CN102276049A - Agent and method for treating hydrogen sulfide in coal mine water - Google Patents
Agent and method for treating hydrogen sulfide in coal mine water Download PDFInfo
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- CN102276049A CN102276049A CN2011102155910A CN201110215591A CN102276049A CN 102276049 A CN102276049 A CN 102276049A CN 2011102155910 A CN2011102155910 A CN 2011102155910A CN 201110215591 A CN201110215591 A CN 201110215591A CN 102276049 A CN102276049 A CN 102276049A
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Abstract
The invention relates to a composite agent for treating hydrogen sulfide in high-sulfur coal mine water, belonging to the field of coal mine safety. The composite agent is composed of an agent A and an agent B, wherein the agent A is a Fenton reagent and the agent B is fly ash; and when 1 m<3> of water containing 2-140 g/m<3> of hydrogen sulfide, the addition amount of the agent A is 0.33-1 kg/m<3> of FeSO4.7H2O and 0.33-1 L/m<3> H2O2 and the addition amount of the agent B is 10-20 kg/m<3>, thus the escape of hydrogen sulfide gas in mine water is effectively controlled and the escape concentration of hydrogen sulfide gas is within 6.6 ppm which is a safety standard required nationally, namely the concentration of hydrogen sulfide in water is controlled at below 136.6 mg/L. The agent selected by the invention is green, environmentally-friendly, simple, fast and efficient, and has the characteristics of low treatment cost and obvious effect.
Description
Technical field
The invention belongs to the mine safety field, relate to a kind of medicament and application in high-sulfur colliery pit water is handled thereof that possesses hydrogen sulfide in the treating water, to guarantee Safety of Coal Mine Production.
Background technology
Coal mining is especially in the recovery process in high-sulfur coal ore deposit, and outstanding or pit water is gushed out suddenly and produced a large amount of hydrogen sulfide (H with gas
2S) gas, H
2S is a kind of inflammable gas of severe toxicity, and is colourless, has the rotten egg smell, and its density is 1.19 times of air, very easily water-soluble formation hydrosulphuric acid, and its solubleness in water is CO
22.7 times, be CH
4More than 93 times.Hydrogen sulfide is a kind of irritant gas, also is a kind of choke damp, still is a kind of corrosive gas simultaneously.Concentration of hydrogen sulfide is in the time of 0.4 milligram/cubic metre, and the people can obviously smell the stink of hydrogen sulfide; In the time of 70～150 milligrams/cubic metre, suck and promptly olfactory fatigue took place in several minutes and can't smell stink, the high more olfactory fatigue of concentration is fast more, and the easy more people of making lowers one's guard; When surpassing 760 milligrams/cubic metre, in the short period of time pulmonary edema, bronchitis, pneumonia can take place, may cause life danger; Surpass 1000 milligrams/cubic metre, can cause people's sample death of shocking by electricity.Simultaneously, also entail dangers to device security of the corrodibility of hydrogen sulfide.According to statistics, the number of hydrogen sulfide poisoning is at the 4th of China's malicious number of the infected placed in the middle, and death toll occupies the 2nd.
Carrying out along with the coal mining process, contain the hydrogen sulfide that invests in the coal seam, especially the hydrogen sulfide in the high-sulfur coal layer then can be gushed out, its gush out form or single gas are gushed out or are dissolved in the pit water and gushes out with pit water, directly enter drainageway under the coal mine after gushing out, when gushing out with pit water, because the hydrogen sulfide that the perturbation action of current causes being dissolved in the water is overflowed, personnel safety and health to the coal mine working personnel has produced greatly dangerous thus, even cause the personnel death, China's coal-mine every year, the case because of hydrogen sulfide poisoning death happened occasionally.
Chinese scholars mainly concentrates on flue gas desulfurization for the hydrogen sulfide treatment Study on Technology at present, and is in space state for the processing of hydrogen sulfide in the coal mine water.
Summary of the invention
The objective of the invention is to develop a kind of medicament that is used for handling high-sulfur colliery pit water hydrogen sulfide, require this medicament fast, the hydrogen sulfide that exists in the efficient treating water, prevent that it from spilling in the air, causes potential safety hazard.
Absorption method running cost is low, and treatment effect is good, and the sorbent material kind is numerous, can not cause secondary pollution.Though catalytic oxidation running cost is higher, have processing efficiency height, the fast advantage of speed of response.Consider that no natural light, coal cutting roadway are difficult to build independent, movably water treatment construction project under the mine, and need in time apace hydrogen sulfide in the pit water of gushing out to be handled, prevent that it from spilling into the requirement in the coal cutting roadway space, so treatment process that adopts catalytic oxidation to combine with absorption method, both can control the release of hydrogen sulfide fast, can in for some time, suppress hydrogen sulfide loss in air in the water again.
The technical solution adopted in the present invention is as follows:
A kind of medicament that is used for handling coal mine water hydrogen sulfide is by A type and two kinds of medicaments of Type B
Form, it is characterized in that: A type medicament is a Fenton reagent, and the Type B medicament is a flyash, every processing 1m
3Sulfide hydrogen 2g/m
3~ 140g/m
3Pit water, the add-on of A type medicament is 0.33kg/m
3~ 1kg/m
3FeSO
47H
2O+0.33L/m
3~ 1L/m
3H
2O
2, the add-on of Type B medicament is 10kg/m
3~ 20 kg/m
3
A kind of method that is used for handling coal mine water hydrogen sulfide is characterized in that: use medicament as claimed in claim 1, order of adding is to add A type medicament earlier, adds the Type B medicament again.
During use, need to measure simultaneously respectively and regulate and control two kinds of medicaments to add dose separately, this two classes medicament must science collocation just can make it in treating processes, bring into play optimum utility, during on-the-spot the use, directly above-mentioned 2 kinds of medicaments are directly added in order the coal mine water drainageway that goes down into a mine and get final product.The A reagent that is adopted is catalytic oxidant, has extremely strong oxygenizement, can at short notice hydrogen sulfide in the water be transformed to fix, and prevents that it from spilling in the air; The B medicament has that particle diameter is little, and internal voids is abundanter, the characteristics that specific surface area is bigger, so have stronger absorption property, the compound action of two kinds of medicaments can reach the purpose of intensifying treatment effect.
Description of drawings
Fig. 1 is hydrogen sulfide effect contrast figure in hydrogen sulfide effect and Fenton reagent and the flyash individual curing water in the embodiment of the invention 1 compound treating water.
Fig. 2 is hydrogen sulfide effect contrast figure in hydrogen sulfide effect and Fenton reagent and the flyash individual curing water in the embodiment of the invention 2 compound treating water.
Fig. 3 is hydrogen sulfide effect contrast figure in hydrogen sulfide effect and Fenton reagent and the flyash individual curing water in the embodiment of the invention 3 compound treating water.
Embodiment
Embodiment 1:
The formulating vulcanization hydrogen concentration is the aqueous solution of 2600mg/L, according to adding Fenton reagent (0.33g/LFeSO earlier
47H
2O+0.33mL/LH
2O
2), the back adds the order of flyash (10g/L) offers medicine, and adopts the go down into a mine disturbance of water of the shaking speed simulation well of 160r/min, and test can be reacted through 6min and be reached balance, measuring and remaining concentration of hydrogen sulfide in the water is 130mg/L, calculates the hydrogen sulfide removal rate and reaches 95%.
In contrast,, measure its concentration, add Fenton reagent (0.33g/LFeSO therein respectively separately with the hydrogen sulfide solution of method configuration of the same race
47H
2O+0. 33mL/LH
2O
2) and flyash (10g/L), under the shaking speed of 160r/min, to react, test can get the Fenton reagent reaction and reach balance through 6min, and it is 90% that calculating can get the hydrogen sulfide maximum material removal rate; The flyash adsorption saturation time is 3h, and it is 92% that calculating can get the hydrogen sulfide maximum material removal rate.
The result as shown in Figure 1.
Embodiment 2: the formulating vulcanization hydrogen concentration is the aqueous solution of 10000mg/L, according to adding Fenton reagent (0.67g/LFeSO earlier
47H
2O+0.67mL/LH
2O
2), the back adds the order of flyash (15g/L) offers medicine, and adopts the go down into a mine disturbance of water of the shaking table simulation well of rotating speed 160r/min, and test can be reacted through 8min and be reached balance, measuring and remaining concentration of hydrogen sulfide in the water is 125mg/L, calculates the hydrogen sulfide removal rate and reaches 99%.
In contrast,, measure its concentration, add Fenton reagent (0.67g/LFeSO therein respectively separately with the hydrogen sulfide solution of method configuration of the same race
47H
2O+0.67mL/LH
2O
2) and flyash (15g/L), under the shaking speed of 160r/min, to react, test can get the Fenton reagent reaction and reach balance through 8min, and it is 92% that calculating can get the hydrogen sulfide maximum material removal rate; The flyash adsorption saturation time is 3h, and it is 95% that calculating can get the hydrogen sulfide maximum material removal rate.
The result as shown in Figure 2.
Embodiment 3: compound is to hydrogen sulfide treatment effect in the water
The formulating vulcanization hydrogen concentration is the aqueous solution of 140000mg/L, according to adding Fenton reagent (0.67g/LFeSO earlier
47H
2O+0.67mL/LH
2O
2), the back adds the order of flyash (20g/L) offers medicine, and adopts the go down into a mine disturbance of water of the shaking table simulation well of rotating speed 160r/min, and test can be reacted through 10min and be reached balance, measuring and remaining concentration of hydrogen sulfide in the water is 136mg/L, calculates the hydrogen sulfide removal rate and reaches 99.9%.
In contrast,, measure its concentration, add Fenton reagent (1g/LFeSO therein respectively separately with the hydrogen sulfide solution of method configuration of the same race
47H
2O+1mL/LH
2O
2) and flyash (20g/L), under the shaking speed of 160r/min, to react, test can get the Fenton reagent reaction and reach balance through 10min, and it is 93% that calculating can get the hydrogen sulfide maximum material removal rate; The flyash adsorption saturation time is 4h, and it is 96% that calculating can get the hydrogen sulfide maximum material removal rate.
The result as shown in Figure 3.
Claims (2)
1. medicament that is used for handling coal mine water hydrogen sulfide is by A type and two kinds of medicaments of Type B
Form, it is characterized in that: A type medicament is a Fenton reagent, and the Type B medicament is a flyash, every processing 1m
3Sulfide hydrogen 2g/m
3~ 140g/m
3Pit water, the add-on of A type medicament is 0.33kg/m
3~ 1kg/m
3FeSO
47H
2O+0.33L/m
3~ 1L/m
3H
2O
2, the add-on of Type B medicament is 10kg/m
3~ 20 kg/m
3
2. method that is used for handling coal mine water hydrogen sulfide is characterized in that: use medicament as claimed in claim 1, order of adding is to add A type medicament earlier, adds the Type B medicament again.
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| CN2011102155910A CN102276049A (en) | 2011-07-29 | 2011-07-29 | Agent and method for treating hydrogen sulfide in coal mine water |
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|---|---|---|---|
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ID=45101849
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102755984A (en) * | 2012-07-10 | 2012-10-31 | 北京大学深圳研究生院 | Harmless combined treatment method and system for sulfureted hydrogen and fly ash |
| WO2013044616A1 (en) * | 2011-09-28 | 2013-04-04 | 宇星科技发展(深圳)有限公司 | Sludge drying composite conditioner and application method thereof |
| CN103214078A (en) * | 2012-12-24 | 2013-07-24 | 华泰集团有限公司 | New use of coal ash in Fenton method sewage process, and papermaking wastewater treatment process adopting the use |
| CN106277467A (en) * | 2016-09-24 | 2017-01-04 | 合肥信达膜科技有限公司 | The processing method of hydrogen sulfide in a kind of industrial wastewater |
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2011
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| CN1899986A (en) * | 2006-07-19 | 2007-01-24 | 重庆大学 | Method for treating printing and dyeing waste water by high pressure cavitation jet combined with fenton reagent |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013044616A1 (en) * | 2011-09-28 | 2013-04-04 | 宇星科技发展(深圳)有限公司 | Sludge drying composite conditioner and application method thereof |
| US9969640B2 (en) | 2011-09-28 | 2018-05-15 | Universtar Science & Technology (Shenzhen) Co., Ltd. | Sludge drying composite conditioner and application method thereof |
| CN102755984A (en) * | 2012-07-10 | 2012-10-31 | 北京大学深圳研究生院 | Harmless combined treatment method and system for sulfureted hydrogen and fly ash |
| CN103214078A (en) * | 2012-12-24 | 2013-07-24 | 华泰集团有限公司 | New use of coal ash in Fenton method sewage process, and papermaking wastewater treatment process adopting the use |
| CN106277467A (en) * | 2016-09-24 | 2017-01-04 | 合肥信达膜科技有限公司 | The processing method of hydrogen sulfide in a kind of industrial wastewater |
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Owner name: SICHUAN COAL INDUSTRY GROUP CO., LTD. Free format text: FORMER OWNER: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING Effective date: 20120110 Owner name: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING Effective date: 20120110 |
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Effective date of registration: 20120110 Address after: Seven million seven hundred and ninety-four thousand three hundred and twenty-three Qingyang District, Chengdu City, Sichuan Province Jin Ze Road No. 1 Applicant after: Sichuan Coal Industry Group Co., Ltd. Co-applicant after: University of Science and Technology Beijing Address before: 100083 Haidian District, Xueyuan Road, No. 30, Applicant before: University of Science and Technology Beijing |
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Application publication date: 20111214 |