CN105461879A - Multipurpose polyurethane effective microorganism solidification carrier - Google Patents
Multipurpose polyurethane effective microorganism solidification carrier Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/46—Polycondensates having carboxylic or carbonic ester groups in the main chain having heteroatoms other than oxygen
- C08G18/4676—Polycondensates having carboxylic or carbonic ester groups in the main chain having heteroatoms other than oxygen containing sulfur
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/482—Mixtures of polyethers containing at least one polyether containing nitrogen
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
Abstract
The present invention discloses a multipurpose polyurethane effective microorganism solidification carrier, which is prepared by mixing the following raw materials by weight: 15-30 parts of polyether polyol, 5-15 parts of polyester polyol, 20-35 parts of isocyanate, 0.31-0.40 part of a catalyst, 0.8-1.0 part of a foam stabilizer, 5-15 parts of a foaming agent, and 30-50 parts by dry weight of an effective microorganism culture medium. The carrier not only can carry high concentration content of effective microorganisms, but also has micropore and macropore crosslinking net structure and strong absorption and retention performance. The carrier combines large surface of micropore, permeability of large pore, hydrophilicity and strong adsorption in one, has a good affinity with microbes, high load capacity and stable structural performance. The product can be used in absorption of nitrogen and phosphorus pollutants and decomposition of organic matters in water, but also can be used as a lightweight versatile plant cultivation medium for cultivation of indoor plants and landscaping projects.
Description
Technical field
The present invention relates to a kind of solidified carrier, particularly a kind of multipurpose urethane effective microbe solidified carrier.
Background technology
China is still in developmental stage within a suitable period from now on, and water pollutions is a long-standing problem.Surface water is as important water resources, suffer from the fast development of serious destruction along with industrialzation and urbanization, by the impact of human being's production, life, the nutritive substance such as nitrogen, phosphorus enters the slow flow water bodies such as lake, river mouth, bay in a large number, algae and other planktonic organisms is caused to breed rapidly, cause Dissolved Oxygen in Water amount to decline, body eutrophication phenomenon is on the rise.For the improvement of eutrophication water, phytoremediation technology, microorganism remediation technology are the effective measure of administering body eutrophication, and the plant-microorganism combined remediation technology grown up on this basis is one of focus of current research
Immobilized microorganism can by providing special microenvironment; protect dominant bacteria not by indigenous bacterium harmful competition preferably; while the efficient repair ability of maintenance; can dominant bacteria be shielded from outside severe environment; overcome the deficiency of traditional renovation technique to a certain extent, there is good application prospect.
Summary of the invention
The object of the present invention is to provide a kind of multipurpose urethane effective microbe solidified carrier, both there is the carrier of higher concentration effective microbe content, there is again cross-linked structure and the strong pole absorb subsemimodule of micropore and macropore, it integrates the large surface of micropore, macropore permeability, wetting ability and strong adsorptivity, there is good microorganism affinity, high capacity amount, meanwhile, structure properties is stablized.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of multipurpose urethane effective microbe solidified carrier, be mixed by the feed composition of following parts by weight: polyether glycol 15-30 part, polyester polyol 5-15 part, isocyanic ester 20-35 part, catalyzer 0.31-0.40 part, suds-stabilizing agent 0.8-1.0 part, whipping agent 5-15 part, effective microbe culture medium is with dry weight basis 30-50 part.
In water surrounding, have certain intensity, toughness and work-ing life for reaching, the present invention adopts polyether glycol and polyester polyol mixed foaming technology, increases the cross-link intensity of polyurethane material.Simultaneously by the selection of polyether glycol, polyester polyol, the polyurethane material of generation can same effective microbe (EM) is fixing well substrate material (gac, vegetable fibre, mineral clay, molasses) effectively be combined, the finished product can load higher concentration effective microbe, can make again the activity that loading microorganisms keeps certain.
Because product of the present invention is mainly used in the cultivation of waterplant, therefore, the intensity of needs and toughness strengthen, and add polyester polyol, can increase the intensity of product in formula.But current water pollution is serious, as the combination by urethane and microorganism culturing matrix, can promote the growth of effective microbe (EM) and breed, can promote the decomposition of Organic Pollutants In Water, environment purification.Meanwhile, effective microbe all has positive effect at promotion Nutrient Transformation and plant root growth.
As preferably, described polyether glycol is combined by one or both in a kind of ending amino polyether polyvalent alcohol and dihydroxy polyether polyol alcohol, trihydroxy-polyether glycol.Concrete, described polyether glycol is the mixture of 2-3 kind polyether glycol.In polyether glycol of the present invention: ending amino polyether polyvalent alcohol accounts for the 15-60% of polyether glycol gross weight, this ending amino polyether molecular weight is between 200-1000, amine value is greater than 100mgKOH/g, all the other polyether glycols are one in dihydroxy polyether polyol alcohol, trihydroxy-polyether glycol or two kinds of combinations, the molecular weight of dihydroxy polyether polyol alcohol, trihydroxy-polyether glycol is between 1500-3500, hydroxyl value 15-60mgKOH/g.The polyether glycol of the such specific composition of the present invention, good hydrophilic property, tight with plant cultivation media compound, composite prod was both conducive to microbial activities, was applicable to plant growing again.
As preferably, described polyester polyol is sulfonate modified polyester polyol, molecular weight 1200-3500g/mol, hydroxyl value 25-80mgKOH/g.
As preferably, described isocyanic ester is the one or more combination in tolylene diisocyanate, '-diphenylmethane diisocyanate, hexamethylene diisocyanate.
As preferably, described catalyzer is the one in triethylene diamine, trolamine; Described suds-stabilizing agent is silicone oil; Described whipping agent is deionized water.
As preferably, the raw material of described effective microbe culture medium is mixed by following composition by mass percentage: gac 35-49%, vegetable fibre 35-49.5%, mineral clay 5-10%, molasses 5-10%, EM bacterium liquid 0.5-1.0%.
As preferably, described gac is that specific surface area is greater than 300m
2the plant-sourced gac of/g; Described vegetable fibre is the combination of one or more in xylon, coir fibre, bamboo fibers, peat fibre, and the length of vegetable fibre is less than 2 millimeters.
As preferably, described mineral clay is the combination of one or more in perlite, vermiculite, montmorillonite, diatomite.
The feature of effective microbe culture medium formula:
1. intensity is comparatively large, and toughness is better, can as the matrix of plant-growth in water body, not broken;
2.EM bacterium can well preserve and breed in this formula;
3. root system of plant also can grow well in this matrix.
As preferably, effective microbe culture medium follows these steps to production and obtains:
(1) gac, vegetable fibre, mineral clay, molasses are uniformly mixed in proportion, composition fermentation compound;
(2) after EM bacterium liquid being diluted with deionized water, join in fermentation compound and mix, then with deionized water, the water content of mixture is adjusted to 60-65%, then mixture is built heap fermentation, fermentation time is: summer and autumn are 7-10 days, and spring and winter are 15-20 days; Finally obtaining water ratio is 25-40% effective microbe culture medium.
As preferably, preparation method is as follows:
Prepared by A, polyol: by polyether glycol, polyester polyol, catalyzer, whipping agent, suds-stabilizing agent, and by proportioning mixing, temperature remains on 20-35 DEG C, fully mixes in container, obtained polyol;
B, add in the polyol of steps A in effective microbe culture medium, stir 10-15 minute, abundant mixing, add isocyanic ester again, 10-20 second is stirred in timing, pour in mould, the demoulding after static 20-30 minute under temperature 20-35 DEG C of condition, then product after the demoulding is placed on 20-50 DEG C of ventilation, relative humidity obtains product after slaking 24-48 hour under being less than the environment of 40%.
The invention has the beneficial effects as follows: by adding polyether glycol in preparation process, polyester polyol, effective microbe (EM) culture medium and isocyanic ester associating foam process, it is made both to have had the carrier of higher concentration effective microbe content, there is again cross-linked structure and the strong pole absorb subsemimodule of micropore and macropore, it collects the large surface of micropore, macropore permeability, wetting ability and strong adsorptivity are in one, there is good microorganism affinity, high capacity amount, simultaneously, structure properties is stablized, it is a kind of effective microbe (EM) fixation support efficiently, this product can be used as cultivating seedlings, the matrix of water culture, also the carrier as water pollutions microbial treatment in water can be placed on.
Embodiment
Below by specific embodiment, technical scheme of the present invention is described in further detail.
In the present invention, if not refer in particular to, the raw material adopted and equipment etc. all can be buied from market or this area is conventional.Method in following embodiment, if no special instructions, is the ordinary method of this area.
Polyester polyol in the embodiment of the present invention is sulfonate modified polyester polyol (commercially available), molecular weight 1200-3500g/mol, hydroxyl value 25-80mgKOH/g.Polyether glycol is combined by one or both in a kind of ending amino polyether polyvalent alcohol (commercially available) and dihydroxy polyether polyol alcohol (commercially available), trihydroxy-polyether glycol (commercially available).Ending amino polyether polyvalent alcohol accounts for the 15-60% of polyether glycol gross weight, this ending amino polyether molecular weight is between 200-1000, amine value is greater than 100mgKOH/g, all the other polyether glycols are one in dihydroxy polyether polyol alcohol, trihydroxy-polyether glycol or two kinds of combinations, the molecular weight of dihydroxy polyether polyol alcohol, trihydroxy-polyether glycol is between 1500-3500, hydroxyl value 15-60mgKOH/g.
Embodiment 1:
A kind of multipurpose urethane effective microbe solidified carrier, be mixed by the feed composition of following parts by weight: polyether glycol 15 parts, polyester polyol 5 parts, isocyanic ester (tolylene diisocyanate) 20 parts, catalyzer (triethylene diamine) 0.31 part, suds-stabilizing agent (silicone oil) 0.8 part, whipping agent (deionized water) 5 parts, effective microbe culture medium is with dry weight basis 30 parts.
The raw material of described effective microbe culture medium is mixed by following composition by mass percentage: (specific surface area is greater than 300m to gac
2the plant-sourced gac of/g, granular size crosses 80 mesh sieves, commercially available) 35%, vegetable fibre is (commercially available, xylon, the length of vegetable fibre is less than 2 millimeters) 49.5%, mineral clay (perlite, granular size crosses 200 mesh sieves) 5%, molasses 10%, EM bacterium liquid (commercially available) 0.5%.
Embodiment 2:
A kind of multipurpose urethane effective microbe solidified carrier, be mixed by the feed composition of following parts by weight: polyether glycol 30 parts, polyester polyol 15 parts, isocyanic ester ('-diphenylmethane diisocyanate) 35 parts, catalyzer (trolamine) 0.40 part, suds-stabilizing agent (silicone oil) 1.0 parts, whipping agent (deionized water) 15 parts, effective microbe culture medium is with dry weight basis 50 parts.
The raw material of described effective microbe culture medium is mixed by following composition by mass percentage: (specific surface area is greater than 300m to gac
2the plant-sourced gac of/g, granular size crosses 80 mesh sieves, commercially available) 49%, (xylon and bamboo fibers mix according to the quality proportioning of 1:1 vegetable fibre, the length of vegetable fibre is less than 2 millimeters) 35%, mineral clay (montmorillonite and diatomite mix according to the quality proportioning of 1:1, and granular size crosses 200 mesh sieves) 10%, molasses 5%, EM bacterium liquid (commercially available) 1.0%.
Embodiment 3:
A kind of multipurpose urethane effective microbe solidified carrier, be mixed by the feed composition of following parts by weight: polyether glycol 20 parts, polyester polyol 10 parts, isocyanic ester (tolylene diisocyanate and hexamethylene diisocyanate mix according to the quality proportioning of 1:1) 30 parts, catalyzer (trolamine) 0.35 part, suds-stabilizing agent (silicone oil) 0.9 part, whipping agent (deionized water) 10 parts, effective microbe culture medium is with dry weight basis 40 parts.
The raw material of described effective microbe culture medium is mixed by following composition by mass percentage: (specific surface area is greater than 300m to gac
2the plant-sourced gac of/g, granular size crosses 80 mesh sieves, commercially available) 44%, vegetable fibre is (commercially available, peat fibre, the length of vegetable fibre is less than 2 millimeters) 44%, mineral clay (vermiculite, granular size crosses 200 mesh sieves) 6%, molasses 5.2%, EM bacterium liquid (commercially available) 0.8%.
Effective microbe culture medium of the present invention follows these steps to production and obtains:
(1) gac, vegetable fibre, mineral clay, molasses are uniformly mixed in proportion, composition fermentation compound;
(2) EM bacterium liquid deionized water is doubly diluted by 1:500, join in fermentation compound and mix, then with deionized water, the water content of mixture is adjusted to 60-65%, then mixture is built heap fermentation, fermentation time is: summer and autumn are 7-10 days, and spring and winter are 15-20 days; Finally obtaining water ratio is 25-40% effective microbe culture medium.
Multipurpose urethane effective microbe solidified carrier preparation method of the present invention is as follows:
Prepared by A, polyol: by polyether glycol, polyester polyol, catalyzer, whipping agent, suds-stabilizing agent, and by proportioning mixing, temperature remains on 20-35 DEG C, fully mixes in container, obtained polyol;
B, add in the polyol of steps A in effective microbe culture medium, stir 10-15 minute, abundant mixing, add isocyanic ester again, 10-20 second is stirred in timing, pour in mould, the demoulding after static 20-30 minute under temperature 20-35 DEG C of condition, then product after the demoulding is placed on 20-50 DEG C of ventilation, relative humidity obtains product after slaking 24-48 hour under being less than the environment of 40%.
Concrete preparation example 1
The first step, prepared by polyether-polyester polyol component: by polyether glycol (model 3050) 100 grams, Amino Terminated polyether(ATPE) polyvalent alcohol (model JEFFAMINED-400) 50 grams, polyester polyol 55 grams, triethylene diamine 3.5 grams, silicone oil 8.5 grams, deionized water 100 grams puts into container respectively, at 25 DEG C of temperature, is uniformly mixed, fully mix in container, obtained polyether-polyester polyol component.
Second step, prepared by microorganism culturing substrate material component: 150 grams of gacs, 150 grams of vegetable fibres, 20 grams of perlites, 20 grams of molasses are uniformly mixed, 3 grams of EM stoste deionized waters are doubly diluted by 1:500, add again, be uniformly mixed in fermentation compound, with deionized water, the water content of compound is adjusted to 60% again, stirs 3 minutes, mixture is deposited in the cement tub of opening and ferments, ferment 7 days in summer, finally obtaining water ratio is 28% effective microbe culture medium.
3rd step, microorganism culturing substrate material component step 2 obtained adds in the obtained polyether-polyester polyol component of step one, stir 15 minutes, abundant mixing, then add isocyanic ester (TDI-100) 270 grams, timing is stirred, after 10 seconds, mixture is poured in square mould, the demoulding after static 20 minutes under temperature 25 DEG C of conditions, then product after the demoulding is placed on 25 DEG C, under the ventilated environment of relative humidity 30% slaking obtain product after 28 hours.
In this preparation example, the polyether glycol trade mark is Shandong Lanxing Dongda Chemical Co., Ltd, model 3050; Amino Terminated polyether(ATPE) polyvalent alcohol U.S. Hensel steps (Huntsman) company, model JEFFAMINED-400; Polyester polyol is sulfonate modified polyester polyol, and Beijing one hundred source Chemical Co., Ltd. produces, model BY3301.Triethylene diamine, Shanghai chemical reagent work, model: CP; Polyether modified silicon oil, Shandong Dayi Chemical Industry Co., Ltd, model DY-ET10; Gac is activated carbon from bamboo, and specific surface area is 550m
2/ g, size crosses 80 mesh sieves; Vegetable fibre is the bamboo fibers (commercially available) that length is less than 2 millimeters; Tolylene diisocyanate is German Baeyer, model TDI-100; Effective microbe (EM) stoste is that Shandong health Baoxing Fei Ye company limited produces.Perlite is that perlite expansion factory of Jinyun county produces, and crosses 200 mesh sieves.
The charcoal compound polyurethane material unit weight 0.31g/cm3 of the plant cultivation that this preparation example is produced, porosity 74%, matrix material effective microbe reaches 800,000,000/more than g, simultaneously, can increase fast in the water body of eutrophication, inorganic nitrogen, inorganic phosphorus in clean water body, decompose the organic matter in water body.
Concrete preparation example 2
The first step, prepared by polyether-polyester polyol component: by polyether glycol (model DEP455S) 100 grams, Amino Terminated polyether(ATPE) polyvalent alcohol (model D-400) 50 grams, polyester polyol 70 grams, triethylene diamine 3.5 grams, silicone oil 8.5 grams, deionized water 100 grams puts into container respectively, at 25 DEG C of temperature, is uniformly mixed, fully mix in container, obtained polyether-polyester polyol component.
Second step, prepared by microorganism culturing substrate material component: 170 grams of gacs, 170 grams of vegetable fibres, 23 grams of perlites, 20 grams of molasses are uniformly mixed, 3 grams of EM stoste deionized waters are doubly diluted by 1:500, add again, be uniformly mixed in fermentation compound, with deionized water, the water content of compound is adjusted to 60% again, stirs 5 minutes, mixture is deposited in the cement tub of opening and ferments, ferment 15 days in autumn, finally obtaining water ratio is 35% effective microbe culture medium.
3rd step, microorganism culturing substrate material component step 2 obtained adds in the obtained polyether-polyester polyol component of step one, stir 15 minutes, abundant mixing, then add isocyanic ester (TDI-100) 250 grams, timing is stirred, after 15 seconds, mixture is poured in square mould, the demoulding after static 20 minutes under temperature 25 DEG C of conditions, then product after the demoulding is placed on 25 DEG C, under the ventilated environment of relative humidity 30% slaking obtain product after 30 hours.
The polyether glycol trade mark of this preparation example is Zibo federal chemical Industrial Co., Ltd of moral letter, model DEP455S; Amino Terminated polyether(ATPE) polyvalent alcohol Wuxi A Keli Science and Technology Co., Ltd., model D-400; Triethylene triamine, U.S.'s Hensel is graceful; Polyester polyol is sulfonate modified polyester polyol, and Beijing one hundred source Chemical Co., Ltd. produces, model BY3306; Polyether modified silicon oil, upper the sea is quiet enlightening novel material Science and Technology Ltd., model: YD-3701.Triethylene diamine, Shanghai chemical reagent work, model: CP; Polyether modified silicon oil, Shandong Dayi Chemical Industry Co., Ltd, model DY-ET10; Gac is activated carbon from bamboo, and specific surface area is 350m
2/ g, size crosses 100 mesh sieves; Vegetable fibre is the coir fibre that length is less than 2 millimeters; Tolylene diisocyanate is German Baeyer, model TDI-80; Effective microbe (EM) stoste is that Shandong health Baoxing Fei Ye company limited produces.Perlite is that perlite expansion factory of Jinyun county produces, and crosses 200 mesh sieves.
The charcoal compound polyurethane material unit weight 0.42g/cm3 of the plant cultivation that this preparation example is produced, porosity 54%, matrix material effective microbe reaches 800,000,000/g, simultaneously, can increase fast in the water body of eutrophication, inorganic nitrogen, inorganic phosphorus in clean water body, decompose the organic matter in water body.The growth of this substrate material very applicable root system of plant again, can be used for water culture.
Urethane effective microbe solidified carrier of the present invention can make microorganism produce very strong reproductive ability (breeding microorganism up to a million in every milliliter), BOD5 in water body (biological oxygen demand (BOD)), COD (chemical oxygen demand), TSS (suspended solid) can be reduced fast, have very strong removal ability to ammonia nitrogen and phosphorus; While improvement sewage, mud can be removed, removes the stench in pond.Usually, can eliminate stink (temperature is within 12-45 degree Celsius) in 3-7 days, no longer produce mud while improvement, the lake, river of pollution does not need desilting, and cleaning effect is firm for a long time; Dispose of sewage short with the mud time.Urethane effective microbe solidified carrier is at natural waters such as improvement river courses, and without any need for chemical agent, selected all microorganisms are all come from nature, do not have the bacterial classification of gene alteration, do not have the danger of causing a disease and producing variation.Sewage non-secondary pollution after process, the microorganism natural death produced, do not have BOD (biological oxygen demand (BOD)) in water, then microorganism loses the survival energy, naturally reduces, becomes carbonic acid gas and water, not to environment and any injury of biological generation.
Above-described embodiment is one of the present invention preferably scheme, not does any pro forma restriction to the present invention, also has other variant and remodeling under the prerequisite not exceeding the technical scheme described in claim.
Claims (10)
1. a multipurpose urethane effective microbe solidified carrier, it is characterized in that: be mixed by the feed composition of following parts by weight: polyether glycol 15-30 part, polyester polyol 5-15 part, isocyanic ester 20-35 part, catalyzer 0.31-0.40 part, suds-stabilizing agent 0.8-1.0 part, whipping agent 5-15 part, effective microbe culture medium is with dry weight basis 30-50 part.
2. a kind of multipurpose urethane effective microbe solidified carrier according to claim 1, is characterized in that: described polyether glycol is combined by one or both in a kind of ending amino polyether polyvalent alcohol and dihydroxy polyether polyol alcohol, trihydroxy-polyether glycol.
3. a kind of multipurpose urethane effective microbe solidified carrier according to claim 1, is characterized in that: described polyester polyol is sulfonate modified polyester polyol, molecular weight 1200-3500g/mol, hydroxyl value 25-80mgKOH/g.
4. a kind of multipurpose urethane effective microbe solidified carrier according to claim 1 or 2 or 3, is characterized in that: described isocyanic ester is the one or more combination in tolylene diisocyanate, '-diphenylmethane diisocyanate, hexamethylene diisocyanate.
5. a kind of multipurpose urethane effective microbe solidified carrier according to claim 1 or 2 or 3, is characterized in that: described catalyzer is the one in triethylene diamine, trolamine; Described suds-stabilizing agent is silicone oil; Described whipping agent is deionized water.
6. a kind of multipurpose urethane effective microbe solidified carrier according to claim 1 or 2 or 3, it is characterized in that: the raw material of described effective microbe culture medium is mixed by following composition by mass percentage: gac 35-49%, vegetable fibre 35-49.5%, mineral clay 5-10%, molasses 5-10%, EM bacterium liquid 0.5-1.0%.
7. a kind of multipurpose urethane effective microbe solidified carrier according to claim 6, is characterized in that: described gac is that specific surface area is greater than 300m
2the plant-sourced gac of/g; Described vegetable fibre is the combination of one or more in xylon, coir fibre, bamboo fibers, peat fibre, and the length of vegetable fibre is less than 2 millimeters.
8. a kind of multipurpose urethane effective microbe solidified carrier according to claim 6, is characterized in that: described mineral clay is the combination of one or more in perlite, vermiculite, montmorillonite, diatomite.
9. a kind of multipurpose urethane effective microbe solidified carrier according to claim 6, is characterized in that: effective microbe culture medium follows these steps to production and obtains:
(1) gac, vegetable fibre, mineral clay, molasses are uniformly mixed in proportion, composition fermentation compound;
(2) after EM bacterium liquid being diluted with deionized water, join in fermentation compound and mix, then with deionized water, the water content of mixture is adjusted to 60-65%, then mixture is built heap fermentation, fermentation time is: summer and autumn are 7-10 days, and spring and winter are 15-20 days; Finally obtaining water ratio is 25-40% effective microbe culture medium.
10. a kind of multipurpose urethane effective microbe solidified carrier according to claim 1, it is characterized in that, preparation method is as follows:
Prepared by A, polyol: by polyether glycol, polyester polyol, catalyzer, whipping agent, suds-stabilizing agent, and by proportioning mixing, temperature remains on 20-35 DEG C, fully mixes in container, obtained polyol;
B, add in the polyol of steps A in effective microbe culture medium, stir 10-15 minute, abundant mixing, add isocyanic ester again, 10-20 second is stirred in timing, pour in mould, the demoulding after static 20-30 minute under temperature 20-35 DEG C of condition, then product after the demoulding is placed on 20-50 DEG C of ventilation, relative humidity obtains product after slaking 24-48 hour under being less than the environment of 40%.
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| CN110506559A (en) * | 2019-09-23 | 2019-11-29 | 海南博雅生态建设有限公司 | A kind of cultural method of Loropetalum chinense var.rubrum |
| CN110506559B (en) * | 2019-09-23 | 2022-04-05 | 原域园林有限公司 | Cultivation method of carthamus chinensis |
| CN111647130A (en) * | 2020-05-14 | 2020-09-11 | 沈阳理工大学 | Microbial flame-retardant polyurethane rigid foam and preparation method thereof |
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| CN113087283A (en) * | 2021-03-02 | 2021-07-09 | 商丘师范学院 | Foam-shaped immobilized microorganism filler for sewage treatment and preparation method thereof |
| CN113087283B (en) * | 2021-03-02 | 2023-09-08 | 商丘师范学院 | Foam immobilized microorganism filler for sewage treatment and preparation method thereof |
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