CN103848471A - Method for removing organophosphorus pesticide in water by using water treatment plant sludge - Google Patents
Method for removing organophosphorus pesticide in water by using water treatment plant sludge Download PDFInfo
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- CN103848471A CN103848471A CN201310392594.0A CN201310392594A CN103848471A CN 103848471 A CN103848471 A CN 103848471A CN 201310392594 A CN201310392594 A CN 201310392594A CN 103848471 A CN103848471 A CN 103848471A
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Abstract
The invention discloses a novel organophosphorus pesticide adsorbent-water treatment plant sludge, and belongs to the technical field of water treatment. The method comprises the following steps: dehydrating, air-drying, grinding and uniformly mixing the water treatment plant sludge, feeding into an organophosphorus pesticide water solution with a certain concentration with a certain solid-to-liquid ratio, inspecting adsorbing capacity change along with the time so as to determine an adsorption balancing time; and meanwhile, further inspecting the adsorbing capacity and removal rate of the water treatment plant sludge to the organophosphorus pesticide in different concentrations after the adsorption balancing so as to verify the adsorbing capacity of the water treatment plant sludge to the organophosphorus pesticide. The method of adsorbing the organophosphorus pesticide by using the water treatment plant sludge is simple, low in cost, environment-friendly and excellent in adsorption effect; and meanwhile, the problems of water treatment plant sludge disposal and organophosphorus pesticide water pollution are solved.
Description
Technical field
The invention belongs to water-treatment technology field, be specially and remove organophosphorus pesticide in water body using water purification plant's mud as sorbent material.
Background technology
Organophosphorus pesticide is a class widely used sterilant and weedicide in the world, has now become the main body of China's pesticide market, and the ultimate production of China's agricultural chemicals in 2010 is 226.22 ten thousand tons, and wherein organophosphorus pesticide accounts for 80%.Because organophosphorus pesticide is easy to degraded, residual period, is short, for a long time, it is considered to a class to human body and the comparatively safe agricultural chemicals of hydrobiont, but, constantly reported about the toxic action of organophosphorus pesticide in recent years, for example, Chlorpyrifos 94 can be brought out mammary cancer, hinder development of central nervous system, even and under low dosage (5.4mg/kg, 1/25LD50) it also has toxic action to liver: glyphosate exists significant toxic action to Amphibians and aquatic invertebrate, it is also confirmed by many institutes human DNA and lysosomal infringement and endocrine interference.Excessive use organophosphorus pesticide causes it even in underground water, frequently to be detected at surface water, in water surrounding organophosphorus pesticide exist for hydrobiont and the mankind have brought huge existence crisis and health risk.
Based on organophosphorus pesticides and toxicity new discovery thereof, many investigators start to be devoted to effectively to remove the research of organic phosphorus in water agricultural chemicals method.At present, generally adopt biological process, catalysis method, advanced oxidation processes and absorption method etc. to remove organophosphorus pesticide in water body.Kingly way victory etc. (application number 201110264880.X) disclose utilizes hybrid bacterial strain degrading organic phosphor pesticides, Jiang Jiandong etc. (application number 201010204252.8) disclose a strain broad spectrum organic phosphorus agricultural chemicals engineering strain, Chen Haolin (application number 200910251070.3) the has prepared load activated carbon fiber optic catalytic composite material degrading organic phosphor pesticides of Ti02, Wang Jun (application number 200410050460.1) discloses the method that adopts ultrasonic wave fast degradation organophosphorus pesticide, Zhang Yingmin etc. (application number 201020286621.8) disclose by light and have helped Fenton oxidation reactor, dilution regulates the organophosphorus pesticide dimethoate wastewater treatment unit with circulating type active sludge reactor three part compositions.Compared with above treatment process, absorption method treatment capacity is large, expense is low and be easy to application, and therefore, the efficient cheap agricultural chemicals sorbing material of preparation becomes the study hotspot of alleviating water body pesticidal contamination.Accepting a heavy burdens etc. (application number 201210045165.1) disclose the method for the ferric montmorillonite removal of load organophosphorus herbicide glyphosate, Zhou Qidi (application number 200910142101.1) is with activated carbon, humic acids, polyethylene and gas generation agent are that raw material has been prepared organophosphorus pesticide filtration medium, Gao Hongwen etc. (application number 201110400037.X) disclose the preparation method for the magneticsubstance of adsorption and enrichment organophosphorus pesticide, Bian Bo etc. (application number 201210269086.9) prepare biological carbonaceous adsorption agent by rural organic wastes combined ingredient by supercritical reaction, remove the remains of pesticide in paddy field drainage with this.
Water purification plant's mud is the safe secondary product that water treatment plant produces, and generation is huge in the world, is mainly made up of the colloid and the organic matter that carry in iron aluminium flocculating agent and former water.Because iron aluminium content in water purification plant's mud is higher, it has stronger absorption property to many inorganic anion type pollutents, can be used as phosphorus adsorbent and sedimentary phosphate and discharges sequestering agent etc. and be applied in water treatment (201210017066.2; 201210033953.9).By contrast, water purification plant's mud is paid close attention to less to the adsorptive power of organic pollutant.Because water purification plant's mud contains a certain amount of organic matter, and specific surface area is large, and it also should have certain adsorptive power to organic pollutant.Therefore,, on existing Research foundation, the present invention proposes to remove using water purification plant's mud as sorbent material organophosphorus pesticide in water body.The present invention respectively using global usage quantity maximum organic phosphorous insecticide and weedicide---Chlorpyrifos 94 and glyphosate, as research object, have been verified the high absorption capacity of water purification plant's mud to organophosphorus pesticide.
Summary of the invention
The object of this invention is to provide new adsorbent one water purification plant's mud of organophosphorus pesticide in a kind of water body, thereby utilize problem that reference is provided for solving organic phosphorus in water pesticidal contamination control and water purification plant's recycling sludge.
Utilize water purification plant sludge absorption material to remove the concrete technical scheme of organophosphorus pesticide in water body as follows: by water purification plant's mud through mummification, fragmentation, grind and mix; With certain solid-to-liquid ratio, water purification plant's mud is added in organophosphorus pesticide pollution water body, room temperature vibration, after adsorption equilibrium, mixed solution is centrifugal, get supernatant liquor and measure organophosphorus pesticide concentration.According to concentration in the rear supernatant liquor of starting point concentration in organophosphorus pesticide water body and absorption, calculate adsorptive capacity and the clearance of water purification plant's mud to organophosphorus pesticide.
Advantage of the present invention and beneficial effect are embodied in:
1) using water purification plant's mud as organophosphorus pesticide sorbent material, raw material is cheap and easy to get, and cost of water treatment is low;
2) water purification plant's mud all has stronger adsorptive power to ionic and non-ionic type organophosphorus pesticide, and water treatment efficiency is high;
3) disposal processing and the organophosphorus pesticide pollution control problem of water purification plant's mud have been solved simultaneously.
Brief description of the drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms the application's a part, and schematic description and description of the present invention is used for explaining the present invention, does not form improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the curve of adsorption kinetics of water purification plant's mud to Chlorpyrifos 94 and glyphosate in the embodiment of the present invention;
Fig. 2 be in the embodiment of the present invention water purification plant's mud to different concns Chlorpyrifos 94 adsorptive capacity and clearance in water;
Fig. 3 be in the embodiment of the present invention water purification plant's mud to different concns glyphosate adsorptive capacity and clearance in water.
Embodiment
The adsorptive power of bright and clean waterworks sludge to organophosphorus pesticide in water body with specific embodiment below.
Taking water purification plant of Beijing mud as raw material, in this mud, organic content is 107mg/g.Water purification plant's mud through mummification, fragmentation, grind, mix, cross 100 mesh sieves.
Take 20mg water purification plant mud sample in vial, and join respectively in the certain density Chlorpyrifos 94 of 40mL and glyphosate solution, shake up to be placed in the constant-temperature table that rotating speed is 150r/min and vibrate, take out sample at 15min, 30min, 1h, 2h, 4h, 6h, 8h, 12h, 18h, 24h, 36h and 48h respectively, solution, after the centrifugal 15min of 4000r/min, utilizes high performance liquid chromatograph to measure supernatant liquor Chlorpyrifos and glyphosate concentration.According to the variation of initial aqueous solution and supernatant liquor Chlorpyrifos and glyphosate concentration, calculate the adsorptive capacity of water purification plant's mud to these two kinds of organophosphorus pesticides, make water purification plant's mud to the adsorptive capacity of Chlorpyrifos 94 and glyphosate curve (Fig. 1) over time, curve determines that adsorption equilibrium required time is 36h thus.
Accurately take 20mg water purification plant mud sample in vial, add respectively 40mL and pH to be neutral different concns glyphosate solution (5-75mg/L) and Chlorpyrifos 94.Because the solubleness of Chlorpyrifos 94 in water is 1.2mg/L, the implementation case Chlorpyrifos concentration is 0.1-0.8mg/L, and wherein the amount of solubility promoter methyl alcohol is less than 0.1% (v/v).Sample is shaken up to be placed in the constant-temperature table that rotating speed is 150rpm and vibrate, the time of equilibrium adsorption definite according to dynamic experiment, after absorption reaches balance, take out sample, solution, after the centrifugal 15min of 4000r/min, is measured respectively supernatant liquor Chlorpyrifos and glyphosate concentration.According to the variation of initial aqueous solution and supernatant liquor Chlorpyrifos and glyphosate concentration, calculate adsorptive capacity and the clearance (Fig. 2 and Fig. 3) of water purification plant's mud to these two kinds of organophosphorus pesticides.
In the invention process case, water purification plant's mud is up to 91% to the clearance of Chlorpyrifos 94 in 0.1-0.8mg/L concentration range in water, and adsorptive capacity can reach 1248mg/kg.Water purification plant's mud can reach 44mg/g to the adsorptive capacity of glyphosate in water (5-75mg/L), and clearance is up to 90%.Visible, water purification plant's mud all has strong adsorptive power to water intermediate ion type and non-ionic type organophosphorus pesticide.
It is emphasized that; although above-described embodiment is to the present invention's detailed explanation of contrasting, these explanations are just illustrative to the present invention, instead of restriction to invention; any innovation and creation that do not exceed in connotation of the present invention, within all dropping on rights protection scope of the present invention.
Claims (5)
1. the method for utilizing organophosphorus pesticide in water purification plant's sludge absorption water, is characterized in that: the water purification plant's mud through dewatering air-dry has strong adsorptive power to water intermediate ion type and non-ionic type organophosphorus pesticide.
2. the method for organophosphorus in water purification plant according to claim 1 sludge absorption water, is characterized in that water purification plant's mud is after smashing to pieces, crosses 100 mesh sieves, is added in the organophosphorus pesticide aqueous solution with 1:2000 solid-to-liquid ratio.
3. the method for organophosphorus pesticide in water purification plant according to claim 1 sludge absorption water, is characterized in that water purification plant's mud and organophosphorus pesticide Chlorpyrifos 94 and glyphosate adsorption equilibrium required time are 36h.
4. the method for organophosphorus pesticide in water purification plant according to claim 1 sludge absorption water, is characterized in that in the aqueous solution, hydrotropy dosage is less than 0.1% for hydrophobicity non-ionic type organophosphorus pesticide Chlorpyrifos 94.
5. the method for organophosphorus pesticide in water purification plant according to claim 1 sludge absorption water, is characterized in that, for ionic organophosphorus pesticide glyphosate, under pH is neutrallty condition, adsorptive capacity can reach 44mg/g.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108499514A (en) * | 2018-04-10 | 2018-09-07 | 中国科学院南京地理与湖泊研究所 | A kind of phosphorus adsorbent and preparation method thereof based on water supply plant iron aluminium mud |
| CN114262646A (en) * | 2021-12-28 | 2022-04-01 | 山东中大药业有限公司 | Detergent for removing pesticide residues of traditional Chinese medicine plants and preparation method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005246107A (en) * | 2004-03-01 | 2005-09-15 | Hitachi Kiden Kogyo Ltd | Method for producing adsorbent from sewage sludge |
| CN101444716A (en) * | 2008-12-04 | 2009-06-03 | 浙江商达环保有限公司 | Heavy metal bioadsorbent and method for adsorbing heavy metal in electroplating wastewater by same |
| CN101671211A (en) * | 2009-09-16 | 2010-03-17 | 温奕区 | Method for producing insecticidal fertilizer by pesticide waste liquid processed by activated sludge bacteria particles |
| CN102553515A (en) * | 2012-01-19 | 2012-07-11 | 苏州科技学院 | Method for preparing dephosphorus adsorbent by using water purification sludge as raw material |
| CN102745879A (en) * | 2012-07-05 | 2012-10-24 | 华中科技大学 | Sludge-based adsorbent used for desulfurization and demercuration of flue-gas and preparation method thereof |
| CN103120925A (en) * | 2013-02-05 | 2013-05-29 | 西安建筑科技大学 | Preparation method of adsorbent |
-
2013
- 2013-09-03 CN CN201310392594.0A patent/CN103848471A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005246107A (en) * | 2004-03-01 | 2005-09-15 | Hitachi Kiden Kogyo Ltd | Method for producing adsorbent from sewage sludge |
| CN101444716A (en) * | 2008-12-04 | 2009-06-03 | 浙江商达环保有限公司 | Heavy metal bioadsorbent and method for adsorbing heavy metal in electroplating wastewater by same |
| CN101671211A (en) * | 2009-09-16 | 2010-03-17 | 温奕区 | Method for producing insecticidal fertilizer by pesticide waste liquid processed by activated sludge bacteria particles |
| CN102553515A (en) * | 2012-01-19 | 2012-07-11 | 苏州科技学院 | Method for preparing dephosphorus adsorbent by using water purification sludge as raw material |
| CN102745879A (en) * | 2012-07-05 | 2012-10-24 | 华中科技大学 | Sludge-based adsorbent used for desulfurization and demercuration of flue-gas and preparation method thereof |
| CN103120925A (en) * | 2013-02-05 | 2013-05-29 | 西安建筑科技大学 | Preparation method of adsorbent |
Non-Patent Citations (4)
| Title |
|---|
| M. RAZALI 等: "Effectiveness of a drinking-water treatment sludge in removing different phosphorus species from aqueous solution", 《SEPARATION AND PURIFICATION TECHNOLOGY》 * |
| Y.S. HU 等: "Removal of glyphosate from aqueous environment by adsorption using water industrial residual", 《DESALINATION》 * |
| YUANYUAN ZHAO 等: "Feasibility of Using Drinking Water Treatment Residuals as a Novel Chlorpyrifos Adsorbent", 《AGRICULTRAL AND FOOD CHEMISTRY》 * |
| 帖靖玺 等: "净水厂污泥的磷吸附特性研究", 《环境科学与技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108499514A (en) * | 2018-04-10 | 2018-09-07 | 中国科学院南京地理与湖泊研究所 | A kind of phosphorus adsorbent and preparation method thereof based on water supply plant iron aluminium mud |
| CN114262646A (en) * | 2021-12-28 | 2022-04-01 | 山东中大药业有限公司 | Detergent for removing pesticide residues of traditional Chinese medicine plants and preparation method thereof |
| CN114262646B (en) * | 2021-12-28 | 2024-04-16 | 山东中大药业有限公司 | Detergent for removing pesticide residues of traditional Chinese medicine plants and preparation method thereof |
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Application publication date: 20140611 |