CN111318106A - Composition for removing indoor environmental pollutants - Google Patents
Composition for removing indoor environmental pollutants Download PDFInfo
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- CN111318106A CN111318106A CN202010122142.0A CN202010122142A CN111318106A CN 111318106 A CN111318106 A CN 111318106A CN 202010122142 A CN202010122142 A CN 202010122142A CN 111318106 A CN111318106 A CN 111318106A
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- composition
- indoor environmental
- indoor
- formaldehyde
- methylimidazole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/44—Organic components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/81—Solid phase processes
- B01D53/82—Solid phase processes with stationary reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/30—Ionic liquids and zwitter-ions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The composition is a non-toxic and harmless substance, is a solid or liquid, and has a bacteriostatic or bactericidal effect.
Description
Technical Field
The invention relates to the field of environmental protection, in particular to a composition for removing indoor environmental pollutants.
Background
With the improvement of living standard of people, the indoor comfort and environmental safety of space users have become the problems of people. Whether the indoor air quality can meet the standard or not is always expected by people regardless of the current domestic standard or the European standard or the American standard. How to rapidly and effectively treat indoor air becomes a major topic of the current society.
Disclosure of Invention
The first aspect of the present invention provides an indoor environmental pollutant removing composition, wherein the indoor environmental pollutant at least comprises one of formaldehyde, benzene series, ammonia and VOC.
The main harm of formaldehyde is manifested by skin damageIrritation of the skin mucosa. When the formaldehyde reaches a certain concentration indoors, people feel uncomfortable. Greater than 0.08mg/m3The formaldehyde concentration can cause redness, itching, discomfort or pain in the throat, hoarseness, sneezing, chest distress, asthma, dermatitis, etc. The newly decorated room has high formaldehyde content and is the main cause of many diseases.
In the indoor air quality evaluation, in addition to the problem that people generally care about exceeding of formaldehyde, the problem that people need to care about exceeding of ammonia is also needed. Ammonia gas has strong odor or pungent odor, is very easy to dissolve in water, and has the most basic harm to human body of damaging human respiratory tract, causing rhinitis, laryngitis, pharyngitis, irritation and burn of lung tracheal mucosa, and symptoms of pharynx burning, cough, expectoration or hemoptysis, etc. If the inhalation amount is large, pulmonary edema, larynx edema, respiratory mucosa shedding and the like can be caused, the respiratory function of a person is seriously influenced, and the acute respiratory distress syndrome manifestations of tachypnea, nasal alar movement, cyanosis and the like appear. Meanwhile, ammonia gas also has damage to eye skin, and common symptoms are easy to cause lacrimation, photophobia, blurred vision, conjunctival congestion and the like.
The benzene series compounds in the invention are benzene ring-containing compounds which are distributed in a certain distribution in the production and living environment of human beings and cause harm to the human bodies. Toluene and xylene are commonly used as solvents or diluents for various adhesives, coatings and waterproofing materials in interior decoration instead of benzene. When people inhale high-concentration toluene and xylene in a short time, central nervous system anesthesia, or dizziness, headache, nausea, chest distress, debilitation and consciousness blurring can occur, and more serious people can be coma, so that the people die due to respiratory failure. If the patient is exposed to toluene and xylene for a long time, the patient is poisoned, and phenomena of headache, insomnia, listlessness, hypomnesis and the like appear. Benzene series are also strong carcinogens.
Formaldehyde, ammonia and benzene series are produced, and volatile organic compounds are also a key concern in indoor air. Volatile organics are also known as VOCs. The various VOC's measured are collectively referred to as total volatile organics TVOC. The VOC in the indoor air mainly comes from combustion products such as coal and natural gas, smoke of smoking, heating, cooking and the like, adhesive, paint, sheet material, wallpaper and the like in building and decorative materials, furniture, household appliances, furniture, detergents, emission of human bodies and the like.
In some embodiments, the composition is a non-toxic, non-hazardous material.
In some embodiments, the composition is a solid or a liquid.
In some embodiments, the composition has bacteriostatic or bacteriocidal effects.
The invention realizes the bacteriostasis effect, which is to inhibit the growth and reproduction of microorganisms. The invention realizes the sterilization effect and kills pathogenic bacteria in objects.
In some embodiments, the components of the composition are selected from at least one of ionic liquids, high molecular weight polymeric materials, oxidizing agents, bacteriostats, solvents.
Examples of ionic liquids in the present invention include, but are not limited to, quaternary ammonium salt ions, quaternary phosphonium salt ions, imidazolium salt ions, and pyrrolate salt ions. High molecular polymer material can be used as carrier. The oxidant has an oxidizing effect and can oxidize indoor environmental pollutants so as to improve the quality of the environment.
In some embodiments, the solvent is capable of removing indoor environmental contaminants in solution, or in scrubbing.
In a second aspect, the present invention provides a method for removing indoor environmental pollutants, using the composition as described above.
In some embodiments, at least one of coating, spraying, misting, and sprinkling can be used.
In some embodiments, the indoor air quality standard can be made to meet the requirements of the european or american standard.
A third aspect of the invention provides the use of a cleaning method as described above in the environmental protection industry.
The inventor is dedicated to the research of the related technology of indoor air purification, creates a healthier and more environment-friendly office environment for enterprises and provides professional building environmental engineering and green building engineering services. The invention provides a more convenient, rapid, effective and safe indoor environmental pollutant removing composition and a removing method. Specific applications of the solutions adopted by the applicant include, but are not limited to: ShiMao mao group (time finance center, 5F/6F/33/36/38F), quyi shanghai office (da bang collaboration square), michelin tires (whole), DBS Bank star exhibition Bank (nationwide 18 branches and offices), banqi Bank (shanghai century finance square) office, Cargill us jiaji (shanghai giro trade square), Lanxess langsheng (shanghai enterprise heaven and earth), eastern organization Bank (second phase of the henglong square).
Drawings
FIG. 1 is a schematic diagram of the formaldehyde removal effect of one embodiment of the present invention;
FIG. 2 is a schematic diagram of the total content of volatile organic compounds removed by an embodiment of the present invention;
FIG. 3 is a schematic diagram of the effect of ammonia removal according to one embodiment of the present invention.
Detailed Description
The technical solution and the advantages of the present invention are further described below with reference to specific embodiments.
The indoor environmental pollutant removing composition provided by the invention can adopt corresponding solutions according to the local conditions of the whole environment of corresponding client companies. One of them is explained below as an example.
Example 1
An indoor environmental pollutant removing composition comprises, by weight, 10 parts of 1-ethyl-3-methylimidazole p-methylbenzene sulfonate, 2 parts of 1-cyanopropyl-3-methylimidazole nitrate and 8 parts of 1-ethyl acetate-3-methylimidazole hexafluorophosphate.
Example 2
An indoor environmental pollutant removing composition comprises 8 parts by weight of 1-ethyl-3-methylimidazole p-methylbenzene sulfonate, 1 part by weight of 1-cyanopropyl-3-methylimidazole nitrate and 10 parts by weight of 1-ethyl acetate-3-methylimidazole hexafluorophosphate.
Example 3
An indoor environmental pollutant removing composition comprises 6 parts by weight of 1-ethyl-3-methylimidazole p-methylbenzene sulfonate, 2 parts by weight of 1-cyanopropyl-3-methylimidazole nitrate and 8 parts by weight of 1-ethyl acetate-3-methylimidazole hexafluorophosphate.
Example 4
An indoor environmental pollutant removing composition comprises, by weight, 10 parts of 1-ethyl-3-methylimidazole p-methylbenzene sulfonate, 1 part of 1-cyanopropyl-3-methylimidazole nitrate and 6 parts of 1-ethyl acetate-3-methylimidazole hexafluorophosphate.
Example 1 was applied to the air treatment project of the bayoyi advertising limited company, and the detection of formaldehyde, ammonia, and TVOC was measured at the corresponding detection points by the spray method. The 1-ethyl-3-methylimidazole p-methylbenzene sulfonate, the 1-nitrile propyl-3-methylimidazole nitrate and the 1-ethyl acetate-3-methylimidazole hexafluorophosphate which are adopted by the invention in specific content proportion have better solubility and thermal stability, and in addition, the invention also has more proper viscosity and better complexation property, and simultaneously has better degradability.
The specific test data is as follows, and 12 months and 4 days are test results before treatment. After the treatment on day 4/12, the measurement was performed again on day 5/12, day 6/12, day 7/12, and day 8/12. The results of the detection of formaldehyde, TVOC and ammonia are shown in FIGS. 1-3.
The bacteriostatic results of the compositions of examples 1-3 are shown in the following table:
note that the average colony number of the positive control group is 4.30 × 104cfu/ml. Negative control group: PBS, medium, no bacterial growth.
The compositions of examples 1-4 were tested for acute oral toxicity using the following specific test methods:
(1) the test method comprises the following steps: disinfection technical Specification, Ministry of public health of the people's republic of China (2002)
(2) Detecting the environment: SPF animal house, certification number: SYXK (Yue) 2018-0048 at room temperature of 22 +/-1 ℃; relative humidity 60 + -5%.
(3) Test animals: kunming mouse, weight 18 ~ 22g, provided by Guangdong province medical laboratory animal center, quality certification number: no. 48563814843485.
(4) Number of animals/series: 10 male and female respectively
(5) Solvent: distilled water
(6) The infection route is as follows: via oral gavage
(7) The test method comprises the following steps: adopting a one-time limiting method, wherein the intragastric administration dosage is 5.0 g/kg; animals were fasted overnight before infection. After the infection, the symptoms or behavior changes of the poisoning are observed 2 times a day, the animals are weighed once a week, and gross pathological observation is carried out on the animals which die from the poisoning and the animals which survive 14 days of the infection.
(8) And (3) testing results: the compositions prepared in examples 1-4 above had acute oral toxicity LD50 > 5000mg/kg body weight. The experimental animals do not have any toxic symptoms and toxic death within 14 days of the infection; the average body weight of the male and female animals was not abnormal. After the experimental observation is finished, the gross pathological anatomy examination of the tested animal has no abnormality.
As can be seen from the above, the oral LD50 of examples 1-5 for mice was > 5000mg/kg, and the compositions of examples 1-4 were practically non-toxic according to acute toxicity classification.
The foregoing examples are merely illustrative and serve to explain some of the features of the method of the present invention. The appended claims are intended to claim as broad a scope as is contemplated, and the examples presented herein are merely illustrative of selected implementations in accordance with all possible combinations of examples. Accordingly, it is applicants' intention that the appended claims are not to be limited by the choice of examples illustrating features of the invention. Also, where numerical ranges are used in the claims, subranges therein are included, and variations in these ranges are also to be construed as possible being covered by the appended claims.
Claims (10)
1. An indoor environmental pollutant removing composition, which is characterized in that the indoor environmental pollutant at least comprises one of formaldehyde, benzene series, ammonia and VOC.
2. The composition of claim 1, wherein the composition is a non-toxic and non-hazardous material.
3. The composition of any one of claims 1-2, wherein the composition is a solid or a liquid.
4. A composition according to any one of claims 1 to 3, wherein the composition has bacteriostatic or bacteriocidal action.
5. The composition according to any one of claims 1 to 4, wherein the components of the composition are selected from at least one of ionic liquids, polymeric materials, oxidizing agents, bacteriostats, solvents.
6. The composition of claim 5, wherein the solvent is capable of removing indoor environmental contaminants by dissolution or extraction, or by washing.
7. A method for removing indoor environmental pollutants, characterized in that a composition according to any one of claims 1 to 6 is used.
8. The method of claim 7, wherein at least one of coating, spraying, misting, and sprinkling is used.
9. The cleaning method of claim 7, wherein the indoor air quality standard can be made to meet the requirements of the European or American standards.
10. Use of a cleaning process according to any one of claims 7 to 9 in the environmental protection industry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010122142.0A CN111318106A (en) | 2020-02-27 | 2020-02-27 | Composition for removing indoor environmental pollutants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010122142.0A CN111318106A (en) | 2020-02-27 | 2020-02-27 | Composition for removing indoor environmental pollutants |
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| Publication Number | Publication Date |
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| CN111318106A true CN111318106A (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010122142.0A Withdrawn CN111318106A (en) | 2020-02-27 | 2020-02-27 | Composition for removing indoor environmental pollutants |
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| CN (1) | CN111318106A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112957897A (en) * | 2021-02-26 | 2021-06-15 | 宁波谷轩商贸有限公司 | Formaldehyde cleaner and preparation method thereof |
| CN114797379A (en) * | 2021-05-31 | 2022-07-29 | 上海宜室建筑环境工程有限公司 | Air purifying liquid containing ionic liquid and preparation method and application thereof |
| CN114950073A (en) * | 2021-07-14 | 2022-08-30 | 上海宜室建筑环境工程有限公司 | Ion compound liquid for improving comfort and preparation method and application thereof |
| CN114950074A (en) * | 2021-07-15 | 2022-08-30 | 上海宜室建筑环境工程有限公司 | Ionic liquid composition for purifying gas in vehicle and preparation method thereof |
-
2020
- 2020-02-27 CN CN202010122142.0A patent/CN111318106A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112957897A (en) * | 2021-02-26 | 2021-06-15 | 宁波谷轩商贸有限公司 | Formaldehyde cleaner and preparation method thereof |
| CN114797379A (en) * | 2021-05-31 | 2022-07-29 | 上海宜室建筑环境工程有限公司 | Air purifying liquid containing ionic liquid and preparation method and application thereof |
| CN114797379B (en) * | 2021-05-31 | 2023-08-29 | 上海宜室建筑环境工程有限公司 | Air purifying liquid containing ionic liquid and preparation method and application thereof |
| CN114950073A (en) * | 2021-07-14 | 2022-08-30 | 上海宜室建筑环境工程有限公司 | Ion compound liquid for improving comfort and preparation method and application thereof |
| CN114950073B (en) * | 2021-07-14 | 2023-10-20 | 上海宜室建筑环境工程有限公司 | Ion compound liquid for improving comfort and preparation method and application thereof |
| CN114950074A (en) * | 2021-07-15 | 2022-08-30 | 上海宜室建筑环境工程有限公司 | Ionic liquid composition for purifying gas in vehicle and preparation method thereof |
| CN114950074B (en) * | 2021-07-15 | 2023-11-14 | 上海宜室建筑环境工程有限公司 | Ionic liquid composition for purifying gas in vehicle and preparation method thereof |
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Application publication date: 20200623 |