Clean honey bee birth

Clean coal produces very few toxic gases such as SO ₂ , NO ₂ , CO ... which were studied and produced successfully by Hoang Van Thuong in Hai Ba Trung district, Hanoi.

Honeycomb stoves are popular even in many big cities in Vietnam. (Photo: VNN)

Mr. Thuong is the head of Hoang Thuong household business in Hanoi Port, Thanh Luong Ward. About 13 years ago, he was introduced by a friend to a Japanese expert to Vietnam to find out the source of raw materials to produce clean coal. At first heard the word " clean coal ", Hoang Van Thuong is not understood and explained: It is the coal that when burning, the emissions like SO ₂ , NO ₂ , CO almost no longer, especially not used. substances for deodorization; Charcoal must burn quickly, easy to group, not like the honeycomb in Vietnam are using.

After understanding, he secretly investigate, research with the determination to produce clean coal. Some time later, he tested the first product but was disappointed: Coal fire fast but the smoke is still suspicious and the smell is strong.

How to eliminate all smells and smoke? A glimmer of hope came when he read the information in the book, which mentions plants that, when mixed with charcoal, burn off smells and smoke. After 13 years of physical and material consumption, Mr. Hoang Van Thuong was rewarded with the improvement of his clean coal products.

30/10 last day, the clean coal Hoang Van Thuong he was Technical Center 1 (General Department of Quality Measurement Standards) test components SO _2, NO _2, CO and dust, result These substances are below the permitted levels many times.

Clean coal will completely overcome the shortcomings of the current honeycomb as fast burning, the emissions and dust are almost no longer. Only one quarter of the paper is charcoal, no need for firewood or electric cookers. The life of coal is 3-5 hours. The product does not contain deodorant.

Thuong also produces clean coal 5-10 kg for industrial plants and export.