GB189909051A - Improvements in and relating to the Treatment of Ramie or China-grass. - Google Patents
Improvements in and relating to the Treatment of Ramie or China-grass.Info
- Publication number
- GB189909051A GB189909051A GB189909051DA GB189909051A GB 189909051 A GB189909051 A GB 189909051A GB 189909051D A GB189909051D A GB 189909051DA GB 189909051 A GB189909051 A GB 189909051A
- Authority
- GB
- United Kingdom
- Prior art keywords
- parts
- hours
- bath
- water
- macerating
- 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.)
- Expired
Links
- 240000008564 Boehmeria nivea Species 0.000 title abstract 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 4
- 230000002879 macerating effect Effects 0.000 abstract 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 abstract 2
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 abstract 2
- 239000004289 sodium hydrogen sulphite Substances 0.000 abstract 2
- 235000011121 sodium hydroxide Nutrition 0.000 abstract 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 abstract 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000000344 soap Substances 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
Landscapes
- Paper (AREA)
Abstract
9051. Saillant, B. H. April 29. Drawings to Specification. Retting.-The dry or green stalks of China grass are treated for half-an-hour in a digester, at a pressure of three atmospheres and a temperature of 130‹ C. in a bath containing 1 part of sodium carbonate of 90‹ to 92‹ BÚ., 1 part of caustic soda of 70‹ to 72‹ BÚ., and 1 part of sodium bisulphite of 30‹ BÚ. for every 100 parts of water ; and afterwards for a quarter of an hour in a bath containing 1 part per hundred of sodium bisulphite at 80‹ or 90‹ C. in an open vessel. The stalks are then broken, scutched, &c. The strips are then ungummed by the following process:- (1) Macerating for 5 hours in a cold bath containing 8 parts of sulphuric acid of 53‹ BÚ., and 2 parts of hydrochloric acid of 22‹ BÚ. for every 1000 parts of water ; (2) treating for 2 hours at a pressure of 4 atmospheres and temperature of 144‹ C. in a bath which has been already once employed and contains 12 parts of caustic soda of 70‹ to 72‹ BÚ., 12 parts of carbonate of soda of 90‹ to 92‹ BÚ., and 6 parts of bisulphite of soda of 38‹ BÚ. for every 1000 parts of water; (3) macerating for 5 hours in the first bath, cold ; (4) treating for 3 hours in a digester with some fresh second bath ; (5) macerating them for the third time cold in the first bath for 5 hours ; (6) treating for 12 hours at 70‹ C. in a bath containing 3 parts of Marseilles soap and one of '' turning oil for every 1000 parts of water. The strips are finally dried in a centrifugal machine. Some of the operations may be carried out by means of regenerated liquor obtained from previous operations. The Specification also describes apparatus consisting of a pair of tanks or vessels, which may be hermetically closed, and heated by steam coils, and are connected by pipes and stop cocks in such a manner that the liquor which has been used in one tank may be passed to the other, mixed or strengthened with new liquor, and used again for operating on fresh material.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB189909051T | 1899-04-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB189909051A true GB189909051A (en) | 1900-03-17 |
Family
ID=32617095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB189909051D Expired GB189909051A (en) | 1899-04-29 | 1899-04-29 | Improvements in and relating to the Treatment of Ramie or China-grass. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB189909051A (en) |
-
1899
- 1899-04-29 GB GB189909051D patent/GB189909051A/en not_active Expired
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