CN105461879B - A kind of multipurpose urethane effective microbe solidified carrier - Google Patents
A kind of multipurpose urethane effective microbe solidified carrier Download PDFInfo
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- CN105461879B CN105461879B CN201510766375.3A CN201510766375A CN105461879B CN 105461879 B CN105461879 B CN 105461879B CN 201510766375 A CN201510766375 A CN 201510766375A CN 105461879 B CN105461879 B CN 105461879B
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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
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- Biological Treatment Of Waste Water (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a kind of multipurpose urethane effective microbe solidified carrier, is mixed by the raw material components of following parts by weight meter：15 30 parts of PPG, 5 15 parts of PEPA, 20 35 parts of isocyanates, 0.31 0.40 parts of catalyst, 0.8 1.0 parts of foam stabiliser, 5 15 parts of foaming agent, 30 50 parts in terms of dry weight of effective microbe culture matrix.The present invention had both had the carrier of higher concentration effective microbe content, there is the cross-linked structure of micropore and macropore and strong highly hydroscopic water retention property again, it integrates micropore large surface, macropore permeability, hydrophily and strong adsorptivity, with good microorganism compatibility, high capacity amount, meanwhile structural behaviour is stable.The product can be not only used for Water, phosphor contaminant absorbs and the decomposition of organic substance, light-duty, multi-functional plant cultivation media can be also used as, for engineerings such as houseplant cultivation, afforestation.
Description
Technical field
The present invention relates to a kind of solidified carrier, more particularly to a kind of multipurpose urethane effective microbe solidified carrier.
Background technology
China within a suitable period from now on still in developing stage, the problem of water pollution is a long-term existence.Ground
Table water suffer from fast development of the serious destruction with industrialzation and urbanization, by the mankind as important water resource
Production, life the nutriment such as influence, nitrogen, phosphorus largely enter the slow flow water bodies such as lake, river mouth, bay, cause algae and its
He breeds rapidly planktonic organism, causes Dissolved Oxygen in Water amount to decline, and body eutrophication phenomenon is on the rise.For eutrophication
The improvement of water body, phytoremediation technology, microorganism remediation technology are to administer the effective measures of body eutrophication, on this basis
The plant-microorganism combined remediation technology to grow up is one of focus of current research
Immobilized microorganism can preferably protect dominant bacteria pernicious not competing by indigenous bacterium by providing special microenvironment
Strive, while efficient repair ability is kept, dominant bacteria can be shielded from outside adverse circumstances, overcome to a certain extent
The deficiency of traditional renovation technique, there is preferable application prospect.
The content of the invention
It is an object of the invention to provide a kind of multipurpose urethane effective microbe solidified carrier, both with higher concentration
The carrier of effective microbe content, has the cross-linked structure of micropore and macropore and strong highly hydroscopic water retention property again, and it collects micro-
Hole large surface, macropore permeability, hydrophily and strong adsorptivity have good microorganism compatibility, high capacity amount, together in one
When, structural behaviour is stable.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of multipurpose urethane effective microbe solidified carrier, it is mixed by the raw material components of following parts by weight meter：
PPG 15-30 parts, PEPA 5-15 parts, isocyanates 20-35 parts, catalyst 0.31-0.40 parts, foam stabilization
Agent 0.8-1.0 parts, foaming agent 5-15 parts, effective microbe culture matrix 30-50 parts in terms of dry weight.
There is certain intensity, toughness and service life in water environment to reach, the present invention uses PPG
With PEPA mixed foaming technology, increase the cross-link intensity of polyurethane material.Pass through PPG, polyester polyols simultaneously
The selection of alcohol, enable the polyurethane material of generation same effective microbe well（EM）Fixed host material（Activated carbon, plant
Fiber, mineral clay, molasses）Effectively combine, final products can load higher concentration effective microbe, and and can makes the micro- life of load
Thing keeps certain activity.
Because product of the present invention is mainly used in the culture of water plant, therefore, it is necessary to intensity and toughness increase, be formulated
In add PEPA, the intensity of product can be increased.But current water pollution is serious, such as passes through polyurethane and microculture
The combination of matrix, effective microbe can be promoted（EM）Growth and breed, the decomposition of Organic Pollutants In Water can be promoted, purify
Environment.Meanwhile effective microbe is to promote Nutrient Transformation and plant root growth all to have the function that positive.
Preferably, the PPG is by a kind of ending amino polyether polyalcohol and dihydroxy polyether polyol alcohol, three hydroxyls
One or both of based polyether polyol combines.Specifically, the PPG is the mixed of 2-3 kind PPGs
Compound.In the PPG of the present invention：Ending amino polyether polyalcohol accounts for the 15-60% of PPG gross weight, the end amido
For pfpe molecule amount between 200-1000, amine value is more than 100 mg KOH/g, and remaining PPG is dihydroxy polyether polyol
Alcohol, one kind in trihydroxy PPG or two kinds of combinations, dihydroxy polyether polyol alcohol, the molecule of trihydroxy PPG
Measure between 1500-3500, hydroxyl value 15-60mgKOH/g.The PPG of so specific composition of the invention, good hydrophilic property, together
Plant cultivation media is compound close, and joint product not only improves microbial activities, is adapted to planting again.
Preferably, the PEPA is sulfonate modified PEPA, and molecular weight 1200-3500g/mol, hydroxyl
Value 25-80mgKOH/g.
Preferably, the isocyanates is toluene di-isocyanate(TDI), '-diphenylmethane diisocyanate, the isocyanide of hexamethyl two
One or more combination in acid esters.
Preferably, the catalyst is one kind in triethylene diamine, triethanolamine；The foam stabiliser is silicon
Oil；The foaming agent is deionized water.
Made preferably, the raw material of the effective microbe culture matrix is mixed by following component by mass percentage
Into：Activated carbon 35-49%, string 35-49.5%, mineral clay 5-10%, molasses 5-10%, EM bacterium solution 0.5-1.0%.
Preferably, described activated carbon, which is specific surface area, is more than 300 m2/ g plant source activated carbon；The plant is fine
Tie up and be less than 2 millis for one or more of combinations in wood-fibred, coir fibre, bamboo fibre, peat fibre, the length of string
Rice.
Preferably, described mineral clay is one or more of groups in perlite, vermiculite, montmorillonite, diatomite
Close.
The characteristics of effective microbe culture matrix is formulated：
1. intensity is larger, toughness is preferable, matrix that can be in water body as plant growth, does not crush；
2. EM bacterium can preserve and breed well in this formula；
3. root system of plant can also grow in the matrix well.
Obtained preferably, effective microbe culture matrix follows these steps production：
（1）Activated carbon, string, mineral clay, molasses are uniformly mixed in proportion, composition fermentation compound；
（2）After EM bacterium solutions are diluted with deionized water, it is added in fermentation compound and mixes, then will be mixed with deionized water
60-65% is arrived in the water content regulation of material, and mixed material then is built into heap fermentation, and fermentation time is：Summer and autumn are 7-10
My god, spring and winter are 15-20 days；It is 25-40% effective microbe culture matrixes to finally obtain moisture content.
Preferably, preparation method is as follows：
A, prepared by polyol：By PPG, PEPA, catalyst, foaming agent, foam stabiliser, press
Proportioning mixing, temperature are maintained at 20-35 DEG C, are sufficiently mixed in container uniformly, polyol is made；
B, add in step A polyol, stir 10-15 minutes into effective microbe culture matrix, it is fully mixed
Close, add isocyanates, the timing stirring 10-20 seconds, pour into mould, the static 20-30 minutes under the conditions of 20-35 DEG C of temperature
After be stripped, then product after the demoulding be placed on 20-50 DEG C of ventilation, relative humidity be less than 40% in the environment of cure 24-48 hours after
Obtain product.
The beneficial effects of the invention are as follows：By adding PPG, PEPA, effectively micro- life in preparation process
Thing（EM）Culture matrix and isocyanates joint foam process, make it both have the carrier of higher concentration effective microbe content,
There is the cross-linked structure of micropore and macropore and strong highly hydroscopic water retention property again, it collects micropore large surface, macropore permeability, parent
Water-based and strong adsorptivity has good microorganism compatibility, high capacity amount in one, meanwhile, structural behaviour is stable, is a kind of
Efficient effective microbe（EM）Fixation support, the product can be used as the matrix of cultivating seedlings, water culture, may also placed in
Carrier in water as water pollution microbial treatment.
Embodiment
Below by specific embodiment, technical scheme is described in further detail.
In the present invention, if not refering in particular to, used raw material and equipment etc. are commercially available or commonly used in the art.
Method in following embodiments, it is the conventional method of this area unless otherwise instructed.
PEPA in the embodiment of the present invention is sulfonate modified PEPA（It is commercially available）, molecular weight 1200-
3500g/mol, hydroxyl value 25-80mgKOH/g.PPG is by a kind of ending amino polyether polyalcohol（It is commercially available）With polyether diols
Polyalcohol（It is commercially available）, trihydroxy PPG（It is commercially available）One or both of combine.Ending amino polyether polyalcohol accounts for
The 15-60% of PPG gross weight, for the ending amino polyether molecular weight between 200-1000, amine value is more than 100 mg KOH/
G, remaining PPG be dihydroxy polyether polyol alcohol, one kind in trihydroxy PPG or two kinds combination, dihydroxy
PPG, the molecular weight of trihydroxy PPG are between 1500-3500, hydroxyl value 15-60mgKOH/g.
Embodiment 1：
A kind of multipurpose urethane effective microbe solidified carrier, it is mixed by the raw material components of following parts by weight meter：
15 parts of PPG, 5 parts of PEPA, isocyanates（Toluene di-isocyanate(TDI)）20 parts, catalyst（Triethylene diamine）
0.31 part, foam stabiliser（Silicone oil）0.8 part, foaming agent（Deionized water）5 parts, effective microbe culture matrix in terms of dry weight 30
Part.
The raw material of the effective microbe culture matrix is mixed by following component by mass percentage：Activated carbon
（Specific surface area is more than 300 m2/ g plant source activated carbon, granular size crosses 80 mesh sieves, commercially available）35%, string（It is commercially available,
Wood-fibred, the length of string are less than 2 millimeters）49.5%, mineral clay（Perlite, granular size cross 200 mesh sieves）5%, sugar
Honey 10%, EM bacterium solutions（It is commercially available）0.5%.
Embodiment 2：
A kind of multipurpose urethane effective microbe solidified carrier, it is mixed by the raw material components of following parts by weight meter：
30 parts of PPG, 15 parts of PEPA, isocyanates（'-diphenylmethane diisocyanate）35 parts, catalyst（Three ethanol
Amine）0.40 part, foam stabiliser（Silicone oil）1.0 parts, foaming agent（Deionized water）15 parts, effective microbe culture matrix is with dry weight
50 parts of meter.
The raw material of the effective microbe culture matrix is mixed by following component by mass percentage：Activated carbon
（Specific surface area is more than 300 m2/ g plant source activated carbon, granular size crosses 80 mesh sieves, commercially available）49%, string（Wood-fibred
With bamboo fibre according to 1:1 quality proportioning mixes, and the length of string is less than 2 millimeters）35%, mineral clay（Montmorillonite
With diatomite according to 1:1 quality proportioning mixes, and granular size crosses 200 mesh sieves）10%, molasses 5%, EM bacterium solutions（It is commercially available）
1.0%。
Embodiment 3：
A kind of multipurpose urethane effective microbe solidified carrier, it is mixed by the raw material components of following parts by weight meter：
20 parts of PPG, 10 parts of PEPA, isocyanates（Toluene di-isocyanate(TDI) is with hexamethylene diisocyanate according to 1:
1 quality proportioning mixes）30 parts, catalyst（Triethanolamine）0.35 part, foam stabiliser（Silicone oil）0.9 part, foaming agent
（Deionized water）10 parts, 40 parts in terms of dry weight of effective microbe culture matrix.
The raw material of the effective microbe culture matrix is mixed by following component by mass percentage：Activated carbon
（Specific surface area is more than 300 m2/ g plant source activated carbon, granular size crosses 80 mesh sieves, commercially available）44%, string（It is commercially available,
Peat fibre, the length of string are less than 2 millimeters）44%, mineral clay（Vermiculite, granular size cross 200 mesh sieves）6%, molasses
5.2%, EM bacterium solution（It is commercially available）0.8%.
Effective microbe culture matrix of the present invention follows these steps production and obtained：
（1）Activated carbon, string, mineral clay, molasses are uniformly mixed in proportion, composition fermentation compound；
（2）EM bacterium solutions are pressed 1 with deionized water:500 times of dilutions, it is added in fermentation compound and mixes, then uses deionization
The water content regulation of mixed material is arrived 60-65% by water, and mixed material then is built into heap fermentation, and fermentation time is：Summer and autumn
For 7-10 days, spring and winter were 15-20 days；It is 25-40% effective microbe culture matrixes to finally obtain moisture content.
The multipurpose urethane effective microbe solidified carrier preparation method of the present invention is as follows：
A, prepared by polyol：By PPG, PEPA, catalyst, foaming agent, foam stabiliser, press
Proportioning mixing, temperature are maintained at 20-35 DEG C, are sufficiently mixed in container uniformly, polyol is made；
B, add in step A polyol, stir 10-15 minutes into effective microbe culture matrix, it is fully mixed
Close, add isocyanates, the timing stirring 10-20 seconds, pour into mould, the static 20-30 minutes under the conditions of 20-35 DEG C of temperature
After be stripped, then product after the demoulding be placed on 20-50 DEG C of ventilation, relative humidity be less than 40% in the environment of cure 24-48 hours after
Obtain product.
Specific preparation example 1
It is prepared by the first step, polyether-polyester polyol component：By PPG（Model 3050）100 grams, amine terminated polyether
Polyalcohol（Model JEFFAMINE D-400）50 grams, 55 grams of PEPA, 3.5 grams of triethylene diamine, 8.5 grams of silicone oil, go from
Sub- 100 grams of water is respectively put into container, at a temperature of 25 DEG C, is stirred, and is sufficiently mixed in container uniformly, and obtained polyethers-
PEPA component.
It is prepared by second step, microculture host material component：By 150 grams of activated carbons, 150 grams of strings, 20 grams of treasure
Zhu Yan, 20 grams of molasses are stirred, and 3 grams of EM stostes are pressed into 1 with deionized water:500 times of dilutions, add, are stirred hair
In ferment compound, then with deionized water the water content of compound regulation to 60% is stirred 3 minutes, mixed material is deposited in out
Ferment, fermented 7 days in summer, it is 28% effective microbe culture matrix to finally obtain moisture content in the cement tub of mouth.
3rd step, the microculture host material component that step 2 is obtained add polyether-polyester made from step 1
In polyol, stir 15 minutes, be sufficiently mixed, add isocyanates（TDI-100）270 grams, timing stirring, 10 seconds
Afterwards, pour the mixture into square mould, be stripped under the conditions of 25 DEG C of temperature after static 20 minutes, then product after the demoulding is put
Put and obtain product after being cured 28 hours under 25 DEG C, the ventilated environment of relative humidity 30%.
The PPG trade mark is Shandong Lanxing Dongda Chemical Co., Ltd in this preparation example, model 3050；Hold ammonia
Based polyether polyol U.S. Hensel steps（Huntsman）Company, model JEFFAMINE D-400；PEPA changes for sulfonate
Property PEPA, the source Chemical Co., Ltd. of Beijing one hundred production, model BY3301.Triethylene diamine, Shanghai chemical reagent work, model：
CP；Polyether modified silicon oil, Shandong Dayi Chemical Industry Co., Ltd, model DY-ET10；Activated carbon is activated carbon from bamboo, specific surface area
For 550 m2/ g, size cross 80 mesh sieves；String is the bamboo fibre that length is less than 2 millimeters（It is commercially available）；Toluene di-isocyanate(TDI)
For German Baeyer, model TDI-100；Effective microbe（EM）Stoste produces for Shandong health Baoxing Fei Ye Co., Ltds.Perlite
Factory's production is expanded for Jinyun county perlite, crosses 200 mesh sieves.
The g/cm3 of charcoal compound polyurethane material unit weight 0.31 of the plant cultivation of this preparation example production, porosity 74%,
Composite effective microbe reaches 800,000,000/more than g, meanwhile, can in the water body of eutrophication rapid growth, clean water
Inorganic nitrogen, Phos in body, decompose the organic matter in water body.
Specific preparation example 2
It is prepared by the first step, polyether-polyester polyol component：By PPG（Model DEP455S）100 grams, Amino End Group
PPG（Model D-400）50 grams, 70 grams of PEPA, 3.5 grams of triethylene diamine, 8.5 grams of silicone oil, deionized water
100 grams are respectively put into container, at a temperature of 25 DEG C, are stirred, and are sufficiently mixed in container uniformly, polyether-polyester is made
Polyol.
It is prepared by second step, microculture host material component：By 170 grams of activated carbons, 170 grams of strings, 23 grams of treasure
Zhu Yan, 20 grams of molasses are stirred, and 3 grams of EM stostes are pressed into 1 with deionized water:500 times of dilutions, add, are stirred hair
In ferment compound, then with deionized water the water content of compound regulation to 60% is stirred 5 minutes, mixed material is deposited in out
Ferment, ferment 15 days in autumn, it is 35% effective microbe culture matrix to finally obtain moisture content in the cement tub of mouth.
3rd step, the microculture host material component that step 2 is obtained add polyether-polyester made from step 1
In polyol, stir 15 minutes, be sufficiently mixed, add isocyanates（TDI-100）250 grams, timing stirring, 15 seconds
Afterwards, pour the mixture into square mould, be stripped under the conditions of 25 DEG C of temperature after static 20 minutes, then product after the demoulding is put
Put and obtain product after being cured 30 hours under 25 DEG C, the ventilated environment of relative humidity 30%.
The PPG trade mark of this preparation example is that Zibo moral believes federal chemical Industrial Co., Ltd, model DEP455S；End
Amino-polyether polyalcohol Wuxi A Keli Science and Technology Co., Ltd., model D-400；Triethylene triamine, U.S.'s Hensel are graceful；Polyester
Polyalcohol is sulfonate modified PEPA, and the source Chemical Co., Ltd. of Beijing one hundred produces, model BY3306；Polyether-modified silicon
Oil, upper the sea is quiet enlightening new material Science and Technology Ltd., model: YD-3701.Triethylene diamine, Shanghai chemical reagent work, model：CP；It is poly-
Ether modified silicon oil, Shandong Dayi Chemical Industry Co., Ltd, model DY-ET10；Activated carbon is activated carbon from bamboo, specific surface area 350
m2/ g, size cross 100 mesh sieves；String is the coir fibre that length is less than 2 millimeters；Toluene di-isocyanate(TDI) is visitd for Germany
You, model TDI-80；Effective microbe（EM）Stoste produces for Shandong health Baoxing Fei Ye Co., Ltds.Perlite is that Jinyun county is precious
The production of Zhu Yan expansions factory, crosses 200 mesh sieves.
The g/cm3 of charcoal compound polyurethane material unit weight 0.42 of the plant cultivation of this preparation example production, porosity 54%,
Composite effective microbe reaches 800,000,000/g, meanwhile, can in the water body of eutrophication rapid growth, clean water body in
Inorganic nitrogen, Phos, decompose water body in organic matter.The host material is very suitable for the growth of root system of plant again, can be used for
Water culture.
The polyurethane effective microbe solidified carrier of the present invention can make microorganism produce very strong reproductive ability（It is numerous in every milliliter
Grow microorganism up to a million）, can quickly reduce BOD5 in water body (BOD), COD (chemical oxygen consumption (COC)), TSS (solids
Suspension), there is very strong removal ability to ammonia nitrogen and phosphorus；Mud can be removed while sewage is administered, remove the evil in pond
It is smelly.Stink can be generally eliminated in 3-7 days（Temperature is within 12-45 degree Celsius）, mud is no longer produced while improvement, is polluted
River lake be not required to desilting, cleaning effect consolidates for a long time；Handle sewage and the mud time is short.The solidification of polyurethane effective microbe carries
Body is administering the natural waters such as river course, it is not necessary to which any chemical agent, selected all microorganisms are from nature, do not had
There is the strain of gene alteration, do not cause a disease and produce the danger of variation.Sewage non-secondary pollution after processing, caused micro- life
Thing natural death, there is no BOD (BOD) in water, then microorganism loses the survival energy, reduces naturally, turns into carbon dioxide
And water, any injury is not produced to environment and biology.
Embodiment described above is a kind of preferable scheme of the present invention, not the present invention is made any formal
Limitation, there are other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (6)
- A kind of 1. multipurpose urethane effective microbe solidified carrier, it is characterised in that：By the raw material components of following parts by weight meter It is mixed：PPG 15-30 parts, PEPA 5-15 parts, isocyanates 20-35 parts, catalyst 0.31-0.40 Part, foam stabiliser 0.8-1.0 parts, foaming agent 5-15 parts, effective microbe culture matrix 30-50 parts in terms of dry weight；The PPG is by a kind of ending amino polyether polyalcohol and dihydroxy polyether polyol alcohol, trihydroxy PPG One or two combine, wherein, ending amino polyether polyalcohol accounts for the 15-60% of PPG gross weight, the end amido For pfpe molecule amount between 200-1000, amine value is more than 100 mg KOH/g；Dihydroxy polyether polyol alcohol, trihydroxy polyether polyols The molecular weight of alcohol is between 1500-3500, hydroxyl value 15-60mgKOH/g；The PEPA is sulfonate modified PEPA, molecular weight 1200-3500g/mol, hydroxyl value 25-80mgKOH/ g；The raw material of the effective microbe culture matrix is mixed by following component by mass percentage：Activated carbon 35- 49%, string 35-49.5%, mineral clay 5-10%, molasses 5-10%, EM bacterium solution 0.5-1.0%；The preparation method of the multipurpose urethane effective microbe solidified carrier is as follows：A, prepared by polyol：By PPG, PEPA, catalyst, foaming agent, foam stabiliser, by proportioning Mixing, temperature are maintained at 20-35 DEG C, are sufficiently mixed in container uniformly, polyol is made；B, step A polyol is added into effective microbe culture matrix, 10-15 minutes is stirred, is sufficiently mixed, then is added Enter isocyanates, the timing stirring 10-20 seconds, pour into mould, be stripped after static 20-30 minutes under the conditions of 20-35 DEG C of temperature, Produced after curing 24-48 hours in the environment of product after the demoulding is placed on 20-50 DEG C of ventilation, relative humidity less than 40% again Product.
- A kind of 2. multipurpose urethane effective microbe solidified carrier according to claim 1, it is characterised in that：It is described different Cyanate is the one or more combination in toluene di-isocyanate(TDI), '-diphenylmethane diisocyanate.
- A kind of 3. multipurpose urethane effective microbe solidified carrier according to claim 1, it is characterised in that：It is described to urge Agent is one kind in triethylene diamine, triethanolamine；The foam stabiliser is silicone oil；The foaming agent is deionized water.
- A kind of 4. multipurpose urethane effective microbe solidified carrier according to claim 1, it is characterised in that：Described Activated carbon is that specific surface area is more than 300 m2/ g plant source activated carbon；The string is wood-fibred, coir fibre, bamboo fibre One or more of combinations in dimension, peat fibre, the length of string are less than 2 millimeters.
- A kind of 5. multipurpose urethane effective microbe solidified carrier according to claim 1, it is characterised in that：Described Mineral clay is one or more of combinations in perlite, vermiculite, montmorillonite, diatomite.
- A kind of 6. multipurpose urethane effective microbe solidified carrier according to claim 1, it is characterised in that：It is effectively micro- Biological culture matrix follows these steps production and obtained：（1）Activated carbon, string, mineral clay, molasses are uniformly mixed in proportion, composition fermentation compound；（2）After EM bacterium solutions are diluted with deionized water, it is added in fermentation compound and mixes, then with deionized water by mixed material Water content regulation arrive 60-65%, mixed material then is built into heap ferments, and fermentation time is：Summer and autumn are 7-10 days, the spring Season and winter are 15-20 days；It is 25-40% effective microbe culture matrixes to finally obtain moisture content.
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