NO116521B - - Google Patents
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- Publication number
- NO116521B NO116521B NO154501A NO15450164A NO116521B NO 116521 B NO116521 B NO 116521B NO 154501 A NO154501 A NO 154501A NO 15450164 A NO15450164 A NO 15450164A NO 116521 B NO116521 B NO 116521B
- Authority
- NO
- Norway
- Prior art keywords
- weight
- concentrate
- shower
- paraformaldehyde
- air
- Prior art date
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 43
- 239000012141 concentrate Substances 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 12
- 229930040373 Paraformaldehyde Natural products 0.000 claims description 11
- 229920002866 paraformaldehyde Polymers 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000005507 spraying Methods 0.000 claims description 5
- 239000000047 product Substances 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000002245 particle Substances 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 239000000017 hydrogel Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 210000004268 dentin Anatomy 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- MGJURKDLIJVDEO-UHFFFAOYSA-N formaldehyde;hydrate Chemical compound O.O=C MGJURKDLIJVDEO-UHFFFAOYSA-N 0.000 description 1
- 239000000499 gel Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- -1 polyoxymethylene dihydrates Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 230000035943 smell Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
- C08G2/08—Polymerisation of formaldehyde
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D1/00—Evaporating
- B01D1/16—Evaporating by spraying
- B01D1/18—Evaporating by spraying to obtain dry solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/30—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using agents to prevent the granules sticking together; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/06—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried
- F26B3/08—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour flowing through the materials or objects to be dried so as to loosen them, e.g. to form a fluidised bed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
- F26B3/10—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour carrying the materials or objects to be dried with it
- F26B3/12—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour carrying the materials or objects to be dried with it in the form of a spray, i.e. sprayed or dispersed emulsions or suspensions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Microbiology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DED42931A DE1208887B (de) | 1963-11-14 | 1963-11-14 | Verfahren zum Herstellen von freifliessendem Paraformaldehyd |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO116521B true NO116521B (da) | 1969-04-08 |
Family
ID=7047223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO154501A NO116521B (da) | 1963-11-14 | 1964-08-24 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3316309A (da) |
| BE (1) | BE655767A (da) |
| CH (1) | CH444485A (da) |
| DE (1) | DE1208887B (da) |
| GB (1) | GB1019486A (da) |
| NL (1) | NL6411707A (da) |
| NO (1) | NO116521B (da) |
| SE (1) | SE320354B (da) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1720472B1 (de) * | 1967-05-09 | 1971-10-07 | Degussa | Verfahren zum herstellen von freifliessendem paraformaldehyd |
| US4036891A (en) * | 1975-12-29 | 1977-07-19 | Moller Jens C T | Process for preparing paraformaldehyde |
| US4550213A (en) * | 1984-06-29 | 1985-10-29 | Celanese Corporation | Method of manufacture for paraformaldehyde prills |
| DD272576A3 (de) * | 1987-01-30 | 1989-10-18 | Leuna Werke Veb | Verfahren zur herstellung von koernigem paraformaldehyd |
| DE10256531A1 (de) * | 2002-12-04 | 2004-06-24 | Degussa Ag | Verfahren zur Herstellung von wasserfreiem Alkalisulfid |
| DE10256530A1 (de) * | 2002-12-04 | 2004-06-24 | Degussa Ag | Verfahren zur Herstellung von wasserfreiem Alkalisulfid |
| CN104130359B (zh) * | 2014-07-21 | 2016-11-23 | 江苏凯茂石化科技有限公司 | 一种多聚甲醛生产工艺装置 |
| CN104130360A (zh) * | 2014-07-21 | 2014-11-05 | 江苏凯茂石化科技有限公司 | 一种多聚甲醛生产工艺方法 |
| CN104591984A (zh) * | 2014-12-12 | 2015-05-06 | 北京东方红升新能源应用技术研究院有限公司 | 一种以浓缩甲醛为原料制备聚甲氧基二甲醚的方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2568017A (en) * | 1949-10-18 | 1951-09-18 | Celanese Corp | Paraformaldehyde from formaldehyde |
| US2568018A (en) * | 1949-10-28 | 1951-09-18 | Celanese Corp | Treatment of paraformaldehyde |
| US2992277A (en) * | 1959-04-28 | 1961-07-11 | Du Pont | Paraformaldehyde manufacture |
-
1963
- 1963-11-14 DE DED42931A patent/DE1208887B/de active Pending
-
1964
- 1964-08-18 CH CH1078764A patent/CH444485A/de unknown
- 1964-08-24 NO NO154501A patent/NO116521B/no unknown
- 1964-08-26 SE SE10251/64A patent/SE320354B/xx unknown
- 1964-10-08 NL NL6411707A patent/NL6411707A/xx unknown
- 1964-10-15 GB GB42135/64A patent/GB1019486A/en not_active Expired
- 1964-11-12 US US410423A patent/US3316309A/en not_active Expired - Lifetime
- 1964-11-13 BE BE655767D patent/BE655767A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1208887B (de) | 1966-01-13 |
| NL6411707A (da) | 1965-05-17 |
| CH444485A (de) | 1967-09-30 |
| US3316309A (en) | 1967-04-25 |
| BE655767A (da) | 1965-03-01 |
| SE320354B (da) | 1970-02-09 |
| GB1019486A (en) | 1966-02-09 |
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