A fluid purification system comprising: (a) a first purification module comprising a first ceramic membrane element, the first ceramic membrane element comprising a first substrate and a first membrane, wherein the first purification module is configured: (i) to receive a contaminated media feed comprising contaminant particles and contaminant ions, (ii) to remove from the contaminated media particles on the basis of size, and (iii) to form a first partially purified permeate; (b) a second purification module comprising a second ceramic membrane element, the second ceramic membrane element comprising a second substrate, a second membrane, and a first dopant configured to provide for a first net charge without applying electric current, wherein the second purification module is configured: (i) to receive the first partially purified permeate from the first ceramic membrane element, (ii) to remove from the first partially purified permeate contaminants having the first net charge, and (iii) to form a second partially purified permeate; and (c) a third purification module comprising a third ceramic membrane element, the third ceramic membrane element comprising a third substrate, a third membrane, and a second dopant configured to provide for a second net charge without applying electric current, wherein the third purification module- is configured: (i) to receive the second partially purified permeate from the second ceramic membrane element, (ii) to remove from the second partially purified permeate contaminants having the second net charge, and (iii) to form an output fluid comprising lower concentrations of particles and lower concentrations of ions than the contaminated media feed, wherein the first net charge has the opposite polarity of the second net charge. (a) a first purification module comprising a first ceramic membrane element, the first ceramic membrane element comprising a first substrate and a first membrane, wherein the first purification module is configured: (i) to receive a contaminated media feed comprising contaminant particles and contaminant ions, (ii) to remove from the contaminated media particles on the basis of size, and (iii) to form a first partially purified permeate; (i) to receive a contaminated media feed comprising contaminant particles and contaminant ions, (ii) to remove from the contaminated media particles on the basis of size, and (iii) to form a first partially purified permeate; (b) a second purification module comprising a second ceramic membrane element, the second ceramic membrane element comprising a second substrate, a second membrane, and a first dopant configured to provide for a first net charge without applying electric current, wherein the second purification module is configured: (i) to receive the first partially purified permeate from the first ceramic membrane element, (ii) to remove from the first partially purified permeate contaminants having the first net charge, and (iii) to form a second partially purified permeate; and (i) to receive the first partially purified permeate from the first ceramic membrane element, (ii) to remove from the first partially purified permeate contaminants having the first net charge, and (iii) to form a second partially purified permeate; and (c) a third purification module comprising a third ceramic membrane element, the third ceramic membrane element comprising a third substrate, a third membrane, and a second dopant configured to provide for a second net charge without applying electric current, wherein the third purification module- is configured: (i) to receive the second partially purified permeate from the second ceramic membrane element, (ii) to remove from the second partially purified permeate contaminants having the second net charge, and (iii) to form an output fluid comprising lower concentrations of particles and lower concentrations of ions than the contaminated media feed, wherein the first net charge has the opposite polarity of the second net charge. (i) to receive the second partially purified permeate from the second ceramic membrane element, (ii) to remove from the second partially purified permeate contaminants having the second net charge, and (iii) to form an output fluid comprising lower concentrations of particles and lower concentrations of ions than the contaminated media feed,