SERING PAKE, TAPI GAK TAU PROSESNYA? TERNYATA BEGINI TAHAP PEMBUATAN KERTAS DARI AWAL HINGGA AKHIR

Summary

The video explains the intricate process of paper-making, starting from the selection of raw materials like high-fiber, low-moisture wood such as pine and acacia. The process includes cutting, peeling, and chipping wood, followed by cooking it in a digester to create pulp. The pulp is then refined, cleaned, and shaped into paper sheets through various stages including dewatering, pressing, drying, and finishing. The video highlights how paper production has evolved over time and provides a fascinating look at the steps involved in transforming wood into the everyday paper products we use.

Takeaways

• 😀 Paper is a common item used daily, yet many people are unaware of the process of its production.
• 🌳 Paper is typically made from wood, especially from trees with high fiber content and low moisture, like pine and fir trees in America, and eucalyptus in Spain and Australia.
• 🌱 In Indonesia, acacia wood is mainly used for paper production due to its fast-growing cycle and high-quality fiber suitable for paper manufacturing.
• 🛠 The first step in paper production involves making pulp or paper slurry from wood, which is softened and processed.
• 🔪 Wood is chopped, the bark is removed, and the pieces are sized for further processing in a machine called a shipping machine.
• 🔥 The wood chips are cooked in a digester to separate the fibers from lignin, resulting in a slurry known as pulp.
• 💧 After pulping, the slurry is refined and cleaned to remove impurities using a cleaner machine before being heated in the headbox to form paper sheets.
• 💦 The paper sheet formed in the headbox is called 'wet paper' and undergoes a pressing stage to remove excess water, reaching a 50% solid content.
• 🔥 The paper then passes through a drying stage where the water content is reduced to just 6%.
• 🎉 The final stage involves finishing the paper, rolling it into large rolls, and preparing it for further use, depending on its intended application.
• 📚 The entire paper production process is complex, involving multiple steps from raw wood to the finished product, demonstrating the effort required to create a simple sheet of paper.

Q & A

What is the main material used in the production of paper?

Paper is primarily made from wood, particularly from trees with high fiber content and low moisture content, such as pine, fir, and eucalyptus trees.

Why is acacia wood commonly used for paper production in Indonesia?

Acacia wood is chosen for paper production in Indonesia because it has a fast harvest cycle and its fibers are ideal for making paper, especially for producing writing paper, packaging, and office paper.

What is the first step in the paper production process?

The first step involves creating wood pulp or paper slurry by harvesting wood, which is then stored for several months to soften before further processing.

How is the bark of the wood removed during paper production?

The bark of the wood is removed using a peeling machine, and the wood is then cut into small chips, which are the ideal size for the next stage of processing.

What happens to the wood chips after they are processed in the digester?

The wood chips are cooked in a digester to separate the wood fibers from the lignin, resulting in a pulp that is used to create paper.

What is the role of the 'cleaner' in the paper production process?

The cleaner is used to remove impurities from the pulp before it moves on to the next stage in the production process.

How is the paper sheet formed during production?

The pulp is fed into a headbox, where it is spread evenly on a mesh table. The table helps remove excess water, shaping the pulp into a sheet of wet paper.

What happens to the paper after it has been formed and is still wet?

The wet paper then goes through a press stage where water is squeezed out, and the paper's consistency reaches about 50% solid content.

What is the role of the dryer in the paper-making process?

The dryer removes the remaining moisture from the paper, ensuring that the paper reaches a dryness level of about 6% before it moves on to the finishing stage.

What happens during the finishing stage of paper production?

During the finishing stage, the dried paper is wound into large rolls, which are then further processed depending on the intended use of the paper.