CN108409181A - A kind of modified aliphatic water reducing agent of useless residue in the production process containing phenols - Google Patents
A kind of modified aliphatic water reducing agent of useless residue in the production process containing phenols Download PDFInfo
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- CN108409181A CN108409181A CN201810480879.2A CN201810480879A CN108409181A CN 108409181 A CN108409181 A CN 108409181A CN 201810480879 A CN201810480879 A CN 201810480879A CN 108409181 A CN108409181 A CN 108409181A
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- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Abstract
The present invention provides a kind of modified aliphatic water reducing agent of the useless residue in the production process containing phenols, is related to building material field, includes the constituent of following parts by weight：50 80 parts of useless residue, 85 105 parts of acetone in 300 500 parts of water, 110 180 parts of sodium nitrite, 230 280 parts of formaldehyde, phenols production process, synthetic method includes the following steps：(1) raw material of above-mentioned parts by weight is weighed；(2) it adds water in four-hole boiling flask, sodium nitrite is added while stirring, after being uniformly mixed, put into the useless residue in phenols production process, the reaction was continued 30min, acetone is weighed after reaction in constant pressure funnel, control acetone rate of addition, 20 30min drops finish, stirring the reaction was continued 30min after being added dropwise, start that formaldehyde is added dropwise, control formaldehyde rate of addition, 2 3h drops finish, 95 DEG C are heated to after being added dropwise, continue 3 4h of insulation reaction, cool down after heat preservation, the present invention not only solves environmental issue, and economic benefit is created again.
Description
Technical field
The present invention relates to building material fields, and in particular to a kind of modification fat of the useless residue in the production process containing phenols
Fat race water-reducing agent.
Background technology
Water-reducing agent is a kind of under conditions of maintaining concrete slump to be basically unchanged, and can reduce the coagulation of mixing water amount
Native additive.Belong to anion surfactant mostly, there is lignosulfonates, naphthalene sulphonate formaldehyde polymer etc..It is added mixed
There is peptizaiton to cement granules after solidifying soil mixture, its workability can be improved, reduce unit consumption of water, improve concrete mixing
The mobility of object；Or unit cement consumption is reduced, save cement.
Either phenolic compound is synthetically produced in the useless residue generated in the process or a small amount of residual mother liquor containing different phenol
The substances such as propyl benzene, phenol, acetone, phenolic compound, belong to hazardous waste, are unable to direct emission, mostly use distillation, essence at present
The modes separating-purifying such as evaporate, extract, it is of high cost, energy consumption is big, it is not only solved if rationally utilizing it for producing water-reducing agent
It has determined environmental issue, and has created economic benefit again.
Invention content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of modification fat of the useless residue in production process containing phenols
Fat race water-reducing agent, not only solves environmental issue, and create economic benefit again.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：
A kind of modified aliphatic water reducing agent of useless residue in the production process containing phenols, includes the composition of following parts by weight
Ingredient：Useless residue 50-80 in 300-500 parts of water, 110-180 parts of sodium nitrite, 230-280 parts of formaldehyde, phenols production process
Part, 85-105 parts of acetone.
Preferably, include the constituent of following parts by weight：340-400 parts of water, 130-150 parts of sodium nitrite, formaldehyde
240-260 parts, useless residue 60-70 parts, 90-100 parts of acetone in phenols production process.
Preferably, include the constituent of following parts by weight：380 parts of water, 140 parts of sodium nitrite, 250 parts of formaldehyde, phenols
95 parts of 65 parts of useless residue, acetone in production process.
Preferably, include the constituent of following parts by weight：350 parts of water, 145 parts of sodium nitrite, 245 parts of formaldehyde, phenols
98 parts of 62 parts of useless residue, acetone in production process.
Preferably, the purity of the sodium nitrite is 80%.
Preferably, a concentration of the 37% of the formaldehyde.
The modified aliphatic water reducing agent of useless residue in the above-mentioned production process containing phenols, synthetic method include following step
Suddenly：
(1) raw material of above-mentioned parts by weight is weighed；
(2) it adds water in four-hole boiling flask, sodium nitrite is added while stirring, after being uniformly mixed, put into phenols
Useless residue in production process, the reaction was continued 30min weigh acetone in constant pressure funnel after reaction, and control acetone is added dropwise
Speed, 20-30min drops finish, and stirring the reaction was continued 30min after being added dropwise starts that formaldehyde is added dropwise, controls formaldehyde rate of addition,
2-3h drops finish, and 95 DEG C are heated to after being added dropwise, and continue insulation reaction 3-4h, cool down after heat preservation.
The modified aliphatic water reducing agent of useless residue in the above-mentioned production process containing phenols, be added to as an aqueous solution it is mixed
In solidifying soil mixture, volume is the 0.8-3.0% of cement weight.
(3) advantageous effect
The present invention provides a kind of modified aliphatic water reducing agents of the useless residue in production process containing phenols, have following
Advantageous effect：
(1) present invention is directly using the useless residue generated in phenol and phenolic compound production process, without through any place
Reason is directly used in the pollution that synthesis modification aliphatic high-efficiency water reducing agent avoids waste discharge to environment, and solves useless residue and return
It is more complex to receive processing, not disposable, energy consumption is big, it is of high cost the problems such as, belong to the environment-friendly type invention of hazardous waste recycling.
(2) present invention introduces useless residue in isopropylbenzene, phenolic hydroxyl group etc. can participate in polymerizeing, can be connect with aliphatic
Branch increases the branch quantity in aliphatic water reducing agent, can improve the slump effect of concrete.
(3) present invention can reduce aliphatic and subtract using the acetone for the residue that gives up to reduce the dosage of acetone in reaction process
The cost of aqua.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention one
Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
Embodiment 1：
The modified aliphatic water reducing agent of useless residue in a kind of production process containing phenols, which is characterized in that including following
The constituent of parts by weight：350 parts of water, purity are 80% 145 parts of sodium nitrite, a concentration of 37% 245 parts of formaldehyde, phenols
98 parts of 62 parts of useless residue, acetone in production process.
The modified aliphatic water reducing agent of useless residue in the above-mentioned production process containing phenols, synthetic method include following step
Suddenly：
(1) raw material of above-mentioned parts by weight is weighed；
(2) it adds water in four-hole boiling flask, sodium nitrite is added while stirring, after being uniformly mixed, put into phenols
Useless residue in production process, the reaction was continued 30min weigh acetone in constant pressure funnel after reaction, and control acetone is added dropwise
Speed, 25min drops finish, and stirring the reaction was continued 30min after being added dropwise starts that formaldehyde is added dropwise, controls formaldehyde rate of addition, 2.5h
Drop finishes, and 95 DEG C are heated to after being added dropwise, and continues insulation reaction 3.5h, cools down after heat preservation.
The modified aliphatic water reducing agent of useless residue in the above-mentioned production process containing phenols, be added to as an aqueous solution it is mixed
In solidifying soil mixture, volume is the 2.0% of cement weight.
Embodiment 2：
The modified aliphatic water reducing agent of useless residue in a kind of production process containing phenols, which is characterized in that including following
The constituent of parts by weight：380 parts of water, purity are 80% 140 parts of sodium nitrite, a concentration of 37% 250 parts of formaldehyde, phenols
95 parts of 65 parts of useless residue, acetone in production process.
The modified aliphatic water reducing agent of useless residue in the above-mentioned production process containing phenols, synthetic method include following step
Suddenly：
(1) raw material of above-mentioned parts by weight is weighed；
(2) it adds water in four-hole boiling flask, sodium nitrite is added while stirring, after being uniformly mixed, put into phenols
Useless residue in production process, the reaction was continued 30min weigh acetone in constant pressure funnel after reaction, and control acetone is added dropwise
Speed, 22min drops finish, and stirring the reaction was continued 30min after being added dropwise starts that formaldehyde is added dropwise, controls formaldehyde rate of addition, 2.2h
Drop finishes, and 95 DEG C are heated to after being added dropwise, and continues insulation reaction 3.5h, cools down after heat preservation.
The modified aliphatic water reducing agent of useless residue in the above-mentioned production process containing phenols, be added to as an aqueous solution it is mixed
In solidifying soil mixture, volume is the 1.0% of cement weight.
Embodiment 3：
The modified aliphatic water reducing agent of useless residue in a kind of production process containing phenols, which is characterized in that including following
The constituent of parts by weight：340 parts of water, purity are 80% 130 parts of sodium nitrite, a concentration of 37% 240 parts of formaldehyde, phenols
90 parts of 60 parts of useless residue, acetone in production process.
The modified aliphatic water reducing agent of useless residue in the above-mentioned production process containing phenols, synthetic method include following step
Suddenly：
(1) raw material of above-mentioned parts by weight is weighed；
(2) it adds water in four-hole boiling flask, sodium nitrite is added while stirring, after being uniformly mixed, put into phenols
Useless residue in production process, the reaction was continued 30min weigh acetone in constant pressure funnel after reaction, and control acetone is added dropwise
Speed, 28min drops finish, and stirring the reaction was continued 30min after being added dropwise starts that formaldehyde is added dropwise, controls formaldehyde rate of addition, 2.6h
Drop finishes, and 95 DEG C are heated to after being added dropwise, and continues insulation reaction 3.5h, cools down after heat preservation.
The modified aliphatic water reducing agent of useless residue in the above-mentioned production process containing phenols, be added to as an aqueous solution it is mixed
In solidifying soil mixture, volume is the 2.5% of cement weight.
Embodiment 4：
The modified aliphatic water reducing agent of useless residue in a kind of production process containing phenols, which is characterized in that including following
The constituent of parts by weight：400 parts of water, purity are 80% 150 parts of sodium nitrite, a concentration of 37% 260 parts of formaldehyde, phenols
100 parts of 70 parts of useless residue, acetone in production process.
The modified aliphatic water reducing agent of useless residue in the above-mentioned production process containing phenols, synthetic method include following step
Suddenly：
(1) raw material of above-mentioned parts by weight is weighed；
(2) it adds water in four-hole boiling flask, sodium nitrite is added while stirring, after being uniformly mixed, put into phenols
Useless residue in production process, the reaction was continued 30min weigh acetone in constant pressure funnel after reaction, and control acetone is added dropwise
Speed, 20min drops finish, and stirring the reaction was continued 30min after being added dropwise starts that formaldehyde is added dropwise, controls formaldehyde rate of addition, 2h drops
Finish, 95 DEG C are heated to after being added dropwise, continue insulation reaction 3h, cools down after heat preservation.
The modified aliphatic water reducing agent of useless residue in the above-mentioned production process containing phenols, be added to as an aqueous solution it is mixed
In solidifying soil mixture, volume is the 0.8% of cement weight.
Embodiment 5：
The modified aliphatic water reducing agent of useless residue in a kind of production process containing phenols, which is characterized in that including following
The constituent of parts by weight：300 parts of water, purity are 80% 110 parts of sodium nitrite, a concentration of 37% 230 parts of formaldehyde, phenols
85 parts of 50 parts of useless residue, acetone in production process
The modified aliphatic water reducing agent of useless residue in the above-mentioned production process containing phenols, synthetic method include following step
Suddenly：
(1) raw material of above-mentioned parts by weight is weighed；
(2) it adds water in four-hole boiling flask, sodium nitrite is added while stirring, after being uniformly mixed, put into phenols
Useless residue in production process, the reaction was continued 30min weigh acetone in constant pressure funnel after reaction, and control acetone is added dropwise
Speed, 30min drops finish, and stirring the reaction was continued 30min after being added dropwise starts that formaldehyde is added dropwise, controls formaldehyde rate of addition, 3h drops
Finish, 95 DEG C are heated to after being added dropwise, continue insulation reaction 4h, cools down after heat preservation.
The modified aliphatic water reducing agent of useless residue in the above-mentioned production process containing phenols, be added to as an aqueous solution it is mixed
In solidifying soil mixture, volume is the 3.0% of cement weight.
Embodiment 6：
The modified aliphatic water reducing agent of useless residue in a kind of production process containing phenols, which is characterized in that including following
The constituent of parts by weight：500 parts of water, purity are 80% 180 parts of sodium nitrite, a concentration of 37% 280 parts of formaldehyde, phenols
105 parts of 80 parts of useless residue, acetone in production process.
The modified aliphatic water reducing agent of useless residue in the above-mentioned production process containing phenols, synthetic method include following step
Suddenly：
(1) raw material of above-mentioned parts by weight is weighed；
(2) it adds water in four-hole boiling flask, sodium nitrite is added while stirring, after being uniformly mixed, put into phenols
Useless residue in production process, the reaction was continued 30min weigh acetone in constant pressure funnel after reaction, and control acetone is added dropwise
Speed, 28min drops finish, and stirring the reaction was continued 30min after being added dropwise starts that formaldehyde is added dropwise, controls formaldehyde rate of addition, 2.8h
Drop finishes, and 95 DEG C are heated to after being added dropwise, and continues insulation reaction 4h, cools down after heat preservation.
The modified aliphatic water reducing agent of useless residue in the above-mentioned production process containing phenols, be added to as an aqueous solution it is mixed
In solidifying soil mixture, volume is the 1.5% of cement weight.
Embodiment 7：
The modified aliphatic water reducing agent of useless residue in a kind of production process containing phenols, which is characterized in that including following
The constituent of parts by weight：350 parts of water, purity are 80% 130 parts of sodium nitrite, a concentration of 37% 260 parts of formaldehyde, phenols
90 parts of 70 parts of useless residue, acetone in production process.
The modified aliphatic water reducing agent of useless residue in the above-mentioned production process containing phenols, synthetic method include following step
Suddenly：
(1) raw material of above-mentioned parts by weight is weighed；
(2) it adds water in four-hole boiling flask, sodium nitrite is added while stirring, after being uniformly mixed, put into phenols
Useless residue in production process, the reaction was continued 30min weigh acetone in constant pressure funnel after reaction, and control acetone is added dropwise
Speed, 20min drops finish, and stirring the reaction was continued 30min after being added dropwise starts that formaldehyde is added dropwise, controls formaldehyde rate of addition, 3h drops
Finish, 95 DEG C are heated to after being added dropwise, continue insulation reaction 3h, cools down after heat preservation.
The modified aliphatic water reducing agent of useless residue in the above-mentioned production process containing phenols, be added to as an aqueous solution it is mixed
In solidifying soil mixture, volume is the 3.0% of cement weight.
Embodiment 8：
The modified aliphatic water reducing agent of useless residue in a kind of production process containing phenols, which is characterized in that including following
The constituent of parts by weight：500 parts of water, purity are 80% 110 parts of sodium nitrite, a concentration of 37% 280 parts of formaldehyde, phenols
105 parts of 50 parts of useless residue, acetone in production process.
The modified aliphatic water reducing agent of useless residue in the above-mentioned production process containing phenols, synthetic method include following step
Suddenly：
(1) raw material of above-mentioned parts by weight is weighed；
(2) it adds water in four-hole boiling flask, sodium nitrite is added while stirring, after being uniformly mixed, put into phenols
Useless residue in production process, the reaction was continued 30min weigh acetone in constant pressure funnel after reaction, and control acetone is added dropwise
Speed, 30min drops finish, and stirring the reaction was continued 30min after being added dropwise starts that formaldehyde is added dropwise, controls formaldehyde rate of addition, 2.5h
Drop finishes, and 95 DEG C are heated to after being added dropwise, and continues insulation reaction 4h, cools down after heat preservation.
The modified aliphatic water reducing agent of useless residue in the above-mentioned production process containing phenols, be added to as an aqueous solution it is mixed
In solidifying soil mixture, volume is the 3.0% of cement weight.
The following table 1 is the water-reducing rate comparing result of product and commercially available aliphatic water reducing agent prepared by the embodiment of the present invention 1：
The following table 2 is the slump comparing result of product and commercially available aliphatic water reducing agent prepared by the embodiment of the present invention 1：
Table 1：
| Water-reducing agent | Volume (%) | Water-reducing rate (%) |
| Commercially available aliphatic water reducing agent | 1.6% | 19 |
| Water-reducing agent of the present invention | 1.6% | 22 |
Table 2：
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
Invention is explained in detail, it will be understood by those of ordinary skill in the art that：It still can be to aforementioned each implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features；And these modification or
It replaces, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of modified aliphatic water reducing agent of the useless residue in production process containing phenols, which is characterized in that including following heavy
Measure the constituent of part：It is useless in 300-500 parts of water, 110-180 parts of sodium nitrite, 230-280 parts of formaldehyde, phenols production process
50-80 parts of residue, 85-105 parts of acetone.
2. the modified aliphatic water reducing agent as described in claim 1 containing the useless residue in phenols production process, feature exist
In including the constituent of following parts by weight：340-400 parts of water, 130-150 parts of sodium nitrite, 240-260 parts of formaldehyde, phenols
Useless residue 60-70 parts, 90-100 parts of acetone in production process.
3. the modified aliphatic water reducing agent as claimed in claim 2 containing the useless residue in phenols production process, feature exist
In including the constituent of following parts by weight：In 380 parts of water, 140 parts of sodium nitrite, 250 parts of formaldehyde, phenols production process
Useless 65 parts of residue, 95 parts of acetone.
4. the modified aliphatic water reducing agent as claimed in claim 2 containing the useless residue in phenols production process, feature exist
In including the constituent of following parts by weight：In 350 parts of water, 145 parts of sodium nitrite, 245 parts of formaldehyde, phenols production process
Useless 62 parts of residue, 98 parts of acetone.
5. the modified aliphatic water reducing agent as claimed in claim 2 containing the useless residue in phenols production process, feature exist
In the purity of the sodium nitrite is 80%.
6. the modified aliphatic water reducing agent as claimed in claim 2 containing the useless residue in phenols production process, feature exist
In a concentration of the 37% of the formaldehyde.
7. the modified aliphatic water reducing agent as claimed in claim 2 containing the useless residue in phenols production process, feature exist
In synthetic method includes the following steps：
(1) raw material of above-mentioned parts by weight is weighed；
(2) it adds water in four-hole boiling flask, sodium nitrite is added while stirring, after being uniformly mixed, input phenols production
Useless residue in the process, the reaction was continued 30min weigh acetone in constant pressure funnel, control acetone rate of addition after reaction,
20-30min drops finish, and stirring the reaction was continued 30min after being added dropwise starts that formaldehyde is added dropwise, controls formaldehyde rate of addition, 2-3h drops
Finish, 95 DEG C are heated to after being added dropwise, continue insulation reaction 3-4h, cools down after heat preservation.
8. the modified aliphatic water reducing agent as claimed in claim 2 containing the useless residue in phenols production process, feature exist
In the modified aliphatic water reducing agent is added in concrete mix as an aqueous solution, and volume is the 0.8- of cement weight
3.0%.
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| CN201810480879.2A CN108409181A (en) | 2018-05-18 | 2018-05-18 | A kind of modified aliphatic water reducing agent of useless residue in the production process containing phenols |
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| CN201810480879.2A CN108409181A (en) | 2018-05-18 | 2018-05-18 | A kind of modified aliphatic water reducing agent of useless residue in the production process containing phenols |
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| CN108586683A (en) * | 2018-05-18 | 2018-09-28 | 萧县沃德化工科技有限公司 | The method that heavy distillat prepares modified aliphatic high efficiency water reducing agent in ethanol production process |
| CN112358587A (en) * | 2020-10-27 | 2021-02-12 | 安徽鑫固环保股份有限公司 | Method for resource utilization of resorcinol production wastewater |
| CN112592452A (en) * | 2020-10-27 | 2021-04-02 | 安徽鑫固环保股份有限公司 | Method for resource utilization of resorcinol distillation residues |
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Application publication date: 20180817 |