Text this: Pyrolysis of Ca/Fe-rich antibiotic fermentation residues into biochars for efficient phosphate removal/recovery from wastewater: turning hazardous waste to phosphorous fertilizer

  _  __     ___       _____    _____    ______   
 | |/ //   / _ \\    / ___//  |  ___|| |      \\ 
 | ' //   | / \ ||   \___ \\  | ||__   |  --  // 
 | . \\   | \_/ ||   /    //  | ||__   |  --  \\ 
 |_|\_\\   \___//   /____//   |_____|| |______// 
 `-` --`   `---`   `-----`    `-----`  `------`