CN104353429A - Process for preparing sulfide coal - Google Patents
Process for preparing sulfide coal Download PDFInfo
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- CN104353429A CN104353429A CN201410618024.3A CN201410618024A CN104353429A CN 104353429 A CN104353429 A CN 104353429A CN 201410618024 A CN201410618024 A CN 201410618024A CN 104353429 A CN104353429 A CN 104353429A
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- coal
- sulfuration
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- speed stirred
- hydrogen sulfide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3085—Chemical treatments not covered by groups B01J20/3007 - B01J20/3078
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/46—Materials comprising a mixture of inorganic and organic materials
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
The invention discloses a process for preparing sulfide coal. The process comprises the following steps: grinding feed coal to obtain powder with the diameter of 0. 5mm-0. 9mm, putting the powder into a high-speed stirring reactor which is internally provided with a spray nozzle, introducing hydrogen sulfide gas, stirring for 4-8 hours under the hydrogen sulfide gas atmosphere at the temperature of 50-80 DEG C, and then spraying sulfuric acid to coal powder, which is preliminarily sulfurated and is stirred at high speed, through the spray nozzle; performing constant-temperature stirring reaction for 4-8 hours at the stirring heating temperature of 180-200 DEG C; cooling a reactant and filtering through a plate and frame filter to obtain filter liquor and solid-phase coal; adding the solid-phase coal to a 5% calcium hydroxide solution with the weight being 0.05-0.1 time that of the coal, performing stirring reaction, standing for 2-6 hours and filtering again to obtain filter liquor and sulfide coal; and drying the sulfide coal through a hot-air blower to obtain the finished sulfide coal product. The process of preparing sulfide coal has the technical advantages of simplicity, convenience, stability, cleanness and high efficiency.
Description
Technical field
The present invention relates to a kind of technique preparing sulfuration coal.
Background technology
Sulfuration coal has that specific area is large, and surface polarity is strong, adsorption capacity is large and have the features such as good ion exchange activity, as Footwall drift in sewage cleaning agent, water softener, hydrometallurgy, the catalyst preparing active carbon and organic reaction.Sulfuration coal has ion-exchange and adsorption two effect concurrently in water, and it has good absorbability to nitro compound, amine compound, phenols, organochlorine, organophosphor etc.; In the industries such as medicine, dyestuff, agricultural chemicals for the treatment of containing phenol, fluorine-containing, containing the isoionic industrial wastewater of heavy metal and reclaim organic matter.Wherein use sulfuration coal process waste water, be not only stripped of deeply dense color, make water become clear, also make the chemical oxygen consumption (COC) of waste water, biochemical oxygen demand (BOD) reduce simultaneously.Sulfuration coal is progressively promoted as the application of environment protection treating and the useless Organic substance in water aspect of recovery.
Summary of the invention
The object of the invention is to propose a kind of technique preparing sulfuration coal.
For reaching this object, the present invention by the following technical solutions:
A kind of technique preparing sulfuration coal, feed coal is comprised the steps: to be crushed to the Powdered of particle diameter 0.5-0.9mm, put it in high-speed stirred reactor, and pass into hydrogen sulfide gas, 4-8 hour is stirred at hydrogen sulfide gas atmosphere 50-80 DEG C, in high-speed stirred reactor, be provided with nozzle, subsequently sulfuric acid sprayed to just in the tentatively sulfuration coal dust of high-speed stirred by nozzle; Now agitating heating temperature is 180 DEG C ~ 200 DEG C, constant temperature stirring reaction 4-8 hour; Cooling reactant is also filtered by flame filter press, obtain filtrate and solid phase coal, 5% aqua calcis adding its 0.05-0.1 times weight in solid phase coal is carried out stirring reaction, leave standstill and again filter after 2-6 hour, obtain filtrate and sulfuration coal, sulfuration coal obtains finished product sulfuration coal through air-heater drying.
This technique has easy, stable, clean, efficient technological merit.
Detailed description of the invention
Embodiment 1
Feed coal is crushed to the Powdered of particle diameter 0.5-0.9mm, put it in high-speed stirred reactor, and pass into hydrogen sulfide gas, stir 8 hours at hydrogen sulfide gas atmosphere 80 DEG C, in high-speed stirred reactor, be provided with nozzle, subsequently sulfuric acid sprayed to just in the tentatively sulfuration coal dust of high-speed stirred by nozzle; Now agitating heating temperature is 180 DEG C ~ 200 DEG C, constant temperature stirring reaction 4-8 hour; Cooling reactant is also filtered by flame filter press, obtain filtrate and solid phase coal, 5% aqua calcis adding its 0.05-0.1 times weight in solid phase coal is carried out stirring reaction, leave standstill and again filter after 2-6 hour, obtain filtrate and sulfuration coal, sulfuration coal obtains finished product sulfuration coal through air-heater drying.
Embodiment 2
Feed coal is crushed to the Powdered of particle diameter 0.5-0.9mm, put it in high-speed stirred reactor, and pass into hydrogen sulfide gas, stir 6 hours at hydrogen sulfide gas atmosphere 50 DEG C, in high-speed stirred reactor, be provided with nozzle, subsequently sulfuric acid sprayed to just in the tentatively sulfuration coal dust of high-speed stirred by nozzle; Now agitating heating temperature is 180 DEG C ~ 200 DEG C, constant temperature stirring reaction 4-8 hour; Cooling reactant is also filtered by flame filter press, obtain filtrate and solid phase coal, 5% aqua calcis adding its 0.05-0.1 times weight in solid phase coal is carried out stirring reaction, leave standstill and again filter after 2-6 hour, obtain filtrate and sulfuration coal, sulfuration coal obtains finished product sulfuration coal through air-heater drying.
Embodiment 3
Feed coal is crushed to the Powdered of particle diameter 0.5-0.9mm, put it in high-speed stirred reactor, and pass into hydrogen sulfide gas, 4-8 hour is stirred at hydrogen sulfide gas atmosphere 50-80 DEG C, in high-speed stirred reactor, be provided with nozzle, subsequently sulfuric acid sprayed to just in the tentatively sulfuration coal dust of high-speed stirred by nozzle; Now agitating heating temperature is 200 DEG C, constant temperature stirring reaction 4-8 hour; Cooling reactant is also filtered by flame filter press, obtain filtrate and solid phase coal, 5% aqua calcis adding its 0.05-0.1 times weight in solid phase coal is carried out stirring reaction, leave standstill and again filter after 2-6 hour, obtain filtrate and sulfuration coal, sulfuration coal obtains finished product sulfuration coal through air-heater drying.
Embodiment 4
Feed coal is crushed to the Powdered of particle diameter 0.5-0.9mm, put it in high-speed stirred reactor, and pass into hydrogen sulfide gas, 4-8 hour is stirred at hydrogen sulfide gas atmosphere 50-80 DEG C, in high-speed stirred reactor, be provided with nozzle, subsequently sulfuric acid sprayed to just in the tentatively sulfuration coal dust of high-speed stirred by nozzle; Now agitating heating temperature is 195 DEG C, constant temperature stirring reaction 4-8 hour; Cooling reactant is also filtered by flame filter press, obtain filtrate and solid phase coal, 5% aqua calcis adding its 0.05-0.1 times weight in solid phase coal is carried out stirring reaction, leave standstill and again filter after 2-6 hour, obtain filtrate and sulfuration coal, sulfuration coal obtains finished product sulfuration coal through air-heater drying.
Embodiment 5
Feed coal is crushed to the Powdered of particle diameter 0.5-0.9mm, put it in high-speed stirred reactor, and pass into hydrogen sulfide gas, 4-8 hour is stirred at hydrogen sulfide gas atmosphere 50-80 DEG C, in high-speed stirred reactor, be provided with nozzle, subsequently sulfuric acid sprayed to just in the tentatively sulfuration coal dust of high-speed stirred by nozzle; Now agitating heating temperature is 190 DEG C, constant temperature stirring reaction 4-8 hour; Cooling reactant is also filtered by flame filter press, obtain filtrate and solid phase coal, 5% aqua calcis adding its 0.05-0.1 times weight in solid phase coal is carried out stirring reaction, leave standstill and again filter after 2-6 hour, obtain filtrate and sulfuration coal, sulfuration coal obtains finished product sulfuration coal through air-heater drying.
Embodiment 6
Feed coal is crushed to the Powdered of particle diameter 0.5-0.9mm, put it in high-speed stirred reactor, and pass into hydrogen sulfide gas, 4-8 hour is stirred at hydrogen sulfide gas atmosphere 50-80 DEG C, in high-speed stirred reactor, be provided with nozzle, subsequently sulfuric acid sprayed to just in the tentatively sulfuration coal dust of high-speed stirred by nozzle; Now agitating heating temperature is 185 DEG C, constant temperature stirring reaction 4-8 hour; Cooling reactant is also filtered by flame filter press, obtain filtrate and solid phase coal, 5% aqua calcis adding its 0.05-0.1 times weight in solid phase coal is carried out stirring reaction, leave standstill and again filter after 2-6 hour, obtain filtrate and sulfuration coal, sulfuration coal obtains finished product sulfuration coal through air-heater drying.
Embodiment 7
Feed coal is crushed to the Powdered of particle diameter 0.5-0.9mm, put it in high-speed stirred reactor, and pass into hydrogen sulfide gas, 4-8 hour is stirred at hydrogen sulfide gas atmosphere 50-80 DEG C, in high-speed stirred reactor, be provided with nozzle, subsequently sulfuric acid sprayed to just in the tentatively sulfuration coal dust of high-speed stirred by nozzle; Now agitating heating temperature is 180 DEG C, constant temperature stirring reaction 4-8 hour; Cooling reactant is also filtered by flame filter press, obtain filtrate and solid phase coal, 5% aqua calcis adding its 0.05-0.1 times weight in solid phase coal is carried out stirring reaction, leave standstill and again filter after 2-6 hour, obtain filtrate and sulfuration coal, sulfuration coal obtains finished product sulfuration coal through air-heater drying.
Embodiment 8
Feed coal is crushed to the Powdered of particle diameter 0.5-0.9mm, put it in high-speed stirred reactor, and pass into hydrogen sulfide gas, 4-8 hour is stirred at hydrogen sulfide gas atmosphere 80 DEG C, in high-speed stirred reactor, be provided with nozzle, subsequently sulfuric acid sprayed to just in the tentatively sulfuration coal dust of high-speed stirred by nozzle; Now agitating heating temperature is 180 DEG C ~ 200 DEG C, constant temperature stirring reaction 4-8 hour; Cooling reactant is also filtered by flame filter press, obtain filtrate and solid phase coal, 5% aqua calcis adding its 0.05-0.1 times weight in solid phase coal is carried out stirring reaction, leave standstill and again filter after 2-6 hour, obtain filtrate and sulfuration coal, sulfuration coal obtains finished product sulfuration coal through air-heater drying.
Embodiment 9
Feed coal is crushed to the Powdered of particle diameter 0.5-0.9mm, put it in high-speed stirred reactor, and pass into hydrogen sulfide gas, 4-8 hour is stirred at hydrogen sulfide gas atmosphere 75 DEG C, in high-speed stirred reactor, be provided with nozzle, subsequently sulfuric acid sprayed to just in the tentatively sulfuration coal dust of high-speed stirred by nozzle; Now agitating heating temperature is 180 DEG C ~ 200 DEG C, constant temperature stirring reaction 4-8 hour; Cooling reactant is also filtered by flame filter press, obtain filtrate and solid phase coal, 5% aqua calcis adding its 0.05-0.1 times weight in solid phase coal is carried out stirring reaction, leave standstill and again filter after 2-6 hour, obtain filtrate and sulfuration coal, sulfuration coal obtains finished product sulfuration coal through air-heater drying.
Embodiment 10
Feed coal is crushed to the Powdered of particle diameter 0.5-0.9mm, put it in high-speed stirred reactor, and pass into hydrogen sulfide gas, 4-8 hour is stirred at hydrogen sulfide gas atmosphere 70 DEG C, in high-speed stirred reactor, be provided with nozzle, subsequently sulfuric acid sprayed to just in the tentatively sulfuration coal dust of high-speed stirred by nozzle; Now agitating heating temperature is 180 DEG C ~ 200 DEG C, constant temperature stirring reaction 4-8 hour; Cooling reactant is also filtered by flame filter press, obtain filtrate and solid phase coal, 5% aqua calcis adding its 0.05-0.1 times weight in solid phase coal is carried out stirring reaction, leave standstill and again filter after 2-6 hour, obtain filtrate and sulfuration coal, sulfuration coal obtains finished product sulfuration coal through air-heater drying.
Embodiment 11
Feed coal is crushed to the Powdered of particle diameter 0.5-0.9mm, put it in high-speed stirred reactor, and pass into hydrogen sulfide gas, 4-8 hour is stirred at hydrogen sulfide gas atmosphere 65 DEG C, in high-speed stirred reactor, be provided with nozzle, subsequently sulfuric acid sprayed to just in the tentatively sulfuration coal dust of high-speed stirred by nozzle; Now agitating heating temperature is 180 DEG C ~ 200 DEG C, constant temperature stirring reaction 4-8 hour; Cooling reactant is also filtered by flame filter press, obtain filtrate and solid phase coal, 5% aqua calcis adding its 0.05-0.1 times weight in solid phase coal is carried out stirring reaction, leave standstill and again filter after 2-6 hour, obtain filtrate and sulfuration coal, sulfuration coal obtains finished product sulfuration coal through air-heater drying.
Embodiment 12
Feed coal is crushed to the Powdered of particle diameter 0.5-0.9mm, put it in high-speed stirred reactor, and pass into hydrogen sulfide gas, 4-8 hour is stirred at hydrogen sulfide gas atmosphere 60 DEG C, in high-speed stirred reactor, be provided with nozzle, subsequently sulfuric acid sprayed to just in the tentatively sulfuration coal dust of high-speed stirred by nozzle; Now agitating heating temperature is 180 DEG C ~ 200 DEG C, constant temperature stirring reaction 4-8 hour; Cooling reactant is also filtered by flame filter press, obtain filtrate and solid phase coal, 5% aqua calcis adding its 0.05-0.1 times weight in solid phase coal is carried out stirring reaction, leave standstill and again filter after 2-6 hour, obtain filtrate and sulfuration coal, sulfuration coal obtains finished product sulfuration coal through air-heater drying.
Embodiment 13
Feed coal is crushed to the Powdered of particle diameter 0.5-0.9mm, put it in high-speed stirred reactor, and pass into hydrogen sulfide gas, 4-8 hour is stirred at hydrogen sulfide gas atmosphere 55 DEG C, in high-speed stirred reactor, be provided with nozzle, subsequently sulfuric acid sprayed to just in the tentatively sulfuration coal dust of high-speed stirred by nozzle; Now agitating heating temperature is 180 DEG C ~ 200 DEG C, constant temperature stirring reaction 4-8 hour; Cooling reactant is also filtered by flame filter press, obtain filtrate and solid phase coal, 5% aqua calcis adding its 0.05-0.1 times weight in solid phase coal is carried out stirring reaction, leave standstill and again filter after 2-6 hour, obtain filtrate and sulfuration coal, sulfuration coal obtains finished product sulfuration coal through air-heater drying.
Embodiment 14
Feed coal is crushed to the Powdered of particle diameter 0.5-0.9mm, put it in high-speed stirred reactor, and pass into hydrogen sulfide gas, 4-8 hour is stirred at hydrogen sulfide gas atmosphere 50 DEG C, in high-speed stirred reactor, be provided with nozzle, subsequently sulfuric acid sprayed to just in the tentatively sulfuration coal dust of high-speed stirred by nozzle; Now agitating heating temperature is 180 DEG C, constant temperature stirring reaction 4-8 hour; Cooling reactant is also filtered by flame filter press, obtain filtrate and solid phase coal, 5% aqua calcis adding its 0.05-0.1 times weight in solid phase coal is carried out stirring reaction, leave standstill and again filter after 2-6 hour, obtain filtrate and sulfuration coal, sulfuration coal obtains finished product sulfuration coal through air-heater drying.
Claims (1)
1. prepare the technique of sulfuration coal for one kind, it is characterized in that comprising the steps: feed coal to be crushed to the Powdered of particle diameter 0.5-0.9mm, put it in high-speed stirred reactor, and pass into hydrogen sulfide gas, 4-8 hour is stirred at hydrogen sulfide gas atmosphere 50-80 DEG C, in high-speed stirred reactor, be provided with nozzle, subsequently sulfuric acid sprayed to just in the tentatively sulfuration coal dust of high-speed stirred by nozzle; Now agitating heating temperature is 180 DEG C ~ 200 DEG C, constant temperature stirring reaction 4-8 hour; Cooling reactant is also filtered by flame filter press, obtain filtrate and solid phase coal, 5% aqua calcis adding its 0.05-0.1 times weight in solid phase coal is carried out stirring reaction, leave standstill and again filter after 2-6 hour, obtain filtrate and sulfuration coal, sulfuration coal obtains finished product sulfuration coal through air-heater drying.
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CN201410618024.3A CN104353429A (en) | 2014-11-05 | 2014-11-05 | Process for preparing sulfide coal |
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CN201410618024.3A CN104353429A (en) | 2014-11-05 | 2014-11-05 | Process for preparing sulfide coal |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2010000C1 (en) * | 1992-03-05 | 1994-03-30 | Воскресенский филиал Научно-исследовательского института по удобрениям и инсектофунгицидам им.проф.Я.В.Самойлова Научно-производственного объединения "Минудобрения" | Method of sulfonated coal producing |
CN1152546A (en) * | 1995-12-20 | 1997-06-25 | 宁夏光华活性炭厂 | Mesopore micropore fine coal quality granular activated Char and production method |
RU2213693C1 (en) * | 2002-11-22 | 2003-10-10 | Закрытое Акционерное Общество "Карбоника-Ф" | Sulfonated coal production process |
CN102430388A (en) * | 2011-09-07 | 2012-05-02 | 张建旺 | Method for preparing sulfonated coal in closed cycle |
CN102773079A (en) * | 2012-08-09 | 2012-11-14 | 王晶 | Method and system for coproducing sulfonated coal and humic acid by using sulfuric acid |
CN202921325U (en) * | 2012-08-09 | 2013-05-08 | 北京康瑞新源净化技术有限公司 | System for coproduction of sulfonated coal and humic acid by using sulfuric acid |
-
2014
- 2014-11-05 CN CN201410618024.3A patent/CN104353429A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2010000C1 (en) * | 1992-03-05 | 1994-03-30 | Воскресенский филиал Научно-исследовательского института по удобрениям и инсектофунгицидам им.проф.Я.В.Самойлова Научно-производственного объединения "Минудобрения" | Method of sulfonated coal producing |
CN1152546A (en) * | 1995-12-20 | 1997-06-25 | 宁夏光华活性炭厂 | Mesopore micropore fine coal quality granular activated Char and production method |
RU2213693C1 (en) * | 2002-11-22 | 2003-10-10 | Закрытое Акционерное Общество "Карбоника-Ф" | Sulfonated coal production process |
CN102430388A (en) * | 2011-09-07 | 2012-05-02 | 张建旺 | Method for preparing sulfonated coal in closed cycle |
CN102773079A (en) * | 2012-08-09 | 2012-11-14 | 王晶 | Method and system for coproducing sulfonated coal and humic acid by using sulfuric acid |
CN202921325U (en) * | 2012-08-09 | 2013-05-08 | 北京康瑞新源净化技术有限公司 | System for coproduction of sulfonated coal and humic acid by using sulfuric acid |
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