JPS6487695A - Additive for long-lifetime and high-concentration coal-water slurry - Google Patents
Additive for long-lifetime and high-concentration coal-water slurryInfo
- Publication number
- JPS6487695A JPS6487695A JP62244751A JP24475187A JPS6487695A JP S6487695 A JPS6487695 A JP S6487695A JP 62244751 A JP62244751 A JP 62244751A JP 24475187 A JP24475187 A JP 24475187A JP S6487695 A JPS6487695 A JP S6487695A
- Authority
- JP
- Japan
- Prior art keywords
- salt
- mol
- additive
- sulfonated product
- partially sulfonated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000654 additive Substances 0.000 title abstract 3
- 230000000996 additive effect Effects 0.000 title abstract 3
- 239000002002 slurry Substances 0.000 title 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title 1
- 150000003839 salts Chemical class 0.000 abstract 3
- 239000003250 coal slurry Substances 0.000 abstract 2
- 229920000137 polyphosphoric acid Polymers 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 239000003245 coal Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 abstract 1
- 229940005657 pyrophosphoric acid Drugs 0.000 abstract 1
- -1 pyrophosphoric acid sodium salt Chemical class 0.000 abstract 1
- 159000000000 sodium salts Chemical class 0.000 abstract 1
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 abstract 1
- 238000006277 sulfonation reaction Methods 0.000 abstract 1
- UNXRWKVEANCORM-UHFFFAOYSA-N triphosphoric acid Chemical compound OP(O)(=O)OP(O)(=O)OP(O)(O)=O UNXRWKVEANCORM-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Liquid Carbonaceous Fuels (AREA)
Abstract
PURPOSE:To provide the titled additive producing a mutual network structure of coal particles, retaining the low viscosity and self fluidity of a coal slurry for a long period and permitting the pump transportation of the coal slurry, by containing a partially sulfonated product (salt) of PS and a polyphosphoric acid salt. CONSTITUTION:The objective additive contains as essential components (A) (i) a partially sulfonated product (salt) of PS having a weight-average mol.wt. (hereinafter referred to as mol.wt.) of 2,000-500,000 (preferably 4,000-100,000) or (ii) a partially sulfonated product of a mixture of PS having a mol.wt. of 400-10,000 with PS having a mol.wt. of 40,000-500,000 (preferably 50,000-150,000) and (B) a polyphosphoric acid comprising pyrophosphoric acid sodium salt, tripolyphosphoric acid potassium salt, polymetaphosphoric acid sodium salt or the like. The sulfonation degree of the component A is 65-97% (preferably 70-95%) per styrene unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62244751A JPS6487695A (en) | 1987-09-29 | 1987-09-29 | Additive for long-lifetime and high-concentration coal-water slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62244751A JPS6487695A (en) | 1987-09-29 | 1987-09-29 | Additive for long-lifetime and high-concentration coal-water slurry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6487695A true JPS6487695A (en) | 1989-03-31 |
Family
ID=17123352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62244751A Pending JPS6487695A (en) | 1987-09-29 | 1987-09-29 | Additive for long-lifetime and high-concentration coal-water slurry |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6487695A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6814424B2 (en) | 2001-11-13 | 2004-11-09 | Samsung Electronics Co., Ltd. | Maintenance apparatus of an inkjet printer and method thereof |
-
1987
- 1987-09-29 JP JP62244751A patent/JPS6487695A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6814424B2 (en) | 2001-11-13 | 2004-11-09 | Samsung Electronics Co., Ltd. | Maintenance apparatus of an inkjet printer and method thereof |
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