CN104826636A - Sulfonated bamboo charcoal processing technology - Google Patents
Sulfonated bamboo charcoal processing technology Download PDFInfo
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- CN104826636A CN104826636A CN201510114341.6A CN201510114341A CN104826636A CN 104826636 A CN104826636 A CN 104826636A CN 201510114341 A CN201510114341 A CN 201510114341A CN 104826636 A CN104826636 A CN 104826636A
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- bamboo charcoal
- sulfonation
- bamboo
- sulfonated
- processing technology
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Abstract
The invention discloses a sulfonated bamboo charcoal processing technology, wherein a thermolysis process includes a drying step, a pre-carbonizing step, a carbonizing step and a calcining step, wherein the temperature of the steps are controlled. In the technology, by means of energy supplied externally, moisture in bamboo is continuously evaporated and the components in bamboo are decomposed, thereby increasing fixed carbon content in bamboo charcoal. The mass ratio of the bamboo charcoal to fuming sulphuric acid is 1:4-1:6, so that the bamboo charcoal can be further dehydrated and carbonated to lead to construction recombination, thereby obtaining the sulfonated bamboo charcoal being good in precision. Deionized water is added for cooling the sulfonated bamboo charcoal and the sulfonated bamboo charcoal needs to wash to neutral after being cooled, and then a barium chloride water solution is employed for detecting the sulfonated bamboo charcoal to detect whether sulfate ion exists or not, thereby ensuring the quality of the sulfonated bamboo charcoal. The sulfonated bamboo charcoal is low in water content, is less in ash, is high in fixed carbon amount, is huge in market potential and is wide in prospect.
Description
Technical field
The invention belongs to bamboo charcoal manufacture field, more particularly, the present invention relates to a kind of processing technology of sulfonation bamboo charcoal.
Background technology
Bamboo charcoal is the new product developed in recent years.Compared with charcoal, bamboo charcoal has special small structure and larger specific area, thus has the excellent functions such as stronger adsorption capacity, after high-temperature activation, can be made into active carbon with better function.Bamboo charcoal and byproduct added value high, of many uses, the series of products for fields such as agricultural, chemical industry, health care, environmental protection can be produced.Sulfonation modifying is carried out to pyrolysis bamboo charcoal, successfully can introduce sulfonic acid group at carbon skeleton aromatic ring edge, obtain the sulfonation bamboo charcoal with catalytic activity.When sulfonation bamboo charcoal is used for the condensation reaction of aldehyde, ketone and ethylene glycol as catalyst, when its consumption is only 2/10000ths of aldehyde ketone molar fraction, reaction still can comparatively fast be carried out, and most aldehyde, ketone conversion ratio are more than 90%, selective good, repeat performance is good.
Summary of the invention
Problem to be solved by this invention is to provide the processing technology of the sulfonation bamboo charcoal that a kind of moisture content is low, ash content is few, fixing carbon amounts is high.
To achieve these goals, the technical scheme that the present invention takes is:
A processing technology for sulfonation bamboo charcoal, comprises the steps:
(1) get the raw materials ready
By bamboo wood by bamboo age, land occupation condition classify and pile up, pilling up time is 1-3d, and stacking temperature is 20-24 DEG C;
(2) loading of kiln
By the bamboo wood taper end of getting the raw materials ready down, butt end upward, to be intiltedly placed in kiln apart from wicket 30-50cm place;
(3) pyrolysis
Temperature in kiln is raised refining is carried out to bamboo wood;
(4) cool
Charcoal is gone out after bamboo charcoal after refining is naturally cooled to 50-60 DEG C in kiln;
(5) deposit
Screened by common bamboo charcoal, remove bulky grain, silt, dust etc., get 30-50 order, being placed in baking oven dries, and is placed in the clean warehouse of air oxygen detrition, and according to the different classify and pile ups of diverse location, degree of refining in kiln discharge date, kiln body;
(6) sulfonation
Get the bamboo charcoal deposited, add the sulfuric acid of mass fraction 50%, be warming up to 100 DEG C, constant temperature sulfonation 2-4h, after cool drying, obtain sulfonation bamboo charcoal sample;
(7) process, pack
Dried sulfonation bamboo charcoal sample is processed into difformity and size as requested successively in batches further, first inspects its degree of refining by random samples before further, processing, then process further according to the difference of degree of refining and pack.
Preferably, in described step (3), pyrolysis is divided into drying stage, pre-carbonization stage, carbonization stage, calcination stage.
Preferably, the temperature of described drying stage is 160-180 DEG C, the temperature of pre-carbonization stage is 180-340 DEG C, the temperature of carbonization stage is 350-450 DEG C, the temperature of calcination stage is 400-440 DEG C.
Preferably, the ratio of described step (6) bamboo charcoal quality and oleum quality is 1:4-1:6.
Preferably, the method for cooling in described step (6) is for adding deionized water cooling.
Preferably, need after described cooling by the washing of sulfonation bamboo charcoal to neutral, and then detect with barium chloride solution.
Beneficial effect: the processing technology that the invention provides a kind of sulfonation bamboo charcoal, pyrolysis is divided into drying stage, pre-carbonization stage, carbonization stage, the control of calcination stage and each phase temperature, rely on outside supply energy, moisture in bamboo wood is constantly evaporated, component is decomposed, improve the fixed carbon content in bamboo charcoal, the ratio of bamboo charcoal quality and oleum quality is 1:4-1:6, the further dehydration carbonization of bamboo charcoal can be made to cause reconstruction, obtain the sulfonation bamboo charcoal that precision is good, add deionized water cooling, and need the washing of sulfonation bamboo charcoal after cooling to neutral, and then detect with barium chloride solution, can detect and whether contain sulfate ion, guarantee the quality of the sulfonation bamboo charcoal obtained.The sulfonation bamboo charcoal moisture content processed is low, ash content is few, fixing carbon amounts is high, and market potential is huge, has a extensive future.
Detailed description of the invention
Embodiment 1:
A processing technology for sulfonation bamboo charcoal, comprises the steps:
(1) get the raw materials ready
By bamboo wood by bamboo age, land occupation condition classify and pile up, pilling up time is 1d, and stacking temperature is 20 DEG C;
(2) loading of kiln
By the bamboo wood taper end of getting the raw materials ready down, butt end upward, to be intiltedly placed in kiln apart from wicket 30cm place;
(3) pyrolysis
Temperature in kiln is raised refining is carried out to bamboo wood, pyrolysis is divided into drying stage, pre-carbonization stage, carbonization stage, calcination stage, and it be drying stage is respectively 160 DEG C that temperature is arranged, pre-carbonization stage is 180 DEG C, carbonization stage is 350 DEG C, calcination stage is 400 DEG C;
(4) cool
Charcoal is gone out after bamboo charcoal after refining is naturally cooled to 50 DEG C in kiln;
(5) deposit
Screened by common bamboo charcoal, remove bulky grain, silt, dust etc., get 30 orders, being placed in baking oven dries, and is placed in the clean warehouse of air oxygen detrition, and according to the different classify and pile ups of diverse location, degree of refining in kiln discharge date, kiln body;
(6) sulfonation
Get the bamboo charcoal deposited, add the sulfuric acid of mass fraction 50%, the ratio of bamboo charcoal quality and oleum quality is 1:4, be warming up to 100 DEG C, constant temperature sulfonation 2h, add deionized water cooling, need the washing of sulfonation bamboo charcoal after cooling to neutral, then detect with barium chloride solution again, till sulfate radical-free ion being detected, then after drying, obtain sulfonation bamboo charcoal sample;
(7) process, pack
Dried sulfonation bamboo charcoal sample is processed into difformity and size as requested successively in batches further, first inspects its degree of refining by random samples before further, processing, then process further according to the difference of degree of refining and pack.
Embodiment 2:
A processing technology for sulfonation bamboo charcoal, comprises the steps:
(1) get the raw materials ready
By bamboo wood by bamboo age, land occupation condition classify and pile up, pilling up time is 2d, and stacking temperature is 22 DEG C;
(2) loading of kiln
By the bamboo wood taper end of getting the raw materials ready down, butt end upward, to be intiltedly placed in kiln apart from wicket 40cm place;
(3) pyrolysis
Temperature in kiln is raised refining is carried out to bamboo wood, pyrolysis is divided into drying stage, pre-carbonization stage, carbonization stage, calcination stage, and it be drying stage is respectively 170 DEG C that temperature is arranged, pre-carbonization stage is 260 DEG C, carbonization stage is 400 DEG C, calcination stage is 420 DEG C;
(4) cool
Charcoal is gone out after bamboo charcoal after refining is naturally cooled to 55 DEG C in kiln;
(5) deposit
Screened by common bamboo charcoal, remove bulky grain, silt, dust etc., get 40 orders, being placed in baking oven dries, and is placed in the clean warehouse of air oxygen detrition, and according to the different classify and pile ups of diverse location, degree of refining in kiln discharge date, kiln body;
(6) sulfonation
Get the bamboo charcoal deposited, add the sulfuric acid of mass fraction 50%, the ratio of bamboo charcoal quality and oleum quality is 1:5, be warming up to 100 DEG C, constant temperature sulfonation 3h, add deionized water cooling, need the washing of sulfonation bamboo charcoal after cooling to neutral, then detect with barium chloride solution again, till sulfate radical-free ion being detected, then after drying, obtain sulfonation bamboo charcoal sample;
(7) process, pack
Dried sulfonation bamboo charcoal sample is processed into difformity and size as requested successively in batches further, first inspects its degree of refining by random samples before further, processing, then process further according to the difference of degree of refining and pack.
Embodiment 3:
A processing technology for sulfonation bamboo charcoal, comprises the steps:
(1) get the raw materials ready
By bamboo wood by bamboo age, land occupation condition classify and pile up, pilling up time is 3d, and stacking temperature is 24 DEG C;
(2) loading of kiln
By the bamboo wood taper end of getting the raw materials ready down, butt end upward, to be intiltedly placed in kiln apart from wicket 50cm place;
(3) pyrolysis
Temperature in kiln is raised refining is carried out to bamboo wood, pyrolysis is divided into drying stage, pre-carbonization stage, carbonization stage, calcination stage, and it be drying stage is respectively 180 DEG C that temperature is arranged, pre-carbonization stage is 340 DEG C, carbonization stage is 450 DEG C, calcination stage is 440 DEG C;
(4) cool
Charcoal is gone out after bamboo charcoal after refining is naturally cooled to 60 DEG C in kiln;
(5) deposit
Screened by common bamboo charcoal, remove bulky grain, silt, dust etc., get 50 orders, being placed in baking oven dries, and is placed in the clean warehouse of air oxygen detrition, and according to the different classify and pile ups of diverse location, degree of refining in kiln discharge date, kiln body;
(6) sulfonation
Get the bamboo charcoal deposited, add the sulfuric acid of mass fraction 50%, the ratio of bamboo charcoal quality and oleum quality is 1:6, be warming up to 100 DEG C, constant temperature sulfonation 4h, add deionized water cooling, need the washing of sulfonation bamboo charcoal after cooling to neutral, then detect with barium chloride solution again, till sulfate radical-free ion being detected, then after drying, obtain sulfonation bamboo charcoal sample;
(7) process, pack
Dried sulfonation bamboo charcoal sample is processed into difformity and size as requested successively in batches further, first inspect its degree of refining by random samples before further, processing, then process further according to the difference of degree of refining and pack.
After above PROCESS FOR TREATMENT, take out sample respectively, measurement result is as follows:
Can draw according to above table data, technical solution of the present invention, the sulfonation bamboo charcoal moisture content processed is low, ash content is few, fixing carbon amounts is high, now more be conducive to the processing of sulfonation bamboo charcoal.
The invention provides a kind of processing technology of sulfonation bamboo charcoal, pyrolysis is divided into drying stage, pre-carbonization stage, carbonization stage, the control of calcination stage and each phase temperature, rely on outside supply energy, moisture in bamboo wood is constantly evaporated, component is decomposed, improve the fixed carbon content in bamboo charcoal, the ratio of bamboo charcoal quality and oleum quality is 1:4-1:6, the further dehydration carbonization of bamboo charcoal can be made to cause reconstruction, obtain the sulfonation bamboo charcoal that precision is good, add deionized water cooling, and need the washing of sulfonation bamboo charcoal after cooling to neutral, and then detect with barium chloride solution, can detect and whether contain sulfate ion, guarantee the quality of the sulfonation bamboo charcoal obtained.The sulfonation bamboo charcoal moisture content processed is low, ash content is few, fixing carbon amounts is high, and market potential is huge, has a extensive future.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. a processing technology for sulfonation bamboo charcoal, is characterized in that, comprises the steps:
(1) get the raw materials ready
By bamboo wood by bamboo age, land occupation condition classify and pile up, pilling up time is 1-3d, and stacking temperature is 20-24 DEG C;
(2) loading of kiln
By the bamboo wood taper end of getting the raw materials ready down, butt end upward, to be intiltedly placed in kiln apart from wicket 30-50cm place;
(3) pyrolysis
Temperature in kiln is raised refining is carried out to bamboo wood;
(4) cool
Charcoal is gone out after bamboo charcoal after refining is naturally cooled to 50-60 DEG C in kiln;
(5) deposit
Screened by common bamboo charcoal, remove bulky grain, silt, dust etc., get 30-50 order, being placed in baking oven dries, and is placed in the clean warehouse of air oxygen detrition, and according to the different classify and pile ups of diverse location, degree of refining in kiln discharge date, kiln body;
(6) sulfonation
Get the bamboo charcoal deposited, add the sulfuric acid of mass fraction 50%, be warming up to 100 DEG C, constant temperature sulfonation 2-4h, after cool drying, obtain sulfonation bamboo charcoal sample;
(7) process, pack
Dried sulfonation bamboo charcoal sample is processed into difformity and size as requested successively in batches further, first inspects its degree of refining by random samples before further, processing, then process further according to the difference of degree of refining and pack.
2. according to the processing technology of a kind of sulfonation bamboo charcoal according to claim 1, it is characterized in that: in described step (3), pyrolysis is divided into drying stage, pre-carbonization stage, carbonization stage, calcination stage.
3. according to the processing technology of a kind of sulfonation bamboo charcoal according to claim 2, it is characterized in that: the temperature of described drying stage is 160-180 DEG C, the temperature of pre-carbonization stage is 180-340 DEG C, the temperature of carbonization stage is 350-450 DEG C, the temperature of calcination stage is 400-440 DEG C.
4. according to the processing technology of a kind of sulfonation bamboo charcoal according to claim 1, it is characterized in that: the ratio of described step (6) bamboo charcoal quality and oleum quality is 1:4-1:6.
5. according to the processing technology of a kind of sulfonation bamboo charcoal according to claim 1, it is characterized in that: the method for cooling in described step (6) is for adding deionized water cooling.
6. according to the processing technology of a kind of sulfonation bamboo charcoal according to claim 5, it is characterized in that: need after described cooling by the washing of sulfonation bamboo charcoal to neutral, and then detect with barium chloride solution.
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| CN201510114341.6A CN104826636A (en) | 2015-03-16 | 2015-03-16 | Sulfonated bamboo charcoal processing technology |
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| CN201510114341.6A CN104826636A (en) | 2015-03-16 | 2015-03-16 | Sulfonated bamboo charcoal processing technology |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1382625A (en) * | 2002-06-09 | 2002-12-04 | 陈文照 | Process for preparing activated carbon from bamboo |
| CN101921604A (en) * | 2010-08-30 | 2010-12-22 | 浙江建中竹业科技有限公司 | Dry distillation charring method for bamboos |
| CN102583370A (en) * | 2012-03-15 | 2012-07-18 | 江西能欣生物科技有限公司 | Production process of phosphate method activated carbon of rotary kiln |
-
2015
- 2015-03-16 CN CN201510114341.6A patent/CN104826636A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1382625A (en) * | 2002-06-09 | 2002-12-04 | 陈文照 | Process for preparing activated carbon from bamboo |
| CN101921604A (en) * | 2010-08-30 | 2010-12-22 | 浙江建中竹业科技有限公司 | Dry distillation charring method for bamboos |
| CN102583370A (en) * | 2012-03-15 | 2012-07-18 | 江西能欣生物科技有限公司 | Production process of phosphate method activated carbon of rotary kiln |
Non-Patent Citations (2)
| Title |
|---|
| 徐琼等: "磺化竹炭的制备、表征及其酸催化性能", 《新型炭材料》 * |
| 饶兰等: "竹炭基固体磺酸催化剂的制备及其催化合成癸二酸二丁酯性能研究", 《石油炼制与化工》 * |
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Application publication date: 20150812 |