A treatment preparation for in-situ remediation of river water bodies and a preparation method and application thereof

Abstract

The application discloses a treatment preparation for in-situ repair of river water bodies and a preparation method and application thereof, and the treatment preparation comprises the following components in parts by weight: 5-10 parts of composite microorganisms, 10-20 parts of inulin, 60-80 parts of resistant dextrin, 20-40 parts of oligoisomaltooligosaccharide, 10-20 parts of activated carbon, 10-20 parts of attapulgite and 5-10 parts of calcium peroxide; each part of the composite microorganisms comprises 10-20 parts of Rhodopseudomonas palustris, 5-10 parts of Trichoderma harzianum, 4-8 parts of Bacillus subtilis and 4-8 parts of denitrifying bacteria; the treatment preparation can remove particulate matters, organic matters, ammonia nitrogen and phosphorus in the river water bodies and can realize rapid repair of the river water bodies through selection of raw materials and limitation of core-shell structures.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of river water treatment, in particular to a treatment preparation for in-situ remediation of river water, and a preparation method and application thereof. BACKGROUND

[0002] In recent years, due to the rapid development of social economy, the country is facing four most urgent water problems of water environment, water resources, water ecology and water disasters. They are prominently manifested as composite water pollution, and its transfer in the river basin and lake, comprehensive water resource shortage and drinking water safety problem. At the present stage, river basin water pollution is becoming a bottleneck restricting the development of the country, and needs to be solved by taking comprehensive measures.

[0003] Due to improper and unreasonable activities of human beings, the natural self-repairing and self-purifying ability of rivers, lakes and seas is exceeded, and artificial intervention is necessary to remove the pollution source and restore the original benign water ecological environment.

[0004] In view of this, the present application is proposed. SUMMARY

[0005] The present application aims to provide a treatment preparation for in-situ remediation of river water, and a preparation method and application thereof. The treatment preparation can remove suspended solids, organic matter, ammonia nitrogen and phosphorus in river water, and can realize rapid remediation of river water.

[0006] In order to achieve the above-mentioned purpose of the present application, the following technical scheme is adopted:

[0007] The present application provides a treatment preparation for in-situ remediation of river water, characterized in that the treatment preparation comprises the following components by weight:

[0008] 5-10 parts of composite microorganisms, 10-20 parts of inulin, 60-80 parts of resistant dextrin, 20-40 parts of isomaltooligosaccharide, 10-20 parts of activated carbon, 10-20 parts of attapulgite and 5-10 parts of calcium peroxide;

[0009] Each part of the composite microorganisms comprises 10-20 parts of methanomicrobium palustre, 5-10 parts of Trichoderma harzianum, 4-8 parts of Bacillus subtilis and 4-8 parts of denitrifying bacteria.

[0010] Preferably, the treatment preparation comprises the following components by weight:

[0011] 6-8 parts of composite microorganisms, 14-18 parts of inulin, 65-75 parts of resistant dextrin, 25-35 parts of isomaltooligosaccharide, 14-16 parts of activated carbon, 14-16 parts of attapulgite and 6-8 parts of calcium peroxide;

[0012] Each of the complex microorganisms comprises 12-18 parts of Rhodopseudomonas palustris, 6-8 parts of Trichoderma harzianum, 6-8 parts of Bacillus subtilis, and 4-6 parts of denitrifying bacteria.

[0013] Preferably, the treatment preparation comprises the following components by weight:

[0014] 7 parts of complex microorganisms, 16 parts of inulin, 70 parts of resistant dextrin, 30 parts of isomalto-oligosaccharide, 15 parts of activated carbon, 15 parts of attapulgite, and 7 parts of calcium peroxide;

[0015] Each of the complex microorganisms comprises 15 parts of Rhodopseudomonas palustris, 7 parts of Trichoderma harzianum, 6 parts of Bacillus subtilis, and 5 parts of denitrifying bacteria.

[0016] The second aspect of the present application provides a preparation method of the above-mentioned treatment preparation for in-situ remediation of river water bodies, which comprises the following steps:

[0017] (a) weighing each raw material according to the weight parts;

[0018] (b) mixing the complex microorganisms, inulin, isomalto-oligosaccharide, activated carbon, and part of the resistant dextrin, granulating to obtain mixed granules;

[0019] (c) mixing the remaining resistant dextrin, calcium peroxide, and attapulgite to obtain a mixture, placing the mixture and the mixed granules in a rolling granulator, and granulating with the mixed granules as the core, and drying to obtain the treatment preparation for in-situ remediation of river water bodies.

[0020] Preferably, in the step (b), the part of the resistant dextrin is 0.3-0.5 times the total amount of the resistant dextrin.

[0021] Preferably, in the step (b), the particle size of the mixed granules is 0.3-0.8 cm.

[0022] The third aspect of the present application provides an application of the above-mentioned treatment preparation for river water bodies in in-situ remediation of river water bodies.

[0023] The fourth aspect of the present application provides an in-situ remediation method of river water bodies, which comprises the following steps:

[0024] The above-mentioned treatment preparation for in-situ remediation of river water bodies is applied in the river water bodies at intervals.

[0025] Preferably, the amount of the treatment preparation for in-situ remediation of river water bodies applied at each time is 30-50 g / m 2 .

[0026] Preferably, the treatment preparation for river water body in-situ remediation is spacedly applied for 4-10 days, and the application frequency is 3-8 times per month.

[0027] Compared with the prior art, the beneficial effects of the present application at least include:

[0028] The treatment preparation has a core-shell structure, the inner core is composed of microorganisms, inulin, activated carbon, oligoisomaltose and resistant dextrin, the activated carbon, inulin, oligoisomaltose and resistant dextrin can be used as a carrier of the microorganisms and provide nutrients, improve the adaptability of the microorganisms, and thus improve the survival rate of the microorganisms, at the same time, the activated carbon can adsorb organic matter, ammonia nitrogen and other substances in the water body, which is beneficial to the absorption and utilization of the planted microorganisms, and improves the water body remediation effect; the shell is composed of resistant dextrin, calcium peroxide and attapulgite, the attapulgite adsorbs organic matter and other substances, which is beneficial to the oxidative decomposition of the calcium peroxide to the substances, at the same time, improves the oxygen content in the water body, and achieves the effect of rapid purification of the water body; the treatment preparation prepared by the technical scheme can quickly and efficiently repair the river water body.

[0029] The types of microorganisms in the treatment preparation can quickly consume the pollutants in the water body, at the same time, promote the growth of aquatic plants, combine to purify, accelerate the water body remediation effect and continuously improve the water quality of the water body. DETAILED DESCRIPTION

[0030] The embodiments of the technical scheme of the present application will be described in detail below with reference to the examples. The following examples are only used to more clearly illustrate the technical scheme of the present application, and therefore only serve as examples, but cannot limit the protection scope of the present application.

[0031] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in the present application should be understood as the usual meanings understood by the skilled in the art to which the present application belongs.

[0032] The raw materials used in the following examples are as follows:

[0033] Rheinella palustris, with a preservation number of CGMCC NO.22804;

[0034] Trichoderma harzianum, purchased from Sichuan Huanxu Biotechnology Co., Ltd.;

[0035] Bacillus subtilis: purchased from Shanghai Gandu Environmental Engineering Co., Ltd.;

[0036] Denitrifying bacteria: purchased from Aladdin Environmental Technology (Suzhou) Co., Ltd.

[0037] Example 1

[0038] The embodiment is a treatment preparation for in-situ remediation of river water body, which comprises the following components by weight:

[0039] The composite microorganism 5 parts, the inulin 10 parts, the resistant dextrin 80 parts, the isomalto-oligosaccharide 20 parts, the activated carbon 20 parts, the attapulgite 10 parts and the calcium peroxide 10 parts.

[0040] Each part of the composite microorganism comprises the Rhodopseudomonas palustris 10 parts, the Trichoderma harzianum 5 parts, the Bacillus subtilis 4 parts and the denitrifying bacteria 8 parts.

[0041] The preparation method of the treatment preparation for in-situ remediation of river water body comprises the following steps:

[0042] (a) weighing each raw material according to the weight parts;

[0043] (b) mixing the composite microorganism, the inulin, the isomalto-oligosaccharide, the activated carbon and part of the resistant dextrin, granulating to obtain mixed granules, wherein the part of the resistant dextrin is 0.3 times of the total amount of the resistant dextrin; the particle size of the mixed granules is 0.3-0.5 cm;

[0044] (c) mixing the remaining resistant dextrin, the calcium peroxide and the attapulgite to obtain a mixture, placing the mixture and the mixed granules in a rolling granulator to granulate with the mixed granules as the core, and drying, to obtain the treatment preparation for in-situ remediation of river water body.

[0045] Embodiment 2

[0046] The embodiment is a treatment preparation for in-situ remediation of river water body, which comprises the following components by weight:

[0047] The composite microorganism 10 parts, the inulin 20 parts, the resistant dextrin 60 parts, the isomalto-oligosaccharide 40 parts, the activated carbon 10 parts, the attapulgite 20 parts and the calcium peroxide 5 parts.

[0048] Each part of the composite microorganism comprises the Rhodopseudomonas palustris 20 parts, the Trichoderma harzianum 10 parts, the Bacillus subtilis 8 parts and the denitrifying bacteria 4 parts.

[0049] The preparation method of the treatment preparation for in-situ remediation of river water body comprises the following steps:

[0050] (a) weighing each raw material according to the weight parts;

[0051] (b) mixing the composite microorganism, the inulin, the isomalto-oligosaccharide, the activated carbon and part of the resistant dextrin, granulating to obtain mixed granules, wherein the part of the resistant dextrin is 0.3 times of the total amount of the resistant dextrin; the particle size of the mixed granules is 0.3-0.5 cm;

[0052] (c) mixing the remaining resistant dextrin, calcium peroxide and attapulgite to obtain a mixture, and placing the mixture and the mixed particles in a roller granulator to granulate with the mixed particles as cores, and drying, to obtain the treatment preparation for river water in-situ remediation.

[0053] Example 3

[0054] The present example is a treatment preparation for river water in-situ remediation, which comprises the following components by weight:

[0055] 6 parts of composite microorganisms, 18 parts of inulin, 65 parts of resistant dextrin, 35 parts of isomaltooligosaccharide, 16 parts of activated carbon, 14 parts of attapulgite and 6 parts of calcium peroxide;

[0056] Each part of the composite microorganisms comprises 12 parts of Rhodopseudomonas palustris, 8 parts of Trichoderma harzianum, 6 parts of Bacillus subtilis and 4 parts of denitrifying bacteria.

[0057] The above preparation method of the treatment preparation for river water in-situ remediation comprises the following steps:

[0058] (a) weighing each raw material according to the weight parts;

[0059] (b) mixing the composite microorganisms, inulin, isomaltooligosaccharide, activated carbon and part of the resistant dextrin to obtain mixed particles, wherein the part of the resistant dextrin is 0.4 times the total amount of the resistant dextrin; the particle size of the mixed particles is 0.4-0.6 cm;

[0060] (c) mixing the remaining resistant dextrin, calcium peroxide and attapulgite to obtain a mixture, and placing the mixture and the mixed particles in a roller granulator to granulate with the mixed particles as cores, and drying, to obtain the treatment preparation for river water in-situ remediation.

[0061] Example 4

[0062] The present example is a treatment preparation for river water in-situ remediation, which comprises the following components by weight:

[0063] 8 parts of composite microorganisms, 14 parts of inulin, 75 parts of resistant dextrin, 25 parts of isomaltooligosaccharide, 14 parts of activated carbon, 16 parts of attapulgite and 8 parts of calcium peroxide;

[0064] Each part of the composite microorganisms comprises 18 parts of Rhodopseudomonas palustris, 6 parts of Trichoderma harzianum, 8 parts of Bacillus subtilis and 6 parts of denitrifying bacteria.

[0065] The above preparation method of the treatment preparation for river water in-situ remediation comprises the following steps:

[0066] (a) Each raw material is weighed according to the weight parts;

[0067] (b) The composite microorganism, inulin, isomaltooligosaccharide, activated carbon, and part of resistant dextrin are mixed and granulated to obtain mixed granules, wherein the part of resistant dextrin is 0.4 times the total amount of resistant dextrin; the particle size of the mixed granules is 0.4-0.6 cm;

[0068] (c) The remaining resistant dextrin, calcium peroxide, and attapulgite are uniformly mixed to obtain a mixture, and the mixture and the mixed granules are placed in a rolling granulator to granulate with the mixed granules as the core, and then dried to obtain the treatment preparation for river water in-situ remediation.

[0069] Example 5

[0070] The present embodiment is a treatment preparation for river water in-situ remediation, which comprises the following components by weight parts:

[0071] 7 parts of composite microorganism, 16 parts of inulin, 70 parts of resistant dextrin, 30 parts of isomaltooligosaccharide, 15 parts of activated carbon, 15 parts of attapulgite, and 7 parts of calcium peroxide;

[0072] Each part of the composite microorganism comprises 15 parts of Rhodopseudomonas palustris, 7 parts of Trichoderma harzianum, 6 parts of Bacillus subtilis, and 5 parts of denitrifying bacteria.

[0073] The above preparation method of the treatment preparation for river water in-situ remediation comprises the following steps:

[0074] (a) Each raw material is weighed according to the weight parts;

[0075] (b) The composite microorganism, inulin, isomaltooligosaccharide, activated carbon, and part of resistant dextrin are mixed and granulated to obtain mixed granules, wherein the part of resistant dextrin is 0.4 times the total amount of resistant dextrin; the particle size of the mixed granules is 0.4-0.6 cm;

[0076] (c) The remaining resistant dextrin, calcium peroxide, and attapulgite are uniformly mixed to obtain a mixture, and the mixture and the mixed granules are placed in a rolling granulator to granulate with the mixed granules as the core, and then dried to obtain the treatment preparation for river water in-situ remediation.

[0077] Example 6

[0078] The present embodiment is a river water in-situ remediation method, which comprises the following steps:

[0079] The above treatment preparation for river water in-situ remediation of Example 3 is intermittently applied in the river water body, and the application amount of the treatment preparation for river water in-situ remediation is 50 g / m 2, the interval time is 10 days, and the number of spraying times per month is 3.

[0080] Example 7

[0081] The embodiment is a river water in-situ remediation method, which comprises the following steps:

[0082] The treatment preparation for river water in-situ remediation in the above embodiment 4 is sprayed in the river water at intervals, and the spraying amount of the treatment preparation for river water in-situ remediation is 30 g / m 2 , the interval time is 4 days, and the number of spraying times per month is 8.

[0083] Example 8

[0084] The embodiment is a river water in-situ remediation method, which comprises the following steps:

[0085] The treatment preparation for river water in-situ remediation in the above embodiment 5 is sprayed in the river water at intervals, and the spraying amount of the treatment preparation for river water in-situ remediation is 40 g / m 2 , the interval time is 5 days, and the number of spraying times per month is 6.

[0086] Comparative Example 1

[0087] The comparative example is a treatment preparation for river water in-situ remediation, which comprises the following components by weight:

[0088] 7 parts of complex microorganisms, 16 parts of inulin, 28 parts of resistant dextrin, 30 parts of oligoisomalto sugar and 15 parts of activated carbon;

[0089] Each part of the complex microorganisms comprises 15 parts of methanomicrobium palustre, 7 parts of Trichoderma harzianum, 6 parts of Bacillus subtilis and 5 parts of denitrifying bacteria.

[0090] The preparation method of the above treatment preparation for river water in-situ remediation comprises the following steps:

[0091] (a) weighing each raw material according to the weight parts;

[0092] (b) mixing the complex microorganisms, inulin, oligoisomalto sugar, activated carbon and resistant dextrin, granulating to obtain mixed granules, and the treatment preparation for river water in-situ remediation is obtained; wherein the particle size of the mixed granules is 0.4-0.6 cm.

[0093] Comparative Example 2

[0094] The comparative example is a treatment preparation for river water in-situ remediation, which comprises the following components by weight:

[0095] Compound microorganism 7 parts, inulin 16 parts, resistant dextrin 70 parts, isomaltooligosaccharide 30 parts, activated carbon 15 parts, attapulgite 15 parts and calcium peroxide 7 parts;

[0096] Each part of the compound microorganism comprises 15 parts of methanomicrobium palustre, 6 parts of bacillus subtilis and 5 parts of denitrifying bacteria.

[0097] The preparation method of the treatment preparation for in-situ remediation of river water bodies comprises the following steps:

[0098] (a) weighing each raw material according to parts by weight;

[0099] (b) mixing the compound microorganism, inulin, isomaltooligosaccharide, activated carbon and part of the resistant dextrin, granulating to obtain mixed granules, wherein the part of the resistant dextrin is 0.4 times the total amount of the resistant dextrin; the particle size of the mixed granules is 0.4-0.6 cm;

[0100] (c) mixing the remaining resistant dextrin, calcium peroxide and attapulgite uniformly to obtain a mixture, placing the mixture and the mixed granules in a rolling granulator, granulating with the mixed granules as the core, and drying to obtain the treatment preparation for in-situ remediation of river water bodies.

[0101] Experimental example

[0102] Taking a river pollution water body for testing;

[0103] The river pollution water body was divided into three parts, and the treatment preparations of Example 5 and Comparative Examples 1-2 were used for treatment, and the addition amount of the treatment preparation was 500 g / m 3 After 10 days of treatment, the water indicators after treatment were detected, three repetitions were calculated, and the average value of the detection results was calculated, and the results are shown in Table 1;

[0104] Table 1

[0105] Group COD Mn ]] TN TP [COD] Before treatment 9.36 4.21 3.03 2.37 Example 5 1.28 1.95 0.31 0.64 Comparative Example 1 3.86 3.27 1.58 1.29 Comparative Example 2 2.71 3.06 1.32 0.97

[0106] From Table 1, it can be seen that:

[0107] The treatment preparations prepared by the examples and comparative examples of the present application can repair the river water body, and compared with the comparative examples, the treatment preparation prepared by the examples of the present application has better repair effect.

[0108] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the description of the present application.

Claims

1. A treatment formulation for in-situ remediation of riverine water bodies, characterized in that, The processing preparation comprises the following components by weight: 5-10 parts of complex microorganism, 10-20 parts of inulin, 60-80 parts of resistant dextrin, 20-40 parts of isomalto-oligosaccharide, 10-20 parts of activated carbon, 10-20 parts of attapulgite and 5-10 parts of calcium peroxide; Each part of the complex microorganism comprises 10-20 parts of Rhodopseudomonas palustris, 5-10 parts of Trichoderma harzianum, 4-8 parts of Bacillus subtilis and 4-8 parts of denitrifying bacteria; The preparation method of the processing preparation for in-situ remediation of river water body comprises the following steps: (a) weighing each raw material according to weight; (b) mixing the complex microorganism, inulin, isomalto-oligosaccharide, activated carbon and part of the resistant dextrin, granulating to obtain mixed granules; (c) mixing the remaining resistant dextrin, calcium peroxide and attapulgite to obtain a mixture, and placing the mixture and the mixed granules in a rolling granulator to granulate with the mixed granules as the core, and drying to obtain the processing preparation for in-situ remediation of river water body.

2. The treatment agent for in-situ remediation of a river water body according to claim 1, characterized by, The processing preparation comprises the following components by weight: 6-8 parts of complex microorganism, 14-18 parts of inulin, 65-75 parts of resistant dextrin, 25-35 parts of isomalto-oligosaccharide, 14-16 parts of activated carbon, 14-16 parts of attapulgite and 6-8 parts of calcium peroxide; Each part of the complex microorganism comprises 12-18 parts of Rhodopseudomonas palustris, 6-8 parts of Trichoderma harzianum, 6-8 parts of Bacillus subtilis and 4-6 parts of denitrifying bacteria.

3. The treatment agent for in-situ remediation of river water bodies according to claim 1, characterized by, The processing preparation comprises the following components by weight: 7 parts of complex microorganism, 16 parts of inulin, 70 parts of resistant dextrin, 30 parts of isomalto-oligosaccharide, 15 parts of activated carbon, 15 parts of attapulgite and 7 parts of calcium peroxide; Each part of the complex microorganism comprises 15 parts of Rhodopseudomonas palustris, 7 parts of Trichoderma harzianum, 6 parts of Bacillus subtilis and 5 parts of denitrifying bacteria.

4. The treatment agent for in-situ remediation of river water bodies according to claim 1, characterized by, In the step (b), the part of the resistant dextrin is 0.3-0.5 times of the total amount of the resistant dextrin.

5. The treatment formulation for in-situ remediation of river water bodies according to claim 1, wherein, In the step (b), the particle size of the mixed granules is 0.3-0.8 cm.

6. The processing preparation for in-situ remediation of river water body according to any one of claims 1-3 is applied to in-situ remediation of river water body.

7. A method for in-situ remediation of a riverine water body, characterized by, The method comprises the following steps: The processing preparation for in-situ remediation of river water body according to any one of claims 1-3 is applied to in-situ remediation of river water body.

8. The method of claim 7, wherein the river water body in-situ remediation method is characterized by, The processing preparation for river water body in-situ repair is 30~50g / m 2 .

9. The method of claim 7, wherein the river water body in-situ restoration method is characterized by, The interval of applying the processing preparation for in-situ remediation of river water body is 4-10 days, and the number of applying per month is 3-8 times.