CN108218281B - Method for preparing polycarboxylic acid admixture by utilizing byproducts in arbutin production - Google Patents
Method for preparing polycarboxylic acid admixture by utilizing byproducts in arbutin production Download PDFInfo
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- CN108218281B CN108218281B CN201810044272.XA CN201810044272A CN108218281B CN 108218281 B CN108218281 B CN 108218281B CN 201810044272 A CN201810044272 A CN 201810044272A CN 108218281 B CN108218281 B CN 108218281B
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- polycarboxylic acid
- admixture
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- stirring
- reaction kettle
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- BJRNKVDFDLYUGJ-RMPHRYRLSA-N hydroquinone O-beta-D-glucopyranoside Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=C(O)C=C1 BJRNKVDFDLYUGJ-RMPHRYRLSA-N 0.000 title claims abstract description 60
- 239000002253 acid Substances 0.000 title claims abstract description 48
- 239000006227 byproduct Substances 0.000 title claims abstract description 31
- 229960000271 arbutin Drugs 0.000 title claims abstract description 30
- BJRNKVDFDLYUGJ-UHFFFAOYSA-N p-hydroxyphenyl beta-D-alloside Natural products OC1C(O)C(O)C(CO)OC1OC1=CC=C(O)C=C1 BJRNKVDFDLYUGJ-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000013329 compounding Methods 0.000 claims abstract description 30
- 238000003756 stirring Methods 0.000 claims abstract description 28
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 14
- 150000001875 compounds Chemical class 0.000 claims abstract description 14
- 239000000047 product Substances 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 239000000654 additive Substances 0.000 claims abstract description 7
- 235000011121 sodium hydroxide Nutrition 0.000 claims abstract description 7
- 230000000996 additive effect Effects 0.000 claims abstract description 5
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 claims description 6
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 6
- 239000012452 mother liquor Substances 0.000 claims description 5
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 3
- 239000002211 L-ascorbic acid Substances 0.000 claims description 3
- 235000000069 L-ascorbic acid Nutrition 0.000 claims description 3
- 229930006000 Sucrose Natural products 0.000 claims description 3
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims description 3
- 229960005070 ascorbic acid Drugs 0.000 claims description 3
- 239000008103 glucose Substances 0.000 claims description 3
- 239000005720 sucrose Substances 0.000 claims description 3
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 abstract description 20
- 239000000176 sodium gluconate Substances 0.000 abstract description 20
- 235000012207 sodium gluconate Nutrition 0.000 abstract description 20
- 229940005574 sodium gluconate Drugs 0.000 abstract description 20
- 230000000979 retarding effect Effects 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000004568 cement Substances 0.000 description 25
- 239000007787 solid Substances 0.000 description 10
- 239000003638 chemical reducing agent Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012459 cleaning agent Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010413 mother solution Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
Abstract
A method for preparing polycarboxylic acid admixture compound by utilizing byproducts in arbutin production comprises the following steps: adding 800 parts of water 600-containing materials and 300 parts of polycarboxylic acid mother liquid 100-containing materials into a polycarboxylic acid admixture compounding reaction kettle, and stirring for 30-60 minutes; II, secondly: adding 5-60 parts of by-product in arbutin production into a polycarboxylic acid additive compound reaction kettle, and stirring for 30-60 minutes; thirdly, the method comprises the following steps: adding 0.1-2 parts of air entraining agent and water-retaining agent into a polycarboxylic admixture compounding reaction kettle, and stirring for 5-10 minutes; fourthly, the method comprises the following steps: adding 1-20 parts of liquid caustic soda into a polycarboxylic acid admixture compounding reaction kettle, stirring for 10-20 minutes, and adjusting the pH value to 6-7 to obtain a polycarboxylic acid admixture compounding finished product. The invention aims to replace the frequently used retarding material sodium gluconate in the compounding of polycarboxylic acid admixture by the by-product of arbutin production after technical treatment, thereby achieving the purposes of recycling the medical by-product, saving resources, protecting environment and the like.
Description
Technical Field
The invention relates to the technical field of concrete admixtures, in particular to a method for preparing a polycarboxylic acid admixture by utilizing byproducts in arbutin production.
Background
Sodium gluconate is an important chemical raw material, and has a very wide application range. Can be used as water quality stabilizer, steel surface cleaning agent, special cleaning agent for glass bottle, cement admixture, concrete admixture and the like. Concrete is a composite material made of cement, aggregate, admixture and water. Concrete is the largest quantity of all man-made materials. Three quarters of the concrete is aggregate, however the most active ingredient in concrete is cement paste. The performance of the properties of concrete depends mainly on the properties of the cement paste. Admixtures in concrete provide beneficial effects such as accelerating setting, retarding setting, allowing air bubbles to exist, reducing water consumption and increasing plasticity, etc. Often several admixtures are used simultaneously in the cement, and the various admixtures reinforce each other in some applications. The sodium gluconate can be used in concrete as an admixture and has the functions of a trace water reducing agent and a retarder in the concrete, for example, the water reducing rate of the water reducing agent can be increased, the plasticity of the water reducing agent is improved and the strength of the concrete is improved by adding a certain amount of sodium gluconate into the water reducing agent. By utilizing the retarding effect of the sodium gluconate on the cement concrete, a small amount of sodium gluconate is added into the concrete under the condition of not adding other retarders, so that the effect of retarding and pumping can be achieved, the problems that construction in hot seasons with high temperature or large-volume concrete is difficult and the like are solved, and the strength of the concrete is not influenced. The sodium gluconate is used alone or compounded with other additives to produce products such as retarding water reducer, pumping aid and the like, can improve the performance of concrete and reduce the cost, and has obvious economic effect.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a method for preparing polycarboxylic acid admixture by utilizing byproducts in arbutin production. The method aims to replace the frequently used retarding material sodium gluconate in the compounding of polycarboxylic acid additives by using byproducts in arbutin production after technical treatment, thereby achieving the purposes of recycling medical byproducts, saving resources, protecting the environment and the like.
The technical scheme adopted by the invention for solving the technical problems is as follows: the method for preparing the polycarboxylic acid admixture by using the by-product in arbutin production is provided, and the by-product in arbutin production comprises the following components in parts by weight: 5-10% of L-ascorbic acid, 10-20% of glucose, 10-20% of sucrose, 10-20% of arbutin, 0.1-0.5% of p-benzoquinone and the balance of water, wherein the method for preparing the polycarboxylic acid admixture compound comprises the following steps:
the method comprises the following steps: adding 800 parts by weight of water 600-300 parts by weight of polycarboxylic acid mother liquor 100-one into a polycarboxylic acid admixture compounding reaction kettle, and stirring for 30-60 minutes;
step two: adding 5-60 parts by weight of byproducts in arbutin production into a polycarboxylic acid additive compound reaction kettle, and stirring for 30-60 minutes;
step three: adding 0.1-2 parts by weight of air entraining agent and water-retaining agent into a polycarboxylic admixture compounding reaction kettle, and stirring for 5-10 minutes;
step four: adding 1-20 parts by weight of liquid caustic soda into a polycarboxylic acid admixture compounding reaction kettle, stirring for 10-20 minutes, and adjusting the pH value to 6-7 to obtain a polycarboxylic acid admixture compounding finished product.
The invention has the beneficial effects that: the by-products in the arbutin production are recycled, the production cost of compounding the polycarboxylic acid admixture is reduced, the resources are saved, and the environment is protected.
Drawings
FIG. 1 shows the results of the cement paste fluidity (mm) test.
Detailed Description
The first embodiment: the invention relates to a method for preparing polycarboxylic acid admixture compound by utilizing byproducts in arbutin production, which comprises the following components in parts by weight: 5-10% of L-ascorbic acid, 10-20% of glucose, 10-20% of sucrose, 10-20% of arbutin, 0.1-0.5% of p-benzoquinone and the balance of water (the same applies hereinafter), and the method for preparing the polycarboxylic acid admixture compound comprises the following steps:
the method comprises the following steps: adding 800 kilograms of water and 300 kilograms of polycarboxylic acid mother solution into a polycarboxylic acid admixture complex reaction kettle, and stirring for 30-60 minutes;
step two: adding 5-60 kg of byproducts in arbutin production into a polycarboxylic acid additive compound reaction kettle, and stirring for 30-60 minutes;
step three: adding 0.1-2 kg of air entraining agent and water-retaining agent into a polycarboxylic admixture compounding reaction kettle, and stirring for 5-10 minutes;
step four: adding 1-20 kg of liquid caustic soda into a polycarboxylic acid admixture compounding reaction kettle, stirring for 10-20 minutes, and adjusting the pH value to 6-7 to obtain a polycarboxylic acid admixture compounded finished product.
Second embodiment:
step one, adding 773 kg of water and 200 kg of polycarboxylic acid mother liquor into a polycarboxylic acid admixture compounding reaction kettle, and stirring for 30 minutes;
adding 4 kg of by-products in arbutin production (the solid content of the by-products in the arbutin production is about 50 percent and is equivalent to 10 percent of the total solid content of the added sodium gluconate) into a polycarboxylic acid additive compounding reaction kettle, adding 18 kg of sodium gluconate (the solid content of the added sodium gluconate is equivalent to 90 percent of the total solid content of the added sodium gluconate), and stirring for 30 minutes;
adding 0.5 kg of air entraining agent and water-retaining agent into a polycarboxylic admixture compounding reaction kettle, and stirring for 5 minutes;
and step four, adding 4.5 kg of liquid caustic soda into the polycarboxylic admixture compounding reaction kettle, stirring for 10 minutes, and adjusting the pH value to 6-7 to obtain 1000 kg of polycarboxylic admixture compounded finished product.
The third embodiment:
step one, adding 755 kg of water and 200 kg of polycarboxylic acid mother liquor into a polycarboxylic acid admixture compounding reaction kettle, and stirring for 30 minutes;
step two, adding 40 kg of by-products in arbutin production (the solid content of the by-products in the arbutin production is about 50 percent and is equivalent to 100 percent of the total solid dosage of the added sodium gluconate) into a polycarboxylic acid admixture compounding reaction kettle, adding 0 kg of sodium gluconate (equivalent to 0 percent of the total solid dosage of the added sodium gluconate) and stirring for 30 minutes;
adding 0.5 kg of air entraining agent and water-retaining agent into a polycarboxylic admixture compounding reaction kettle, and stirring for 5-10 minutes;
adding 4.5 kilograms of liquid caustic soda into a polycarboxylic admixture compounding reaction kettle, and stirring for 10 minutes to 20 minutes; and adjusting the pH value to 6-7 to obtain 1000 kg of polycarboxylic admixture compound finished product.
The fourth embodiment:
step one, 767 kg of water and 200 kg of polycarboxylic acid mother liquor are added into a polycarboxylic acid admixture compounding reaction kettle, and stirring is carried out for 30 minutes;
adding 16 kg of by-products in arbutin production (the solid content of the by-products in the arbutin production is about 40 percent and is equivalent to 40 percent of the total solid dosage of the added sodium gluconate) into a polycarboxylic acid admixture compounding reaction kettle, adding 12 kg of sodium gluconate (equivalent to 60 percent of the total solid dosage of the added sodium gluconate) and stirring for 30 minutes;
adding 0.5 kg of air entraining agent and water-retaining agent into a polycarboxylic admixture compounding reaction kettle, and stirring for 5-10 minutes;
adding 4.5 kilograms of liquid caustic soda into a polycarboxylic admixture compounding reaction kettle, and stirring for 10 minutes to 20 minutes; and adjusting the pH value to 6-7 to obtain 1000 kg of polycarboxylic admixture compound finished product.
The following experiments illustrate the beneficial effects of the present invention:
1. cement paste fluidity test
The fluidity of the cement paste is tested according to the relevant standard of the fluidity of the cement paste in GB/T8077-2012 'homogeneity test method for concrete admixture'.
Two main types of cement commonly used in the Guangdong market, namely P. O42.5R grade cement of Guangdong Huarun and conch cement company, are selected, and the self-made polycarboxylic acid admixture compound finished product is used according to the first, second, third and fourth embodiments, and the cement fluidity test (unit: mm) and the cement static slurry setting time (unit: h) test are respectively carried out on 300 g of cement, 87 g of water and 5.4 g (1.8 percent of mixing amount) of polycarboxylic acid admixture compound finished product by using the cement as shown in the figure 1.
As can be seen from FIG. 1, in the prepared polycarboxylic acid admixture, the loss of the fluidity of the cement paste is less after the byproduct in the production of pure arbutin is added for 1 hour than the loss of the fluidity of the cement paste after the byproduct in the production of the first group is added with 90% of sodium gluconate and 10% of the byproduct in the production of arbutin, which indicates that the second group has excellent retarding effect on the fluidity of the cement paste. The loss of the fluidity of the cement static slurry of the second group and the third group is close to that of the cement static slurry of the first group, the loss is obviously better than that of the cement static slurry of the first group, the second group is optimal, and the similar effect is generated by both the Huarun cement and the conch cement.
The data show that the application prospect of the by-product in arbutin production in the compounding of the polycarboxylic acid admixture is wide, and the by-product in arbutin production can partially or even completely replace sodium gluconate which is a retarding material frequently used in the polycarboxylic acid admixture after technical treatment, so that the aims of recycling the medical by-product, saving resources, protecting the environment and the like are fulfilled.
Claims (1)
1. A method for preparing polycarboxylic acid admixture compound by utilizing byproducts in arbutin production is characterized by comprising the following steps: the byproduct components in arbutin production and the weight ratio are as follows: 5-10% of L-ascorbic acid, 10-20% of glucose, 10-20% of sucrose, 10-20% of arbutin, 0.1-0.5% of p-benzoquinone and the balance of water, wherein the method for preparing the polycarboxylic acid admixture compound comprises the following steps:
the method comprises the following steps: adding 800 parts by weight of water 600-300 parts by weight of polycarboxylic acid mother liquor 100-one into a polycarboxylic acid admixture compounding reaction kettle, and stirring for 30-60 minutes;
step two: adding 5-60 parts by weight of byproducts in arbutin production into a polycarboxylic acid additive compound reaction kettle, and stirring for 30-60 minutes;
step three: adding 0.1-2 parts by weight of air entraining agent and water-retaining agent into a polycarboxylic admixture compounding reaction kettle, and stirring for 5-10 minutes;
step four: adding 1-20 parts by weight of liquid caustic soda into a polycarboxylic acid admixture compounding reaction kettle, stirring for 10-20 minutes, and adjusting the pH value to 6-7 to obtain a polycarboxylic acid admixture compounding finished product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810044272.XA CN108218281B (en) | 2018-03-02 | 2018-03-02 | Method for preparing polycarboxylic acid admixture by utilizing byproducts in arbutin production |
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| CN201810044272.XA CN108218281B (en) | 2018-03-02 | 2018-03-02 | Method for preparing polycarboxylic acid admixture by utilizing byproducts in arbutin production |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101215116A (en) * | 2007-12-27 | 2008-07-09 | 同济大学 | Retardation setting type polycarboxylic acids series water reducing agent |
| CN101891414A (en) * | 2010-07-07 | 2010-11-24 | 广东省长大公路工程有限公司 | Polycarboxylic acid type special additive for lightweight aggregate concrete |
| CN101921448A (en) * | 2010-08-20 | 2010-12-22 | 江苏特密斯混凝土外加剂有限公司 | Method for compounding polycarboxylic acid with different molecular structures |
| CN105859176B (en) * | 2016-04-05 | 2018-01-05 | 广东乐尔康生物科技股份有限公司 | The method that waste liquid production early strong concrete water reducer is prepared using ursin |
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Denomination of invention: Method for preparing polycarboxylate admixture complex using by-products from arbutin production Effective date of registration: 20231124 Granted publication date: 20210330 Pledgee: Jieyang Branch of Guangdong Nanyue Bank Co.,Ltd. Pledgor: GUANGDONG LUCKERKONG BIOTECH CO.,LTD. Registration number: Y2023980067460 |
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