CN113447605A - Detection method for incineration type hazardous waste - Google Patents
Detection method for incineration type hazardous waste Download PDFInfo
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- CN113447605A CN113447605A CN202110416378.XA CN202110416378A CN113447605A CN 113447605 A CN113447605 A CN 113447605A CN 202110416378 A CN202110416378 A CN 202110416378A CN 113447605 A CN113447605 A CN 113447605A
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
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Abstract
The invention relates to the technical field of hazardous waste treatment, in particular to a detection method for incineration hazardous waste, which comprises the following steps: 1) taking the incineration type hazardous waste as a sample, and weighing the sample; 2) fully burning the weighed sample in a calorimeter; 3) collecting all solutions generated by sample combustion in a calorimeter, and fixing the volume of the solutions to L by using deionized water to obtain a solution to be measured; 4) detecting the sulfur content of the solution to be detected; 5) detecting the chlorine content of the solution to be detected; 6) detecting the fluorine content of the solution to be detected; 7) and respectively calculating the total sulfur content, the total chlorine content and the total fluorine content of the burned sample. The method is convenient and rapid to detect, and can guide the hazardous waste industry to detect the total sulfur, the total chlorine and the total fluorine in the incineration hazardous waste; and the operation is simple, and a complex pretreatment process is not needed.
Description
Technical Field
The invention relates to the technical field of hazardous waste treatment, in particular to a detection method for incineration hazardous waste.
Background
Hazardous waste can pose great harm to ecological environment and human health, and how to control the harm of the hazardous waste to the environment and the human health becomes a great problem facing all countries in the world today. The hazardous waste has wide sources, various types and complex batch components, and secondary pollution is easily caused when the treatment method is poor, the operation is unstable or the risk control experience is insufficient. The waste gas generated after burning hazardous waste mostly contains a large amount of hazardous substances, wherein the three indexes of total sulfur and total chlorine and total fluorine play a key role in judging whether the tail gas emission of a hazardous waste burning system is qualified or not, particularly, the compatibility of the burning materials needs to judge whether the hazardous waste is burnt or not according to the total sulfur and total chlorine content, whether sulfur dioxide, hydrogen chloride and hydrogen fluoride in the smoke can reach the emission standard or not, and an effective method which can accurately detect the total sulfur and total chlorine and total fluorine in the hazardous waste does not exist in the prior art, and urgent improvement is needed.
Disclosure of Invention
The invention aims to provide a detection method for incineration type hazardous wastes so as to solve the problems in the background technology.
The technical problem solved by the invention is realized by adopting the following technical scheme:
a detection method for incineration type hazardous wastes comprises the following steps:
1) taking the incineration type hazardous waste as a sample, and weighing the sample;
2) fully burning the weighed sample in a calorimeter;
3) collecting all solutions generated by sample combustion in a calorimeter, and fixing the volume of the solutions to L by using deionized water to obtain a solution to be measured;
4) detecting the sulfur content of the solution to be detected;
5) detecting the chlorine content of the solution to be detected;
6) detecting the fluorine content of the solution to be detected;
7) the total sulfur, total chlorine and total fluorine contents of the burned samples were calculated according to the following formulas:
wherein:
w is the total sulfur, total chlorine and total fluorine content after incineration of the product,%;
m0: sample weighing, g, of the sample;
c0: the concentration of sulfate, chloride, total fluorine in the aqueous solution to be tested, mg/L.
Further, in step 1), the sample was weighed using a balance with an accuracy of 0.0001.
Further, in step 2), the calorimeter is an oxygen bomb calorimeter.
Further, in step 3), the collected solution includes liquid generated in an oxygen bomb of the oxygen bomb calorimeter and tail liquid.
Further, in the step 4), the method for detecting the sulfur content is a barium chromate ultraviolet spectroscopy.
Further, in the step 5), the chlorine content detection method is a silver chloride automatic potentiometric titrator method.
Further, in the step 6), the method for detecting the fluorine content is an ion activity meter method.
Has the advantages that: the detection method of the incineration hazardous waste can guide laboratories or manufacturers in the hazardous waste industry to detect total sulfur, total chlorine and total fluorine in the incineration hazardous waste, and further guide compatibility treatment before incineration of the hazardous waste, reduce subsequent tail gas treatment procedures and reduce air pollution. The method disclosed by the invention is simple to operate and does not need a complex pretreatment process.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
The embodiment provides a detection method for incineration hazardous waste, which selects 8 different hazardous waste samples for detection. Respectively pharmaceutical raw material waste liquid, organic salt slag, organic cleaning waste liquid, organic halide waste, organic residue, oil-water mixture, paint slag and sludge. The method comprises the following steps:
1) taking the incineration type hazardous waste as a sample, and weighing the sample; weighing the sample by using a balance with the precision of 0.0001;
2) fully burning the weighed sample in a calorimeter; the calorimeter is an oxygen bomb calorimeter;
3) collecting all solutions generated by combustion of a sample in the calorimeter, wherein the collected solutions comprise liquid generated in an oxygen bomb of the oxygen bomb calorimeter and tail liquid; fixing the volume of the solution to 250ml by using deionized water to obtain a solution to be detected;
4) detecting the sulfur content of the solution to be detected; the sulfur content detection method is a barium chromate ultraviolet spectroscopy method; obtaining the sulfate radical content;
5) detecting the chlorine content of the solution to be detected; the sulfur content detection method is a silver chloride automatic potentiometric titrator method to obtain chloride content;
6) detecting the fluorine content of the solution to be detected; the fluorine content detection method is an ion activity meter method to obtain the fluoride content;
7) the total sulfur, total chlorine and total fluorine contents of the burned samples were calculated according to the following formulas:
wherein:
w is the total sulfur, total chlorine and total fluorine content after incineration of the product,%;
m0: sample weighing, g, of the sample;
l is 250 ml;
c0: the concentration of sulfate, chloride, total fluorine in the aqueous solution to be tested, mg/L.
Table one example 1 test results
Example 2
Example 1
The embodiment provides a detection method for incineration hazardous waste, which selects 8 different hazardous waste samples for detection. Respectively waste PVC glue, waste catalyst, waste activated carbon, waste engine oil, waste glue, waste mineral oil, waste halogenated organic solvent and waste paint slag. The method comprises the following steps:
1) taking the incineration type hazardous waste as a sample, and weighing the sample; weighing the sample by using a balance with the precision of 0.0001;
2) fully burning the weighed sample in a calorimeter; the calorimeter is an oxygen bomb calorimeter;
3) collecting all solutions generated by combustion of a sample in the calorimeter, wherein the collected solutions comprise liquid generated in an oxygen bomb of the oxygen bomb calorimeter and tail liquid; fixing the volume of the solution to 250ml by using deionized water to obtain a solution to be detected;
4) detecting the sulfur content of the solution to be detected; the sulfur content detection method is a barium chromate ultraviolet spectroscopy method; obtaining the sulfate radical content;
5) detecting the chlorine content of the solution to be detected; the sulfur content detection method is a silver chloride automatic potentiometric titrator method to obtain chloride content;
6) detecting the fluorine content of the solution to be detected; the fluorine content detection method is an ion activity meter method to obtain the fluoride content;
7) the total sulfur, total chlorine and total fluorine contents of the burned samples were calculated according to the following formulas:
wherein:
w is the total sulfur, total chlorine and total fluorine content after incineration of the product,%;
m0: sample weighing, g, of the sample;
l is 250 ml;
c0: the concentration of sulfate, chloride, total fluorine in the aqueous solution to be tested, mg/L.
Table two example 2 test results
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A detection method for incineration type hazardous wastes is characterized by comprising the following steps:
1) taking the incineration type hazardous waste as a sample, and weighing the sample;
2) fully burning the weighed sample in a calorimeter;
3) collecting all solutions generated by sample combustion in a calorimeter, and fixing the volume of the solutions to L by using deionized water to obtain a solution to be measured;
4) detecting the sulfur content of the solution to be detected;
5) detecting the chlorine content of the solution to be detected;
6) detecting the fluorine content of the solution to be detected;
7) the total sulfur, total chlorine and total fluorine contents of the burned samples were calculated according to the following formulas:
wherein:
w is the total sulfur, total chlorine and total fluorine content after incineration of the product,%;
m0: sample weighing, g, of the sample;
c0: the concentration of sulfate, chloride, total fluorine in the aqueous solution to be tested, mg/L.
2. The method for detecting incineration-type hazardous waste according to claim 1, wherein in the step 1), the sample is weighed by using a balance with the precision of 0.0001.
3. The method for detecting incineration hazardous wastes according to claim 1, wherein in the step 2), the calorimeter is an oxygen bomb calorimeter.
4. The method for detecting incineration-type hazardous waste according to claim 3, wherein in the step 3), the collected solution comprises liquid generated in an oxygen bomb of an oxygen bomb calorimeter and tail liquid.
5. The method for detecting incineration hazardous wastes according to claim 1, wherein in the step 4), the method for detecting the sulfur content is a barium chromate ultraviolet spectroscopy.
6. The method for detecting incineration hazardous wastes according to claim 1, wherein in the step 5), the method for detecting the chlorine content is a silver chloride automatic potentiometric titrator method.
7. The method for detecting incineration hazardous wastes according to claim 1, wherein in the step 6), the method for detecting fluorine content is an ion activity meter method.
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| CN202110416378.XA CN113447605A (en) | 2021-04-19 | 2021-04-19 | Detection method for incineration type hazardous waste |
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Citations (4)
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| CN108663405A (en) * | 2018-06-19 | 2018-10-16 | 湖南师范大学 | A kind of Oxygen Bomb Combustion quickly measures the detection method of chlorine content in coal |
| CN110057896A (en) * | 2019-05-25 | 2019-07-26 | 江门市崖门新财富环保工业有限公司 | The analysis method of content of fluoride in a kind of hazardous waste |
| CN110095543A (en) * | 2019-05-17 | 2019-08-06 | 廊坊新奥龙河环保科技有限公司 | The detection method of halogen and sulfur content in a kind of dangerous waste sample |
| CN112326834A (en) * | 2020-11-05 | 2021-02-05 | 风华环保科技有限公司 | Method for detecting content of non-metal elements in solid hazardous waste |
-
2021
- 2021-04-19 CN CN202110416378.XA patent/CN113447605A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663405A (en) * | 2018-06-19 | 2018-10-16 | 湖南师范大学 | A kind of Oxygen Bomb Combustion quickly measures the detection method of chlorine content in coal |
| CN110095543A (en) * | 2019-05-17 | 2019-08-06 | 廊坊新奥龙河环保科技有限公司 | The detection method of halogen and sulfur content in a kind of dangerous waste sample |
| CN110057896A (en) * | 2019-05-25 | 2019-07-26 | 江门市崖门新财富环保工业有限公司 | The analysis method of content of fluoride in a kind of hazardous waste |
| CN112326834A (en) * | 2020-11-05 | 2021-02-05 | 风华环保科技有限公司 | Method for detecting content of non-metal elements in solid hazardous waste |
Non-Patent Citations (3)
| Title |
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| 中国环境监测总站 等: "《环境监测方法标准适用手册 第二册 气监测方法》", 30 April 2013, 中国环境出版社 * |
| 许辉 等: "《分析化学实验》", 31 August 2017, 中国农业大学出版社 * |
| 谢炜平: "《环境监测实训指导》", 31 January 2015, 中国环境出版社 * |
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