以系统治理打破“治污产污”困局

Core Viewpoint - Pollution control has become a comprehensive effort across all production sectors, with goals such as "ultra-low emissions of flue gas," "near-zero discharge of wastewater," and "waste-free cities" being widely recognized, leading to a consensus on deep pollution treatment [1] Group 1: Challenges in Pollution Control - Deep pollution treatment can inadvertently generate secondary pollutants if not managed properly, leading to economic unsustainability [1] - Examples include excessive urea injection in coal-fired units causing ammonia escape and hazardous waste from retired catalysts, which significantly increase hazardous waste disposal costs for companies [1] - Overuse of desulfurization agents in waste incineration plants can increase fly ash volume and produce heavy metal-rich desulfurization gypsum and wastewater with excessive chloride ions, creating further industry challenges [1] Group 2: Systematic Governance Approach - Since the 18th National Congress of the Communist Party, China has shifted from addressing prominent ecological issues to a systematic governance approach, emphasizing both targeted and comprehensive solutions [1] - Pollution control has evolved to a systematic governance level, requiring coordinated management of gaseous, liquid, and solid pollutants while exploring low-cost sustainable deep treatment solutions [1] Group 3: Innovative Treatment Technologies - Technologies such as cyclone mixing flue gas treatment can achieve simultaneous removal of dust, sulfur, and nitrogen oxides, utilizing existing alkaline substances as desulfurization and denitrification agents, which is cost-effective and efficient [2] - The recent validation of transfer-type flue gas treatment technology in the waste incineration industry demonstrates its ability to transfer pollutants from flue gas to absorbent liquids, simplifying the treatment process and significantly reducing costs [2] - True depth in pollution treatment lies not in merely stacking technical solutions or increasing standard values, but in a holistic understanding of the treatment chain and optimizing material transformation for cost control and reliable environmental benefits [2]