CN101708886B - Method for treating organic waste water - Google Patents

Method for treating organic waste water Download PDF

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Publication number
CN101708886B
CN101708886B CN200910234358XA CN200910234358A CN101708886B CN 101708886 B CN101708886 B CN 101708886B CN 200910234358X A CN200910234358X A CN 200910234358XA CN 200910234358 A CN200910234358 A CN 200910234358A CN 101708886 B CN101708886 B CN 101708886B
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waste water
organic waste
organic
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milliliters
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CN101708886A (en
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马建锋
张进保
李定龙
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Jiangsu Ruide Environmental Protection Engineering Co ltd
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Jiangsu Polytechnic University
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Abstract

The invention discloses a method for treating organic waste water, which comprises: firstly, crushing volcanic rock and grinding the crushed volcanic rock into 10 to 60 mesh powder; adding 0.5 to 2 grams of the power into 20 milliliters of ascorbic acid solution at a concentration of 30 to 100mg/L, shaking the solution for 15 to 20 minutes, performing precipitation and separation, washing the precipitate with deionized water and drying the precipitate under the protection of a nitrogen atmosphere; adding the obtained powder particles into 50 milliliters of organic waste water, adjusting the pH value of the organic waste water to 1 to 6, and shaking the organic waste water for 30 minutes; and finally, adding 0.1 to 4 milliliters of 30 percent H2O2 and shaking with ultrasonic waves for 30 minutes to 1 hour to allow the organic matters in the water to degrade completely. The method has the advantages of simple operation, small material consumption, cheap and readily available material, high-efficiency removal of organic pollutants, equipment investment conservation and floor area occupation reduction.

Description

A kind of treatment process of organic waste water
Technical field
The present invention relates to a kind of treatment process of organic waste water, belong to technical field of sewage in the environment protection.
Background technology
The quantity discharged of various organic waste waters increases year by year, brings huge challenge to water environment protection.The combination of treatment process general using biological process, physics method and chemical method and two or more methods of conventional organic waste water, but biological treatment such as activated sludge process also face the recovery and the ultimate disposal problem of active sludge simultaneously because of organic pollutant causes treatment of organic matters of organic inefficiency in the waste water to the toxic action of microorganism.Physics method such as absorption method make organic molecule be adsorbed on its surface or allow the filter bed of organic waste water by being made of sorbent particles, thereby reach the purpose of purification of organic waste water, yet sorbent material cost height, non-renewable, loading capacity is limited, general by modification to sorbent material, mention the absorption property and the work-ing life of sorbent material.Chemical method such as Coagulation Method, oxidation style, the coagulation rule need add a large amount of coagulating agent, the many and dehydration difficulty of body refuse amount, present research direction is the coagulating agent of development of new.Traditional homogeneous phase Fenton method is that ferrous ion and hydrogen peroxide react the extremely strong HO free radical of generation oxidisability under acidic conditions, HO has higher electronegativity and stronger electron affinity, can capture the H atom in the organic pollutant molecule, fill unsaturated carbon-to-carbon double bond or triple bond, show as strong oxidizing property, thereby oxidative degradation organic pollutant, even be harmless inorganicss such as carbonic acid gas, water and mineral salt with the organic pollutant oxygenolysis up hill and dale, can not produce new pollution, there is the problem of reaction back separation difficulty in the Fenton reaction.Therefore, most of at present research is devoted to develop the heterogeneous Fenton catalyzer of synthesizing efficient practicality.
The mineral rock that the magma condensation that sprays when volcanics is volcanic eruption forms, majority is made up of magmatite, and quality is loose, porous.Volcanics wherein contains elements such as abundant mineral calcium, magnesium, iron, zinc, aluminium mainly based on basalt in the world.Basaltic by analysis main component is: silicon-dioxide 45.2%, titanium dioxide 2.31%, aluminium sesquioxide 14.02%, ferric oxide 5.59%, iron protoxide 6.67% etc.Wherein contained iron, aluminium and part titanyl compound can be reduced into the simple substance fine particle under the effect of reductive agent xitix, these elemental metals are because reduction potential difference own can form galvanic cell, degradation of organic substances effectively, form iron ion or aluminum ion, in addition, titanium dioxide itself just has the effect of catalyzed degradation.After the little electrolysis of galvanic cell, add H again 2O 2, make full use of the Fe that is dissolved in the solution 2+, form the Fenton reaction, further decomposing organic matter utilizes ultrasonic wave to quicken organic matter degradation at last.This process is utilized natural heterogeneous catalyst volcanics, makes that the water treatment raw material is cheap and easy to get, the result economical and efficient, can be widely used in treatment of Organic Wastewater.
Summary of the invention
The treatment process that the purpose of this invention is to provide a kind of organic waste water has been utilized the contained special composition of volcanics, and cost is low and treatment effect good.
The technical solution used in the present invention is in turn include the following steps: earlier 10~60 purpose powder are pulverized and be milled into to volcanics; Get this powder 0.5~2g and join in the ascorbic acid solution that 20mL concentration is 30~100mg/L, vibration 15~20min, precipitate and separate, deionized water rinsing, nitrogen protection oven dry down; The powder particle that obtains is joined in the 50mL organic waste water, regulating pH is 1~6 again, vibration 30min; Add 0.1~4mL concentration at last and be 30% H 2O 2, auxiliary with ultra-sonic oscillation 30min~1h, organism is fully degraded get final product.
The invention has the beneficial effects as follows: (1) utilizes oxide compounds such as the activation iron that volcanics itself contained, aluminium, titanium, utilize the reducing property of xitix to become simple substance attached to the volcanics surface its partial reduction, form the little electrolysis of galvanic cell between the particle, simple to operate, consumptive material is few, and material is cheap and easy to get.(2) utilize the equal Fenton reagent of iron ion conduct that generates after little electrolysis, under acidic conditions, constitute the Fenton reaction, reach the purpose of efficient removal organic pollutant with hydrogen peroxide.(2) utilize the accelerated reaction of hyperacoustic " cavitation " effect to carry out, reaction is quickened, degradation of organic substances is saved facility investment and floor space rapidly.
Embodiment
10~60 purpose powder are pulverized and be milled into to volcanics; Get this powder 0.5~2g and join in the ascorbic acid solution that 20mL concentration is 30~100mg/L, vibration 15~20min, precipitate and separate, deionized water rinsing, nitrogen protection oven dry down; The powder particle that obtains is joined in the 50mL organic waste water, and regulating pH is 1~6, vibration 30min; Add 0.1~4mL concentration again and be 30% H 2O 2, auxiliary with ultra-sonic oscillation 30min~1h, organism is fully degraded.The xitix that the present invention uses is a kind of general organic reagent, can direct commercial acquisition, have reductibility.
The present invention is further illustrated below by the embodiment of 3 concrete organic waste waters:
Embodiment 1
10 purpose powder are pulverized and be milled into to volcanics; Get this powder 0.5g and join in the ascorbic acid solution that 20mL concentration is 30mg/L, vibration 15min, precipitate and separate, deionized water rinsing, nitrogen protection oven dry down; The powder particle that obtains is joined in the 50mL methylene blue solution, and regulating pH is 1, vibration 30min; Add 4mL concentration again and be 30% H 2O 2, auxiliary with ultra-sonic oscillation 30min, organism is fully degraded.Remaining methylene blue concentration in the centrifugation analytical solution, result show that the clearance of methylene blue is 95.3%.
Embodiment 2
60 purpose powder are pulverized and be milled into to volcanics; Get this powder 2g and join in the ascorbic acid solution that 20mL concentration is 100mg/L, vibration 20min, precipitate and separate, deionized water rinsing, nitrogen protection oven dry down; The powder particle that obtains is joined in the orange II waste water of 50mL dyestuff, and regulating pH is 6, vibration 30min; Add 0.1mL concentration again and be 30% H 2O 2, auxiliary with ultra-sonic oscillation 1h, organism is fully degraded, remaining orange II concentration in the centrifugation analytical solution, the result shows that the clearance of orange II is 99.07%.
Embodiment 3
50 purpose powder are pulverized and be milled into to volcanics; Get this powder 1g and join in the ascorbic acid solution that 20mL concentration is 60mg/L, vibration 18min, precipitate and separate, deionized water rinsing, nitrogen protection oven dry down; The powder particle that obtains is joined in the 50mL phenolic waste water, and regulating pH is 3, vibration 30min; Add 2mL concentration again and be 30% H 2O 2, auxiliary with ultra-sonic oscillation 50h, organism is fully degraded, remaining naphthalene concentration in the centrifugation analytical solution, result show that the clearance of phenol is 98.9%.

Claims (2)

1. the treatment process of an organic waste water is characterized in that: in turn include the following steps:
(1) 10~60 purpose powder are pulverized and be milled into to volcanics;
(2) get this powder 0.5~2g and join in the ascorbic acid solution that 20mL concentration is 30~100mg/L, vibration 15~20min, precipitate and separate, deionized water rinsing, nitrogen protection oven dry down;
(3) powder particle that obtains is joined in the 50mL organic waste water, regulating pH is 1~6, vibration 30min;
(4) adding 0.1~4mL concentration is 30% H 2O 2, auxiliary with ultra-sonic oscillation 30min~1h, organism is fully degraded get final product.
2. the treatment process of a kind of organic waste water according to claim 1, it is characterized in that: described volcanics is a basalt.
CN200910234358XA 2009-11-24 2009-11-24 Method for treating organic waste water Active CN101708886B (en)

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL207783A0 (en) * 2010-08-24 2010-12-30 Boaz Shitzer Enhanced advanced oxidation procedure
CN103521242A (en) * 2012-07-03 2014-01-22 中国石油化工股份有限公司 Heterogeneous catalysis wet oxidation catalyst taking volcanic rock as carrier and preparation method thereof
CN103496781A (en) * 2013-10-28 2014-01-08 武汉大学 Method of organic wastewater treatment through persulfate activation
CN104176813B (en) * 2014-08-29 2016-06-22 四川航天拓鑫玄武岩实业有限公司 Fenton reagent preparation method
CN104826390A (en) * 2015-04-21 2015-08-12 安徽凤凰滤清器股份有限公司 Modified volcanic rock absorption filtering agent, and preparation method thereof
CN104923155A (en) * 2015-05-21 2015-09-23 安徽凤凰滤清器股份有限公司 Desulfurizer adsorbent and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101134609A (en) * 2007-08-07 2008-03-05 江苏工业学院 Method for processing organic wastewater by employing ultrasonic wave and synergic organophilic bentonite
CN101269869A (en) * 2008-04-29 2008-09-24 江苏工业学院 Processing method for phosphor containing wastewater
CN101314487A (en) * 2008-06-12 2008-12-03 江苏工业学院 Method for removing cation type dye in printing and dyeing wastewater

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101134609A (en) * 2007-08-07 2008-03-05 江苏工业学院 Method for processing organic wastewater by employing ultrasonic wave and synergic organophilic bentonite
CN101269869A (en) * 2008-04-29 2008-09-24 江苏工业学院 Processing method for phosphor containing wastewater
CN101314487A (en) * 2008-06-12 2008-12-03 江苏工业学院 Method for removing cation type dye in printing and dyeing wastewater

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2007-117784A 2007.05.17

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