HJ 2008-2010 English PDFUS$659.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. HJ 2008-2010: Technical specifications for filtration process in wastewater treatment Status: Valid
Basic dataStandard ID: HJ 2008-2010 (HJ2008-2010)Description (Translated English): Technical specifications for filtration process in wastewater treatment Sector / Industry: Environmental Protection Industry Standard Classification of Chinese Standard: Z23 Classification of International Standard: 13.060.30 Word Count Estimation: 25,233 Date of Issue: 2010-12-17 Date of Implementation: 2011-03-01 Quoted Standard: GB 50141; GB 50204; GB 50205; HJ/T 355; CJJ 60; CJ/T 51 Regulation (derived from): Department of Environmental Protection Notice No. 94 of 2010 Issuing agency(ies): Ministry of Ecology and Environment Summary: This standard specifies the sewage treatment works in the filtration process used by the general requirements, process design, equipment selection, detection and control, construction inspection, operation and management of the technical requirements. This standard applies to municipal wastewater or industrial wastewater treatment filter unit process design, construction, inspection, operation and management, as feasibility studies, environmental impact assessment, process design, engineering, inspection, operation and management of the technical basis. HJ 2008-2010: Technical specifications for filtration process in wastewater treatment---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.Technical specifications for filtration process in wastewater treatment National Environmental Protection Standard of the People's Republic Technical specification for sewage filtration treatment engineering Released.2010-12-17 2011-03-01 Implementation Ministry of Environmental Protection released Ministry of Environmental Protection announcement No. 94 of.2010 In order to implement the "Environmental Protection Law of the People's Republic of China" and standardize the construction and operation of pollution control projects, the "Air Pollution Control Workers" are now approved. The 9 standards such as the “Technical Guidelines” are national environmental protection standards and are released. The standard name and number are as follows. I. Technical Guidelines for Air Pollution Control Engineering (HJ .2000-2010) 2. Technical Specifications for Flue Gas Desulfurization Engineering in Thermal Power Plants (HJ .2001-2010) Third, electroplating wastewater treatment engineering technical specifications (HJ .2002-2010) 4. Technical specifications for the treatment of tannery and fur processing wastewater (HJ .2003-2010) V. Technical Specifications for Slaughter and Meat Processing Wastewater Treatment Engineering (HJ .2004-2010) Technical Specifications for Constructed Wetland Sewage Treatment Engineering (HJ .2005-2010) 7. Technical specifications for sewage coagulation and flocculation treatment (HJ .2006-2010) Eight, technical specifications for sewage air flotation treatment (HJ .2007-2010) The above standards have been implemented since March 1,.2011 and published by the China Environmental Science Press. The standard content can be found on the website of the Ministry of Environmental Protection. Special announcement. December 17,.2010 ContentForeword..iv 1 Scope..1 2 Normative references..1 3 Terms and Definitions.1 4 Contaminants and pollution loads.3 5 General requirements..3 6 Process Design..3 7 Main process equipment and materials.16 8 Detection and process control 17 9 Major auxiliary projects.17 10 Labor Safety and Occupational Health..18 11 Construction and acceptance 18 12 Operation and maintenance 18 IvForewordTo implement the "Environmental Protection Law of the People's Republic of China" and the "Water Pollution Control Law of the People's Republic of China", standardize sewage filtration treatment Cheng Jian, to make it continuous and stable operation, discharge standards, prevent water pollution, improve environmental quality, and develop this standard. This standard specifies the overall design, process design, equipment selection, testing and control of the filtration process used in wastewater treatment projects. Technical requirements for operational management. This standard is the first release. This standard was formulated by the Science and Technology Standards Department of the Ministry of Environmental Protection. This standard is mainly drafted by. Jiangsu Academy of Environmental Sciences, Southeast University, Yangzhou Chenglu Environmental Engineering Co., Ltd., Jiangsu Pengyu Environmental Engineering Design Institute. This standard was approved by the Ministry of Environmental Protection on December 17,.2010. This standard has been implemented since March 1,.2011. This standard is interpreted by the Ministry of Environmental Protection. Technical specification for sewage filtration treatment engineering1 Scope of applicationThis standard specifies the overall requirements, process design, equipment selection, testing and control of the filtration process used in wastewater treatment projects. Technical requirements for construction acceptance and operation management. This standard is applicable to the design, construction acceptance and operation management of the filtration unit process of urban sewage or industrial wastewater treatment engineering. Technical basis for line research, environmental impact assessment, process design, engineering acceptance, and operation management.2 Normative referencesThe contents of this standard refer to the terms in the following documents. For undated references, the valid version applies to this standard. GB 50141 Water supply and drainage structure engineering construction and acceptance specification GB 50204 Concrete Structure Engineering Construction Quality Acceptance Specification GB 50205 Steel Structure Engineering Construction Quality Acceptance Specification Technical Specifications for Operation and Assessment of HJ/T 355 Water Pollution Source Online Monitoring System (Trial) CJJ 60 Urban Wastewater Treatment Plant Operation, Maintenance and Safety and Safety Technical Regulations CJ/T 51 Standard for urban sewage quality inspection methods3 Terms and definitionsThe following terms and definitions apply to this standard. 3.1 Filtration Refers to the process of cutting off impurities in water by means of granular materials or porous media. 3.2 Filtering media Refers to granular materials or porous media used to remove impurities in water during filtration. 3.3 Initial filtered water Refers to the filtered effluent at the initial stage of re-filtration after backwashing of the filter. 3.4 Filter media effective particle size (d10) effective size of filtering media Refers to the filter material particle size after filtration, less than 10% of the total weight of the filter material. 3.5 Effective size of filter media (d80) effective size of filtering media Refers to the filter material particle size after sieved, less than 80% of the total weight. 3.6 Filter material unevenness coefficient (K80) uniformity coefficient of filtering media Refers to the ratio of the particle size of the filter material to the effective particle size of less than 80% of the total weight after the filter material is sieved. 3.7 Uniformly graded filtering media Refers to a filter material with a relatively uniform particle size and a non-uniformity coefficient (K80) of 1.3 to 1.4. 3.8 Filtration rate Refers to the amount of water filtered by the unit filtration area per unit time. 3.9 Compulsory filtration rate Refers to the filtration rate of other operating grids when the partial filter is stopped due to maintenance or sanding. 3.10 Flushing rate Refers to the amount of flushing water per unit of filter material per unit time. 3.11 Expansion rate of bed-expansion Refers to the degree of expansion of the filter layer during backwashing, expressed as a percentage of the thickness of the filter layer. 3.12 Flush cycle (filter cycle, filter cycle) filter runs Refers to the entire interval from when the filter completes flushing to when it is flushed again. 3.13 Supported layer graved gravel layer Refers to the granular material that is placed between the water distribution system and the filter layer to prevent the filter material from leaking into the water distribution system. 3.14 Surface washing Refers to the flushing method of flushing the surface of the filter material with a fixed or rotating water jet system. 3.15 Surface sweep washing When the V-type filter is backwashed, the water to be filtered passes through the V-shaped water inlet hole to sweep the flushing muddy water to the central drain tank in the horizontal direction of the water surface. An auxiliary flushing method. 3.16 Ordinary quick filter Refers to the traditional quick filter arrangement, the filter material is generally a single layer of fine sand grade filter material or coal, sand double layer filter material, flushing with single water rinse, The flushing water is supplied by a water tower (tank) or a water pump. 3.17 Siphon filter siphon filter Refers to a form of a quick filter that uses a siphon instead of an inlet and drain valve. Each of the filter cells is connected to each other, and the backwash water is not washed. The filtered water supply of the remaining filter cells washed. The filtering method is equal to the filtration speed and variable water level operation. 3.18 Valveless filter valveless filter Refers to a form of quick filter without a valve. During operation, the effluent water level remains constant, and the influent water level is lost with the head of the filter layer. Increase and continuously rise in the siphon. When the water level rises to the top of the siphon tube and form a siphon, the filter backwash is automatically started and rinsed. The muddy water drains out of the pool along the siphon. 3.19 V type filter V filter Refers to the filter tank arrangement with a coarser and more uniform filter material and a V-shaped water inlet on both sides of each filter. Flushing with gas water micro The expansion method has a surface sweeping method, and the flushing mud water is discharged outside the pool through a drain groove provided in the center of the filter grid.4 Contaminants and pollution loads4.1 The filtration process can be used for the separation of various water quantities and lower concentrations of suspended solids. 4.2 The filtration process is mainly used for the separation and removal of fine suspended solids and destabilizing colloids in water. Suitable for sewage secondary biological treatment of effluent, Industrial wastewater chemical precipitation, air flotation, suspension treatment of suspended solids (SS) < 20 mg/L. 4.3 The filtration process can be used for advanced treatment of sewage, such as activated carbon adsorption, membrane technology, ion exchange, etc. SS < 10 mg/L. 4.4 The filtration process can be used for direct filtration (microflocculation contact filtration), and the influent SS can be appropriately relaxed, such as SS< 60 mg/L, and the filter material The diameter should increase accordingly.5 General requirements5.1 The construction scale of the filter tank is determined by the amount of treated water, and the designed water volume is determined by the maximum amount of water in the project. 5.2 Filtration Process After the pre-treatment of coagulation sedimentation, air flotation, etc., the elevation arrangement needs to ensure the need of filtering the water head. Need to set backwash Reservoir, flushing water pump or water tower. 5.3 Filters are usually arranged symmetrically (in pairs), close to pre-treatment equipment (precipitation, air flotation, etc.) and aftertreatment equipment (disinfection, clear water) Wait). 5.4 In addition to the deep pool, the filter has a certain head loss. The elevation setting should consider the cooperation of subsequent equipment. 5.5 The filtration process does not produce sludge, and the backwashed effluent should be returned to the collection well for secondary treatment.6 Process design6.1 Type of filtration and its process characteristics and applicable conditions The commonly used filtration types in sewage treatment are. ordinary quick filter and its derivative (double valve filter, flap filter and double filter media filter), V-type filter, gravity type valveless filter, pressure filter, turntable filter, etc. The process characteristics and applicable conditions are shown in Table 1, which can be selected for the filter process. Timing reference. Table 1 Process characteristics and applicable conditions of common filter for sewage treatment Type characteristics applicable conditions 1. Ordinary fast filter Have mature running experience. With sand filter material, the material is cheap and easy to obtain. Use large resistance Force water distribution system, the single pool area is larger, and the pool depth is shallower. Deceleration filtering can be used. The water quality is good. But there are more valves and must have a full set of flushing equipment Suitable for sewage treatment of various water quantities. Water production rate Higher. The area of the single pool should not exceed 50 m2, and Sedimentation tanks are used in combination. Water washing effect is poor, Surface rinsing or air rinsing should be used when conditions permit device 2. The dual-valve filter reduces the number of valves and reduces the cost and maintenance effort. However, a full set of flushing equipment must be provided to increase the equipment for siphon formation. Other features are the same as ordinary quick filter and ordinary quick filter Continued Type characteristics applicable conditions 3. Flap filter There are various choices of filter media and filter layers. Low filtrate loss rate, cleanliness after filter backwashing High, the head loss is small. The backwashing system distributes water and air evenly. Long filter period, The amount of interception is large and the quality of the effluent is good. More equipment, one-time investment is larger, and High operating power consumption Suitable for large and medium-sized sewage suspended solids Water quantity sewage treatment. Depending on the nature of the sewage Different filter materials and grading 4. Double filter media filter The filter layer has a large staining capacity and can adopt a higher filtration rate. Deceleration filtration, good water quality. It can be rebuilt with existing ordinary quick filter. The filter material selection is high and the filter material is easily lost. Difficult to rinse, easy to accumulate mud balls Suitable for large and medium water wastewater treatment, allowing for The concentration of suspended solids is high. Single pool area is generally not suitable Too big. It is advisable to use a large resistance water distribution system and auxiliary Flushing equipment 5. V-type filter The operation is stable and reliable. Sand filter material, filter bed with large amount of pollution, long cycle, filtration rate High, good water quality, and easy to obtain materials. The filter material is evenly graded to accommodate different suspensions Concentration of water quality, high degree of automation. The single pool area is large and the water production rate is high. have Gas water backwashing and water surface sweeping, the flushing effect is good. But there are many supporting equipments, More complicated to build, the depth of the pool is deeper than the ordinary fast filter Suitable for large and medium water wastewater treatment. Request Water SS< 15 mg/L. Requires configuration of an automatic control system 6. Gravity valveless filter No need to set the valve, automatic flushing, easy to manage. Can be set in a set. but The operation of the filter layer can not be seen, the sand is inconvenient. The single pool area is small. rinse The effect is poor, and a part of the water is wasted during backwashing. Variable water level constant velocity filtration, water quality is not Deceleration filtering Suitable for sewage treatment with small water volume. Need to have Elevation used, often with inclined tube sedimentation tank, acceleration Clarifier pool 7. Pressure filter Steel equipment, can be set in a fixed shape, using a large resistance water distribution system, backwashing Evenly. It can directly use the residual pressure water to change the water head to filter at the same speed, the water quality is not as slow as the deceleration filter. Single pool is small and can only be used for small water Suitable for small water sewage without high elevation The effluent can be reused or discharged directly. Single pool surface The product should be less than 10 m2 8. Turntable filter Impact resistant load and high filtration efficiency. Cross-flow filtration, small head loss and fast filtration rate. Fully automatic continuous operation, less backwash water and low operating costs. Unit pool capacity The total filtration area is large and the area is occupied. The filter cloth has oleophobic properties, and the surface impurities are not easy to stick. Attached, filter cloth is easy to clean, system function recovery is fast, automation is high, and the whole machine can be completed. Equipment Suitable for all kinds of water treatment. Adaptable Water quality with suspended solids concentration 6.2 General rules for filtration processes 6.2.1 The filtration process should be applied to the advanced treatment unit of industrial wastewater and urban sewage treatment projects. 6.2.2 The selection of the filter tank should be based on the amount of sewage treatment water, the quality of the influent and outflow, the operational management level, and the elevation of the treatment structure. Prime, determined by technical and economic comparison. Quick filter (including ordinary quick filter, double valve filter, flap filter, V-type filter, etc.) is suitable for large, Medium-sized sewage treatment plant (station), valveless filter, pressure filter for small sewage treatment plants (station), turntable filter can be used for different scales Urban sewage and industrial wastewater treatment plant (station). 6.2.3 The filter material should have sufficient mechanical strength and corrosion resistance. Quartz sand, anthracite, ceramsite and porcelain sand should be used. Filtration in sewage In the process, if there is no dissolved harmful substance, synthetic materials such as polypropylene plastic beads and fiber balls can also be used as the filter material. 6.2.4 The number of cells in the filter should be determined by technical and economic comparison according to the type of filter, the amount of treated water, operation and maintenance, and maintenance. In principle, it should not be less than 4 grids except for the valveless filter, pressure filter and turntable filter. 6.2.5 The single grid area of the filter should be based on the type of filter, the water quality, the operating level, the filtered water collection and the flushing water distribution. Uniformity is determined by technical and economic comparison. 6.2.6 Ratio of filter layer thickness (L) to effective particle size (d10). fine sand and double-layer filter should be filtered more than 1 000; coarse sand and three-layer filter Should be greater than 1 250. 6.2.7 The filter tank should be equipped with a primary filtration water discharge facility. The primary filtration water should be returned to the water collection well of the water plant for secondary treatment. 6.2.8 The method of flushing the filter pool is preferred to use the combined gas and water flushing method. 6.2.9 When the filter is running, the automatic detection and control system should be set as much as possible to realize the operation management automation. 6.3 Filtration speed and filter composition 6.3.1 The filter should be designed according to the normal filtration rate and checked by the forced filtration speed under maintenance conditions. 6.3.2 Filter tank speed and filter material composition should be taken according to Table 2. The filtration rate of sewage filtration should be higher than the filtration rate of feed water filtration, and the particle size of the filter should also be Correspondingly, the project should be based on factors such as the quality of the influent water, the water quality of the filtered water, the structure of the filter, etc. The operating experience of the filter is determined. Table 2 Filter filter speed and filter composition Filter material type Filter material composition normal filtration rate / (m/h) Forced filtration rate / (m/h) particle size / Mm Uneven coefficient K80 thickness/ Mm Single ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of HJ 2008-2010_English be delivered?Answer: Upon your order, we will start to translate HJ 2008-2010_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of HJ 2008-2010_English with my colleagues?Answer: Yes. The purchased PDF of HJ 2008-2010_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay. |
