solution at a temperature not higher than 30 ℃, wherein the load base material is in a sheet shape, and the loading capacity of amino acid on the load base material is 300mg/cm2
(3) And (3) uniformly scattering 11 parts by weight of sodium hyaluronate powder on one surface of the load base material dried in the step (2), pressing two load base materials scattered with the sodium hyaluronate powder into one sheet, and clamping one surface with the sodium hyaluronate powder by the two load base materials.
Example 5
(1) Preparing materials: 50 parts of L-histidine, 70 parts of L-lysine, 100 parts of L-cysteine hydrochloride, 100 parts of L-arginine and 15 parts of sodium hyaluronate;
(2) dissolving L-histidine, L-lysine, L-cysteine hydrochloride and L-arginine in water to form a mixed solution, soaking a load base material into the mixed solution, drying the load base material soaked with the aqueous solution at a temperature not higher than 30 ℃, wherein the load base material is in a sheet shape, and the loading capacity of amino acid on the load base material is 300mg/cm2
(3) And (3) uniformly scattering 11 parts by weight of sodium hyaluronate powder on one surface of the load base material dried in the step (2), pressing two load base materials scattered with the sodium hyaluronate powder into one sheet, and clamping one surface with the sodium hyaluronate powder by the two load base materials.
Example 6
(1) Preparing materials: 50 parts of L-histidine, 70 parts of L-lysine, 100 parts of L-cysteine hydrochloride, 100 parts of L-arginine, 11 parts of sodium hyaluronate and 1 part of sodium bicarbonate;
(2) dissolving L-histidine, L-lysine, L-cysteine hydrochloride, L-arginine and sodium bicarbonate in water to form a mixed solution, soaking a load base material into the mixed solution, drying the load base material soaked with the aqueous solution at a temperature not more than 30 ℃, wherein the load base material is in a sheet shape, and the load capacity of amino acid on the load base material is 300mg/cm2
(3) And (3) uniformly scattering 11 parts by weight of sodium hyaluronate powder on one surface of the load base material dried in the step (2), pressing two load base materials scattered with the sodium hyaluronate powder into one sheet, and clamping one surface with the sodium hyaluronate powder by the two load base materials.
Example 7
(1) Preparing materials: 50 parts of L-histidine, 70 parts of L-lysine, 100 parts of L-cysteine hydrochloride, 100 parts of L-arginine, 11 parts of sodium hyaluronate and 5 parts of sodium bicarbonate;
(2) dissolving L-histidine, L-lysine, L-cysteine hydrochloride, L-arginine and sodium bicarbonate in water to obtainMixing the solution, soaking the load base material into the mixed solution, and drying the load base material soaked with the aqueous solution at a temperature not more than 30 ℃, wherein the load base material is in a sheet shape, and the load capacity of amino acid on the load base material is 300mg/cm2
(3) And (3) uniformly scattering 11 parts by weight of sodium hyaluronate powder on one surface of the load base material dried in the step (2), pressing two load base materials scattered with the sodium hyaluronate powder into one sheet, and clamping one surface with the sodium hyaluronate powder by the two load base materials.
Formaldehyde purification effect test
The purification sheets obtained in examples 1 to 7 were examined for their formaldehyde removal rate by the method defined in QB/T2761-2006. 20 pieces of the samples of examples 1 to 3 were placed at 1.5m3The experiment was carried out in a test chamber, and 10 samples of examples 4 to 7 were placed at 1.5m3The experiment was carried out in a test chamber. The results are shown in Table 1.
From the data in table 1, it can be seen that: (1) in the embodiment 1, the four amino acids are loaded on the load base material to obtain the purification sheet, the formaldehyde removal rate in 24 hours is 91.0%, and the formaldehyde removal rate is high; (2) in the embodiments 2 and 3, the removal rate of formaldehyde is improved within 24h by adding sodium bicarbonate on the basis of the embodiment 1; (3) examples 4 and 5 on the basis of example 1, sodium hyaluronate is added, and the purification sheet is made into a double-layer structure, so that the formaldehyde removal rate is high; (4) examples 6 and 7 based on example 1, sodium bicarbonate and sodium hyaluronate were added, and the purification sheet was made into a double-layer structure, which provides better formaldehyde removal efficiency.
TABLE 1 results of measuring the formaldehyde removing rate of the purification sheets obtained in examples 1 to 7
Figure DEST_PATH_IMAGE002

Claims (6)

1. The purification sheet for efficiently decomposing formaldehyde is characterized in that raw materials comprise, by weight, 50-60 parts of L-histidine, 70-80 parts of L-lysine, 120 parts of L-cysteine hydrochloride and 120 parts of L-arginine, wherein the raw materials are loaded on a loading base material.
2. The purifying tablet for decomposing formaldehyde with high efficiency as claimed in claim 1, wherein the raw material further comprises sodium hyaluronate, and the weight portion of the sodium hyaluronate is 10-15.
3. The purifying tablet for decomposing formaldehyde with high efficiency according to claim 1, characterized in that the raw material further comprises 1-5 parts by weight of sodium bicarbonate.
4. A preparation method of a purification sheet for efficiently decomposing formaldehyde is characterized by comprising the following steps:
(1) preparing materials according to the weight parts of 50-60 parts of L-histidine, 70-80 parts of L-lysine, 120 parts of L-cysteine hydrochloride and 120 parts of L-arginine;
(2) dissolving L-histidine, L-lysine, L-cysteine hydrochloride and L-arginine in water to form a mixed solution, soaking a load base material into the mixed solution, and drying the load base material at a low temperature, wherein the temperature is not more than 30 ℃ during low-temperature drying, and the load base material is in a sheet shape.
5. The method for preparing a purification tablet for efficiently decomposing formaldehyde according to claim 4, wherein in the step (2), the mixed solution is prepared by mixing 1-5 parts by weight of sodium bicarbonate and four kinds of amino acids.
6. The method for preparing a purification sheet capable of efficiently decomposing formaldehyde according to claim 4 or 5, further comprising a step (3) of uniformly scattering 10 to 15 parts by weight of sodium hyaluronate powder on one side of the load base material dried in the step (2), pressing two load base materials scattered with the sodium hyaluronate powder into one sheet, and sandwiching the one side having the sodium hyaluronate powder between the two load base materials.
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JPH05161824A (en) * 1991-12-16 1993-06-29 Power Reactor & Nuclear Fuel Dev Corp Treatment of waste alcohol solution with high salt concentration
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CN110860179A (en) * 2019-12-04 2020-03-06 燕山大学 Formaldehyde scavenging agent and preparation method thereof
CN111054178A (en) * 2020-03-17 2020-04-24 北京零微科技有限公司 Formaldehyde removal purification material and preparation method and application thereof
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0457565A2 (en) * 1990-05-18 1991-11-21 Morinaga Milk Industry Co., Ltd. Milk-protein hydrolyzates and compositions for use as hair and skin treating agent
CA2069650A1 (en) * 1991-05-28 1992-11-29 Yasuyuki Suzuki Hydrogel and method of producing same
JPH05161824A (en) * 1991-12-16 1993-06-29 Power Reactor & Nuclear Fuel Dev Corp Treatment of waste alcohol solution with high salt concentration
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Application publication date: 20210604