CN103301811A - preparation method of biomass charcoal adsorbent and method for treating oily wastewater by biomass charcoal adsorbent - Google Patents
preparation method of biomass charcoal adsorbent and method for treating oily wastewater by biomass charcoal adsorbent Download PDFInfo
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- CN103301811A CN103301811A CN2013102789559A CN201310278955A CN103301811A CN 103301811 A CN103301811 A CN 103301811A CN 2013102789559 A CN2013102789559 A CN 2013102789559A CN 201310278955 A CN201310278955 A CN 201310278955A CN 103301811 A CN103301811 A CN 103301811A
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Abstract
The invention relates to a preparation method of a biomass charcoal adsorbent, and the preparation method comprises the following steps of: respectively washing a production and living waste biomass charcoal material by using tap water and distilled water for 4-5 times; drying at 105 DEG C; smashing, and screening through a sieve of 70 meshes; then placing into a muffle furnace, carbonizing at 500-900 DEG C for 3 hours under the condition of nitrogen, and cooling to room temperature; and grinding, and then screening through a sieve of 80-100 meshes to obtain the biomass charcoal adsorbent. The invention also discloses a treatment method of oily wastewater.
Description
Technical field
The present invention relates to a kind of preparation of adsorbent and the processing method of oil-containing wastewater, be specifically related to the method for a kind of biomass carbon material sorbent preparation method and adsorption treatment oily waste water.
Background technology
The China's oil deposit is very abundant, and most of oil fields are all take thickened oil recovery as main, and only the Liaohe Oil Field produces nearly 200,000 tons of thick-oil waste waters every day.This kind waste water is drunk all to produce and is had a strong impact on the growth of algae, water plant, vegetables, fruit tree and domestic animal, human life.Usually after thick-oil waste water processing premenstruum (premenstrua), the COD value is still very high, does not reach discharge standard, also needs further advanced treating.Present experimental studies have found that wetland method, advanced oxidation processes, photocatalytic oxidation etc. have certain effect to the advanced treating of oily waste water.But because of all in various degree all restrictions that are subject to various environmental conditions, operating cost and operating procedure of every kind of method, so that said method can only be in the laboratory research stage.
Absorption method is because of advanced treating easy to operate, that technique simply is usually used in oily waste water, but the adsorbent cost is high, the processing of the rear adsorbent of absorption is the absorption method Main Problems.Thereby seek the study hotspot that efficient, cheap adsorbent becomes numerous researchers.
China is vast in territory, can produce a large amount of living beings obsolete materials at a lot of production links, such as the surplus material of crops rice husk, corn and cotton stalk, wood-working factory, shell etc.This class abandoned biomass Carbon Materials usually is landfilled, piles up or burns at present, not only causes the wasting of resources and serious environment pollution.If can utilize these obsolete materials to process oily waste water, not only reduce the oily waste water processing cost, and solved the processing problem of discarded object, be with a wide range of applications.
China Patent Publication No. CN101486515A discloses a kind of processing method and complexes thereof of oily waste water, and specifically discloses waste water and will pass through breakdown of emulsion and reverse flocculation, further water-oil separating, and precipitation obtains clear water at last; This mode cost compare is high.
The present invention is directed to the shortcoming that exists in the prior art, a kind of processing method is provided, meet the requirement of energy-saving and emission-reduction and solid waste resource utilization, have good prospects for commercial application.
Summary of the invention
The method that the purpose of this invention is to provide a kind of biomass carbon material sorbent preparation method and adsorption treatment oily waste water.
A kind of preparation method of biomass carbon adsorbent, with productive life abandoned biomass Carbon Materials, respectively with running water, distilled water washing 4-5 time, 105 ℃ of lower oven dry with its pulverizing, are crossed 70 mesh sieves; Then be placed in the Muffle furnace, under the condition of nitrogen gas, 500-900 ℃ of lower charing 3 hours is cooled to room temperature, grinds by the 80-100 order biomass carbon adsorbent that sieves to get.
As further preferred, described abandoned biomass Carbon Materials is the surplus material of crops rice husk, corn and cotton stalk, wood-working factory, one or more in the shell.
A kind of processing method of oily waste water is used described biomass carbon; (1) is the ratio of 1:250 according to biomass carbon and oily waste water mass ratio, in the biochemical section water outlet of low concentration thick-oil waste water treatment plant, adds described biomass carbon; (2) use agitator to stir 6 hours with the rotating speed of 150 r/min; (3) stop to stir after, remove adsorbent.
Beneficial effect:
(1) take the productive life abandoned biomass as raw material, wide material sources, cheap are compared with other adsorbents, can greatly reduce processing cost.
(2) used raw material sources are extensive, cheap and easy to get, belong to worker, agricultural solid residue thing resource, reduce the absorption cost.
(3) compare with other discarded object sorbing materials, it is to the advantages of good adsorption effect of oily waste water.
(4) this sorbing material economy, environmental protection meet the requirement of energy-saving and emission-reduction and solid waste resource utilization, have good prospects for commercial application.
The specific embodiment
Absorbent preparation
With productive life abandoned biomass Carbon Materials (surplus material of crops rice husk, corn and cotton stalk, wood-working factory, shell), respectively with running water, distilled water washing 4-5 time, 105 ℃ of lower oven dry with its pulverizing, are crossed 70 mesh sieves.
Get the discarded Carbon Materials of 500g-1000g in Muffle furnace, under the condition of nitrogen gas, 500-900 ℃ of lower charing 3 hours is cooled to room temperature, grinds by the 80-100 order biomass carbon adsorbent that sieves to get.
Described abandoned biomass Carbon Materials is: the surplus material of crops rice husk, corn and cotton stalk, wood-working factory, one or more in the shell.
Application examples 1:
Get flotation section water outlet (the initial COD=180.0 ± 5.0mg/L) test of certain oil field low concentration thick-oil waste water treatment plant.
Accurately take by weighing 1.0 g biomass carbon adsorbents, in 250mL tool plug conical flask, add the water outlet of 100mL flotation section, under 50 ℃ in constant temperature oscillator with velocity fluctuation 6 h of 150 r/min.After the failure of oscillations, on rack for test tube, filter through the middling speed quantitative filter paper, remove out adsorbent, adopt the COD value of the rear oily waste water of HACH Instrument measuring absorption.The COD of oily waste water drops to 40.7mg/L after adsorption treatment.
Application examples 2:
Get flotation section water outlet (the initial COD=180.0 ± 5.0mg/L) test of certain oil field low concentration thick-oil waste water treatment plant.
Accurately take by weighing 0.8 g biomass carbon adsorbent, in 250mL tool plug conical flask, add the water outlet of 100mL flotation section, under 60 ℃ in constant temperature oscillator with velocity fluctuation 6 h of 150 r/min.After the failure of oscillations, on rack for test tube, filter through the middling speed quantitative filter paper, remove out adsorbent, adopt the COD value of the rear oily waste water of HACH Instrument measuring absorption.The COD of oily waste water drops to 43.9 mg/L after adsorption treatment.
Application examples 3:
Get biochemical section water outlet (the initial COD=75.0 ± 5.0mg/L) test of certain oil field low concentration thick-oil waste water treatment plant.
Accurately take by weighing 0.6 g biomass carbon adsorbent, in 250mL tool plug conical flask, add the water outlet of the biochemical section of 100mL, under the room temperature in constant temperature oscillator with velocity fluctuation 6 h of 150 r/min.After the failure of oscillations, on rack for test tube, filter through the middling speed quantitative filter paper, remove out adsorbent, adopt the COD value of the rear oily waste water of HACH Instrument measuring absorption.The COD of oily waste water drops to 20.0 mg/L after adsorption treatment.
Application examples 4:
Get biochemical section water outlet (the initial COD=75.0 ± 5.0mg/L) test of certain oil field low concentration thick-oil waste water treatment plant.
Accurately take by weighing 0.4 g biomass carbon adsorbent, in 250mL tool plug conical flask, add the water outlet of the biochemical section of 100mL, under the room temperature in constant temperature oscillator with velocity fluctuation 6 h of 150 r/min.After the failure of oscillations, on rack for test tube, filter through the middling speed quantitative filter paper, remove out adsorbent, adopt the COD value of the rear oily waste water of HACH Instrument measuring absorption.The COD of oily waste water drops to 26.4 mg/L after adsorption treatment.
Application examples 5:
Get 100 tons of biochemical sections water outlet (initial COD=70.0 ± 5.0mg/L) test of the storage cistern of certain oil field low concentration thick-oil waste water treatment plant.
Ratio according to biomass carbon adsorbent and oily waste water mass ratio 1:250 adds biomass carbon, uses a plurality of agitators with 150 r/min stirring 6h under the normal temperature, after stopping to stir, removes adsorbent, adopts the COD value of the rear oily waste water of HACH Instrument measuring absorption.The COD of oily waste water drops to 30.2 mg/L after adsorption treatment.
Process oily waste water with existing absorption method and compare, the present invention had both reduced adsorbent cost in the oily waste water processing, had also solved simultaneously the handling problems of discarded object, can effectively process the larger oily waste water of harmfulness.Its advantage is the adsorbent wide material sources, cheap, absorption property good, and is easy to operate, technique is simple, specification requirement is low.
This embodiment just embodies the preferred special case of spirit of the present invention, those skilled in the art fully can be according to the present invention the purport of patent, in addition flexible has reached best implementation result.The present invention is made amendment or is equal to replacement, and do not break away from the spirit and scope of patent of the present invention, it all should be encompassed in the middle of the claim scope of patent of the present invention.
Claims (3)
1. the preparation method of a biomass carbon adsorbent is characterized in that: with productive life abandoned biomass Carbon Materials, respectively with running water, distilled water washing 4-5 time, 105 ℃ of lower oven dry, with its pulverizing, 70 mesh sieves; Then be placed in the Muffle furnace, under the condition of nitrogen gas, 500-900 ℃ of lower charing 3 hours is cooled to room temperature, grinds by the 80-100 order biomass carbon adsorbent that sieves to get.
2. method according to claim 1, it is characterized in that: described abandoned biomass Carbon Materials is the surplus material of crops rice husk, corn and cotton stalk, wood-working factory, one or more in the shell.
3. the processing method of an oily waste water comprises claim 1 or 2 described biomass carbons; It is characterized in that: (1) is the ratio of 1:250 according to biomass carbon and oily waste water mass ratio, adds described biomass carbon in the biochemical section water outlet of low concentration thick-oil waste water treatment plant; (2) use agitator to stir 6 hours with the rotating speed of 150 r/min; (3) stop to stir after, remove adsorbent.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190355A (en) * | 2014-07-09 | 2014-12-10 | 常州合肥工业大学研究院 | Method for preparing porous carbon material and treatment method for treating oil-containing sewage |
| CN104307460A (en) * | 2014-10-21 | 2015-01-28 | 辽宁石化职业技术学院 | Method for preparing adsorbent from oily sludge and method for treating industrial wastewater containing organisms by using absorbent |
| CN104525110A (en) * | 2014-12-18 | 2015-04-22 | 华中科技大学 | Nitrogen-enriched active biomass coke and preparation method thereof |
| CN105251460A (en) * | 2015-11-11 | 2016-01-20 | 邹文君 | Restaurant waste water treatment agent based on modified cow dung biochar and preparation method |
| CN108585192A (en) * | 2018-05-16 | 2018-09-28 | 辽宁大学 | Combine the method for Anaerobic Treatment Pig raising wastewater using sepiolite and biomass carbon |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2441998A (en) * | 2006-09-22 | 2008-03-26 | Vetco Gray Controls Ltd | Waste management facility for treating oily waste, wastewater and waste materials |
| CN101380639A (en) * | 2008-10-20 | 2009-03-11 | 浙江大学 | Method for trapping and fixing soil persistent organic pollutant using biological carbon |
| CN102442746A (en) * | 2010-10-12 | 2012-05-09 | 中国石油化工股份有限公司 | Method for recycling high acid crude oil electric desalting wastewater |
-
2013
- 2013-07-04 CN CN2013102789559A patent/CN103301811A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2441998A (en) * | 2006-09-22 | 2008-03-26 | Vetco Gray Controls Ltd | Waste management facility for treating oily waste, wastewater and waste materials |
| CN101380639A (en) * | 2008-10-20 | 2009-03-11 | 浙江大学 | Method for trapping and fixing soil persistent organic pollutant using biological carbon |
| CN102442746A (en) * | 2010-10-12 | 2012-05-09 | 中国石油化工股份有限公司 | Method for recycling high acid crude oil electric desalting wastewater |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104190355A (en) * | 2014-07-09 | 2014-12-10 | 常州合肥工业大学研究院 | Method for preparing porous carbon material and treatment method for treating oil-containing sewage |
| CN104190355B (en) * | 2014-07-09 | 2016-08-24 | 常州合肥工业大学研究院 | The preparation method of porous carbon material and for processing the processing method of oil-polluted water |
| CN104307460A (en) * | 2014-10-21 | 2015-01-28 | 辽宁石化职业技术学院 | Method for preparing adsorbent from oily sludge and method for treating industrial wastewater containing organisms by using absorbent |
| CN104525110A (en) * | 2014-12-18 | 2015-04-22 | 华中科技大学 | Nitrogen-enriched active biomass coke and preparation method thereof |
| CN104525110B (en) * | 2014-12-18 | 2017-12-29 | 华中科技大学 | A kind of rich nitrogen active bio matter coke and preparation method thereof |
| CN105251460A (en) * | 2015-11-11 | 2016-01-20 | 邹文君 | Restaurant waste water treatment agent based on modified cow dung biochar and preparation method |
| CN105251460B (en) * | 2015-11-11 | 2018-03-06 | 邹文君 | A kind of food and drink waste water inorganic agent and preparation method based on modified cow dung charcoal |
| CN108585192A (en) * | 2018-05-16 | 2018-09-28 | 辽宁大学 | Combine the method for Anaerobic Treatment Pig raising wastewater using sepiolite and biomass carbon |
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Application publication date: 20130918 |