解析气发电机组发电空气污染的主要的两个环保项目是二氧化硫（SO）、氮氧化物（NOx），环境监管部门通过检测污染物的实时排放浓度是否超过国家或地方标准，以此评估企业环保是否达标。

　　The two main environmental protection projects for air pollution caused by gas turbine generators are sulfur dioxide (SO) and nitrogen oxides (NOx). Environmental regulatory authorities evaluate whether a company's environmental protection standards are met by detecting whether the real-time emission concentration of pollutants exceeds national or local standards.

　　一、排放监测

　　1、 Emission monitoring

　　在解析气发电机组发电在运行过程中，排放检测分为分钟数和小时数。1. 分钟数：指污染物瞬时浓度超过限值的累计分钟数。例如，某时段内每分钟监测数据中有10分钟超过标准，即记录为10分钟超标。2. 小时数：以连续1小时内污染物的平均浓度（小时均值）作为判定依据。若该均值超过标准，则视为1小时超标。   根据《固定污染源烟气排放连续监测技术规范》（HJ 75-2017），解析气发电机组发电需通过烟气连续排放监测系统（CEMS）每1分钟采集一次数据，并计算小时均值。环保执法中，小时均值是核心判定指标，而分钟数主要用于分析瞬时波动和数据有效性。二、排放标准（一）国家标准（GB 13223-2011）

　　During the operation of gas turbine generators, emission detection is divided into minutes and hours. 1. Minutes: Refers to the cumulative number of minutes during which the instantaneous concentration of pollutants exceeds the limit. For example, if 10 minutes of monitoring data exceed the standard during a certain period, it is recorded as exceeding the standard for 10 minutes. 2. Hours: The average concentration of pollutants within one consecutive hour (hourly average) is used as the basis for judgment. If the mean exceeds the standard, it will be considered as exceeding the standard for 1 hour. According to the "Technical Specification for Continuous Monitoring of Flue Gas Emissions from Fixed Pollution Sources" (HJ 75-2017), it is necessary to collect data every minute through a Continuous Emission Monitoring System (CEMS) and calculate the hourly average for gas generator units to generate electricity. In environmental law enforcement, the hourly mean is the core judgment indicator, while minutes are mainly used to analyze instantaneous fluctuations and data validity. 2、 Emission Standard (I) National Standard (GB 13223-2011)

　　1. 一般地区

　　1. General regions

　　- SO：100 mg/m（小时均值）

　　-SO: 100 mg/m (hourly average)

　　- NOx：100-200 mg/m（小时均值，根据锅炉类型和时段不同）

　　-NOx: 100-200 mg/m (hourly average, depending on boiler type and time period)

　　2. 重点地区（如京津冀、长三角等）：

　　2. Key regions (such as Beijing Tianjin Hebei, Yangtze River Delta, etc.):

　　- SO：50 mg/m（小时均值）

　　-SO: 50 mg/m (hourly average)

　　- NOx：100 mg/m（小时均值）

　　-NOx: 100 mg/m (hourly average)

　　（二）超低要求- SO：35 mg/m（小时均值）

　　（2） Ultra low requirement - SO: 35 mg/m (hourly average)

　　- NOx：50 mg/m（小时均值）

　　-NOx: 50 mg/m (hourly average)

　　- 烟尘：10 mg/m（小时均值）河南省、河北省、上海市等已明确要求新建及改造机组执行超低排放标准。三、处罚

　　-Smoke and dust: 10 mg/m (hourly average) Henan Province, Hebei Province, Shanghai and other cities have clearly required new and renovated units to comply with ultra-low emission standards. 3、 Punishment

　　《大气污染防治法》：超标排放可处10万-100万元罚款，情节严重的责令停产整治。

　　Air Pollution Prevention and Control Law: Excessive emissions can result in a fine of 100000 to 1 million yuan, and those with serious circumstances will be ordered to suspend production for rectification.

　　《环境保护税法》：应税污染物浓度低于标准30%的，减按75%征税；低于50%的，减按50%征税。

　　Environmental Protection Tax Law: If the concentration of taxable pollutants is lower than the standard by 30%, the tax shall be reduced by 75%; For those below 50%, the tax will be reduced by 50%.

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