Deadly mystery of honeycomb super coal

Just light a fire on a sheet of paper, you can also get a fire-burning beehive. Moreover, the cooking time is up to nearly 4 hours, compared with 2-3 hours of regular honeycomb coal. But in fact it has been added additives, which when burning very dangerous.

Compared to common honeycomb coal, super-burnt beehive coal is about 500 VND more expensive but much more convenient in cooking. Ms. Nguyen Thi Tuoi, the owner of a restaurant in De La Thanh Street, Hanoi, said: 'Just burning a sheet of paper can collect this honeycomb coal stove. Moreover, the cooking time is longer. ' However, she also added: ' This charcoal burns a strong smell, it is very uncomfortable, the cook will feel a bit puffy and have trouble breathing if you have to sit for a long time in the coal stove '.

Learn about the super-burnt secret of this special honeycomb coal, the owners of super-burnt coal production in Phuc Tan and Ngoc Thuy wards, Long Bien district all claim that their honeycomb coal is only mixed with mud. In addition, there are no other compounds that are toxic to humans. However, contrary to that answer, there are a variety of cans, barrels containing lubricants for coal production.

Quy (Ha Tay village) - a man who used to work as a super-fire coal maker has now retired, revealing: 'The main secret lies in these lubricants'. Quy added: 'The amount of lubricant oil in coal production facilities is bought from shops repairing and maintaining cars and motorbikes in the city for about 10,000 - 20,000 VND / can of 20 liters. After bringing it back, the oil will be mixed with soil mud, coal with a certain ratio, then put into a machine to burn honeycomb super coal. This type of coal is very hot, burning.

Compared to conventional honeycomb coal , super-burnt beehive coal is even more toxic because in the waste oil from cars and motorbikes, it contains a lot of heavy toxic metals such as arsenic, chromium, and burning metal products. Incomplete fire . In countries with developed industries, used lubricants are strictly controlled by the authorities and production facilities. The amount of waste oil will be used to recycle, or burn, but the incineration process must take place in the condition of ensuring that toxic substances do not affect the environment and human health.

Every day, the amount of super-burnt coal is an army of coal vendors, carried around the residential areas, crowded dormitories, with old cyclo and mountain bike. For them, superheated honeycomb coal is a product that attracts tourists, easily dominates the market. This is also the reason why the super-burnt coal production facilities are growing more and more in areas such as Long Bien, Chuong Duong, Thanh Xuan roars . the latter is always more monumental than the before.