HJ 709-2014Technical guidelines for environmental protection in dyeing and finishing of textile industry for check and accept of completed project (English PDF)

3.1 Textile dyeing and finishing dyeing and finishing of textile

Refers to the dyeing of textile materials (fiber, yarn, thread and fabric) carried out, printing, finishing the main treatment process, Including pre-treatment (excluding scouring, Ma unglued, cocoon cooking and chemical fiber textile raw materials, production processes), dyeing, printing and integration Management. Commonly known textile dyeing and finishing and dyeing.

3.2 Reference displacement per unit of product base water discharge volume per unite product

Refers to wastewater emissions for approved water pollutant discharge concentration specified limits production unit printing products. (press FZ/T 01002 and other standards for conversion. )

3.3 Production conditions production conditions

It means a device or a state run facility production, including the production of normal conditions and abnormal conditions of production.

Normal conditions of production refers to the production plant or facility in accordance with the design parameters (production to meet the design production capacity of 75% or more) Stable operation state.

Abnormal conditions of production refers to the production test equipment or facilities, downtime, repair or process parameters during the production of unstable state.

4.1 Acceptance of the conditions required

4.1.1 phased construction, textile dyeing and finishing production stage project, staging monitored for acceptance and investigation. For staging Acceptance of construction projects, environmental protection facilities operation should meet the requirements of the stage.

4.1.2 Acceptance of the monitoring data in stable condition, the production load of more than 75% of the design load (including 75%), environmental protection Case care facilities functioning effectively under. If the load is less than 75% of production, which belongs to the acceptance stage monitor and investigate.

4.2 Acceptance period and scope

4.2.1 According to textile dyeing and finishing construction characteristics of the project, the acceptance period for monitoring and investigations, mainly in pre-production on schedule.

4.2.2 Acceptance of construction work on the scope of the principle of consistent content and Environmental Impact Assessment; occurs when the actual contents of the project change More should be based on the actual construction of the project, combined with site survey control situation be explained.

4.3 Acceptance Evaluation Criteria

Project evaluation criteria using the environmental impact assessment documents and approval documents identified as the principle 4.3.1 Acceptance Review Price standard. During the inspection, it has been revised or newly issued standards for environmental protection, environmental acceptance as the reference standard, environmentally friendly Acceptance standards based upon the original execution.

4.3.2 Environmental Impact Assessment document and the document does not require approval, and may refer to existing national, local and industry standards or the relevant foreign standards.

4.3.3 environmental protection standards at this stage yet, but the corresponding factor to evaluate the EIA report, and should be based on the EIA reported Acceptance evaluation report, the EIA report if there is no evaluation can be analyzed in accordance with the actual situation.

4.4 Acceptance of the principles and methods of work

4.4.1 monitoring, investigation and technical methods used should be in line with national regulatory requirements.

4.4.2 According to the characteristics of each textile dyeing and finishing construction projects closely linked to EIA conclusions and recommendations approved requirements.

4.4.3 Using information research, field surveys, on-site monitoring and survey methods to carry out technical work acceptance.

4.5 Acceptance technical procedures and content

Textile dyeing and finishing technology and acceptance of completed construction projects, including preparation, of technical inspection program, the implementation of inspection Receiving of programs and preparation of acceptance technical report (table) four stages. Acceptance procedures shown in Figure 1.

Data collection, analysis scene investigation Acceptance of technical preparation program Project Overview and pollution control measures Acceptance evaluation standard Acceptance Monitoring content Analysis and Quality assurance Environmental Management Risk, Survey Public comments See transfer Preparation Phase Acceptance of the program implementation Monitoring data and surveys Results finishing site monitoring and investigation Preparation and acceptance technical report (table) Condition analytical quality control and quality assurance Surveillance points Analysis and Evaluation Survey points Analysis and Evaluation Monitoring Conclusion and recommendations Technical Reports annex

Figure 1 Textile Dyeing and Finishing acceptance of completed construction projects technical work program

4.5.1 Preparation phase

Data collection, analysis, field exploration, environmental management measures to investigate.

4.5.2 Acceptance of the preparation phase of the program

Determine the scope of acceptance, criteria evaluation, monitoring and inspection and acceptance on the basis of access to relevant information, on-site investigation Income survey content.

4.5.3 Acceptance of the implementation phase of the program

Based on acceptance of technical work program to determine the content of the monitoring and investigation.

4.5.4 Acceptance prepare a technical report (table) stage

Aggregated monitoring data and survey results, analysis and evaluation concluded with acceptance of technical report (form) form to reflect construction Environmental protection acceptance monitoring, investigation results, acceptance of completed construction projects as a technical basis.

4.6 Acceptance of results and report form

Prepare an environmental impact report textile dyeing and finishing project to acceptance monitoring report and findings of the monitoring report form. prepared by Environmental impact statement textile dyeing and finishing project to monitor the acceptance tabular report of the Monitoring and findings.

5.1 Data collection and analysis

5.1.1 Data Collection

Acceptance of the construction unit monitoring department should collect the following information.

a) report data

Feasibility study to apply for acceptance of construction projects, preliminary design (green papers) or environmental protection treatment facilities design information Materials, environmental impact assessment documents.

b) documents

Construction project approval, of the preliminary design approval and environmental impact assessment documents, trial production application approval, major changes Approval (if any).

c) maps data

Project location map, the plant layout plan (to be marked with a major source of pollution around the plant location and the environmental situation Condition, drainage network, environmentally sensitive target distribution, etc.), project location wind roses, materials and water balance diagram, Production Engineering Art production process and pollution conditions schematic process flow diagram pollution, the main treatment facility pictures of construction projects Information.

d) Environmental Management Information Construction unit to perform environmental protection report, the construction unit of environmental protection organization, rules and regulations, pre-emergency pollution Case, routine monitoring program, environmental supervision report (if any) (including the requirements according HJ 471 Wastewater Treatment Performance Test) and other information.

5.1.2 Data Analysis

Technical information collected to collate, study, and familiar with the following.

a) Construction Content and Scale Including main and auxiliary engineering, production and environmental protection equipment engineering situation. Renovated and expanded projects should identify "with a new band and old, Festival Energy saving, reduction of the total amount of "other specific requirements in order to determine the scope of the site survey.

b) production process and pollution analysis to understand the production process and production technology, the main raw materials, auxiliary materials and products, according to analysis of the production process waste gas, waste water, solid Waste, noise generation, the major pollution factor, the corresponding supporting treatment facilities, processing flow going, in order to achieve off Field survey highlights.

c) the order of the plant general layout and site survey, route Learn plant exhaust organized, unorganized emission source; discharge port means waste water treatment unit, efflux mouth, rain discharge port; noise Specific location of the sound source, and vibration. Identification of possible exhaust laid unorganized, organized emission monitoring point, wastewater, stormwater drainage prison Measuring point, factory noise, vibration monitoring sites, environmental sensitive areas monitoring sites. Site investigation and preparation of the order line. for Wastewater discharged into the centralized sewage treatment plants, sewage treatment plants need to understand the acceptance operation.

d) construction project environmental protection around sensitive targets Including receiving water, air sensitive points, noise-sensitive point, the second goal of solid waste pollution protection may cause, indeed Determined whether the necessary environmental quality monitoring involves exploration content.

e) Construction Project Environmental Protection Management Environmental Protection Agency and environmental rules and regulations set up to establish, including the establishment of environmental protection monitoring station and daily Gauge Planning, solid waste disposal treatment requirements, environmental protection and investment plan (including environmental protection facilities and measures to monitor when checking equipment, etc.) a list of statistics to be on-site investigation.

5.2 Scene Investigation

5.2.1 Production Line Scene Investigation

5.2.1.1 Singeing (brushing, sanding) step

Investigation fuel type, smoke, dust and fiber waste generated situation. (Silk dyeing and finishing no such step.)

5.2.1.2 Desizing step

Desizing Wastewater survey component of the slurry, desizing wastewater recycling, emissions and process conditions. (Wool, silk, knitting and finishing no such steps. )

5.2.1.3 Scouring step

Wastewater Survey scouring detergent ingredients, scouring generate wastewater collection and treatment conditions.

Cotton and chemical fiber blend of cotton knitted fabric before scouring through caustic soda shrinking treatment, the formation of alkali reduction process wastewater. Tone Charles alkali reduction was reused, emissions and process conditions.

5.2.1.4 Bleaching sequences

Investigation bleach (sodium hypochlorite, hydrogen peroxide or sodium chlorite) usage, bleaching waste recycling, emissions and Handle the situation.

5.2.1.5 Step mercerized

Mercerized investigation process wastewater situation and Recovery Recovery means silk and wastewater treatment situation. (Silk dyeing Whole no such steps. )

5.2.1.6 Alkali reduction step

Components of alkali reduction wastewater reuse lye, the alkali reduction wastewater discharge and treatment conditions.

5.2.1.7 Dyeing process (coating process)

Investigation dyes, additives, and the type of surfactant staining, dyeing wastewater collection and treatment situation.

Wool textile products for the dyeing process dosing red vanadium (potassium dichromate) containing hexavalent chromium dyeing wastewater, understand stock Process emissions. To wool dyeing wastewater also contains a certain amount of suspended solids (fiber hair), you need to understand when the suspension of exploration Subject to and removal of equipment.

5.2.1.8 Printing processes

Investigation dyes, additives, and the type of paste printing process, especially if it involves carving water when flushing Fountains will produce three Chromium oxide, to be in-place recycling process. Investigation printing wastewater collection and treatment especially in the case of heavy metals in waste water.

5.2.1.9 Rinsing process

Investigation rinse mode, wastewater reuse and emissions.

5.2.1.10 Finishing processes

In the subsequent finishing of the fabric, the fabric will add chemical additives evaporate while sanding (or napping) and other technology Also produce waste fiber dust; finishing processes containing small amounts of lint, resins, formaldehyde, oil finishing wastewater. Ironing survey Fuel type of media, emissions, waste composition, generation, treatment and whereabouts.

5.2.1.11 Vapor step

Survey of water supply, water supply, gas mode; conducting oil furnace or boiler type, evaporation, and the number of operating load, the number and height of the chimney; the type of view and investigate fuel quality, origin, amount.

5.2.1.12 Sewage treatment process

Construction scale investigation sewage treatment station, the treatment process, wastewater discharge destination, outfall and standardization of the receiving water body Quality, capacity, flow and hydrological conditions. Sewage treatment plant sludge collection and processing conditions. Fans and water sewage treatment station Noise pump, etc., and vibration. Sewage treatment station unorganized waste gas collection and treatment of cases, major surveys row stench of pollutants Put and governance. Accident investigation sewage treatment pond setting case.

Survey domestic sewage, fate and treatment; outfall situation.

Air conditioning water situation arising after the investigation dust Recycle and processing conditions.

5.2.1.13 Step Recovery

Recovery production scale investigation, alkali recovery rate; approach, whereabouts; waste generation, treatment and whereabouts.

5.2.2 Pollution and environmental protection facilities Scene Investigation

5.2.2.1 Gas

Boilers, fiber dust and other organized emissions. sources, amount of exhaust gas, the main pollution factor, process and treatment facilities Design efficiency, exhaust quantity/height, the same type of pitch exhaust processing facility entrances/exhaust size, Regulation Fan Monitoring aperture setting conditions.

Sewage treatment station, finishing processes and other fugitive emissions. sources of major pollution factor, geographical conditions and gas monitoring Like conditions.

5.2.2.2 Wastewater

Dyeing and finishing production processes sewage and sewage plant sources, the amount of sewage, pollution factors, treatment facilities and processes Design and export quality indicators/process efficiency, standardization of the setting of the discharge port, the total wastewater discharge port installed on-line monitoring of the situation Situation, whether to complete the online acceptance, and whether the monitoring center network, managing the daily operation and maintenance; wastewater reuse situation; cycle Water, sewage and water reuse; rainwater collection, switching measures; emergency pool construction and switching measures;

Decontamination triage, rain and sewage diversion implementation.

5.2.2.3 Solid Waste

Sources general solid waste (waste yarn, waste fabrics, packaging materials, garbage, etc.), the type, quantity, processing Disposal whereabouts, whether temporary storage yard for general industrial solid waste storage requirements of the standard, the soil may be caused by storage disposal site Soil, groundwater secondary pollution, environmental sensitive targets determined.

Other sources of waste (sewage treatment plant sludge, chemical reagents waste containers, etc.), the type, quantity, whether through Identification, if the case of hazardous waste, temporary storage site meets the hazardous waste storage standards. Whereabouts of hazardous waste (at Disposal management protocol), qualified hazardous waste transportation/disposal bodies, the transfer of hazardous waste manifest. Note that the single transfer of hazardous Waste type, quantity and hazardous waste transportation/disposal qualified agencies, consistent with hazardous waste treatment and disposal protocols.

5.2.2.4 Noise/vibration

Noise/vibration (boiler fans, air compressors, dyeing machine, sewage treatment station, blower, etc.) sources, control facilities, Outside the plant boundary noise and the protection of sensitive targets from the sound source in the specific location of the plant layout.

5.2.3 Environmental risk exploration

Environmental risk prevention survey projects trial production stage pollution accidents, the verification of the environmental impact assessment documentation requirements Fan measures/facilities and implementation of contingency plans, such as the construction of the pool and related accident polluted water p...