Than to ong sach ra doi

Loai than sach tao ra rat it cac khi thai doc hai nhu SO2, NO2, CO... da duoc anh Hoang Van Thuong o quan Hai Ba Trung, Ha Noi, nghien cuu va san xuat thanh cong.

Bep than to ong rat pho bien ngay ca o nhieu thanh pho lon o Viet Nam.

Anh Thuong la chu ho kinh doanh ca the Hoang Thuong tai Cang Ha Noi, phuong Thanh Luong. Khoang 13 nam ve truoc, anh duoc nguoi ban gioi thieu voi mot chuyen gia Nhat sang Viet Nam tim hieu nguon nguyen lieu de san xuat than sach. Luc dau nghe noi den tu "than sach", Hoang Van Thuong chua hieu va duoc giai thich: Do la loai than ma khi chay, cac khi thai nhu SO2, NO2, CO gan nhu khong con, dac biet khong dung hoa chat de khu mui; than phai chay nhanh, de nhom chu khong phai nhu than to ong o Viet Nam dang dung.

Sau khi da hieu, anh Thuong am tham tim toi, nghien cuu voi quyet tam san xuat ra than sach. Mot thoi gian sau, anh cho thu nghiem san pham dau tay nhung that that vong: Than chay nhanh nhung khoi van nghi ngut va mui nong nac.

Lam the nao de khu duoc het mui va khoi? Mot tia hy vong xuat hien khi anh doc duoc thong tin trong quyen sanh co noi den nhung loai cay neu tron cung voi than khi dot se khu duoc mui va khoi. Sau 13 nam tieu hao suc luc va vat chat, anh Hoang Van Thuong duoc den dap bang su hoan thien san pham than sach cua minh.

Ngay 30/10 vua qua, san pham than sach cua anh Hoang Van Thuong da duoc Trung tam ky thuat 1 (Tong cuc tieu chuan do luong chat luong) kiem nghiem cac thanh phan SO2, NO2, CO va bui, ket qua cac chat nay deu o duoi muc cho phep rat nhieu lan.

Than sach ra doi se khac phuc triet de nhung khiem khuyet cua cac than to ong hien nay nhu do chay nhanh, cac khi thai va bui co gan nhu khong con. Chi can 1/4 to bao la than chay, khong can nhom bang cui hoac bep dien, tuoi tho chay cua than van duoc 3-5 gio. San pham khong co hoa chat khu mui.

Anh Thuong cung san xuat loai than sach 5-10 kg phuc vu cac nha may cong nghiep va xuat khau.

Theo VnExpress