Phosphate (PO<sub>4</sub><sup style="margin-left:-9px;">3-</sup><span style="font-family:Verdana;">) and Nitrate (NO<sub>3</sub><sup style="margin-...Phosphate (PO<sub>4</sub><sup style="margin-left:-9px;">3-</sup><span style="font-family:Verdana;">) and Nitrate (NO<sub>3</sub><sup style="margin-left:-9px;">-</sup></span><span style="font-family:Verdana;">) are two main nutrients that cause wa</span><span style="font-family:Verdana;">ter eutrophication. In the other hand, the presence of PO<sub>4</sub><sup style="margin-left:-9px;">3-</sup></span><span style="font-family:Verdana;"> </span><span style="font-family:Verdana;">and NO<sub>3</sub><sup style="margin-left:-9px;">-</sup></span><span style="font-family:Verdana;"> is </span><span style="font-family:Verdana;">needed for plant growth. The aims of this study </span><span style="font-family:Verdana;">are </span><span style="font-family:Verdana;">to recycl</span><span style="font-family:Verdana;">e</span><span style="font-family:Verdana;"> Spent Coffee Ground (SCG) modified with calcium hydroxide for adsorption PO<sub>4</sub><sup style="margin-left:-9px;">3-</sup></span><span style="font-family:Verdana;"> </span><span style="font-family:Verdana;">and NO<sub>3</sub><sup style="margin-left:-9px;">-</sup></span><span style="font-family:Verdana;">. The optimum adsorption capacity for PO<sub>4</sub><sup style="margin-left:-9px;">3-</sup></span><span style="font-family:Verdana;"> </span><span style="font-family:Verdana;">and NO<sub>3</sub><sup style="margin-left:-9px;">-</sup></span><span style="font-family:Verdana;"> is 36.74 mg/L and 20.21 mg/L, respectively. The Freundlich isotherm model was suitable for PO<sub>4</sub><sup style="margin-left:-9px;">3-</sup></span><span style="font-family:Verdana;"> </span><span style="font-family:Verdana;">and NO<sub>3</sub><sup style="margin-left:-9px;">-</sup></span><span style="font-family:Verdana;"> adsorption. The kinetic model for adsorption was linear using Pseudo-second order. The application of modified SCG after enrich</span><span style="font-family:Verdana;">ment with PO<sub>4</sub><sup style="margin-left:-9px;">3-</sup></span><span style="font-family:Verdana;展开更多
文摘Phosphate (PO<sub>4</sub><sup style="margin-left:-9px;">3-</sup><span style="font-family:Verdana;">) and Nitrate (NO<sub>3</sub><sup style="margin-left:-9px;">-</sup></span><span style="font-family:Verdana;">) are two main nutrients that cause wa</span><span style="font-family:Verdana;">ter eutrophication. In the other hand, the presence of PO<sub>4</sub><sup style="margin-left:-9px;">3-</sup></span><span style="font-family:Verdana;"> </span><span style="font-family:Verdana;">and NO<sub>3</sub><sup style="margin-left:-9px;">-</sup></span><span style="font-family:Verdana;"> is </span><span style="font-family:Verdana;">needed for plant growth. The aims of this study </span><span style="font-family:Verdana;">are </span><span style="font-family:Verdana;">to recycl</span><span style="font-family:Verdana;">e</span><span style="font-family:Verdana;"> Spent Coffee Ground (SCG) modified with calcium hydroxide for adsorption PO<sub>4</sub><sup style="margin-left:-9px;">3-</sup></span><span style="font-family:Verdana;"> </span><span style="font-family:Verdana;">and NO<sub>3</sub><sup style="margin-left:-9px;">-</sup></span><span style="font-family:Verdana;">. The optimum adsorption capacity for PO<sub>4</sub><sup style="margin-left:-9px;">3-</sup></span><span style="font-family:Verdana;"> </span><span style="font-family:Verdana;">and NO<sub>3</sub><sup style="margin-left:-9px;">-</sup></span><span style="font-family:Verdana;"> is 36.74 mg/L and 20.21 mg/L, respectively. The Freundlich isotherm model was suitable for PO<sub>4</sub><sup style="margin-left:-9px;">3-</sup></span><span style="font-family:Verdana;"> </span><span style="font-family:Verdana;">and NO<sub>3</sub><sup style="margin-left:-9px;">-</sup></span><span style="font-family:Verdana;"> adsorption. The kinetic model for adsorption was linear using Pseudo-second order. The application of modified SCG after enrich</span><span style="font-family:Verdana;">ment with PO<sub>4</sub><sup style="margin-left:-9px;">3-</sup></span><span style="font-family:Verdana;
