CN104556429A - Water treatment medicament composition and application thereof - Google Patents
Water treatment medicament composition and application thereof Download PDFInfo
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- CN104556429A CN104556429A CN201310507084.3A CN201310507084A CN104556429A CN 104556429 A CN104556429 A CN 104556429A CN 201310507084 A CN201310507084 A CN 201310507084A CN 104556429 A CN104556429 A CN 104556429A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/12—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing nitrogen
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/342—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes used
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Abstract
The invention discloses a water treatment medicament composition. The water treatment medicament composition contains amino acid, aminoglycoside antibiotics and enzyme, wherein amino acid has effects of scale inhibition and corrosion inhibition, the aminoglycoside antibiotics have a bactericidal effect, and enzyme is cooperative with amino acid and antibiotics and has a synergistic effect. The invention also discloses application of the water treatment medicament composition in water treatment. A performance evaluation result of the water treatment medicament composition shows that the scale inhibiting ratio of calcium carbonate inhibition performance is more than 99%, the corrosion rate of a dynamic simulation experiment is 0.025mm/a, and the number of heterotrophic bacteria in 72h at least can reach 2.1*10<2> per ml. The water treatment medicament composition does not contain phosphorus and is low in dosage, strong in scale inhibition performance, good in corrosion inhibition performance, excellent in sterilizing effect and long in time of duration.
Description
Technical field
The present invention relates to a kind of water treatment agent composition, and the application of said composition in water treatment procedure.
Background technology
Along with the fast development of world economy, global water resources shortage and water pollution issue are gravely put in face of people.Domestic city process water accounts for about 80% of town water total amount, and the consumption of industrial colling accounts for 2/3 of process water, cooling water amount proportion in petroleum and petrochemical industry is larger, accounts for the 80%-90% of service water water consumption, and it is very necessary for therefore saving industrial colling.Not only Appropriate application water treatment agent improves the cycles of concentration of recirculated water, solves the energy problem of energy-saving and water-saving but also solves the environmental issue reducing blowdown, emission compliance.
At present, conventional dirt dispersion agent mainly contains poly-phosphate, organic phosphonate, polycarboxylate and natural dispersive agent; Conventional inhibiter comprises inorganic metal corrosion inhibitor (as chromic salt, zinc salt, molybdate and tungstate etc.), inorganic phosphate corrosion inhibitor (as tripoly phosphate sodium STPP and Sodium hexametaphosphate 99 etc.) and organic inhibitor (as organic phospho acid, organic amine and organic carboxyl acid etc.); Conventional sterilant includes chlorine agent, quaternary ammonium salt medicament, bromine class medicament and organonitrogen sulphur class medicament etc.But along with the progress of society and the enhancing of people's environmental consciousness, phosphorus pollutes to have caused to be paid close attention to widely.For type of organophosphonic acides corrosion inhibiting and descaling agent conventional both at home and abroad at present, phosphorus discharge will cause the nutrient laden of water proximate and may cause " red tide ".In some countries such as American-European, Japanese, propose and prohibited phosphorus measure, as Germany requires phosphorus discharge≤1mgL
-1.Therefore, the application of the without phosphorus water treatment agent developing direction that will be water treatment field from now on.
CN102674571A discloses a kind of method suppressing fouling in water-based system, and wherein Scale inhibitors is made up of aminoacid alkylphosphonic acid.Amino acid moiety can be represented by α group amino acid or the amino acid species at least between carboxyl and amido with two or more carbon atoms.But such Scale inhibitors is except aminoacid alkylphosphonic acid Scale inhibitors, polyphosphonic acid also can play the effect suppressing fouling.
US5478476A discloses the two phosphonomethyl amino group acid of a kind of N-and is controlling the application in industrial technology water in calcium carbonate scaling.Specific compound is the two phosphonomethyl amino group acid of N-, comprises N, the two (phosphonomethyl)-Pidolidone of N-, the two (phosphonomethyl)-Serine of N, N-and N, N, N ', N '-bis-(phosphonomethyl)-1B.This Methionin with on amino radical with the material of a (phosphonomethyl) for representative.Above two inventions all belong to phosphorous medicament, when Environmental require more and more higher, this product can progressively can by without phosphorus medicament substitute, and invent be only limitted to scale effect, inhibition and germicidal action can not be played.
The inhibiter of US6238621B1 invention is by least one (a) amino acid or (b) its salt, and at least one aryl triazoles compound forms.The inhibiter of the type has obvious corrosion inhibition in the aqueous solution of pH6-12, but does not have scale inhibitor sterilization effect concurrently.
US4936994A invents several enzyme used in combination, especially cellulase, α-amylase and proteolytic enzyme, containing 2 parts of cellulases, 1 part of amylase and l part proteolytic enzyme in prozyme.Consumption is at least 80ppm and processes waste water, foundry loam on internal surface is cleared up and makes internal surface maintenance without the method for foundry loam state.The consumption of its enzyme is at least 80ppm, and consumption is higher, exist enzyme be converted to into nutritive substance may, cause secondary pollution.
Summary of the invention
An object of the present invention is to provide a kind of new water treatment agent composition, be used for this water treatment agent composition can obtaining in water treatment procedure the effect of good scale inhibition, inhibition and sterilization.
Another object of the present invention is to provide the application of above-mentioned water treatment agent composition in water treatment procedure.
For achieving the above object, the invention provides a kind of water treatment agent composition, wherein, said composition contains amino acid, aminoglycoside antibiotics and enzyme.
Present invention also offers the application of above-mentioned water treatment agent composition in water treatment procedure.
According to water treatment agent composition of the present invention, by by amino acid, aminoglycoside antibiotics and enzyme with the use of, make said composition can obtain good sterilization, inhibition and scale inhibition effect when being applied to water treatment procedure, particularly, scale inhibition performance is higher, erosion rate is less, sterilizing ability is comparatively strong and the sterilization time length is longer.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides a kind of water treatment agent composition, said composition contains amino acid, aminoglycoside antibiotics and enzyme.
According to water treatment agent composition of the present invention, wherein, described amino acid, aminoglycoside antibiotics and enzyme are coordinated and just can be applied in water treatment, reach the effect of good scale inhibition, inhibition and sterilization, but under preferable case, the proportioning of said composition is, relative to the described amino acid of 100 weight parts, the content of described aminoglycoside antibiotics is 1-30 weight part, and the content of described enzyme is 10-120 weight part.More preferably in situation, relative to the described amino acid of 100 weight parts, the content of described aminoglycoside antibiotics is 2.5-25 weight part, and the content of described enzyme is 20-90 weight part.
According to water treatment agent composition of the present invention, wherein, described amino acid has scale inhibition and corrosion inhibition, mainly owing to having basic amine group and acidic carboxypolymer two kinds of groups in amino acid molecular, utilize these two kinds of groups in amino acid molecular to form complex compound with metal ion in aqueous, thus reduce Ca in the aqueous solution
2+and the content of other metal ions.Amino acid has certain cohesion and dissemination simultaneously, can make crystallization that lattice occurs in process of growth and distort, make the dirty layer generated be soft dirt, easily washed away by water.In amino acid molecular, S, N there are lone-pair electron and Fe unoccupied orbital form surface complexes and are adsorbed onto metallic surface in addition, define the adsorption film of one deck densification thus effectively stop corrosion of metal, greatly reducing corrosion of metal speed.Therefore, described in composition of the present invention, amino acid is not particularly limited, can be those skilled in the art known amino acid whose one or more, in the preferred case, described amino acid is glycine, L-Ala, α-amino-isovaleric acid, leucine, Isoleucine, aspartic acid, L-glutamic acid, arginine, ornithine, Methionin, Serine, Threonine, halfcystine, Gelucystine, methionine(Met), phenylalanine, tyrosine, Histidine, tryptophane, at least one in proline(Pro) and oxyproline, be more preferably glycine, L-Ala, aspartic acid, arginine, at least one in Threonine and halfcystine.
According to water treatment agent composition of the present invention, wherein, described aminoglycoside antibiotics by suppress or destroy bacteria cell wall synthesis, interact with cytolemma, object that the approach such as the synthesis of interferencing protein reaches sterilization.Therefore, described in composition of the present invention, aminoglycoside antibiotics is not particularly limited, as long as the aminoglycoside antibiotics well known in the art for having above-mentioned bactericidal property.In the preferred case, described aminoglycoside antibiotics is at least one in Streptomycin sulphate, gentamicin, kantlex, tobramycin, Amikacin Sulphate, Liu Suanyan NEOMYCIN SULPHATE, ribostamycin, micronomicin and A Si mycin, is more preferably at least one in Streptomycin sulphate, gentamicin and kantlex.
According to water treatment agent composition of the present invention, wherein, described enzyme can use with amino acid and microbiotic are collaborative, to strengthen the effect of scale inhibition, inhibition and sterilization.Therefore, described in composition of the present invention, enzyme is not particularly limited, use as long as can work in coordination with amino acid and microbiotic, scale inhibition, inhibition and germicidal action during enhancing water treatment, in the preferred case, described enzyme is at least one in cellulase, N,O-Diacetylmuramidase, lipase, protease, amylase, polysaccharidase and chitinase, is more preferably at least one in cellulase, N,O-Diacetylmuramidase and amylase.
A preferred embodiment of the invention, described water treatment agent composition is not phosphorous, and namely described water treatment agent composition does not comprise conventional phosphorus family corrosion inhibitor and/or phosphorus system corrosion inhibiting and descaling agent yet.In this preferred implementation, described amino acid has the effect of scale inhibition and inhibition, described enzyme and described amino acid work in coordination with the effect that use can strengthen again scale inhibition and inhibition, therefore, this water treatment agent composition not only can obtain good scale inhibition and corrosion inhibition, but also avoids traditional water treatment agent and use the medicine containing phosphoric to cause the defect of environmental pollution as anti-incrustation corrosion inhibitor in a large number.
In the present invention, described water treatment agent composition can also contain water.Water-content in described water treatment agent composition can be determined according to the concentration of the water treatment agent of routine.When described water treatment agent composition contains water, described water treatment agent composition preferably exists in form of an aqueous solutions, the concentration of this aqueous solution can be the practical application concentration of the water treatment agent in water treatment procedure, also can be the concentration denseer than practical application concentration, and be diluted in actual application and apply concentration accordingly.
Present invention also offers the application of above-mentioned water treatment agent composition in water treatment procedure.
In above-mentioned application process, described water treatment agent composition can be applied in water treatment with various effective concentration, under preferable case, relative in pending water, described amino acid whose effective concentration is 2-20mg/L, the effective concentration of described aminoglycoside antibiotics is 0.1-2mg/L, and the effective concentration of described enzyme is 0.2-15mg/L.Under preferable case, relative in pending water, described amino acid whose effective concentration is 4-15mg/L, and the effective concentration of described aminoglycoside antibiotics is 0.2-1.2mg/L, and the effective concentration of described enzyme is 1-6mg/L.Due to this water treatment agent composition each active principle between synergistic effect, make in pending water, the effective concentration of each effective constituent is all relatively low.
In above-mentioned application process, the water that described water treatment agent composition is applicable to processing can be the industrial circulating cooling water of various routine, Ca wherein
2+hardness and basicity sum can be below 1000mg/L, such as 200-1000mg/L, and now pH value is in the scope of 7-10.
The invention will be further described by the following examples.
In the following Examples and Comparative Examples, hinder calcium carbonate scale performance test, rotary hanging plate corrosion test, heterotrophic bacterium number determination test and dynamic analog test to measure according to following methods respectively:
(1) calcium carbonate scale performance test is hindered
Resistance calcium carbonate scale performance test is the scale-inhibiting properties measuring water treatment agent composition of the present invention according to the method for GB/T16632-2008 " mensuration-tosca method of water conditioner scale-inhibiting properties ".
Detailed process is as follows:
To Ca
2+concentration is 600mg/L, and basicity is add medicament in the test water of 600mg/L, then in 80 ± 1 DEG C of water bath with thermostatic control inside holding 10h, remains Ca after cooling in sampling analysis water
2+concentration, make blank sample simultaneously, and calculate scale inhibition performance.
Scale inhibition performance calculation formula is:
C: actual measurement Ca
2+concentration
C
0: the Ca of blank sample
2+concentration
(2) rotary hanging plate corrosion test
Rotary hanging plate corrosion test is the corrosion inhibition measuring water treatment agent composition of the present invention according to the method for GB/T18175-2000 " mensuration-rotary hanging plate method of water conditioner corrosion inhibition ".Detailed process is as follows:
The test piece of 20# qualitative carbon steel be fixed on lacing film instrument, put into the test water being added with medicament, steady temperature 40 ± 1 DEG C, keep rotating speed 75rpm to rotate 72 hours, the weight of test piece before and after record test, calculates average corrosion rate.
Average corrosion rate calculation formula is:
C: computational constant, during with mm/a (millimeter/year) for unit, C=8.76 × 10
7
△ W: the corrosion weight loss (g) of test specimen
A: the area (cm of test specimen
2)
T: corrosion test time (h)
ρ: the density (kg/m of material for test
3)
(3) heterotrophic bacterium number determination test
Heterotrophic bacterium number determination test is the bactericidal property measuring water treatment agent composition of the present invention according to the method for HG/T4027-2011 " industrial cooling circulating water heterotrophic bacterium Counting alive microbial-plate count ".
Detailed process is as follows:
Water treatment agent is joined in test water and (need the sodium hydroxide of use 2% mass concentration of adjust ph to be adjusted to and specify numerical value), do heterotrophism Counting alive microbial every 1h, 4h, 8h, 24h, 48h, 72h sampling, make blank's sample simultaneously.
Heterotrophic bacterium measuring method is as follows: get test water 1, adopts former water 10 times of dilution technologies, test water is diluted to suitable multiple, and is inoculated in culture dish by the water sample of corresponding extension rate in sterilisable chamber.Then aseptic culture medium being poured in culture dish, mix with water sample, cultivating 72 ± 4h etc. being inverted after culture medium solidifying to be placed in the incubator of 29 ± 1 DEG C.After cultivation, take out culture dish, select those culture dish with 30-300 bacterium colony to count, colony number is multiplied by the heterotrophic bacterium number that corresponding dilution training number is this water sample.
(4) dynamic analog test
Dynamic analog test measures the effect of water treatment agent composition of the present invention for the water treatment at simulation loop water scene according to the method for HG/T2160-2008 " dynamic analogue test of cooling water method ".Detailed process is as follows:
In order to simulation loop water field condition, carry out dynamic analog test.With year erosion rate B (mm/a) and adhesion speed mcm (mg/cm
3) evaluate, concrete calculation formula is as follows:
Year erosion rate calculating formula is:
K：3.65ⅹ10
6
G: the quality (g) reduced after test tube corrosion
T: the time (d) of test run
A: test tube corroded area (cm
2)
D: density metal (g/cm
3)
Adhere to rate calculations formula:
G
1: the quality (mg) after developmental tube test
G
2: developmental tube removes the quality (mg) of dirt
A: the area (cm of developmental tube internal surface
2)
T: test period (d)
The water quality parameter of the test water used in above-mentioned process of the test is as shown in table 1.
Table 1
| Test water | Test water 1 | Test water 2 | Test water 3 | Test former water 1 |
| Ca 2+(with CaCO 3Meter) (mg/L) | 200 | 450 | 850 | 110 |
| Basicity is (with CaCO 3Meter) (mg/L) | 200 | 450 | 150 | 150 |
Embodiment 1
The present embodiment is for illustration of described water treatment agent composition provided by the invention.
The preparation of water treatment agent: at room temperature, by 12.0g cellulase (purchased from Shanghai Aladdin reagent company limited), 25.0g glycine (purchased from Aladdin bio tech ltd, Xi'an) and 2.0g Streptomycin sulphate (purchased from Shanghai Aladdin reagent company limited) are dissolved in deionized water, stir, be mixed with 100g water treatment agent A1.
Embodiment 2
The present embodiment is for illustration of described water treatment agent composition provided by the invention.
The preparation of water treatment agent: at room temperature, by 15.0g N,O-Diacetylmuramidase (purchased from Shanghai Aladdin reagent company limited), 28.0g aspartic acid (purchased from Aladdin bio tech ltd, Xi'an) and 2.0g gentamicin (purchased from Shanghai Aladdin reagent company limited), be dissolved in deionized water, stir, be mixed with 100g water treatment agent A2.
Embodiment 3
The present embodiment is for illustration of described water treatment agent composition provided by the invention.
The preparation of water treatment agent: at room temperature, by 18.0g amylase (purchased from Shanghai Aladdin reagent company limited), 28.0g arginine (purchased from Aladdin bio tech ltd, Xi'an) and 2.0g kantlex (purchased from Shanghai Aladdin reagent company limited), be dissolved in deionized water, stir, be mixed with 100g water treatment agent A3.
Embodiment 4
The present embodiment is for illustration of described water treatment agent composition provided by the invention.
The preparation of water treatment agent: at room temperature, by 3.5g N,O-Diacetylmuramidase (purchased from Shanghai Aladdin reagent company limited), 7.5g chitinase (purchased from Shanghai Aladdin reagent company limited), 18.0g halfcystine (purchased from Aladdin bio tech ltd, Xi'an), 15.0g Threonine (purchased from Aladdin bio tech ltd, Xi'an) and 3.4g tobramycin (purchased from Shanghai Aladdin reagent company limited), be dissolved in deionized water, stir, be mixed with 100g water treatment agent A4.
Embodiment 5
The present embodiment is for illustration of described water treatment agent composition provided by the invention.
The preparation of water treatment agent: at room temperature, by 5.0g cellulase (purchased from Shanghai Aladdin reagent company limited), 5.0g N,O-Diacetylmuramidase (purchased from Shanghai Aladdin reagent company limited), 22.0g L-Ala (purchased from Aladdin bio tech ltd, Xi'an), 22.0g glycine (purchased from Aladdin bio tech ltd, Xi'an) and 1.5g Amikacin Sulphate (purchased from Shanghai Aladdin reagent company limited), be dissolved in deionized water, stir, be mixed with 100g water treatment agent A5.
Embodiment 6
The present embodiment is for illustration of described water treatment agent composition provided by the invention.
The preparation of water treatment agent: at room temperature, by 2.5g polysaccharidase (purchased from Shanghai Aladdin reagent company limited), 3.5g protease (purchased from Shanghai Aladdin reagent company limited), 6.0g α-amino-isovaleric acid (purchased from Aladdin bio tech ltd, Xi'an), 7.5g ornithine (purchased from Aladdin bio tech ltd, Xi'an) and 3.1g Liu Suanyan NEOMYCIN SULPHATE (purchased from Shanghai Aladdin reagent company limited), be dissolved in deionized water, stir, be mixed with 100g water treatment agent A6.
Embodiment 7
The present embodiment is for illustration of described water treatment agent composition provided by the invention.
The preparation of water treatment agent: at room temperature, by 3.0g lipase (purchased from Shanghai Aladdin reagent company limited), 5.0g protease (purchased from Shanghai Aladdin reagent company limited), 30g leucine (purchased from Aladdin bio tech ltd, Xi'an), 30g Methionin (purchased from Aladdin bio tech ltd, Xi'an) and 1.7g Liu Suanyan NEOMYCIN SULPHATE (purchased from Shanghai Aladdin reagent company limited), be dissolved in deionized water, stir, be mixed with 100g water treatment agent A7.
Embodiment 8
The present embodiment is for illustration of described water treatment agent composition provided by the invention.
The preparation of water treatment agent: at room temperature, by 7.5g N,O-Diacetylmuramidase (purchased from Shanghai Aladdin reagent company limited), 5.5g polysaccharidase (purchased from Shanghai Aladdin reagent company limited), 3.5g leucine (purchased from Aladdin bio tech ltd, Xi'an), 8.0g Serine (purchased from Aladdin bio tech ltd, Xi'an), 3.5g Gelucystine (purchased from Aladdin bio tech ltd, Xi'an) and 2.3g ribostamycin (purchased from Shanghai Aladdin reagent company limited), be dissolved in deionized water, stir, be mixed with 100g water treatment agent A8.
Embodiment 9
The present embodiment is for illustration of described water treatment agent composition provided by the invention.
The preparation of water treatment agent: at room temperature, by 2.0g cellulase (purchased from Shanghai Aladdin reagent company limited), 2.0g lipase (purchased from Shanghai Aladdin reagent company limited), 5.0g aspartic acid (purchased from Aladdin bio tech ltd, Xi'an), 5.0g phenylalanine (purchased from Aladdin bio tech ltd, Xi'an), 5.0g Histidine (purchased from Aladdin bio tech ltd, Xi'an) and 1.8g micronomicin (purchased from Shanghai Aladdin reagent company limited), be dissolved in deionized water, stir, be mixed with 100g water treatment agent A9.
Embodiment 10
The present embodiment is for illustration of described water treatment agent composition provided by the invention.
The preparation of water treatment agent: at room temperature, by 13.3g cellulase (purchased from Shanghai Aladdin reagent company limited), 13.3g amylase (purchased from Shanghai Aladdin reagent company limited), 13.3g protease (purchased from Shanghai Aladdin reagent company limited), 6.7g L-Ala (purchased from Aladdin bio tech ltd, Xi'an), 6.7g L-glutamic acid (purchased from Aladdin bio tech ltd, Xi'an), 6.7g Gelucystine (purchased from Aladdin bio tech ltd, Xi'an) and 1.7g tobramycin (purchased from Shanghai Aladdin reagent company limited), be dissolved in deionized water, stir, be mixed with 100g water treatment agent A10.
Embodiment 11
The present embodiment is for illustration of described water treatment agent composition provided by the invention.
The preparation of water treatment agent: at room temperature, by 7.5g N,O-Diacetylmuramidase (purchased from Shanghai Aladdin reagent company limited), 1.5g amylase (purchased from Shanghai Aladdin reagent company limited), 4.6g lipase (purchased from Shanghai Aladdin reagent company limited), 12.0g arginine (purchased from Aladdin bio tech ltd, Xi'an), 8.0g tyrosine (purchased from Aladdin bio tech ltd, Xi'an), 12.0g oxyproline (purchased from Aladdin bio tech ltd, Xi'an) and 0.9g A Si mycin (purchased from Shanghai Aladdin reagent company limited), be dissolved in deionized water, stir, be mixed with 100g water treatment agent A11.
Embodiment 12
The present embodiment is for illustration of described water treatment agent composition provided by the invention.
The preparation of water treatment agent: at room temperature, by 1.5g protease (purchased from Shanghai Aladdin reagent company limited), 2.5g cellulase (purchased from Shanghai Aladdin reagent company limited), 1.5g amylase (purchased from Shanghai Aladdin reagent company limited), 7.5g Threonine (purchased from Aladdin bio tech ltd, Xi'an), 7.5g tryptophane (purchased from Aladdin bio tech ltd, Xi'an), 7.5g proline(Pro) (purchased from Aladdin bio tech ltd, Xi'an), 4.0g gentamicin (purchased from Shanghai Aladdin reagent company limited) and 1.0g Streptomycin sulphate (purchased from Shanghai Aladdin reagent company limited), be dissolved in deionized water, stir, be mixed with 100g water treatment agent A12.
Embodiment 13
The present embodiment is for illustration of described water treatment agent composition provided by the invention.
The preparation of water treatment agent: at room temperature, by 1.1g cellulase (purchased from Shanghai Aladdin reagent company limited), 1.1g N,O-Diacetylmuramidase (purchased from Shanghai Aladdin reagent company limited), 22.0g L-Ala (purchased from Aladdin bio tech ltd, Xi'an), 22.0g glycine (purchased from Aladdin bio tech ltd, Xi'an) and 1.5g Amikacin Sulphate (purchased from Shanghai Aladdin reagent company limited), be dissolved in deionized water, stir, be mixed with 100g water treatment agent A13.
Embodiment 14
The present embodiment is for illustration of described water treatment agent composition provided by the invention.
The preparation of water treatment agent: at room temperature, by 5.0g cellulase (purchased from Shanghai Aladdin reagent company limited), 5.0g N,O-Diacetylmuramidase (purchased from Shanghai Aladdin reagent company limited), 2.0g L-Ala (purchased from Aladdin bio tech ltd, Xi'an), 2.0g glycine (purchased from Aladdin bio tech ltd, Xi'an) and 1.5g Amikacin Sulphate (purchased from Shanghai Aladdin reagent company limited), be dissolved in deionized water, stir, be mixed with 100g water treatment agent A14.
Comparative example 1
Method according to embodiment 1 prepares water treatment agent, and difference is, does not add cellulase, thus obtained water treatment agent B1.
Comparative example 2
Method according to embodiment 2 prepares water treatment agent, and difference is, does not add N,O-Diacetylmuramidase, thus obtained water treatment agent B2.
Comparative example 3
Method according to embodiment 3 prepares water treatment agent, and difference is, does not add arginine, thus obtained water treatment agent B3.
Comparative example 4
Method according to embodiment 4 prepares water treatment agent, and difference is, does not add halfcystine and Threonine, thus obtained water treatment agent B4.
Comparative example 5
Method according to embodiment 5 prepares water treatment agent, and difference is, does not add cellulase and N,O-Diacetylmuramidase, thus obtained water treatment agent B5.
Comparative example 6
Method according to embodiment 5 prepares water treatment agent, and difference is, does not add cellulase, N,O-Diacetylmuramidase and Amikacin Sulphate, thus obtained water treatment agent B6.
Comparative example 7
Method according to embodiment 8 prepares water treatment agent, and difference is, does not add N,O-Diacetylmuramidase, polysaccharidase and ribostamycin, thus obtained water treatment agent B7.
Comparative example 8
Prepare water treatment agent according to embodiment 9 method, difference is, does not add micronomicin, thus obtained water treatment agent B8.
Comparative example 9
Method according to embodiment 11 prepares water treatment agent, and difference is, does not add N,O-Diacetylmuramidase, amylase and lipase, thus obtained water treatment agent B9.
Comparative example 10
Method according to embodiment 12 prepares water treatment agent, and difference is, does not add gentamicin and Streptomycin sulphate, thus obtained water treatment agent B10.
Test case 1
This test case is for illustration of the scale inhibition of water treatment agent provided by the invention, inhibition and bactericidal property.
Water treatment agent A1-A14 in above-described embodiment and the B1-B10 in comparative example is put into test water 1,2 and 3 respectively and carries out rotary hanging plate corrosion test, and carry out the test of resistance calcium carbonate scale Performance Detection, wherein, relative to often liter of test water, the dosage of described water treatment agent is 30mg, and test-results is as shown in table 3.
Water treatment agent A1-A14 in above-described embodiment and the B1-B10 in comparative example is put in test water 1 respectively, wherein, relative to often liter of test water, the dosage of described water treatment agent is 30mg, the insulation can of 29 ± 1 DEG C is put into after shaking up, sampling analysis heterotrophic bacterium number in required time, analytical results is in table 4.
More than in test, the effective concentration of each component of water treatment agent used is shown in Table 2.
Carry out the test of static state resistance calcium carbonate scale, rotary hanging plate corrosion test and bactericidal assay by the above-mentioned concentration that adds, resistance calcium carbonate scale rate and corrosion speed are in table 3, and after bactericidal assay, the heterotrophic bacterium number of test water remnants is in table 4.
Table 2
The scale inhibitor effect of table 3 water treatment agent
Table 4 heterotrophism Counting alive microbial
Note: starter bacteria number is 1.5 × 10
6individual/ml.
Data as can be seen from table 3,4, water treatment agent composition of the present invention has resistance calcium carbonate scale performance, corrosion inhibition and sterilizing ability preferably, and its sterilization time length is longer, is a kind of without phosphorus water treatment agent of excellent performance.
In table 3,4, by the data of the resistance carbonic acid of embodiment medicament A1-A14 and comparative example medicament B1-B10 dirt rate, carbon steel coupon erosion rate and heterotrophic bacterium number are compared and can find out, in described water treatment agent composition of the present invention, the successful of the scale inhibition after amino acid, aminoglycoside antibiotics and enzyme are composite, inhibition and sterilization is better than that amino acid is used alone, enzyme is used alone with amino acid and the composite use of microbiotic, and the effect of amino acid and the composite use of enzyme.
Test case 2
This test case is for illustration of the water treatmenting performance of water treatment agent provided by the invention at simulation loop water scene.
The controling parameters of this test is as follows:
Test water quality: test former water 1
Quantity of circulating water: 360t/h
Con trolling index: Ca
2+hardness and basicity are (all with CaCO
3meter) sum is less than 1000mg/L
Flow velocity: 1.0m/s
Medicament: the water treatment agent of embodiment 5
Temperature in: 32 ± 1 DEG C of temperature difference: 10 DEG C
Dynamic analog test test piece and test tube the results are shown in Table 5.
The test piece of table 5 dynamic analog test and test tube result
Specify in standard GB/T 50050-95 " Code for design of industrial recirculating cooling water treatment " 3.1.6, the corrosion speed of the carbon steel tube wall of open type system is less than or equal to 0.125mm/a; In " water coolant analysis and the test method " of production department of China PetroChemical Corporation and development division establishment, " the small-sized experimental analogic method of testing laboratory " specifies that the corrosion speed of carbon steel is " very well " level between 0 ~ 0.028mm/a, being " good " level between 0.028 ~ 0.056mm/a, is " can allow " level at 0.056 ~ 0.070mm/a; Adhesion speed is " very well " level at 0 ~ 6mcm, and being " good " level at 6 ~ 15mcm, is " can allow " level at 15 ~ 20mcm.
As can be seen here, described composite water treatment medicament composition of the present invention is applied in water treatment procedure erosion rate and the adhesion speed that glassware for drinking water after treatment can be made to have higher standard.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out arbitrary combination between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. a water treatment agent composition, is characterized in that, said composition contains amino acid, aminoglycoside antibiotics and enzyme.
2. composition according to claim 1, wherein, relative to the described amino acid of 100 weight parts, the content of described aminoglycoside antibiotics is 1-30 weight part, and the content of described enzyme is 10-120 weight part.
3. composition according to claim 2, wherein, relative to the described amino acid of 100 weight parts, the content of described aminoglycoside antibiotics is 2.5-25 weight part, and the content of described enzyme is 20-90 weight part.
4. according to the composition in claim 1-3 described in any one, wherein, described amino acid is at least one in glycine, L-Ala, α-amino-isovaleric acid, leucine, Isoleucine, aspartic acid, L-glutamic acid, arginine, ornithine, Methionin, Serine, Threonine, halfcystine, Gelucystine, methionine(Met), phenylalanine, tyrosine, Histidine, tryptophane, proline(Pro) and oxyproline, is preferably at least one in glycine, L-Ala, aspartic acid, arginine, Threonine and halfcystine.
5. according to the composition in claim 1-3 described in any one, wherein, described aminoglycoside antibiotics is at least one in Streptomycin sulphate, gentamicin, kantlex, tobramycin, Amikacin Sulphate, Liu Suanyan NEOMYCIN SULPHATE, ribostamycin, micronomicin and A Si mycin, is preferably at least one in Streptomycin sulphate, gentamicin and kantlex.
6. according to the composition in claim 1-3 described in any one, wherein, described enzyme is at least one in cellulase, N,O-Diacetylmuramidase, lipase, protease, amylase, polysaccharidase and chitinase, is preferably at least one in cellulase, N,O-Diacetylmuramidase and amylase.
7. according to the composition in claim 1-3 described in any one, wherein, described composition is not phosphorous.
8. the application of water treatment agent composition in water treatment procedure in claim 1-7 described in any one.
9. application according to claim 8, wherein, relative to pending water, described amino acid whose effective concentration is 2-20mg/L, and the effective concentration of described aminoglycoside antibiotics is 0.1-2mg/L, and the effective concentration of described enzyme is 0.2-15mg/L.
10. application according to claim 9, wherein, relative to pending water, described amino acid whose effective concentration is 4-15mg/L, and the effective concentration of described aminoglycoside antibiotics is 0.2-1.2mg/L, and the effective concentration of described enzyme is 1-6mg/L.
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| CN106860467A (en) * | 2017-01-22 | 2017-06-20 | 河南师范大学 | Aspartic acid as neomycinsulphate synergist application |
| CN108928903A (en) * | 2018-08-03 | 2018-12-04 | 中碳能源(山东)有限公司 | A kind of flocculant and its in application of the calcining petroleum coke in original sub-block technique |
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| CN114424777B (en) * | 2020-09-22 | 2023-04-18 | 中国石油化工股份有限公司 | Modified lysozyme preparation and preparation method and application thereof |
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