Coal suspension

专利摘要:

公开号:SU1209037A3
申请号:SU833643060
申请日:1983-09-08
公开日:1986-01-30
发明作者:Бемке Гюнтер；Мацанек Ян；Ботш Ганс-Юрген；Шнейдер Готтфрид
申请人:Байер,Аг (Фирма)；
IPC主号:

专利说明:


This invention relates to a suspension of coal, in particular to a suspension of coal in water.
The purpose of the invention is to reduce the viscosity of an aqueous coal slurry and foaming during its preparation.
The examples given illustrate the production of polyglycol ethers.

formulas.
- BUT -
SNS-CH-0
-g
Jy ..
R, is hydrogen, methyl;
 - hydrogen, C-Cd-alkyl;
 - hydrogen, group - SOjNHt ,;
five
X - 1.8-2.7;
V - 16-150:
g - and-20 ... . Example 1. 94 g of phenol are reacted with 208 g of styrene at temperatures increasing from 130 to 160 ° C in the presence of
1 g of P-toluenesulfonic acid. The mixture is then kept at a temperature of 150-160 ° C for one hour, after which it is cooled: wait to 120 ° C. After adding 3 g of powdered potassium hydroxide, the mixture is heated to dry and produce potassium phenol. 3520 g of ethylene oxide are supplied to a rector subjected to aeration with nitrogen at a temperature of 130-160 ° C. The reaction product is a water-soluble yellowish wax with a mp. 48-5U C. The product has the following formula:
0
O + SNO-SNT-O-LN Jeo
Example 2. Under the conditions of example 1, 1160 g of propylene oxide and then 3520 g of ethylene oxide are added to the aralkylphenol of example 1. The reaction product is water-soluble and gives a 30-40% aqueous solution without gel formation. The product has the following formula;
CH j-CH2-0- | -Н 80
Example 94 g of phenol is reacted with 318 g of methylstyrene with a temperature increasing from 130 to 160 ° C in the presence of 1 g of p-toluenesulfonic acid. The mixture is then held at a temperature of 150-160 ° C for one hour, after which it is cooled to. After adding 3 g of powdered potassium hydroxide
the mixture is heated to dry and produce potassium phenolate. 4400 g of ethylene oxide are fed to the reactor under nitrogen at a temperature of 130-160 C. The product is readily soluble in water and at a normal temperature has a waxy consistency. Its m.p. 58 ° C. The product has the following formula:
-n
100
Example4. 108 g of cresol (technical mixture) are reacted with equal amounts of styrene and ethylene oxide under the conditions of Example 1. A water-soluble wax is obtained with mp, 45-47 ° C, having the following formula:
ABOUT
55 g of this compound, 30 g of water and 15 g of methanol give a ready-to-use solution,
PRI me R 5. 220 g of isononylphenol are reacted with 188 g
sn
3
Jl, 8
PRI me R 6. 470 g of the product obtained according to Example 3 is dried under vacuum at. Then, at a temperature of 75 ° C, a mixture of 6 g of urea and 10 g of aminosulfonic acid is added, and the mixture is heated well for 60 minutes.
CH2-CH2.-0- | -N
80
styrene and 4400 g of ethylene oxide conditions of example 1. The resulting water-soluble wax with t. 43-46 ° C has the following mule;
-СН -СНгг-ОН
 Jloo
to EO C, and within 6 h - up to 100-105 s. Then the pH value of the mixture was adjusted to 7-8 by adding 0.5-1 cm of ammonia solution (measured in 10% aqueous solution). The resulting product has the following formula:
L sns
This product is solvent free 60% aqueous. The following examples are illustrated by preparing the proposed slurry coal and the purpose of the invention.
Example 7: Use of coal containing,%: Carbon82
Hydrogen4,5
Nitrogen1,1
Oxygen2,6
Sulfur1,2
and having the following properties: Total Humidity,% 4.2 Sieve analysis (residue per one),%
ikm - - - - - - About
9
17
24
47
59
78
93
thirty
35
40
CH -O-H-SOsNHii JlOO
th coal (i.e. 350 g dry coal). An aqueous coal slurry with a viscosity of 670 mPa / s is formed. Viscosity is determined using an Haak viscometer at a temperature of 20 ° C and at a slice rate of 225 seconds. By changing the concentration of coal or the amount of additive, suspensions are obtained with the following properties (percentage of the weight of the suspension) (Table 1).
I
Table 1
45
50
Obtaining an aqueous suspension of coal.
2.25 g of aralkyl polyalkylene glycol ether prepared according to Example 3 (additive) are dissolved in 132.45 g of water. While stirring, 365.3 g of this finely divided substance was added. When preparing suspensions A to D, no foaming was observed.
Comparative example 1.
Similarly to the example, 7, but as an additive use
0.45% by weight of polyethylene glycol ester of sterile alcohol (polyaddition of 100) according to the prototype A 72% coal suspension with a viscosity of 1100 mPa / s is obtained. In the preparation of the suspension, foaming is observed.
A comparison of the viscosity data of the suspension G of Example 7 and the suspension of Comparative Example 1 demonstrates the achievement of the objective of the invention.
PRI me R 8. Apply coal containing,%: Carbon68.2
Hydrogen4,3
Nitrogen1,4
Oxygen9.2
Sulfur0.9
and having the following properties; Total humidity,%
Sow analysis (sieve residue),%
192 microm
96
48-31
24-53
16- -63
8 - - 78
2 - -94
The preparation and measurement of the viscosity of the suspension is carried out in the manner described in Example 7. Aralkyl polyalkylene glycol ether is used according to Example 3 in an amount of 0.5% by weight (additive). A suspension is obtained with a viscosity of 810 mPa / s.
The length (y) of the ethylene oxide adduct chain according to Example 3 varies (69% carbon, 0.5% additive). In this case, suspensions with the indicated viscosity values are obtained (Table 1).
T and Blitz
Continuation of table 2
When preparing suspensions of A – H Foaming is not observed.
Comparative example II.
Analogously to example 8, but 0.5 wt.% Of stearyl alcohol polyethylene glycol ether () according to the prototype is used as an additive. A suspension is obtained with a viscosity of 980 mPa / s. In the preparation of the suspension, foaming is observed.
A comparison of the viscosity data of the suspension 6 of example 8 and the suspension of comparative example II demonstrates the achievement of the objective of the invention.
PRI me R 9. Apply coal containing,%: Carbon 77.4
Hydrogen4,2
Nitrogen
Oxygen4.1
Sulfur0.9
and having the following properties:
Sieve analysis (sieve residue),%
192 mic6
128
8-.- 95
2 - -100
Aralkyl-polyalkylene glycol ether according to Example 3 (additive) is used. The preparation of the suspension is carried out in the manner described in Example 7. I
Suspensions are obtained with the following
properties (0.5% additive) (table 3).
Table3
71209037
Continuation of table 3
Example 10. Example 7 is repeated with the difference that 0.5% by weight of aralkyl-polyalkylene glycol ether is used according to example 6. A suspension of coal with the following properties is obtained (Table 4).
Table4
Table
Example 13. The method described in Example 7 or 8 is repeated, with the difference that some of the water is replaced by methanol. "Suspensions with the following properties are obtained (Table 7).
Table7
20
In preparing the suspensions of the examples of foaming, non-ib / feed.
Example 15. Example 7 is repeated with the difference that an ether of the formula
CIS-SN2-O - n
80
with a ratio of ether, coal and water 0.5: 70: 29.5. A suspension with a viscosity of 660 mPa / s, determined at a cutting speed of 100
f.
When preparing the suspension, no foaming is observed.
The ether of the above formula is obtained as follows.
164 gM tert-ampyphenol is reacted with 187 g of styrene, added over 30 minutes, at 120-140 ° C in the presence of 1.6 g of P-tollurlsulfonic acid, followed by aging of the reaction mixture by Composer N. Bogdanova Editor M. Petrov Tehred M. Nadi Corrector A.T.
Order 312/62 Circulation 483 Subscription VNIIPI USSR State Committee
for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5
Branch PPP Patent-, Uzhgorod, st. Design,
5 hours. Then, with stirring, 3.5 g of potassium hydroxide powder are added and the reaction mixture is dried under vacuum for one hour, after which 580 g of propylamide is added in portions and the reaction is carried out at 140 ° C. After the conversion these propylamide are added to 1147 g of ethylene oxide and the reaction is carried out under a pressure of 2 bar. After the end of the reaction, the product releases in a hot state. A hot product is allowed to harden. The solidification point is 53 C. The product is readily soluble in water.

权利要求:
Claims (1)
[1]
SUSPENSION OF COAL, containing crushed coal, water and a polyalkylene glycol ether, characterized in that, in order to reduce the viscosity and pricing of the suspension, it contains a compound of the general formula (I) sn ₃ as ether
-so-oh where
R 'R ¹ R ⁵- hydrogen- hydrogen- hydrogenSOjNH ,,; methyl;C <-C, -alkyl; Group - X - 1.8-2.7: At - 16-150; Z. - 0-20,
in the following quantitative ratio of components, wt, X: Ground coal 30-76 Compound of formula (I) 0.2-0.55
Water Up to 100
SU „„ 1209037

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引用文献:

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FR2638168A1|1988-10-21|1990-04-27|Rhone Poulenc Chimie|DISPERSIONS OF HALIDES OF RARE EARTHS IN OILY ENVIRONMENTS|

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法律状态:

优先权:

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申请号 | 申请日 | 专利标题

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DE19823240309|DE3240309A1|1982-10-30|1982-10-30|USE OF ARALKYL-POLYALKYLENE GLYCOLETHERS FOR THE PRODUCTION OF AQUEOUS COAL SLURRY|

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