Process Flow Chart
-
Step 01
waste paper -
Step 02
pulper -
Step 03
Floatater1 -
Step 04
Screen -
Step 05
Cleaner -
Step 06
Concen
tration1 -
Step 07
Disperser -
Step 08
Bleaching -
Step 09
Floatater2 -
Step 10
Concen
tration2
-
Step 01
Waste paper -
Step 02
pulper -
Step 03
Highly concentrated cleaner -
Step 04
Screen -
Step 05
Cleaner -
Step 06
Concentration -
Step 07
Refiner
About Processes
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- DIP process
- DIP process refers to the process where waste newspaper is converted into recycled pulp after the foreign substances and the ink from the printed matter are removed.
1. Pulping- Pulping refers to the process where the ink particles dispersed into fiber are peeled after using mechanical and chemical methods to separate fiber from waste paper.
2. De-inking- De-inking refers to the process where the peeled fiber slurry is diluted with water and reduces concentration to allow only the ink particles to be extracted along with the absorbed bubbles.
3. Screen&Cleaning- Screening refers to the process where foreign substances, such as wood pieces, sand particles, adhesive materials and metal pieces, dispersed into peeled waste paper are separated from recycled pulp.
4. Dispersion- Dispersion refers to the process where mechanical friction is applied to fiber at high temperature to finely disperse residual ink particles and adhesive substances as well as to improve the quality of the products produced.
5. Bleaching- Bleaching refers to the process where bleach is added to enhance the whiteness of waste paper pulp.
6. Concentration- Concentration refers to the process where the low-concentration raw material is concentrated to remove its residual chemicals, anion trash, etc..
- Concentration is divided into three: PDF used for concentrating the raw material at 10%, and DWP and Screw Press used for concentrating the raw material at 30%.
-
- OCC process
- OCC process refers to the process where box-type waste paper is peeled and converted into recycled pulp after the foreign substances are removed.
1. Pulping- Pulping refers to the process where the ink particles dispersed into fiber are peeled after using mechanical and chemical methods to separate fiber from waste paper.
2. Screening- Screening refers to the process where foreign substances, such as wood pieces, sand particles, adhesive materials and metal pieces, dispersed into peeled waste paper are separated from recycled pulp.
3. Concentration- Concentration refers to the process where the low-concentration raw material is concentrated to remove its residual chemicals, anion trash, etc..
4. Refining- Refining refers to the process where a double-disk refiner is used to apply mechanical force to fibrilize the fiber surface.
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- Approach Process
- Approach process refers to the process where the raw materials for paper are produced through mixing the recycled pulp resulting from the DIP and OCC processes with the pulp resulting from the UKP process at a certain rate.
1. Pulping- Pulping refers to the process where a pulper and white water are used to mechanically convert each imported pulp into fiber slurry.
2. Mixing- Mixing refers to the process where raw materials, such as DIP, SKP and TMP, are mixed at a rate determined according to the type of paper produced in each PM and are sent to the paper-making process after adding supplementary chemicals(ALUM, Dry(wet) strength agent, fixative, fixing agent and dye) in a way suitable for each production process.
About Our Facilities
| Type | Facility | Maximum Paper Width (mm) | Maximum Speed (m/min) | Basic Weight (g/m2) | Daily Capacity (MT/D) |
|---|---|---|---|---|---|
| Gunsan Factory | PM 1 | 4,728 | 880 | 50 ~ 200 | 300 ~ 560 |
| Chungju Factory (Natura Paper) |
PM 1 | 6,304 | 1,300 | 46 | 550 |
