Sari, Amelia Puspita (2025) Pabrik Urea Formaldehid Dari Urea Dan Formaldehid Dengan Proses Kontinyu. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
A Urea Formaldehyde plant with a capacity of 45,000 tons/year will be established in the JIIPE industrial area in Gresik, operating continuously 24 hours per day for 330 days per year and using urea (99.95%) and formaldehyde (37%) as raw materials. Urea formaldehyde is widely used as an adhesive in plywood, MDF, particleboard, furniture, and construction materials. The continuous production process involves two reaction stages: methylolation under alkaline conditions (pH 9) to form dimethyl urea, followed by condensation under acidic conditions (pH 3) to produce UF resin at 80°C and 1 atm. The product is then neutralized, concentrated at 45°C and 0.2 atm, dried using a spray dryer to obtain ±180-micron powder, and milled to 100 mesh.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TP Chemical technology > TP155 Chemical engineering | ||||||||
| Divisions: | Faculty of Engineering > Departement of Chemical Engineering | ||||||||
| Depositing User: | AMELIA PUSPITA SARI | ||||||||
| Date Deposited: | 04 Nov 2025 02:28 | ||||||||
| Last Modified: | 04 Nov 2025 02:28 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/46082 |
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