DE245800C - - Google Patents
Info
- Publication number
- DE245800C DE245800C DENDAT245800D DE245800DA DE245800C DE 245800 C DE245800 C DE 245800C DE NDAT245800 D DENDAT245800 D DE NDAT245800D DE 245800D A DE245800D A DE 245800DA DE 245800 C DE245800 C DE 245800C
- Authority
- DE
- Germany
- Prior art keywords
- alkalis
- superheated steam
- waste
- mass
- oxalic acid
- 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.)
- Active
Links
- MUBZPKHOEPUJKR-UHFFFAOYSA-N oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 235000006408 oxalic acid Nutrition 0.000 claims description 8
- 239000003518 caustics Substances 0.000 claims description 4
- 239000010908 plant waste Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000010902 straw Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 150000001735 carboxylic acids Chemical class 0.000 claims description 2
- 229920003043 Cellulose fiber Polymers 0.000 claims 1
- 239000005418 vegetable material Substances 0.000 claims 1
- 239000002023 wood Substances 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- 239000000126 substance Substances 0.000 description 10
- 235000011121 sodium hydroxide Nutrition 0.000 description 8
- 239000003513 alkali Substances 0.000 description 7
- 150000007524 organic acids Chemical class 0.000 description 5
- 235000005985 organic acids Nutrition 0.000 description 5
- 239000006188 syrup Substances 0.000 description 5
- 235000020357 syrup Nutrition 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 150000003891 oxalate salts Chemical class 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000001590 oxidative Effects 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-N Carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000015450 Tilia cordata Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- AXCZMVOFGPJBDE-UHFFFAOYSA-L Calcium hydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- QXDMQSPYEZFLGF-UHFFFAOYSA-L Calcium oxalate Chemical compound [Ca+2].[O-]C(=O)C([O-])=O QXDMQSPYEZFLGF-UHFFFAOYSA-L 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000005588 carbonic acid salt group Chemical group 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 235000011118 potassium hydroxide Nutrition 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000001052 transient Effects 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE245800C true DE245800C (it) |
Family
ID=504731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT245800D Active DE245800C (it) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE245800C (it) |
-
0
- DE DENDAT245800D patent/DE245800C/de active Active
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