Predicting the agglomeration and breakage of solid particles is important when designing a compact efficient water purification process. A coupled computational fluid dynamics model presented where population balance equation applied to track particle size distribution for periodic turbulent pipe flow with 180° bends Reynolds numbers 15,000<Ref<35,000 bend radii rB=dh,rB=1.5dh rB=2.5dh. The cri...

Many substances of plant origin are extracted for use in the primary treatment domestic wastewater. In most cases, they used as coagulating and flocculating agents derived from seeds, leaves, bark or sap, roots, fruits trees plants. this research, Cassia fistula seed was evaluated removal turbidity color wastewater a pumping station city Cartagena (Colombia). The optimal dose C. powder determin...

In this study, short-term experiments were conducted with different configurations of membrane hybrid systems to treat biological treated sewage effluent containing refractory organic pollutants: (i) submerged hollow fiber microfiltration (SMF) alone; (ii) spiral flocculator (SF)-SMF without settling; (iii) SF-PAC-SMF without settling and (iv) SMF with magnetic ion exchange resin MIEX pretreatm...

Coagulants can be extracted from vegetal material and applied in the treatment of wastewater. These coagulants are derived seeds, leaves, bark, roots fruits. This study focuses on use mucilaginous extract Stenocereus griseus (known as Cardón Guajiro) for removal biochemical oxygen demand (BOD5), chemical (COD), total solids, turbidity color domestic wastewater a pumping station city Cartagena (...

The high abundance of transparent exopolymer particles (TEP) in marine and freshwater greatly affects particle dynamics. TEP act as glue for colliding particles and form the matrix in aggregates, thereby altering aggregation dynamics. We studied the sinking behavior of freshly produced, particle-free TEP and of aggregates composed of TEP and latex spheres in a laboratory using water collected f...