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Stone paper production. Stone paper - durable and environmentally friendly

Nowadays, one of the most pressing topics of conversation is the preservation of the environmental situation on the planet. People are constantly building factories, various machines and mechanisms that highlight harmful substances, are slowly but surely polluting the environment. For example, millions of cars traveling around the world daily emit enormous amounts of gases harmful to the atmosphere. For the same reason, in large (especially industrial, where, in addition to cars, there are many factories and factories) cities it is so difficult to breathe.

But not everything is as bad as it seems at first glance. After all, nature itself is designed in such a way that it is capable of self-cleaning after our activities. And the main “army” in the fight against air pollution is plants. Grass, flowers, shrubs and, of course, mighty trees are our protectors, who allow us to live on our planet. Without them, the air would become dirty, unsuitable for existence, and the Earth would quickly turn into something like Mars.

The scary thing is that humanity is making very little effort to protect forests. Trees are ruthlessly cut down for various needs. They are used to make furniture, matches, building materials, firewood for stoves and fireplaces, etc. But in our age of new technologies, in almost any area of ​​production you can find a replacement for wood, which will bring invaluable benefits to the nature of our planet. Yes, it turns out that even paper nowadays can be made not only from wood, but also from other common materials.

Production stone paper and products from it

To produce such a popular material as paper, it is not necessary to use wood. After all, it can even be made from stone. The new technology for manufacturing paper sheets and entire Repap products from the Italian manufacturer of unusual accessories Ogami can create a real revolution in the production of books, magazines, notebooks, notepads and other paper products. After all, all this can be made without the use of wood at all.

Repap paper consists of 80% calcium carbonate and 20% non-toxic resin with some polymers. The unusual production process looks something like this. Calcium carbonate is the main material from which limestone is made, a widespread mineral of which natural reserves are simply enormous. The mineral is mined, processed and ground to a powder. Next, special resins and polymers are added to it. From the resulting mixture, through certain technological operations, Repap stone paper is obtained. In appearance and texture, it is no different from traditional wood paper. It is just as white, you can write on it, draw on it, you can make cranes or airplanes out of it, you can wrap anything in it. And after use, you can crumple it and throw it away like regular paper. You can write and draw on this paper with ordinary ballpoint pens, felt-tip pens, pencils, paints, etc.

In addition, stone paper has a certain set of advantages that make its production even more promising. Firstly, such products are more durable and have some moisture-proof properties, which makes them more convenient for use, for example, in outdoor conditions. Yes, and in terms of storage and transportation there will be less problems. Secondly, there is no need to cut down trees. This, in turn, will have a beneficial effect on the health of our planet, which is good news. Thirdly, no harmful chemicals are used in the production of stone paper. chemicals, which are commonly used to bleach sheets in the production of wood-based paper. Fourthly, limestone is a very common mineral, which can have a positive effect on the cost of products made from it.

Stone paper planners available today

Repap technology is not something elusive and unattainable for the average buyer. After all, today we all have a chance to purchase and try out stone paper notebooks from the Ogami company. Their cost is about 500 rubles in our money. Expensive? Yes, it is relatively expensive, because for about the same amount you can buy the legendary Moleskine. But the technology for making stone notebooks is still young. Time will pass, and products made from limestone paper will become as accessible as the “wooden” notepads we are used to. At least I want to believe so. In the meantime, we can only wait and hope that new technology will find its application in modern world and will make our planet at least a little cleaner.

Opened a plant for the production of limestone paper under the Limex brand. Her main product- “unkillable” business cards, writes Bloomberg Technology.

TBM Head Nobuyushi Yamasaki | Photo: Tomohiro Ohsumi/Bloomberg

The head of TBM, Nobuyoshi Yamasaki, left school at 15, worked as a carpenter, and then created a company selling used cars. One day, while on vacation in Europe, he was amazed by ancient buildings that had stood for centuries.

“I wanted to end my entrepreneurial career and leave behind a company that would last hundreds of years,” he tells Bloomberg Technology.

In 2008, Nobuyushi learned that Taiwan had invented a technology for making paper from stone, and decided to build a business on it.

TBM's main product is business cards, which are very popular in Japan. However, they are not printed on regular paper, but on Limex, made from limestone. It has a glossy surface, does not absorb water, is very difficult to tear or wrinkle, and can be written on even under water.

According to Nobuyushi Yamasaki, his product will help save nature. Where 20 trees need to be cut down to produce regular paper, his company uses less than a ton of limestone and 200 kg of polyolefin, sources of which are practically inexhaustible.

Also, Limex does not require water to make, whereas a ton of regular paper requires 100 tons of water.

Thus, Yamasaki concludes, in the near future, the popularization of Limex will significantly reduce the intensity of deforestation, and will also “play an important role in those regions where there is a problem of water shortage.”

According to the entrepreneur, the technology will become especially important in 10 years, when the global demand for paper, according to analysts, will double.

Example of TBM products | Photo: Tomohiro Ohsumi/Bloomberg

The plant opened in February 2015, but the first “stone” paper was produced only last summer. Now TBM has received a contract to produce “unkillable” menus for a chain of sushi restaurants owned by Sushiro Global Holdings.

The entrepreneur plans to open hundreds of factories in regions rich in limestone, such as Morocco and California. Currently, TBM, which has already managed to attract just over $9 million in investments, has 80 employees. IN next year the company plans to earn a billion yen.

Yamasaki's ultimate goal is to grow his enterprise into a company generating 1 trillion yen annually by the mid-2030s. This is still only a small part of the income of the largest Japanese manufacturers of plain paper.

Finally, we note that not all experts share Yamasaki’s enthusiastic words. Thus, according to Yasuhiro Nakada, an analyst at Mitsubishi UFJ Morgan Stanley Securities, the popularization of Limex, on the contrary, will only harm the environment.

“Producing paper from wood chips involves planting trees, so I don’t know how attractive Limex will be from an environmental point of view,” the expert believes.

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Eco-friendly stone paper, which can replace wood pulp paper, is composed of approximately 80% calcium carbonate (CaCO3) and 20% non-toxic polymer. It is more resistant to moisture, heat, fire, grease, chemicals and insects. Absorbs 20% less ink compared to traditional paper.

Brief characteristics of stone paper:

Stone paper (other names: limestone or mineral) is a combination of calcium carbonate with non-toxic polymer HDPE. By appearance it is similar to traditional paper. But in its properties and qualities it is significantly superior to ordinary paper made from wood. It is bright white in color and soft to the touch.

Stone paper contains approximately 80% calcium carbonate (CaCO3) and 20% non-toxic polymer, which is used as a binder. To make such paper, calcium carbonate powder is used, which is obtained by grinding ordinary limestone to a dust state, and binds it with non-toxic synthetic resin HDPE (high-density polyethylene).

Regular paper made from trees also contains calcium carbonate. But its content is small - no more than 20-30%.

Paper made from stone does not require water, acids, bleaching or wood, so its introduction will reduce deforestation on the planet.

Advantages of stone paper:

– less energy is used for manufacturing,

– No harmful chemicals (acids, bleaches, etc.) are used in the production of stone paper.

– stone paper has eco-friendly composition and safety for nature,

– materials available in large quantities for production,

– can be completely recycled for new use,

– more resistant to moisture, heat, fire, grease, chemicals and insects,

– more tensile strength,

– absorbs 20% less ink compared to traditional paper,

– eliminating the cutting down of trees and forests on the planet for paper production,

– durable, waterproof, tear-resistant material,

– suitable for recycling and disposal,

– does not decompose by microorganisms, but in nature quickly decomposes into basic components,

– resistant to abrasion,

– does not contain chlorine, acids,

– characterized by fat resistance,

- ease of production. The production of stone paper eliminates a number of technological operations and complex, expensive equipment.

Comparison of the production of different types of paper:

Production of pure traditional paper: Production of recycled traditional paper from waste: Production of paper from stone:
The production of 1 ton requires 20 trees and 38,000 kJ of energy. Bleach is used. The production of 1 ton requires 4 trees and 23,000 kJ of energy. Bleach is used. The production of 1 ton requires 0 trees, 12,000 kJ of energy. No bleaches or reagents are used.
73 m3 of contaminated water is produced as waste. 41 m3 of contaminated water is produced as waste. No waste.

Stone paper can apply:

– for production packages, packaging;

– for the production of books, notebooks, magazines, envelopes, etc.;

– for printing and advertising applications;

– for outdoor use (with added UV protection).

Prospects for the use of stone paper:

Calcium carbonate is one of the common materials on Earth. It is obtained both as an independent raw material during mining and as waste.

At the same time, deforestation on the planet - environmental problem for all humanity.

Deforestation greatly leads to negative consequences: some species of flora and fauna are disappearing, increasing natural disasters(temperature increases, intensifies greenhouse effect, floods become frequent, etc.). Areas left without forest as a result of deforestation become deserts, since the loss of trees leads to the fact that the thin fertile layer of soil is easily washed away by precipitation.

Using stone paper will solve this problem and improve the environmental situation on planet Earth.

Note: © Photo by https://www.pexels.com.

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  • The OGAMI brand was created for the development and production of everyday items. OGAMI notebooks and notebooks have their own original style, highest level execution thanks to innovative materials, finishing and technological solutions. OGAMI products are presented in the most exclusive stationery and book stores, designer boutiques and museums.


    OGAMI is REPAP - paper made 100% from stone

    REPAP is paper made 100% from stone! The word "Repap" itself is "Paper" written backwards.
 This innovative, revolutionary paper consists of calcium carbonate (stone) combined with non-toxic resins. As a result, this provides natural material white, which provides an amazing, incomparable experience of very smooth, clear, almost airy writing. Calcium carbonate is natural by-product water and limestone (one of the most common minerals is already widely used in many industries).



    Some facts about stone paper

    • 
 No wood or cellulose is used in the production process

    • No water is used in the production process

    • The color of the raw material is naturally white, so production does not require chemical bleaching and the use of acids, so there is no toxic waste

    • Stone paper can be recycled
    • Stone paper is great for archival document storage
    • Stone paper is environmentally friendly - the decomposition period is natural environment— 14-18 months.
    • 100% waterproof (and ideal for writing with fountain pens!)
    • Very resistant to tearing, stretching and weathering. Many times more durable than regular paper
    • Has a very soft, silky surface
    • Provides an amazing writing experience - crisp, smooth writing with gel, ballpoint and fountain pens, rollerballs, markers and pencils
    • And you can still get the satisfaction of rock paper by tearing out a piece of paper, crumpling it up like regular paper, and throwing it in the trash!
    • In addition, REPAP has the advantage over traditional paper in that it is resistant to yellowing and insect damage
    • You can trust REPAP to protect all your important documents and images

    In early 1990, a Taiwanese company developed a technology for making paper from stone to save trees and patented it.

    Paper is made from waste from the mining and processing of various rocks and is durable and water resistant.

    Executive Director of the company “Mongol Chuluun Tsaas”, B. Dorzhsuren says that this technology has already been successfully used in more than 40 countries around the world.

    B. Dorzhsuren

    Paper production is a necessary business, but it has a detrimental effect on the environment. Trees are destroyed, water is polluted, and large number energy. Considering that preserving the green cover of the planet is one of most important tasks humanity, become very relevant alternative ways paper production. Therefore, this technology has aroused great interest among Mongolian entrepreneurs.

    The basis for such paper is calcium carbonate. Note that it is also contained in regular paper, but in smaller quantities. Calcium carbonate is obtained from minerals that are most often discarded during the extraction of raw materials used in the construction industry. That is, for production new paper waste from the extraction of limestone, marble, and so on is used. The rock is crushed until it turns into fine chalk dust. Then non-toxic synthetic resin HDPE is added to it - this is high-strength polyethylene to bind dust particles. The resulting mass contains 80% calcium carbonate and 20% HDPE. The output is snow-white, smooth and soft paper that is resistant to water and abrasion.

    This paper does not contain acids or chlorine, it is completely safe for environment. This paper is grease-resistant and almost does not tear.

    Its production is environmentally friendly because calcium carbonate is taken from mining waste, and this resource is renewed much more quickly. Since the paper is made from stone, it is not biodegradable. When exposed to ultraviolet light (such as the sun) and moisture, high-density polyethylene breaks down in about a year, returning calcium carbonate to a solid form. For example, eggshell 95% consists of calcium carbonate, and decomposes in the same way. In addition, the process of producing stone or, as it is also called - synetic, limestone, mineral paper - does not require cutting down trees.

    According to B. Dorzhsuren, All the raw materials necessary for production are located in the Erdenet Mining and Processing Plant. For years, people have complained about white dust near the Erdenet mining and processing plant, threatening the health of residents in the area and the local ecosystem. The problem of dust generated during rock processing has been repeatedly discussed in the press.

    A new company can solve this problem in the best possible way and with great benefit for the environment.

    There are several stone paper brands currently available, such as FiberStone, Terraskin, and Rockstock. Soon the Mongolian brand will be on a par with them" Mongol Chuluun Tsaas", which means "Mongolian stone paper" or "Mongolian stone paper".

    Note that to produce 1 ton of clean paper, it takes 20 trees, 38,000 kJ of energy, produces 73 cubic meters of contaminated water, uses bleaches, and contains only 20-30% calcium carbonate (rock).

    Producing 1 ton of recycled paper requires 4 trees, 23,000 kJ of energy, creates 41 cubic meters of contaminated water, uses bleaches, and contains 20-30% calcium carbonate (rock).

    Making 1 ton of paper from stone requires no wood, creates absolutely no dirty water, and uses half the energy needed to make recycled paper or a third of the energy to make 1 ton of clean paper. Mineral paper production does not use bleaching reagents and does not pollute the atmosphere.

    The most important thing is that the trees remain unharmed. This means that the production of such paper can save millions of hectares of forest.

    Stone paper is suitable for all types of printing: you can print everything on it that you can print on regular paper.