Patent ID: 8618325
Filing Date: 2013-12-31
Classification: C07C,C10J,C10L,Y02E,Y02P

Abstract:
1. A method for producing urea from bio-mass, the method comprising the steps of: (i) cleaning a bio-mass feedstock to remove non-organic matter, the cleaned bio-mass feedstock including no more than 1% non-organic matter by weight; (ii) blending the cleaned bio-mass feedstock to obtain a homogeneous blend; (iii) pelletizing the blended bio-mass feedstock to a substantially uniform size; (iv) pulverizing the pellets to a fine particle size of 1 mm or less; (v) gasifying the pulverized pellets in a gasifier to create a syngas stream while maintaining a constant temperature of the gasifier within ±25° C.; (vi) removing a CO (vii) compressing the CO (viii) providing an NH (ix) combining the compressed CO