2. Concentrate the waste liquid as much as possible to reduce its volume, and put it in a safe place for isolated storage and treatment;
3. Use distillation, filtration, adsorption and other methods to separate dangerous substances, and only discard the safe parts;
4. Both liquid and solid can be burned safely and should be burned, but the amount should not be too large. Do not leave harmful gases or residues when burning. If it can't burn, bury it in a safe place and don't expose it on the ground;
5. General toxic gases can be discharged through fume hoods or ventilation pipes after being diluted by air, and a large number of toxic gases can be discharged only after being fully burned or adsorbed with oxygen;
6. The waste liquid should be stored in a sealed container according to its chemical characteristics, and should not be mixed, and the waste type, storage time and regular treatment method should be indicated.
Legal basis: Article 42 of the Environmental Protection Law of People's Republic of China (PRC), enterprises, institutions and other producers and operators that discharge pollutants shall take measures to prevent and control the pollution and harm of waste gas, waste water, waste residue, medical waste, dust, malodorous gas, radioactive substances, noise, vibration, light radiation and electromagnetic radiation to the environment. Enterprises and institutions that discharge pollutants shall establish a responsibility system for environmental protection, and clarify the responsibilities of the person in charge of the unit and relevant personnel. Key pollutant discharge units shall install and use monitoring equipment in accordance with relevant state regulations and monitoring norms, ensure the normal operation of monitoring equipment, and keep original monitoring records. It is strictly prohibited to illegally discharge pollutants through concealed pipes, seepage wells, seepage pits, perfusion or tampering with or forging monitoring data, or through the abnormal operation of pollution prevention facilities to avoid supervision.