CN103242639A - Microorganism carrier added with composite nanometer additives and preparation method thereof as well as application of microorganism carrier - Google Patents
Microorganism carrier added with composite nanometer additives and preparation method thereof as well as application of microorganism carrier Download PDFInfo
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Abstract
The invention relates to a microorganism carrier and in particular relates to a microorganism carrier added with composite nanometer additives and a preparation method thereof and application of the microorganism carrier. The microorganism carrier added with the composite nanometer additives is prepared from the following materials in parts by weight: 60-65 parts of polyether polyol A, 35-40 parts of polyether polyol B, 20-25 parts of polyether polyol C, 1.2-1.5 parts of a composite catalyst, 10-12 parts of a composite foaming agent, 3-8 parts of composite nanometer additives and 3-4 parts of water. According to the invention, the composite nanometer additives are added in an organic material for organically combining the organic material with an inorganic material and carrying out reaction under an ultrasonic-wave condition, so that the composite nanometer additives are uniformly dispersed, and therefore, the specific surface area of the microorganism carrier is effectively increased to reach 430m<2>/m<3>-440<2>/m<3>, the treatment efficiency is improved and COD (Chemical Oxygen Demand) concentration and BOD (Biochemical Oxygen Demand) concentration are greatly lowered. Besides, the preparation method is simple and easy to implement and easy to realize.
Description
Technical field
The present invention relates to a kind of microbe carrier, be specifically related to a kind of microbe carrier that adds the composite Nano auxiliary agent and its preparation method and application.
Background technology
Along with the development of bio-pharmaceuticals industry, the pharmacy waste water of generation is more and more, and environment has been caused great threat in recent years.Technology of biological membrane is the gordian technique that solves China's water environmental problems.Microbial film is handled the water technology and is had simply, makes things convenient for, do not produce the characteristics of secondary pollution.And the immobilization bacterium technology plays an important role in technology of biological membrane.Bacterium is the host with the bio-carrier in the immobilization bacterium technology, chemical substance poisonous in the waste water or that pollute is degraded to the material of environmental sound by the biochemical reaction of bacterium.This process is effluent stream to be crossed a device that is mounted with microbe carrier finish.When carrying out sewage disposal, microbe carrier is fixation of microbe effectively, makes to good waste water treatment effect the efficient height.Still there is little, the fixing defective that microbial biomass is few, processing efficiency is low of specific surface area in the microbe carrier that uses in sewage treatment industry at present.
Summary of the invention
The purpose of this invention is to provide the microbe carrier of the interpolation composite Nano auxiliary agent that a kind of specific surface area is big, processing efficiency is high, the present invention provides its preparation method and application simultaneously.
The microbe carrier of interpolation composite Nano auxiliary agent of the present invention, made by the raw material of following parts by weight:
Polyether glycol A 60-65 part;
Polyether glycol B 35-40 part;
Polyether glycol C 20-25 part;
Composite catalyst 1.2-1.5 part;
Composite foamable agent 10-12 part;
Composite Nano auxiliary agent 3-8 part;
Water 3-4 part;
Described polyether glycol A is initiator with propylene glycol and glycol ether, and the propylene oxide ring-opening polymerization forms, and functionality 6, number-average molecular weight are 900; The mass ratio of propylene glycol and glycol ether is 1:1;
Described polyether glycol B is initiator with sucrose and dipropylene glycol, and epoxyethane ring-expansion polymerization forms, and functionality is 4, and number-average molecular weight is 700; The mass ratio of sucrose and dipropylene glycol is 1:1;
Described polyether glycol C is initiator with glycerine, and epoxyethane ring-expansion polymerization forms, and functionality is 5, and number-average molecular weight is 800;
Described composite catalyst is the mixture of triethylene diamine, dimethyl benzylamine, dibutyl tin laurate, and the mass ratio between the three is 1-2:2-3:2-3; Preferred 1:2:3.The present invention is composite by three kinds of catalyzer are carried out, and has improved reaction efficiency.
Described composite foamable agent is 1,1,1,3,3-3-pentafluorobutane HFC-365mfc, 1,1,1,2-Tetrafluoroethane HFC-134a, 1,1,1,3,3-pentafluoropropane HFC-245fa, 1,1,1,2,3,3, the mixture of 3-seven fluorine butane HFC-227, methylene dichloride, the mass ratio between five is 1-2:3.5-4:4.5-5:2.5-3:1-2, preferred 1.5:3.5:4.5:3:1.It is composite that the present invention adopts five kinds of whipping agents to carry out, and brought into play synergy, both avoided the defective of each whipping agent, also brought into play the advantage of each whipping agent, and the product foaming effect that makes is good.
Described composite Nano auxiliary agent is the composition of nano silicon and bamboo charcoal nano powder, and both mass ratioes are 1:1, and the preferred SP50 of nano silicon, the particle diameter of bamboo charcoal nano powder are 150-180nm.
The preparation method of the microbe carrier of described interpolation composite Nano auxiliary agent, comprise the steps: polyether glycol A, B, C are joined in the reactor, add the composite Nano auxiliary agent, after stirring, add water successively again, composite catalyst and composite foamable agent, reaction 20-30min makes under ultrasound condition.
Described ultrasonic power is 100-200W, and frequency is 10-12kHz.
The application of the microbe carrier of described interpolation composite Nano auxiliary agent is the wastewater treatment that the microbe carrier that will make is used for pharmaceutical industry.During processing, the pH value is 5-7, and temperature is the 20-25 degree.
Beneficial effect of the present invention is as follows:
The present invention is by adding the composite Nano auxiliary agent in organic materials, organic materials and inorganic materials are organically combined, and under the ultrasonic wave condition, react, make the composite Nano auxiliary agent be uniformly dispersed, increased the specific surface area of microbe carrier effectively, specific surface area reaches 430-440m
2/ m
3, improved processing efficiency, greatly reduced COD concentration and BOD concentration, preparation method of the present invention is simple, is easy to realize.
Embodiment
Be described further below in conjunction with the present invention of embodiment.
Embodiment 1
The microbe carrier of described interpolation composite Nano auxiliary agent, made by the raw material of following parts by weight:
65 parts of polyether glycol A;
35 parts of polyether glycol B;
23 parts of polyether glycol C;
1.2 parts of composite catalysts;
10 parts of composite foamable agents;
5 parts of composite Nano auxiliary agents;
3 parts in water;
Described polyether glycol A is initiator with propylene glycol and glycol ether, and the propylene oxide ring-opening polymerization forms, and functionality 6, number-average molecular weight are 900; The mass ratio of propylene glycol and glycol ether is 1:1;
Described polyether glycol B is initiator with sucrose and dipropylene glycol, and epoxyethane ring-expansion polymerization forms, and functionality is 4, and number-average molecular weight is 700; The mass ratio of sucrose and dipropylene glycol is 1:1;
Described polyether glycol C is initiator with glycerine, and epoxyethane ring-expansion polymerization forms, and functionality is 5, and number-average molecular weight is 800;
Described composite catalyst is the mixture of triethylene diamine, dimethyl benzylamine and dibutyl tin laurate, and the mass ratio between the three is 1:2:3;
Described composite foamable agent is 1,1,1,3,3-3-pentafluorobutane, 1,1,1,2-Tetrafluoroethane, 1,1,1,3, and 3-pentafluoropropane, 1,1,1,2,3,3, the mixture of 3-seven fluorine butane and methylene dichloride, the mass ratio between five is 1.5:3.5:4.5:3:1.
Described composite Nano auxiliary agent is the composition of nano silicon and bamboo charcoal nano powder, and both mass ratioes are 1:1, and the preferred SP50 of nano silicon, the particle diameter of bamboo charcoal nano powder are 150-180nm.
The preparation method of the microbe carrier of described interpolation composite Nano auxiliary agent comprises the steps: polyether glycol A, B, C are joined in the reactor, add the composite Nano auxiliary agent, after stirring, add water successively again, composite catalyst and composite foamable agent, reaction 30min makes under ultrasound condition, ultrasonic power is 150W, and frequency is 10kHz.
The microbe carrier specific surface area that makes is 431m
2/ m
3, density is 0.88g/m
3
Embodiment 2
The microbe carrier of described interpolation composite Nano auxiliary agent, made by the raw material of following parts by weight:
63 parts of polyether glycol A;
36 parts of polyether glycol B;
20 parts of polyether glycol C;
1.5 parts of composite catalysts;
11 parts of composite foamable agents;
8 parts of composite Nano auxiliary agents;
4 parts in water;
Described polyether glycol A is initiator with propylene glycol and glycol ether, and the propylene oxide ring-opening polymerization forms, and functionality 6, number-average molecular weight are 900; The mass ratio of propylene glycol and glycol ether is 1:1;
Described polyether glycol B is initiator with sucrose and dipropylene glycol, and epoxyethane ring-expansion polymerization forms, and functionality is 4, and number-average molecular weight is 700; The mass ratio of sucrose and dipropylene glycol is 1:1;
Described polyether glycol C is initiator with glycerine, and epoxyethane ring-expansion polymerization forms, and functionality is 5, and number-average molecular weight is 800;
Described composite catalyst is the mixture of triethylene diamine, dimethyl benzylamine and dibutyl tin laurate, and the mass ratio between the three is 2:2:3;
Described composite foamable agent is 1,1,1,3,3-3-pentafluorobutane, 1,1,1,2-Tetrafluoroethane, 1,1,1,3, and 3-pentafluoropropane, 1,1,1,2,3,3, the mixture of 3-seven fluorine butane and methylene dichloride, the mass ratio between five is 1.8:4:4.5:2.5:2.
Described composite Nano auxiliary agent is the composition of nano silicon and bamboo charcoal nano powder, and both mass ratioes are 1:1, and the preferred SP50 of nano silicon, the particle diameter of bamboo charcoal nano powder are 150-180nm.
The preparation method of the microbe carrier of described interpolation composite Nano auxiliary agent comprises the steps: polyether glycol A, B, C are joined in the reactor, add the composite Nano auxiliary agent, after stirring, add water successively again, composite catalyst and composite foamable agent, reaction 20min makes under ultrasound condition, ultrasonic power is 100W, and frequency is 12kHz.
The microbe carrier specific surface area that makes is 435m
2/ m
3, density is 0.85g/m
3
Embodiment 3
The microbe carrier of described interpolation composite Nano auxiliary agent, made by the raw material of following parts by weight:
62 parts of polyether glycol A;
40 parts of polyether glycol B;
22 parts of polyether glycol C;
1.5 parts of composite catalysts;
12 parts of composite foamable agents;
6 parts of composite Nano auxiliary agents;
4 parts in water;
Described polyether glycol A is initiator with propylene glycol and glycol ether, and the propylene oxide ring-opening polymerization forms, and functionality 6, number-average molecular weight are 900; The mass ratio of propylene glycol and glycol ether is 1:1;
Described polyether glycol B is initiator with sucrose and dipropylene glycol, and epoxyethane ring-expansion polymerization forms, and functionality is 4, and number-average molecular weight is 700; The mass ratio of sucrose and dipropylene glycol is 1:1;
Described polyether glycol C is initiator with glycerine, and epoxyethane ring-expansion polymerization forms, and functionality is 5, and number-average molecular weight is 800;
Described composite catalyst is the mixture of triethylene diamine, dimethyl benzylamine and dibutyl tin laurate, and the mass ratio between the three is 2:3:3;
Described composite foamable agent is 1,1,1,3,3-3-pentafluorobutane, 1,1,1,2-Tetrafluoroethane, 1,1,1,3, and 3-pentafluoropropane, 1,1,1,2,3,3, the mixture of 3-seven fluorine butane and methylene dichloride, the mass ratio between five is 2:3.6:4.8:2.7:1.5.
Described composite Nano auxiliary agent is the composition of nano silicon and bamboo charcoal nano powder, and both mass ratioes are 1:1, and the preferred SP50 of nano silicon, the particle diameter of bamboo charcoal nano powder are 150-180nm.
The preparation method of the microbe carrier of described interpolation composite Nano auxiliary agent comprises the steps: polyether glycol A, B, C are joined in the reactor, add the composite Nano auxiliary agent, after stirring, add water successively again, composite catalyst and composite foamable agent, reaction 25min makes under ultrasound condition, ultrasonic power is 200W, and frequency is 10kHz.
The microbe carrier specific surface area that makes is 432m
2/ m
3, density is 0.87g/m
3
Embodiment 4
The microbe carrier of described interpolation composite Nano auxiliary agent, made by the raw material of following parts by weight:
60 parts of polyether glycol A;
38 parts of polyether glycol B;
25 parts of polyether glycol C;
1.4 parts of composite catalysts;
11 parts of composite foamable agents;
5 parts of composite Nano auxiliary agents;
4 parts in water;
Described polyether glycol A is initiator with propylene glycol and glycol ether, and the propylene oxide ring-opening polymerization forms, and functionality 6, number-average molecular weight are 900; The mass ratio of propylene glycol and glycol ether is 1:1;
Described polyether glycol B is initiator with sucrose and dipropylene glycol, and epoxyethane ring-expansion polymerization forms, and functionality is 4, and number-average molecular weight is 700; The mass ratio of sucrose and dipropylene glycol is 1:1;
Described polyether glycol C is initiator with glycerine, and epoxyethane ring-expansion polymerization forms, and functionality is 5, and number-average molecular weight is 800;
Described composite catalyst is the mixture of triethylene diamine, dimethyl benzylamine and dibutyl tin laurate, and the mass ratio between the three is 1:3:2;
Described composite foamable agent is 1,1,1,3,3-3-pentafluorobutane, 1,1,1,2-Tetrafluoroethane, 1,1,1,3, and 3-pentafluoropropane, 1,1,1,2,3,3, the mixture of 3-seven fluorine butane and methylene dichloride, the mass ratio between five is 1.6:3.8:5:2.8:1.6.
Described composite Nano auxiliary agent is the composition of nano silicon and bamboo charcoal nano powder, and both mass ratioes are 1:1, and the preferred SP50 of nano silicon, the particle diameter of bamboo charcoal nano powder are 150-180nm.
The preparation method of the microbe carrier of described interpolation composite Nano auxiliary agent comprises the steps: polyether glycol A, B, C are joined in the reactor, add the composite Nano auxiliary agent, after stirring, add water successively again, composite catalyst and composite foamable agent, reaction 30min makes under ultrasound condition, ultrasonic power is 150W, and frequency is 11kHz.
The microbe carrier specific surface area that makes is 436m
2/ m
3, density is 0.88g/m
3
Embodiment 5
The microbe carrier of described interpolation composite Nano auxiliary agent, made by the raw material of following parts by weight:
65 parts of polyether glycol A;
35 parts of polyether glycol B;
23 parts of polyether glycol C;
1.2 parts of composite catalysts;
10 parts of composite foamable agents;
3 parts of composite Nano auxiliary agents;
3.5 parts in water;
Described polyether glycol A is initiator with propylene glycol and glycol ether, and the propylene oxide ring-opening polymerization forms, and functionality 6, number-average molecular weight are 900; The mass ratio of propylene glycol and glycol ether is 1:1;
Described polyether glycol B is initiator with sucrose and dipropylene glycol, and epoxyethane ring-expansion polymerization forms, and functionality is 4, and number-average molecular weight is 700; The mass ratio of sucrose and dipropylene glycol is 1:1;
Described polyether glycol C is initiator with glycerine, and epoxyethane ring-expansion polymerization forms, and functionality is 5, and number-average molecular weight is 800;
Described composite catalyst is the mixture of triethylene diamine, dimethyl benzylamine and dibutyl tin laurate, and the mass ratio between the three is 2:2:3;
Described composite foamable agent is 1,1,1,3,3-3-pentafluorobutane, 1,1,1,2-Tetrafluoroethane, 1,1,1,3, and 3-pentafluoropropane, 1,1,1,2,3,3, the mixture of 3-seven fluorine butane and methylene dichloride, the mass ratio between five is 1.6:3.8:5:2.8:1.6.
Described composite Nano auxiliary agent is the composition of nano silicon and bamboo charcoal nano powder, and both mass ratioes are 1:1, and the preferred SP50 of nano silicon, the particle diameter of bamboo charcoal nano powder are 150-180nm.
The preparation method of the microbe carrier of described interpolation composite Nano auxiliary agent comprises the steps: polyether glycol A, B, C are joined in the reactor, add the composite Nano auxiliary agent, after stirring, add water successively again, composite catalyst and composite foamable agent, reaction 20min makes under ultrasound condition, ultrasonic power is 200W, and frequency is 10kHz.
The microbe carrier specific surface area that makes is 438m
2/ m
3, density is 0.82g/m
3
Embodiment 6
The microbe carrier of described interpolation composite Nano auxiliary agent, made by the raw material of following parts by weight:
65 parts of polyether glycol A;
35 parts of polyether glycol B;
23 parts of polyether glycol C;
1.2 parts of composite catalysts;
10 parts of composite foamable agents;
3 parts of composite Nano auxiliary agents;
3 parts in water;
Described polyether glycol A is initiator with propylene glycol and glycol ether, and the propylene oxide ring-opening polymerization forms, and functionality 6, number-average molecular weight are 900; The mass ratio of propylene glycol and glycol ether is 1:1;
Described polyether glycol B is initiator with sucrose and dipropylene glycol, and epoxyethane ring-expansion polymerization forms, and functionality is 4, and number-average molecular weight is 700; The mass ratio of sucrose and dipropylene glycol is 1:1;
Described polyether glycol C is initiator with glycerine, and epoxyethane ring-expansion polymerization forms, and functionality is 5, and number-average molecular weight is 800;
Described composite catalyst is the mixture of triethylene diamine, dimethyl benzylamine and dibutyl tin laurate, and the mass ratio between the three is 1:2:3;
Described composite foamable agent is 1,1,1,3,3-3-pentafluorobutane, 1,1,1,2-Tetrafluoroethane, 1,1,1,3, and 3-pentafluoropropane, 1,1,1,2,3,3, the mixture of 3-seven fluorine butane and methylene dichloride, the mass ratio between five is 1.5:3.5:4.5:3:1.
Described composite Nano auxiliary agent is the composition of nano silicon and bamboo charcoal nano powder, and both mass ratioes are 1:1, and the preferred SP50 of nano silicon, the particle diameter of bamboo charcoal nano powder are 150-180nm.
The preparation method of the microbe carrier of described interpolation composite Nano auxiliary agent comprises the steps: polyether glycol A, B, C are joined in the reactor, add the composite Nano auxiliary agent, after stirring, add water successively again, composite catalyst and composite foamable agent, reaction 30min makes under ultrasound condition, ultrasonic power is 100W, and frequency is 12kHz.
The microbe carrier specific surface area that makes is 430m
2/ m
3, density is 0.83g/m
3
Comparative Examples 1
Described microbe carrier, made by the raw material of following parts by weight:
65 parts of polyether glycol A;
35 parts of polyether glycol B;
23 parts of polyether glycol C;
1.2 parts of composite catalysts;
10 parts of composite foamable agents;
3 parts in water;
Described polyether glycol A is initiator with propylene glycol and glycol ether, and the propylene oxide ring-opening polymerization forms, and functionality 6, number-average molecular weight are 900; The mass ratio of propylene glycol and glycol ether is 1:1;
Described polyether glycol B is initiator with sucrose and dipropylene glycol, and epoxyethane ring-expansion polymerization forms, and functionality is 4, and number-average molecular weight is 700; The mass ratio of sucrose and dipropylene glycol is 1:1;
Described polyether glycol C is initiator with glycerine, and epoxyethane ring-expansion polymerization forms, and functionality is 5, and number-average molecular weight is 800;
Described composite catalyst is the mixture of triethylene diamine, dimethyl benzylamine and dibutyl tin laurate, and the mass ratio between the three is 1:2:3;
Described composite foamable agent is 1,1,1,3,3-3-pentafluorobutane, 1,1,1,2-Tetrafluoroethane, 1,1,1,3, and 3-pentafluoropropane, 1,1,1,2,3,3, the mixture of 3-seven fluorine butane and methylene dichloride, the mass ratio between five is 1.5:3.5:4.5:3:1.
The preparation method of described microbe carrier comprises the steps: polyether glycol A, B, C are joined in the reactor, after stirring, adds water successively, composite catalyst and composite foamable agent again, and reaction 30min makes.
The microbe carrier specific surface area that makes is 350m
2/ m
3, density is 0.98g/m
3
Comparative Examples 2
The microbe carrier of described interpolation nano silicon, made by the raw material of following parts by weight:
65 parts of polyether glycol A;
35 parts of polyether glycol B;
23 parts of polyether glycol C;
1.2 parts of composite catalysts;
10 parts of composite foamable agents;
5 parts of nano silicons;
3 parts in water;
Described polyether glycol A is initiator with propylene glycol and glycol ether, and the propylene oxide ring-opening polymerization forms, and functionality 6, number-average molecular weight are 900; The mass ratio of propylene glycol and glycol ether is 1:1;
Described polyether glycol B is initiator with sucrose and dipropylene glycol, and epoxyethane ring-expansion polymerization forms, and functionality is 4, and number-average molecular weight is 700; The mass ratio of sucrose and dipropylene glycol is 1:1;
Described polyether glycol C is initiator with glycerine, and epoxyethane ring-expansion polymerization forms, and functionality is 5, and number-average molecular weight is 800;
Described composite catalyst is the mixture of triethylene diamine, dimethyl benzylamine and dibutyl tin laurate, and the mass ratio between the three is 1:2:3;
Described composite foamable agent is 1,1,1,3,3-3-pentafluorobutane, 1,1,1,2-Tetrafluoroethane, 1,1,1,3, and 3-pentafluoropropane, 1,1,1,2,3,3, the mixture of 3-seven fluorine butane and methylene dichloride, the mass ratio between five is 1.5:3.5:4.5:3:1.
The preparation method of the microbe carrier of described interpolation nano silicon comprises the steps: polyether glycol A, B, C are joined in the reactor, add nano silicon, after stirring, add water successively again, composite catalyst and composite foamable agent, reaction 30min makes under ultrasound condition, ultrasonic power is 150W, and frequency is 10kHz.
The microbe carrier specific surface area that makes is 410m
2/ m
3, density is 0.91g/m
3
Comparative Examples 3
The microbe carrier of described interpolation bamboo charcoal nano powder, made by the raw material of following parts by weight:
65 parts of polyether glycol A;
35 parts of polyether glycol B;
23 parts of polyether glycol C;
1.2 parts of composite catalysts;
10 parts of composite foamable agents;
5 parts in bamboo charcoal nano powder;
3 parts in water;
Described polyether glycol A is initiator with propylene glycol and glycol ether, and the propylene oxide ring-opening polymerization forms, and functionality 6, number-average molecular weight are 900; The mass ratio of propylene glycol and glycol ether is 1:1;
Described polyether glycol B is initiator with sucrose and dipropylene glycol, and epoxyethane ring-expansion polymerization forms, and functionality is 4, and number-average molecular weight is 700; The mass ratio of sucrose and dipropylene glycol is 1:1;
Described polyether glycol C is initiator with glycerine, and epoxyethane ring-expansion polymerization forms, and functionality is 5, and number-average molecular weight is 800;
Described composite catalyst is the mixture of triethylene diamine, dimethyl benzylamine and dibutyl tin laurate, and the mass ratio between the three is 1:2:3;
Described composite foamable agent is 1,1,1,3,3-3-pentafluorobutane, 1,1,1,2-Tetrafluoroethane, 1,1,1,3, and 3-pentafluoropropane, 1,1,1,2,3,3, the mixture of 3-seven fluorine butane and methylene dichloride, the mass ratio between five is 1.5:3.5:4.5:3:1.
The preparation method of the microbe carrier of described interpolation bamboo charcoal nano powder comprises the steps: polyether glycol A, B, C are joined in the reactor, add the bamboo charcoal nano powder, after stirring, add water successively again, composite catalyst and composite foamable agent, reaction 30min makes under ultrasound condition, ultrasonic power is 150W, and frequency is 10kHz.
The microbe carrier specific surface area that makes is 416m
2/ m
3, density is 0.9g/m
3
Comparative Examples 4
The microbe carrier of described interpolation composite Nano auxiliary agent, made by the raw material of following parts by weight:
65 parts of polyether glycol A;
35 parts of polyether glycol B;
23 parts of polyether glycol C;
1.2 parts of composite catalysts;
10 parts of composite foamable agents;
5 parts of composite Nano auxiliary agents;
3 parts in water;
Described polyether glycol A is initiator with propylene glycol and glycol ether, and the propylene oxide ring-opening polymerization forms, and functionality 6, number-average molecular weight are 900; The mass ratio of propylene glycol and glycol ether is 1:1;
Described polyether glycol B is initiator with sucrose and dipropylene glycol, and epoxyethane ring-expansion polymerization forms, and functionality is 4, and number-average molecular weight is 700; The mass ratio of sucrose and dipropylene glycol is 1:1;
Described polyether glycol C is initiator with glycerine, and epoxyethane ring-expansion polymerization forms, and functionality is 5, and number-average molecular weight is 800;
Described composite catalyst is the mixture of triethylene diamine, dimethyl benzylamine and dibutyl tin laurate, and the mass ratio between the three is 1:2:3;
Described composite foamable agent is 1,1,1,3,3-3-pentafluorobutane, 1,1,1,2-Tetrafluoroethane, 1,1,1,3, and 3-pentafluoropropane, 1,1,1,2,3,3, the mixture of 3-seven fluorine butane and methylene dichloride, the mass ratio between five is 1.5:3.5:4.5:3:1.
Described composite Nano auxiliary agent is the composition of nano silicon and bamboo charcoal nano powder, and both mass ratioes are 1:1, and the preferred SP50 of nano silicon, the particle diameter of bamboo charcoal nano powder are 150-180nm.
The preparation method of the microbe carrier of described interpolation composite Nano auxiliary agent comprises the steps: polyether glycol A, B, C are joined in the reactor, add the composite Nano auxiliary agent, after stirring, add water successively again, composite catalyst and composite foamable agent, reaction 30min makes.
The microbe carrier specific surface area that makes is 390m
2/ m
3, density is 0.92g/m
3
Comparative Examples 5
Described microbe carrier, made by the raw material of following parts by weight:
65 parts of polyether glycol A;
35 parts of polyether glycol B;
23 parts of polyether glycol C;
1.2 parts of composite catalysts;
10 parts of composite foamable agents;
3 parts in water;
Described polyether glycol A is initiator with propylene glycol and glycol ether, and the propylene oxide ring-opening polymerization forms, and functionality 6, number-average molecular weight are 900; The mass ratio of propylene glycol and glycol ether is 1:1;
Described polyether glycol B is initiator with sucrose and dipropylene glycol, and epoxyethane ring-expansion polymerization forms, and functionality is 4, and number-average molecular weight is 700; The mass ratio of sucrose and dipropylene glycol is 1:1;
Described polyether glycol C is initiator with glycerine, and epoxyethane ring-expansion polymerization forms, and functionality is 5, and number-average molecular weight is 800;
Described composite catalyst is the mixture of triethylene diamine, dimethyl benzylamine and dibutyl tin laurate, and the mass ratio between the three is 1:2:3;
Described composite foamable agent is 1,1,1,3,3-3-pentafluorobutane, 1,1,1,2-Tetrafluoroethane, 1,1,1,3, and 3-pentafluoropropane, 1,1,1,2,3,3, the mixture of 3-seven fluorine butane and methylene dichloride, the mass ratio between five is 1.5:3.5:4.5:3:1.
The preparation method of described microbe carrier comprises the steps: polyether glycol A, B, C are joined in the reactor, after stirring, add water successively again, composite catalyst and composite foamable agent, reaction 30min makes under ultrasound condition, ultrasonic power is 150W, and frequency is 10kHz.
The microbe carrier specific surface area that makes is 369m
2/ m
3, density is 0.95g/m
3
The microbe carrier that embodiment 1-6 and Comparative Examples 1-5 make is handled the terramycin pharmacy waste water, and this waste water COD concentration is 4500-6000mg/L, and BOD concentration is 800-850mg/L.
During processing, aerobic bacteria is inoculated into according to routine operation in the reactor that microbe carrier is housed, the pH value is 6 when carrying out wastewater treatment, and temperature is 25 degree.Treatment effect such as following table 1:
Table 1COD, BOD removal effect table
| Embodiment 1 | COD clearance 88.5% | BOD clearance 78.3% |
| Embodiment 2 | COD clearance 89.5% | BOD clearance 77.8% |
| Embodiment 3 | COD clearance 87.4% | BOD clearance 78.6% |
| Embodiment 4 | COD clearance 88.6% | BOD clearance 78.4% |
| Embodiment 5 | COD clearance 88.8% | BOD clearance 76.5% |
| Embodiment 6 | COD clearance 87.9% | BOD clearance 77.3% |
| Comparative Examples 1 | COD clearance 58.6% | BOD clearance 62.9% |
| Comparative Examples 2 | COD clearance 82.0% | BOD clearance 72.3% |
| Comparative Examples 3 | COD clearance 83.2% | BOD clearance 73.8% |
| Comparative Examples 4 | COD clearance 75.2% | BOD clearance 71.3% |
| Comparative Examples 5 | COD clearance 64.5% | BOD clearance 63.8% |
By above data as can be known, by interpolation composite Nano auxiliary agent in the preparation of microbe carrier, and adopt ultrasonication, increased the specific surface area of microbe carrier, increased the clearance of COD, BOD.Add the carrier that a kind of nano material obtains in Comparative Examples 2 and the Comparative Examples 3 separately, the clearance of COD and the clearance of BOD are all less than carrier of the present invention.Only add separately in the Comparative Examples 4 and only adopt ultrasonication all not reach purpose of the present invention and effect in composite Nano auxiliary agent, the Comparative Examples 5 separately.
Claims (7)
1. microbe carrier that adds the composite Nano auxiliary agent is characterized in that being made by the raw material of following parts by weight:
Polyether glycol A 60-65 part;
Polyether glycol B 35-40 part;
Polyether glycol C 20-25 part;
Composite catalyst 1.2-1.5 part;
Composite foamable agent 10-12 part;
Composite Nano auxiliary agent 3-8 part;
Water 3-4 part;
Described polyether glycol A is initiator with propylene glycol and glycol ether, and the propylene oxide ring-opening polymerization forms, and functionality 6, number-average molecular weight are 900; The mass ratio of propylene glycol and glycol ether is 1:1;
Described polyether glycol B is initiator with sucrose and dipropylene glycol, and epoxyethane ring-expansion polymerization forms, and functionality is 4, and number-average molecular weight is 700; The mass ratio of sucrose and dipropylene glycol is 1:1;
Described polyether glycol C is initiator with glycerine, and epoxyethane ring-expansion polymerization forms, and functionality is 5, and number-average molecular weight is 800;
Described composite catalyst is the mixture of triethylene diamine, dimethyl benzylamine and dibutyl tin laurate, and the mass ratio between the three is 1-2:2-3:2-3;
Described composite foamable agent is 1,1,1,3,3-3-pentafluorobutane, 1,1,1,2-Tetrafluoroethane, 1,1,1,3,3-pentafluoropropane, 1,1, the mixture of 1,2,3,3,3-, seven fluorine butane and methylene dichloride, the mass ratio between five is 1-2:3.5-4:4.5-5:2.5-3:1-2;
Described composite Nano auxiliary agent is the composition of nano silicon and bamboo charcoal nano powder, and both mass ratioes are 1:1.
2. the microbe carrier of interpolation composite Nano auxiliary agent according to claim 1, it is characterized in that: composite catalyst is the mixture of triethylene diamine, dimethyl benzylamine and dibutyl tin laurate, the mass ratio between the three is 1:2:3.
3. the microbe carrier of interpolation composite Nano auxiliary agent according to claim 1, it is characterized in that: whipping agent is 1,1,1,3,3-3-pentafluorobutane, 1,1,1,2-Tetrafluoroethane, 1,1,1,3,3-pentafluoropropane, 1,1,1,2,3, the mixture of 3,3-, seven fluorine butane and methylene dichloride, the mass ratio between five is 1.5:3.5:4.5:3:1.
4. the preparation method of the microbe carrier of the described interpolation composite Nano of claim 1 auxiliary agent, it is characterized in that comprising the steps: polyether glycol A, B, C are joined in the reactor, add the composite Nano auxiliary agent, after stirring, add water successively again, composite catalyst and composite foamable agent, reaction 20-30min makes under ultrasound condition.
5. the preparation method of the microbe carrier of interpolation composite Nano auxiliary agent according to claim 4, it is characterized in that: ultrasonic power is 100-200W, frequency is 10-12kHz.
6. the application of the microbe carrier of the described interpolation composite Nano of claim 1 auxiliary agent is characterized in that: with the microbe carrier that makes for the treatment of bio-pharmaceuticals waste water.
7. the application of the microbe carrier of interpolation composite Nano auxiliary agent according to claim 6 is characterized in that: during processing, the pH value is 5-7, and temperature is the 20-25 degree.
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| JP2010195981A (en) * | 2009-02-26 | 2010-09-09 | Achilles Corp | Polyurethane foam for carrier of microorganism immobilization |
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