Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

HJ 1177-2021 English PDF

Q: How long will the true-PDF of English version of HJ 1177-2021 be delivered?

Upon your order, we will start to translate HJ 1177-2021_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.

Q: Can I share the purchased PDF of HJ 1177-2021_English with my colleagues?

Yes. The purchased PDF of HJ 1177-2021_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Q: Does the price include tax/VAT?

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). Avoidance of Double Taxation Agreements (DTAs) between Singapore and 100+ Countries: https://www.iras.gov.sg/taxes/international-tax

Q: Do you accept my currency other than USD?

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.

US$509.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
HJ 1177-2021: (Guidelines for feasible technologies for the prevention and control of pollution in the textile industry)
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
HJ 1177-2021	509	Add to Cart	5 days	(Guidelines for feasible technologies for the prevention and control of pollution in the textile industry)	Valid

Similar standards

HJ 1347.1 HJ 1347.2 HJ 1346.1

Basic data

Standard ID: HJ 1177-2021 (HJ1177-2021)
Description (Translated English): (Guidelines for feasible technologies for the prevention and control of pollution in the textile industry)
Sector / Industry: Environmental Protection Industry Standard
Word Count Estimation: 22,283
Issuing agency(ies): Ministry of Ecology and Environment

HJ 1177-2021: (Guidelines for feasible technologies for the prevention and control of pollution in the textile industry)

---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.
(Guidelines for feasible technologies for the prevention and control of pollution in the textile industry) National Ecological Environment Standard of the People's Republic of China Guidance on Feasible Technologies for Pollution Prevention and Control in Textile Industry Guideline on available techniques of pollution prevention and control for textile industry This electronic version is the official standard text, which is reviewed and typeset by the Environmental Standards Institute of the Ministry of Ecology and Environment. Published on 2021-05-12 2021-05-12 Implementation Released by the Ministry of Ecology and Environment directory Foreword...ii 1 Scope...1 2 Normative references...1 3 Terms and Definitions...2 4 Industrial production and generation of pollutants...3 5 Pollution Prevention Techniques...7 6 Pollution control technology...8 7 Environmental management measures...12 8 Possible technologies for pollution prevention...13 Appendix A (informative appendix) Typical textile industry production process and main pollution-producing links...18 Guidance on Feasible Technologies for Pollution Prevention and Control in Textile Industry

1 Scope of application

This standard proposes feasible technologies for the prevention and control of waste water, waste gas, solid waste and noise pollution in the textile industry. This standard can be used as environmental impact assessment, national Reference for the formulation and revision of domestic pollutant discharge standards, the management of pollutant discharge permits and the selection of pollution prevention and control technologies. The pollution prevention and control of the textile and apparel industry can be implemented with reference to this standard.

2 Normative references

This standard refers to the following documents or clauses thereof. For dated references, only the dated version applies to this standard. For undated references, the latest edition (including all amendments) applies to this standard. GB 4287 Discharge Standard of Water Pollutants in Textile Dyeing and Finishing Industry GB 8978 Integrated Wastewater Discharge Standard GB 14554 Emission Standard of Odor Pollutants GB 16297 Comprehensive Emission Standard of Air Pollutants GB 18597 Hazardous Waste Storage Pollution Control Standard GB 18599 General Industrial Solid Waste Storage and Landfill Pollution Control Standard GB 18918 Pollutant Discharge Standards for Urban Sewage Treatment Plants GB 28936 Discharge Standard of Water Pollutants in Silk Reeling Industry GB 28937 Water Pollutant Discharge Standard for Wool Textile Industry GB 28938 Discharge Standard of Water Pollutants in Hemp Textile Industry GB 37822 Volatile organic compound fugitive emission control standard GB 50335 Code for Design of Urban Sewage Recycling and Utilization Engineering GB 50425 Design Standard for Environmental Protection Facilities in Textile Industry GB 50477 Design Standard for Occupational Safety and Health Facilities in Textile Industry GB/T 4754-2017 National Economic Industry Classification GBZ/T 212 Guidelines for the Prevention and Control of Occupational Disease Hazards in Textile Printing and Dyeing Industry HJ 577 Technical Specification for Sequencing Batch Activated Sludge Sewage Treatment Engineering HJ 579 Technical Specification for Membrane Separation Sewage Treatment Engineering HJ 861 Technical Specification for Pollution Discharge Permit Application and Issuance Textile Printing and Dyeing Industry HJ 879 Technical Guidelines for Self-Monitoring of Pollutant Discharging Units Textile Printing and Dyeing Industry HJ 944 General Provisions of Technical Specifications for Environmental Management Ledger of Pollutant Discharging Units and Implementation Report of Pollutant Discharge Permit (Trial) HJ.2006 Sewage coagulation and flocculation treatment engineering technical specification HJ.2007 Technical Specification for Sewage Air Flotation Treatment Engineering HJ.2009 Technical Specification for Biological Contact Oxidation Sewage Treatment Engineering HJ.2010 Technical Specification for Membrane Biological Wastewater Treatment Engineering HJ.2013 Technical Specification for Up-flow Anaerobic Sludge Bed Reactor Sewage Treatment Engineering HJ.2014 Technical Specification for Biological Filter Method Sewage Treatment Engineering HJ 2025 Technical Specifications for Hazardous Waste Collection, Storage and Transportation HJ 2026 Technical specification for industrial organic waste gas treatment engineering by adsorption method HJ 2047 Technical Specification for Sewage Treatment Engineering of Hydrolysis Acidification Reactor "Measures for the Administration of Hazardous Waste Transfer Forms" "National Hazardous Waste List"

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Textile industrytextile industry The textile industry (C17) specified in GB/T 4754-2017 refers to the processing of cotton, wool, hemp, silk and other pre-spinning fibers, spinning (silk), Weaving and dyeing and finishing industries mainly focus on pre-treatment, dyeing, printing and finishing of textile materials. 3.2 available techniques of pollution prevention and control According to my country's environmental demand and economic level in a certain period of time, comprehensive use of pollution prevention technology and pollution control technology in the process of pollution prevention and control technology and environmental management measures to stably meet the national pollutant discharge standards and large-scale application of technology. 3.3 silk weaving Silkworm cocoons are processed and reeled into silk, and the production process of silk fabric weaving and processing with silk as the main raw material. 3.4 wool weaving Using wool, cashmere fiber and other animal down fibers as the main raw materials, the production process of wool washing, strip making, spinning and weaving is carried out. 3.5 linen weaving Production of degumming and textile processing using fibers such as ramie, flax, jute, sisal, hemp (hemp) and apocynum as the main raw materials process. 3.6 chemical fiber weaving The production process of weaving woven fabrics with chemical fiber filaments as the main raw material. 3.7 dyeing, printing and finishing Processes based on chemical treatment of textile materials (fibers, yarns, threads and fabrics), including pretreatment (singeing, desizing, scouring, bleaching, mercerizing, alkali reduction and scouring), dyeing, printing, finishing and other sections. 3.8 Centralized wastewater treatment facilities for textile industry A centralized sewage treatment facility that provides sewage treatment services for two or more textile industry enterprises.

4 Industrial production and generation of pollutants

4.1 Silk spinning 4.1.1 Production process The process of processing and reeling raw materials in silk spinning includes silk making and silk spinning. Silk making is the process of processing silkworm cocoons into raw silk, including selection, stripping, Cocoon peeling, cocoon mixing, cocoon selection, cocoon cooking, silk reeling, re-shake, finishing and other processes; silk spinning is processed into silk silk from defective cocoons, waste silk and cut ends. process, including scouring, cotton making and other processes. See Figure A.1 in Appendix A for the production process flow and major pollution-producing links. 4.1.2 Water pollutants 4.1.2.1 Filament Silk-making wastewater is mainly produced in cocoon cooking and silk reeling processes. Water pollutants include sericin, silk fibroin and silkworm pupa protein. The nitrogen concentration is 80-400 mg/L, the total nitrogen concentration is 40-60 mg/L, and the waste water production is 400-700 m3/t product. 4.1.2.2 Silk spinning Silk spinning wastewater is mainly produced in the process of scouring, scouring includes cooking, degreasing, washing and other processes. Water pollutants include sericin, grease and Silkworm chrysalis protein, etc. The CODCr concentration of the degreasing wastewater is 12000～20000 mg/L, and the CODCr concentration of the general mixed wastewater is 800～20000 mg/L. 4 000 mg/L, the total nitrogen concentration is 100-500 mg/L, and the amount of wastewater produced is 500-1 000 m3/t product. 4.1.3 Air pollutants Exhaust gas mainly includes unorganized odor generated during cocoon cooking, scouring, cotton making and wastewater treatment. 4.1.4 Solid waste Solid waste mainly includes waste silk, silkworm chrysalis, waste packaging, and sludge generated during wastewater treatment. 4.1.5 Noise The noise is mainly produced by the cocoon drying machine, silk reeling machine, reshaking machine, cotton making machine, and mechanical equipment for waste water treatment, and the source intensity is generally 55-75 dB(A). 4.2 Hemp Textile 4.2.1 Production process Hemp textile raw materials generally use bast fibers such as ramie, flax, jute, and hemp (hemp). The production process is processed into textiles. Hemp degumming is a process in which the bast fiber gum is removed before the hemp fiber is spun. The production process includes biological methods, Chemical and combined degumming methods. Biological degumming is the use of microbial metabolism or enzymes to remove gum; chemical degumming is the use of alkali, inorganic acid and oxygen. The chemical agent removes the gum; the combined degumming method is a combination of the two. Flax, jute, and hemp (hemp) are generally degummed by biological methods, and ramie is often Using the combined degumming method, see Figure A.2 in Appendix A for the production process flow and main pollution-producing links. 4.2.2 Water pollutants 4.2.2.1 Biological degumming The degumming wastewater produced by microbial or enzymatic degumming treatment of raw hemp contains pollutants such as pectin, lipid wax, lignin, and cellulose. The CODCr concentration is 3 000-7 000 mg/L, the BOD5/CODCr is 0.2-0.4, and the biological degumming wastewater production volume is 80-200 m3/t product. 4.2.2.2 Chemical degumming The degumming wastewater produced by the chemical degumming treatment of raw hemp contains pectin, surfactant, lipid wax, lignin, cellulose, acid, alkali, For pollutants such as inorganic salts, the general CODCr concentration is 2 000-4 000 mg/L, the BOD5/CODCr is 0.15-0.3, and the pH is 9-10.Such as The chlorine bleaching process is used for bleaching, and the wastewater contains adsorbable organic halogens (AOX). The production volume of chemical degumming wastewater is.200-450 m3/t product. 4.2.2.3 Combined degumming Combined degumming consists of two parts. biological method and chemical method. Generally, the concentration of CODCr is 1000-3000 mg/L, and BOD5/CODCr is 0.2 to 0.3, and the combined degumming method produces 100 to 400 m3/t of product. 4.2.3 Air pollutants Air pollutants mainly include dust from the process of picking, stripping and carding, fiber dust from spinning and weaving, biological Degumming, alkaline cooking, pickling and fugitive odors from wastewater treatment processes. 4.2.4 Solid waste Solid waste mainly includes waste stems, waste fibers, waste packaging, and sludge generated from wastewater treatment processes. 4.2.5 Noise Noise is produced by equipment such as beating hemp, stripping hemp, degumming, weaving, and mechanical equipment for wastewater treatment, and the source intensity is generally 55 to 75 dB(A). 4.3 Wool Textiles 4.3.1 Production process The raw materials of wool textiles are generally wool or other animal hairs, which are processed into textiles through the primary processing of raw wool, spinning, weaving and other production processes. The primary processing of raw wool refers to the use of mechanical, washing and chemical methods to remove the oil and impurities attached to the raw wool such as sand and hay to obtain washed wool. In the production and processing process, the pollution-producing process includes wool scouring, carbonization and mercerization and shrinkage prevention. Wool scouring is the production of scoured wool, scoured wool, carbonized wool, etc. In the production process of the product, the raw wool is washed with water or solvent containing surfactants to remove oil and impurities from the raw wool; carbonization is the use of chemical The process of removing vegetable impurities before the carding process; the mercerizing shrinkage-proof process uses chlorine as a chemical additive to remove scales on the surface of wool and The process of applying softener. See Figure A.3 in Appendix A for the production process flow and main pollution-producing links. 4.3.2 Water pollutants 4.3.2.1 Wool scouring Wool scouring wastewater contains pollutants such as oil, plant weeds, soil and animal manure. The total nitrogen concentration is 150-400 mg/L, the total phosphorus concentration is 2.0-6.0 mg/L, and the animal and vegetable oil concentration is 5000-15 000 mg/L. scourer The production volume of sequence wastewater is 15-20 m3/t product. 4.3.2.2 Carbonization Carbonization wastewater contains inorganic acids, plant impurities and other pollutants. Generally, the concentration of CODCr is.200-400 mg/L, and the pH is 2-3.carbon The amount of wastewater produced in the chemical process is 8-10 m3/t product. 4.3.2.3 Mercerized Shrinkage The pollutants in the mercerizing shrinkage-resistant wastewater include active chlorine, AOX and animal protein. Generally, the concentration of CODCr is 400~ 600 mg/L, AOX concentration of 30 to 40 mg/L. The amount of wastewater produced in the mercerizing shrinkage-proof process is 12-18 m3/t of product. 4.3.3 Air pollutants Air pollutants mainly include dust and fiber dust from wool selection, hair opening and carding processes, and unorganized odors from wool selection processes. 4.3.4 Solid waste Solid waste mainly includes sediment, waste oil, waste fiber, waste packaging, and sludge generated during wastewater treatment. 4.3.5 Noise Noise is generated by wool washing machines, carbonization facilities, mercerizing facilities, and mechanical equipment for wastewater treatment, and the source intensity is generally 55 to 75 dB (A). 4.4 Chemical fiber weaving 4.4.1 Production process The water jet loom process of chemical fiber weaving is a mechanical weaving process with water as the weft insertion medium, and the production process will generate waste water. except water jet loom workers Other textile and weaving processes outside the art produce a small amount of equipment and site cleaning wastewater. 4.4.2 Water pollutants Wastewater from water jet looms contains pollutants such as oils, pulp and fibers that fall off chemical fiber filaments. Generally, the concentration of CODCr is.200-600 mg/L. SS concentration greater than 100 mg/L. The amount of wastewater produced by the water jet loom is 50-100 m3/t product. 4.4.3 Solid waste Solid waste mainly includes waste fiber, waste packaging, fiber dust and sludge generated during wastewater treatment. 4.4.4 Noise Noise is produced by mechanical equipment such as looms and wastewater treatment machinery, and the source intensity is generally 75 to 95 dB(A). 4.5 Dyeing and finishing 4.5.1 Production process The dyeing and finishing production process mainly includes four sections. pretreatment, dyeing, printing and finishing. The pretreatment is to remove the fiber surface pulp, oil or The processing process of natural impurities; dyeing is the process of dyeing fiber materials with colors; printing is local coloring, which is to make textiles obtain various colors The processing process of patterns; finishing is to improve the wearing performance of textiles or give textiles some special functions by chemical or physical means processing. 4.5.2 Water pollutants 4.5.2.1 Cotton, linen and blended woven fabrics The dyeing and finishing production process of cotton, linen and blended woven fabrics and the main pollution-producing links are shown in Figure A.4 in Appendix A, and the amount of wastewater produced is 90~ 150 m3/t product. a) Desizing is a process in which alkali, acid, enzyme or oxidant are used to remove the pulp on the fiber. The waste water contains pulp, auxiliaries, oils, etc. pollutants. Generally, the concentration of CODCr is 10,000 to 30,000 mg/L, and the pH is greater than 12. b) Scouring is a process in which hot lye and surfactant are used to further remove impurities such as oil, wax and pectin from fibers. Water contains contaminants such as fiber, pectin, protein, waxes, lignin, alkalis and surfactants. The general CODCr concentration is 1 000～ 2 000 mg/L, pH greater than 12. c) Bleaching is the process of bleaching fabrics by chemical methods, and the waste water contains pollutants such as auxiliaries and lint. cotton weave Hydrogen peroxide is generally used as the oxidant for chemical bleaching. If hemp fabrics are bleached by sub-bleaching and chlorine bleaching processes, the wastewater contains chlorine dioxide. and pollutants such as AOX. The general CODCr concentration is.200-400 mg/L. d) Mercerizing is a process in which the fabric is treated with concentrated alkali to increase the surface gloss, and the waste water contains pollutants such as caustic soda and lint. Generally, the concentration of CODCr is 500-2 000 mg/L, and the pH is greater than 12. e) Dyeing wastewater contains pollutants such as dyes and auxiliaries, and residual dyes will produce aniline compounds and sulfides in the process of wastewater treatment and other pollutants. Generally, the concentration of CODCr is 500-2 500 mg/L, the chromaticity is 300-500 times, and the pH is 8-10. f) Printing wastewater contains pollutants such as dyes, pastes and auxiliaries. Generally, the CODCr concentration is 1.200～2 000 mg/L, and the total nitrogen concentration is 50～2000 mg/L. 300 mg/L. g) Finishing wastewater includes waste finishing liquid and equipment cleaning wastewater, containing pollutants such as chemical finishing agents. The general CODCr concentration is 2 000～ 10 000 mg/L. 4.5.2.2 Wool woven fabrics The dyeing and finishing of woolen woven fabrics is mainly divided into piece dyeing and top dyeing. The production process and main pollution-producing links are shown in Figure A.5 and Figure A.5 in Appendix A. Figure A.6.The amount of dyeing and finishing wastewater of woolen woven fabrics is 100-150 m3/t product. a) Dyeing wastewater includes pollutants such as dyes and auxiliaries. Generally, the concentration of CODCr is 800-2 000 mg/L, and the chromaticity is 300-500 times. pH is 3-6.Such as the use of chromium-containing mordant or auxiliaries in the dyeing process, the wastewater contains hexavalent chromium pollutants. b) Finishing wastewater includes washing, cooking, steaming and other wastewater, which contains pollutants such as fibers and surfactants. The general CODCr concentration is 300～1 000 mg/L, pH 7～10. 4.5.2.3 Silk woven fabrics See Figure A.7 in Appendix A for the dyeing and finishing production process of silk woven fabrics and the main pollution-producing links. The amount of wastewater produced is 180-280 m3/t product. a) Pre-treatment wastewater includes scouring and bleaching wastewater, containing pollutants such as sericin, oil wax and auxiliaries. The general CODCr concentration is 1 500～ 2 500 ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of HJ 1177-2021_English be delivered?

Answer: Upon your order, we will start to translate HJ 1177-2021_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 1177-2021_English with my colleagues?

Answer: Yes. The purchased PDF of HJ 1177-2021_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+ countries

Question 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.