Adsorption of Patent Blue V from Textile Industry Wastewater Using <i>Sterculia alata</i> Fruit Shell Biochar: Evaluation of Efficiency and Mechanisms oleh Balendu Shekher Giri, Mandavi Goswami, Prabhat Kumar, Rahul Yadav, Neha Sharma, Ravi Kumar Sonwani, Sudeep Yadav, Rajendra Prasad Singh, Eldon R. Rene, Preeti Chaturvedi, Ram Sharan Singh