CN103691404B - A kind of attapulgite water purification agent of fast purification marine culture water - Google Patents
A kind of attapulgite water purification agent of fast purification marine culture water Download PDFInfo
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- CN103691404B CN103691404B CN201310717826.5A CN201310717826A CN103691404B CN 103691404 B CN103691404 B CN 103691404B CN 201310717826 A CN201310717826 A CN 201310717826A CN 103691404 B CN103691404 B CN 103691404B
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- attapulgite
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Abstract
The invention discloses a kind of attapulgite water purification agent of fast purification marine culture water, the main points of its technical scheme are that quick marine culture water purifier is primarily of Concave-convex clay rod and rice husk composition.Pulverizing, soaking and stirring, extruding oven dry, screening is helped to be packaged as finished product through micro-cutting.In absorption Water treatment, cut by micro-the specific area helping technology to increase attapulgite, the polluter of Adsorption particulate form and colloidal attitude, can also remove the harmful substances such as the major pollutants phosphorus of body eutrophication, ammonia nitrogen and COD effectively.Utilize its micro-attapulgite outside helping technology modified of cutting to form larger electrostatic attraction and stress field, improve ion-exchange performance, be more conducive to Hg in adsorption cleaning water
2+, Pb
2+, Cr
6+, Cd
2+, Cu
2+etc. harmful substances such as heavy metal ion.Be applicable to fast to fall in sea-farming process that ammonia is denitrogenated, the purification filtering of phosphorus, COD, Adsorption of Heavy Metals etc., the water purification being also applicable to marine ornamental fish water body uses.
Description
Technical field
The present invention, in aquaculture field, is specifically related to a kind of attapulgite water purification agent of fast purification marine culture water.
Background technology
Seawater is the Essential Environment condition that marine cultured animal is depended on for existence, as the saying goes: " breeding fish for three points, seven points of foster water ".The quality of water quality directly has influence on their upgrowth situation and the economic benefit of raiser.Along with economy and the reach of science, the demand of people to aquatic products increases day by day, when amount of fishing can not be met the need of market, aquaculture was converted into present intensive culture mode by traditional extensive management, Resource Dependence type aquaculture mode already.But what the fast development propagated artificially along with high density height is intensive and breeding environment polluted increasingly sharpens, and makes the pollution level of aquaculture system considerably beyond the detergent power of water body self.Remaining bait and excreta deposit in water body, cause water body self-pollution and even water quality deterioration, show as: water body serious eutrophication, Suspended Matter in Water increases, the content of COD, ammonia nitrogen, nitrite nitrogen, hydrogen sulfide increases, harmful heavy metal content is accumulated, and dissolved oxygen declines, water acidification and the smelly end.Cause water body environment to worsen because water body inside produces the harmful substance of accumulation, the lighter is to the growth of aquatic economic animal, growth, breeding generation harmful effect; Then can cause time serious epidemic disease take place frequently and the death rate increase, finally cause aquatic product quality decline and output minimizing.
Water purification mode in existing seawater intensive culture process is generally adopt circulating filtration, and pond is fallen in clear pond, throws in chemical water purification agent and probiotics etc.But ubiquity is wasted time and energy and the shortcoming of high energy consumption high cost; Although worsen for the water body of burst, chemical water purification agent energy fast reaction transforms harmful substance, can cause secondary pollution to water body environment; Probiotics is environmentally friendly water purification scheme, but there is the inferior positions such as flora soak time length, Survival Reproduction bad adaptability and quantity minimizing.
Summary of the invention
The present invention will solve weak point in prior art, provides a kind of attapulgite water purification agent of fast purification marine culture water.
Technical scheme of the present invention is as follows:
According to the batching of the attapulgite water purification agent of fast purification marine culture water, by attapulgite (mass percent 80-90%) by micro-cut help and do technical finesse mutually after, micro-the cutting of attapulgite obtaining more than 500-600 order helps powder, carries out immersion 12-24 hour with adding water in rice husk (mass percent 10-20%) Mixed design fermentation vat; Mixture after soaking is inputted in extruser, being uniformly mixed rear extruding is nearly spherical shape medicine ball, the diameter control of medicine ball is at 2-6 millimeter, be transported to dryer to dry, after dry, the moisture of mixture is not higher than 10%, after obtaining required mixture medicine ball, be packaged as the finished product of the attapulgite water purification agent of fast purification marine culture water.
Concave-convex clay rod is under the jurisdiction of sepiolite group on mineralogy classification, is the moisture magnesia silicate of layer chain, and have unique layer chain structure feature, its desirable chemical molecular formula is: Mg
5si
80
20(OH)
2(OH
2)
24H
2o.Attapulgite owing to having in needle-like, the crystal structure of fibrous agrregate, the features such as its specific area is large, chemical stability good, high adsorption capacity, it shows good performance in Adsorption of Heavy Metal Ions, organic pollution, radioactive element etc., has a good application prospect in water treatment.
Attapulgite has the large characteristic of specific area, but channel diameter is less than the diameter of most of molecule and hydrated ion, most molecule and ion all can not enter attapulgite duct, and the selective Preferential adsorption hydrone of attapulgite inner duct, thus in most water treatment, attapulgite is not inner surface absorption to the absorption of adsorbate, but outer surface absorption, and this outer surface absorption belongs to colloid absorption and the ion-exchange absorption of attapulgite, make it in water treatment procedure, not only can remove the polluter of particulate form and colloidal attitude, effectively can also reduce the major pollutants ammonia nitrogen of water turbidity and removal body eutrophication, phosphorus and COD, and Hg
2+, Pb
2+, Cr
6+, Cd
2+, Cu
2+etc. harmful substances such as heavy metal ion.
Rice husk is one deck shell outside paddy, by inner glume and larger coetoniumly to form.The long 5-10mm of rice husk, 2.5-5mm, thick 23-30 micron, its color and luster is generally in golden yellow, and after pulverizing, bulk density can reach 384-400kg/m
3.
Rice husk is rich in cellulose, lignin, silica, and wherein the content of fat, protein is very low, is mainly used to do fuel, filler bedding and padding, mushroom growth base and feed addictive.As the auxiliary material of this product, the floatability of product, suspension and sink-float controllability can be increased, be conducive to the clean-up effect of marine culture water 3 D stereo.
On existing market, marine culture water purification preparation mainly contains the large class of chemical reagent class and probiotics two, but all ubiquity certain defects.Although such as chemical reagent water purification is fast, efficiency is high, simultaneously to secondary environmental pollution and aquaculture organism toxic and side effect; Although the harmless safety of probiotics, sluggish, tolerance is poor.This product adopts natural non-metallic mineral, nontoxic, physical absorption, efficient quick, and inertia is strong, and cost is low, acute water body pollution is had to the purifying water effect of efficient quick safety.
Detailed description of the invention
Embodiments of the invention are described in detail below in conjunction with technical scheme.
Embodiment 1:
Be made up of following component by mass percentage: attapulgite 80% and rice husk 20%.By micro-cut help and do technical finesse mutually after, micro-the cutting of attapulgite obtaining more than 500-600 order helps powder, carries out immersion 12-24 hour with adding water in rice husk Mixed design fermentation vat; Mixture after soaking is inputted in extruser, being uniformly mixed rear extruding is nearly spherical shape medicine ball, the diameter control of medicine ball is at 2-6 millimeter, be transported to dryer to dry, after dry, the moisture of mixture is not higher than 10%, after obtaining required mixture medicine ball, be packaged as the finished product of the attapulgite water purification agent of fast purification marine culture water.
Embodiment 2
Be made up of following component by mass percentage: attapulgite 90% and rice husk 10%.By micro-cut help and do technical finesse mutually after, micro-the cutting of attapulgite obtaining more than 500-600 order helps powder, carries out immersion 12-24 hour with adding water in rice husk Mixed design fermentation vat; Mixture after soaking is inputted in extruser, being uniformly mixed rear extruding is nearly spherical shape medicine ball, the diameter control of medicine ball is at 2-6 millimeter, be transported to dryer to dry, after dry, the moisture of mixture is not higher than 10%, after obtaining required mixture medicine ball, be packaged as the finished product of the attapulgite water purification agent of fast purification marine culture water.
Result of use
Choose the sea cucumber culture pond that 3 place's conditions are identical, specification is long 6m, wide 4m, high 2m, mean depth 1.5m, seedling specification 40-50 head/500g, and density is at 9-10 head/m
2.No. 1 pond is control group (not using water purification agent), and 2, No. 3 circles are experimental group (use water purification agent); Experimental group feed mode is the same with control group with management method, within 15 days, falls pond once, and the attapulgite water purification agent of splashing described in embodiment 1,2 for the 10th day behind each pond, dosage of splashing is 100g/m
3.
1. use the present embodiment 1,2 impact (10 days) on simulation holothruian cultures water quality in latter 1 hour
| PH value | COD clearance (%) | Ammonia nitrogen removal frank (%) | Pb 2+Clearance (%) | |
| Control group | 6.6 | — | — | — |
| Embodiment 1 | 7.4 | 83.46 | 53.03 | 97.36 |
| Embodiment 2 | 7.5 | 87.28 | 55.79 | 97.78 |
2. use the present embodiment 1,2 latter 60 days on sea cucumber growth and the impact of immunity function
| Average weight gain amount (g) | Average growth rate (%) | Respiratory burst vigor | Phagocytic rate (%) | |
| Control group | 4.89 | 43.33±0.96 | 0.112±0.002 | 36.46±1.38 |
| Embodiment 1 | 5.34 | 45.94±2.23 | 0.436±0.016 | 44.55±0.83 |
| Embodiment 2 | 5.78 | 49.37±1.52 | 0.648±0.027 | 49.80±0.70 |
Claims (1)
1. an attapulgite water purification agent for fast purification marine culture water, is characterized in that, the batching of the attapulgite water purification agent of fast purification marine culture water, is made up of following component by weight percentage: Concave-convex clay rod 80-90% and rice husk 10-20%;
The preparation method of the attapulgite water purification agent of described a kind of fast purification marine culture water, be following steps: according to the batching of the attapulgite water purification agent of fast purification marine culture water, by micro-cut help and do technical finesse mutually after, obtain micro-the cutting of 500-600 object attapulgite and help powder, carry out immersion 12-24 hour with adding water in rice husk Mixed design fermentation vat; Mixture after soaking is inputted in extruser, being uniformly mixed rear extruding is nearly spherical shape medicine ball, the diameter control of medicine ball is at 2-6 millimeter, be transported to dryer to dry, after dry, the moisture of mixture is not higher than 10%, after obtaining required mixture medicine ball, be packaged as the finished product of the attapulgite water purification agent of fast purification marine culture water.
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| CN104815623A (en) * | 2015-04-10 | 2015-08-05 | 合肥环照高分子材料厂 | Rice husk-based heavy metal adsorbent and preparation method thereof |
| CN105905960A (en) * | 2016-06-22 | 2016-08-31 | 江门市江海区炜洁净水材料有限公司 | Purifier for purifying mariculture water and preparation method thereof |
| CN107511142A (en) * | 2017-09-26 | 2017-12-26 | 广西大学 | It is a kind of to remove aluminum phosphate hollow microsphere composite adsorbing material of lead ion and preparation method thereof in water removal |
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| CN103301803A (en) * | 2013-06-27 | 2013-09-18 | 武汉科梦环境工程有限公司 | Preparation method of attapulgite-modified clay for ammonia-nitrogen wastewater treatment |
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| US4789475A (en) * | 1987-06-23 | 1988-12-06 | Environmental Concerns, Inc. | Water purification material, process therefor, and device for the removal of heavy metal toxins |
| CN1191203C (en) * | 2002-12-12 | 2005-03-02 | 中国科学院生态环境研究中心 | High efficiency algae flooculation agent, method for treating red tide and plakton bloom using same |
| CN100343185C (en) * | 2004-06-08 | 2007-10-17 | 张广志 | Ecological water purifying material for aquiculture |
| CN101844820A (en) * | 2010-04-12 | 2010-09-29 | 南京师范大学 | Environmental functional material for emergency control of black water cluster |
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| CN103301803A (en) * | 2013-06-27 | 2013-09-18 | 武汉科梦环境工程有限公司 | Preparation method of attapulgite-modified clay for ammonia-nitrogen wastewater treatment |
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