On June 13, 2007, the National Office of Intellectual Property - Ministry of Science and Technology issued the Decision No.38533/QD-SHTT on granting the exclusive certificate of utility solution No.1527: "The catalyst used to remove oxygen from bio-oil (biomass pyrolysis oil) using hydrogen and the process of hydrodeoxygenation of bio-oil by using this catalyst."

This is the result of a research work conducted by Dr. Phan Minh Quoc Binh - Deputy Director of Vietnam Petroleum Institute (VPI) and the other authors of Petrovietnam Research and Development Center for Petroleum Processing (PVPro). The authors studied the catalyst used in the conversion of oxygen-rich compounds in bio-oil based on the ability to increase metabolic efficiency, and the selective separation of oxygen and hydrodeoxygenation of bio-oil.

This catalyst contains: (i) Active phase mixture consisting of NiO (2-6% by weight) and MoO3 (10-30% by weight); (ii) modification phase as Pt (0.1-1% by weight) and (iii) carrier material as SBA-15  (60-88% by weight). This catalyst, after being activated for 1 hour in 350C hydrogen gas, will be charged to the bio-oil; deoxidation is carried out by a process of removing heterogeneous objects in the liquid phase, stirred with hydrogen. After the reaction, the catalyst is separated from the liquid mixture by a reduction reaction (temperature at 250-300C, pressure at 5-10 MPa, duration at 1-3 hours) to recover the product. This utility solution also proposes a production process of this catalyst. This solution makes it easy to remove oxygen from high-temperature bio-oil with a high efficiency, increase the quality of bio-oil, and also improve the practical application of alternative oil products.

Biomass is considered a sustainable and environmentally friendly alternative energy source that can be utilized to produce heat, steam, electricity, or be converted into other energy forms such as liquid fuel and synthetic gas. Biomass pyrolysis oil (also known as bio-oil or biofuel) contains a large amount of oxygen that is attached to the hydrocarbon chain, with a low calorific value (50% less than traditional fuel oil). There are several approaches to improving the quality of bio-oil, including hydrodeoxygenation - HDO, in the presence of a catalyst that increases oxygen uptake, increases hydrocarbon yield, and results in a product which is easily blended with raw materials in the refinery's workshops.

For further information, please contact: Dr. Phan Minh Quoc Binh, Ha Luu Manh Quan, Ngo Thuy Phuong - Center for Research and Development of Petroleum Processing (PVPro), Vietnam Oil and Gas Institute

No. 4 Nguyen Thong, Ward 7, District 3, Ho Chi Minh City; Tel: 028.39303323; Fax: 028.39307546.