CN106380558A - Naphthalene sulfonic acid dye intermediate waste liquid modified superplasticizer - Google Patents
Naphthalene sulfonic acid dye intermediate waste liquid modified superplasticizer Download PDFInfo
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- CN106380558A CN106380558A CN201610726748.9A CN201610726748A CN106380558A CN 106380558 A CN106380558 A CN 106380558A CN 201610726748 A CN201610726748 A CN 201610726748A CN 106380558 A CN106380558 A CN 106380558A
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- waste liquid
- naphthalene sulfonic
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- dyestuff intermediate
- reactor
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
- C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/16—Sulfur-containing compounds
- C04B24/20—Sulfonated aromatic compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/28—Chemically modified polycondensates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
-
- 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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Ceramic Engineering (AREA)
- Water Supply & Treatment (AREA)
- Structural Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The invention relates to the technical field of water reducer production, in particular to a naphthalene sulfonic acid dye intermediate waste liquid modified superplasticizer. The superplasticizer is composed of the following raw materials by weight: 120-150 parts of crude sodium sulfanilate, 80-100 parts of formaldehyde, 300-450 parts of alpha-naphthol industrial waste liquid, 20-30 parts of sodium sulfite, 50-80 parts of naphthalene sulfonic acid dye intermediate pretreatment waste liquid, 5-30 parts of a PH regulator, and 50-150 parts of water. According to the invention, the naphthalene sulfonic acid dye intermediate waste liquid is utilized to prepare high value-added water reducer, waste materials are utilized, also the convenient and economical naphthalene sulfonic acid dye intermediate waste liquid modified superplasticizer can be obtained. Therefore, the naphthalene sulfonic acid dye intermediate waste liquid modified superplasticizer has broad application prospects.
Description
Technical field
The present invention relates to water reducer production technical field is and in particular to a kind of waste liquid modified height of naphthalene sulfonic dyestuff intermediate
Effect water reducer.
Background technology
The waste water that dyestuff intermediate production process produces, difficulty of governance is very big, is wherein especially produced with naphthalene series dye intermediate
The difficulty of governance of waste water is very.Naphthalene series dye intermediate product include naphthylamines class, aphthols, naphthalene sulfonic acids class, naphthylamine sulfonic acid class,
Croceine acid class, hydroxy amino naphthalene sulfonic acids class and naphthalene-carboxylic acid class, naphthalene series dye intermediate is with naphthalene as raw material, through a series of
The dyestuff intermediate that organic synthesis unit process (as sulfonation, nitrification, reduction, amination, hydrolysis etc.) is obtained.This kind of intermediate has
Naphthalene nucleus, contains the substituent such as amino, hydroxyl, sulfonic group on naphthalene nucleus.
Water reducer be a kind of under conditions of keeping concrete flowability essentially identical, the additional of mixing water amount can be reduced
Agent, is the concrete admixture studied at present and be most widely used.Incorporation water reducer can improve and newly mix in use
The workability of concrete, mobility, and the intensity of concrete can be improved, extend the service life of concrete component, therefore diminishing
Agent is indispensable a kind of additive in concrete.Existing amido sulfoacid series high-efficiency water reducer production cost in the market
Higher, easy bleeding, realistic scale is low.
Content of the invention
For the deficiencies in the prior art, the invention provides a kind of slump-loss and bleeding are little, product workability is good
The waste liquid modified high efficiency water reducing agent of naphthalene sulfonic dyestuff intermediate.
For realizing object above, the present invention is achieved by the following technical programs：
A kind of waste liquid modified high efficiency water reducing agent of naphthalene sulfonic dyestuff intermediate, is made up of the raw material of following parts by weight：Slightly
Sodium sulfanilate 120-150 part processed, formaldehyde 80-100 part, alpha-Naphthol industrial wastes 300-450 part, sodium sulfite 20-30
Part, naphthalene sulfonic dyestuff intermediate pre-processes waste liquid 50-80 part, PH conditioning agent 5-30 part, water 50-150 part.
Further, the described waste liquid modified high efficiency water reducing agent of naphthalene sulfonic dyestuff intermediate, by following parts by weight
Raw material forms：Rough sodium sulfanilate 120-130 part, formaldehyde 80-90 part, alpha-Naphthol industrial wastes 300-400 part, sulfurous
Sour sodium 20-25 part, naphthalene sulfonic dyestuff intermediate pre-processes waste liquid 50-60 part, PH conditioning agent 5-10 part, water 50-100 part.
Further, the described waste liquid modified high efficiency water reducing agent of naphthalene sulfonic dyestuff intermediate, by following parts by weight
Raw material forms：Rough sodium sulfanilate 130-150 part, formaldehyde 90-100 part, alpha-Naphthol industrial wastes 400-450 part is sub-
Sodium sulphate 25-30 part, naphthalene sulfonic dyestuff intermediate pre-processes waste liquid 60-80 part, PH conditioning agent 10-30 part, water 100-150
Part.
Further, the preprocess method of described naphthalene sulfonic dyestuff intermediate waste liquid is：After collecting waste liquid, use extraction
Separate organic phase and aqueous phase；Retain organic phase, carry out back extraction with sodium hydroxide solution, obtain final product naphthalene sulfonic dyestuff intermediate and give up
The pretreatment fluid of liquid.
A kind of preparation method of the waste liquid modified high efficiency water reducing agent of naphthalene sulfonic dyestuff intermediate, comprises the steps：
(1) dissolving, filtration：To in reactor add water, then put into respectively rough sodium sulfanilate, sodium sulfite and
Alpha-Naphthol industrial wastes, reactor is warming up to 85-95 DEG C, heats while stirring no less than 1 hour；
(2) addition：It is slowly added to PH conditioning agent, regulation solution PH to 7.5-8.5 in reactor；
(3) polycondensation：Reactor is warming up to 90-95 DEG C, slowly drips formalin thereto, make formaldehyde little in 1.5-2
When interior drip off, insulation be no less than 2 hours；
(4) copolymerization：To in reactor add naphthalene sulfonic dyestuff intermediate waste liquid, keep solution temperature 78-88 DEG C it
Between react 1-2 hour, water use regulation solid content, get product.
Further, the volume of described water reducer is the 1.1-1.4wt% of cement weight.
Beneficial effects of the present invention are：
(1) it is used rough sodium sulfanilate and alpha-Naphthol industrial wastes as reaction raw materials, contribute to economizing on resources
With reduction cost of material, effectively improve the problem that amido sulfoacid series high-efficiency water reducer cost is excessive and practical application is difficult.
(2) it is grafted on water reducer polymer molecular chain using naphthalene sulfonic dyestuff intermediate is waste liquid modified, can either locate
Manage the dye intermediate wastewater of refractory reason, realize reusing of waste liquid, it can be made again to be grafted on water reducer polymer molecule,
Improve the sterically hindered of water reducer, and then improve its dispersibility and water-reducing rate, to reduce the slump-loss of concrete and to secrete
It is aqueous that so that product workability is good, the present invention prepares the water reducer of high added value using naphthalene sulfonic dyestuff intermediate waste liquid,
Both enabled twice laid, a kind of convenience, the economic waste liquid modified high efficiency water reducing agent of naphthalene sulfonic dyestuff intermediate can have been obtained again,
Have broad application prospects.
(3) three-waste free discharge in preparation process, safety and environmental protection；Reaction time is short, and preparation method is simply efficient.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the enforcement of the present invention
Example, is clearly and completely described to the technical scheme in the embodiment of the present invention.Based on the embodiment in the present invention, this area
The every other embodiment that those of ordinary skill is obtained under the premise of not making creative work, broadly falls into present invention protection
Scope.
Embodiment 1：
A kind of waste liquid modified high efficiency water reducing agent of naphthalene sulfonic dyestuff intermediate, is made up of the raw material of following parts by weight：Slightly
150 parts of sodium sulfanilate processed, 90 parts of formaldehyde, 300 parts of alpha-Naphthol industrial wastes, 25 parts of sodium sulfite, naphthalene sulfonic dyestuff
Intermediate pre-processes 80 parts of waste liquid, 5 parts of PH conditioning agent, 100 parts of water.
Its preparation method, comprises the steps：
(1) waste liquid pretreatment：After collecting waste liquid, with extraction separation organic phase and aqueous phase；Retain organic phase, use hydroxide
Sodium solution carries out back extraction, obtains final product the pretreatment fluid of naphthalene sulfonic dyestuff intermediate waste liquid；
(2) dissolving, filtration：To in reactor add water, then put into respectively rough sodium sulfanilate, sodium sulfite and
Alpha-Naphthol industrial wastes, reactor is warming up to 85-95 DEG C, heats while stirring 2 hours；
(3) addition：It is slowly added to PH conditioning agent, regulation solution PH to 7.5-8.5 in reactor；
(4) polycondensation：Reactor is warming up to 90-95 DEG C, slowly drips formalin thereto, make formaldehyde at 1.5 hours
Inside drip off, be incubated 2 hours；
(5) copolymerization：Add naphthalene sulfonic dyestuff intermediate waste liquid in reactor, keep solution temperature anti-at 80 DEG C about
Answer 2 hours, water use regulation solid content, get product.
During use, this water reducer is added using with the volume accounting for cement weight 1.2wt%.
Embodiment 2：
A kind of waste liquid modified high efficiency water reducing agent of naphthalene sulfonic dyestuff intermediate, is made up of the raw material of following parts by weight：Slightly
120 parts of sodium sulfanilate processed, 80 parts of formaldehyde, 450 parts of alpha-Naphthol industrial wastes, 20 parts of sodium sulfite, naphthalene sulfonic dyestuff
Intermediate pre-processes 50 parts of waste liquid, 30 parts of PH conditioning agent, 50 parts of water.
Its preparation method, comprises the steps：
(1) waste liquid pretreatment：After collecting waste liquid, with extraction separation organic phase and aqueous phase；Retain organic phase, use hydroxide
Sodium solution carries out back extraction, obtains final product the pretreatment fluid of naphthalene sulfonic dyestuff intermediate waste liquid；
(2) dissolving, filtration：To in reactor add water, then put into respectively rough sodium sulfanilate, sodium sulfite and
Alpha-Naphthol industrial wastes, reactor is warming up to 85-95 DEG C, heats while stirring 1.5 hours；
(3) addition：It is slowly added to PH conditioning agent, regulation solution PH to 7.5-8.5 in reactor；
(4) polycondensation：Reactor is warming up to 90-95 DEG C, slowly drips formalin thereto, make formaldehyde in 2 hours
Drip off, be incubated 3 hours；
(5) copolymerization：To in reactor add naphthalene sulfonic dyestuff intermediate waste liquid, keep solution temperature 78-88 DEG C it
Between react 1.5 hours, water use regulation solid content, get product.
During use, this water reducer is added using with the volume accounting for cement weight 1.1wt%.
Embodiment 3：
A kind of waste liquid modified high efficiency water reducing agent of naphthalene sulfonic dyestuff intermediate, is made up of the raw material of following parts by weight：Slightly
130 parts of sodium sulfanilate processed, 90 parts of formaldehyde, 400 parts of alpha-Naphthol industrial wastes, 30 parts of sodium sulfite, naphthalene sulfonic dyestuff
Intermediate pre-processes 60 parts of waste liquid, 10 parts of PH conditioning agent, 150 parts of water.
Its preparation method, comprises the steps：
(1) waste liquid pretreatment：After collecting waste liquid, with extraction separation organic phase and aqueous phase；Retain organic phase, use hydroxide
Sodium solution carries out back extraction, obtains final product the pretreatment fluid of naphthalene sulfonic dyestuff intermediate waste liquid；
(2) dissolving, filtration：To in reactor add water, then put into respectively rough sodium sulfanilate, sodium sulfite and
Alpha-Naphthol industrial wastes, reactor is warming up to 85-95 DEG C, heats while stirring 1 hour；
(3) addition：It is slowly added to PH conditioning agent, regulation solution PH to 7.5-8.5 in reactor；
(4) polycondensation：Reactor is warming up to 90-95 DEG C, slowly drips formalin thereto, make formaldehyde at 1.5 hours
Inside drip off, be incubated 3 hours；
(5) copolymerization：To in reactor add naphthalene sulfonic dyestuff intermediate waste liquid, keep solution temperature 78-88 DEG C it
Between react 1 hour, water use regulation solid content, get product.
During use, this water reducer is added using with the volume accounting for cement weight 1.4wt%.
Above example only in order to technical scheme to be described, is not intended to limit；Although with reference to the foregoing embodiments
The present invention has been described in detail, it will be understood by those within the art that：It still can be to aforementioned each enforcement
Technical scheme described in example is modified, or carries out equivalent to wherein some technical characteristics；And these modification or
Replace, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a kind of waste liquid modified high efficiency water reducing agent of naphthalene sulfonic dyestuff intermediate is it is characterised in that former by following parts by weight
Material composition：Rough sodium sulfanilate 120-150 part, formaldehyde 80-100 part, alpha-Naphthol industrial wastes 300-450 part, sulfurous
Sour sodium 20-30 part, naphthalene sulfonic dyestuff intermediate pre-processes waste liquid 50-80 part, PH conditioning agent 5-30 part, water 50-150 part.
2. the waste liquid modified high efficiency water reducing agent of naphthalene sulfonic dyestuff intermediate as claimed in claim 1 is it is characterised in that by as follows
The raw material composition of parts by weight：Rough sodium sulfanilate 120-130 part, formaldehyde 80-90 part, alpha-Naphthol industrial wastes 300-
400 parts, sodium sulfite 20-25 part, naphthalene sulfonic dyestuff intermediate pre-processes waste liquid 50-60 part, PH conditioning agent 5-10 part, water
50-100 part.
3. the waste liquid modified high efficiency water reducing agent of naphthalene sulfonic dyestuff intermediate as claimed in claim 2 is it is characterised in that by as follows
The raw material composition of parts by weight：Rough sodium sulfanilate 130-150 part, formaldehyde 90-100 part, alpha-Naphthol industrial wastes
400-450 part, sodium sulfite 25-30 part, naphthalene sulfonic dyestuff intermediate pre-processes waste liquid 60-80 part, PH conditioning agent 10-30
Part, water 100-150 part.
4. the waste liquid modified high efficiency water reducing agent of naphthalene sulfonic dyestuff intermediate as claimed in claim 1 is it is characterised in that described naphthalene
It is that the preprocess method of sulfonic acid dye intermediate waste liquid is：After collecting waste liquid, with extraction separation organic phase and aqueous phase；Remain with
Machine phase, carries out back extraction with sodium hydroxide solution, obtains final product naphthalene sulfonic dyestuff intermediate pretreatment waste liquid.
5. a kind of preparation method of the waste liquid modified high efficiency water reducing agent of naphthalene sulfonic dyestuff intermediate as described in claim 1-4,
It is characterized in that, comprise the steps：
(1) dissolving, filtration：Add water in reactor, then put into rough sodium sulfanilate, sodium sulfite and α-naphthalene respectively
Phenol industrial wastes, reactor is warming up to 85-95 DEG C, heats while stirring no less than 1 hour；
(2) addition：It is slowly added to PH conditioning agent, regulation solution PH to 7.5-8.5 in reactor；
(3) polycondensation：Reactor is warming up to 90-95 DEG C, slowly drips formalin thereto, make formaldehyde in 1.5-2 hour
Drip off, insulation is no less than 2 hours；
(4) copolymerization：Add naphthalene sulfonic dyestuff intermediate pretreatment waste liquid in reactor, keep solution temperature at 78-88 DEG C
Between react 1-2 hour, water use regulation solid content, get product.
6. the waste liquid modified high efficiency water reducing agent of naphthalene sulfonic dyestuff intermediate as any one of claim 1-4, its feature
It is, the volume of described water reducer is the 1.1-1.4wt% of cement weight.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107043446A (en) * | 2017-04-19 | 2017-08-15 | 邵启明 | A kind of waste liquid modified high efficiency water reducing agent of carboxylic acid of 9 Fluorenone 2 |
| CN113185156A (en) * | 2021-05-08 | 2021-07-30 | 上海攀昂建筑工程有限公司 | Method for producing seawater corrosion resistant cement by using construction waste |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5153299A (en) * | 1989-09-01 | 1992-10-06 | Sanyo-Kokusaku Pulp Co., Ltd. | Production of novel condensates comprising bisphenols and aromatic aminosulfonic acids, condensates and dispersant, additive and water-reducing agent based thereon |
| CN102352007A (en) * | 2011-07-26 | 2012-02-15 | 浙江秦燕化工有限公司 | Method for preparing amino aryl sulfonic acid series high-molecular dispersant utilizing organic component in waste water from CLT acid production |
| CN102584084A (en) * | 2012-02-29 | 2012-07-18 | 哈尔滨工业大学强石混凝土技术开发有限责任公司 | Sulfamate water reducer and synthesizing device |
| CN105645818A (en) * | 2016-02-29 | 2016-06-08 | 浙江五龙新材股份有限公司 | Method for synthesizing modified aminosulfonate superplasticizer from wastewater produced in gamma acid production process |
| CN105645819A (en) * | 2016-02-29 | 2016-06-08 | 浙江五龙新材股份有限公司 | Method for synthesizing modified aminosulfonate superplasticizer from wastewater produced in K acid production process |
| CN105753357A (en) * | 2016-02-29 | 2016-07-13 | 浙江五龙新材股份有限公司 | Method for synthesizing modified sulfamate water reducer by utilizing wastewater generated in tobias acid production process |
| CN105753358A (en) * | 2016-02-29 | 2016-07-13 | 浙江五龙新材股份有限公司 | Method for synthesizing modified sulfamate water reducer by utilizing wastewater generated in J acid production process |
| CN105800988A (en) * | 2016-02-29 | 2016-07-27 | 浙江五龙新材股份有限公司 | Method for synthesizing modified sulfamate water reducer by utilizing wastewater generated in H acid production process |
-
2016
- 2016-08-25 CN CN201610726748.9A patent/CN106380558B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5153299A (en) * | 1989-09-01 | 1992-10-06 | Sanyo-Kokusaku Pulp Co., Ltd. | Production of novel condensates comprising bisphenols and aromatic aminosulfonic acids, condensates and dispersant, additive and water-reducing agent based thereon |
| CN102352007A (en) * | 2011-07-26 | 2012-02-15 | 浙江秦燕化工有限公司 | Method for preparing amino aryl sulfonic acid series high-molecular dispersant utilizing organic component in waste water from CLT acid production |
| CN102584084A (en) * | 2012-02-29 | 2012-07-18 | 哈尔滨工业大学强石混凝土技术开发有限责任公司 | Sulfamate water reducer and synthesizing device |
| CN105645818A (en) * | 2016-02-29 | 2016-06-08 | 浙江五龙新材股份有限公司 | Method for synthesizing modified aminosulfonate superplasticizer from wastewater produced in gamma acid production process |
| CN105645819A (en) * | 2016-02-29 | 2016-06-08 | 浙江五龙新材股份有限公司 | Method for synthesizing modified aminosulfonate superplasticizer from wastewater produced in K acid production process |
| CN105753357A (en) * | 2016-02-29 | 2016-07-13 | 浙江五龙新材股份有限公司 | Method for synthesizing modified sulfamate water reducer by utilizing wastewater generated in tobias acid production process |
| CN105753358A (en) * | 2016-02-29 | 2016-07-13 | 浙江五龙新材股份有限公司 | Method for synthesizing modified sulfamate water reducer by utilizing wastewater generated in J acid production process |
| CN105800988A (en) * | 2016-02-29 | 2016-07-27 | 浙江五龙新材股份有限公司 | Method for synthesizing modified sulfamate water reducer by utilizing wastewater generated in H acid production process |
Non-Patent Citations (1)
| Title |
|---|
| 北京大学化学系有机化学教研室: "《有机化学词典》", 30 June 1987, 科学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107043446A (en) * | 2017-04-19 | 2017-08-15 | 邵启明 | A kind of waste liquid modified high efficiency water reducing agent of carboxylic acid of 9 Fluorenone 2 |
| CN113185156A (en) * | 2021-05-08 | 2021-07-30 | 上海攀昂建筑工程有限公司 | Method for producing seawater corrosion resistant cement by using construction waste |
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| CN106380558B (en) | 2019-05-10 |
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