Text this: Economic analysis of membrane-based separation of biocatalyst : mode of operation and stage configuration

  _____      ___     _    _    _    _      _____  
 /  ___||   / _ \\  | |  | || | || | ||   / ___// 
| // __    | / \ || | |/\| || | || | ||   \___ \\ 
| \\_\ ||  | \_/ || |  /\  || | \\_/ ||   /    // 
 \____//    \___//  |_// \_||  \____//   /____//  
  `---`     `---`   `-`   `-`   `---`   `-----`