Các phương pháp và quy trình điều trị và xử lý MỤC TIÊU Sau khi hoàn tất chương này, học sinh nên: • Có kiến thức tổng quan về các phương pháp lịch sử và truyền thống của điều trị và xử lý chất thải nguy hại, và tác động môi trường của mỗi. • Có kiến thức thực hành trong quá khứ và hiện tại của đất và xử lý điều trị, các tác động môi trường biết, và việc xử lý hạn chế đất RCRA. • Có kiến thức tổng quan về tác động của chất lượng nguồn nước nonpoint. | 7 Treatment and Disposal Methods and Processes OBJECTIVES At the completion of this chapter the student should Have overview knowledge of historical and traditional methods of treatment and disposal of hazardous wastes and the environmental impacts of each. Have knowledge of past and present practices of land treatment and disposal the environmental impacts thereof and the RCRA land disposal restrictions. Have overview knowledge of nonpoint-source water quality impacts of hazardous waste treatment and disposal operations. Understand the air quality implications residue management and waste destruction capabilities of burning vs. incineration and the RCRA approach to each. Understand some of the classic reuse and recycling processes as a basic management approach and as an introduction to Chapter 8. Understand the basic differences between treatment immobilization and destruction and the processes associated with each category. Be familiar with history and practice of ocean dumping and underground injection and with concerns regarding potential environmental impacts of each. INTRODUCTION In the two previous chapters we overviewed first the generation and then the transportation of hazardous wastes. We now take up the technologies practice and regulatory requirements associated with the ultimate disposition of hazardous wastes. Where appropriate we will follow the pattern of previous chapters by beginning a topic with a discussion of generic practice or technology and follow with the regulatory requirements of the Resource Conservation and Recovery Act RCRA . As before the format for a generic discussion of treatment and disposal is shaped by the RCRA format that groups treatment storage and disposal functions together 2001 by CRC Press LLC as the final link in the cradle-to-grave hazardous waste management system. The rationale for grouping treatment and disposal together is fairly clear. Some recollection of the early practices and horror stories of Chapter 1 .