2021年11月21日星期日

What is the difference for Cationic, anionic, non - ionic polyacrylamide in applications?

 Polyacrylamide (PAM) is a linear water-soluble polymer, which is the most widely used water-soluble polymer compound.

One of the varieties, PAM and its derivatives can be used as a highly effective flocculant, thickener, paper intensifier and liquid resistance reductionAgent, widely used in water treatment, paper making, petroleum, coal, mining and metallurgy, geology, textile, construction and other industrial sectors.

Different uses:

Non-ionic polyacrylamide uses:

Sewage treatment agent: non-ionic polyacrylamide is more suitable as flocculant when the suspended sewage is acidic. This is PAM adsorption bridge role, so that the suspended particles flocculation precipitation, to achieve the purpose of sewage purification. Can also be used for the purification of tap water, especially with the use of inorganic flocculant, the best effect in water treatment.

Textile industry auxiliaries: add some chemicals can be made into chemical data, used for textile sizing.

Sand control and sand fixation: non-ionic polyacrylamide dissolved into 0.3% concentration to add crosslinking agent, spray on the desert can play a role in sand control and sand fixation.

Soil humectant: used as soil humectant and various modified polyacrylamide basic raw materials.

Cationic polyacrylamide uses:

Sludge dewatering: according to the nature of pollution can choose the corresponding brand of this product, can effectively gravity sludge before entering the pressure filtration

Water. Dehydration, the production of flocculation, non-stick filter cloth, in the pressure of the filter does not disperse, less dosage, high dehydration efficiency, mud cake moisture content in 80%.

Sewage and organic wastewater treatment: this product in acidic or alkaline media are positive, so suspended in sewage.

Particle with negative charge of sewage flocculation precipitation, clarification is extremely effective, such as liquor factory wastewater, brewery wastewater, gourmet gourmet factory wastewater, sugar factory wastewater, Meat and food factory wastewater, beverage factory wastewater, textile printing and dyeing factory wastewater, with cationic polyacrylamide than anionic polyacrylamide, non-ionic polyacrylamide or inorganic salt effect is several times or dozens of times higher, because this kind of wastewater is generally with negative charge.

Flocculant for water treatment of waterworks: this product has the characteristics of less dosage, good effect and low cost, and it has better effect when combined with inorganic flocculant.

Oilfield chemicals: such as clay antiswelling agent, thickening agent for oilfield acidification, etc.

Paper additives: cationic PAM paper strengthening agent is a water-soluble cationic polymer containing amino formyl, with strengthening, retention, filtration and other functions, can effectively improve the strength of paper. The product is also a highly effective dispersant.

Anionic polyacrylamide uses:

Industrial wastewater treatment: for suspended particles, higher concentration, particles with positive charge, the PH value of water is neutral or alkaline

Sewage, iron and steel plant wastewater, electroplating plant wastewater, metallurgical wastewater, coal washing wastewater and other sewage treatment, the best effect. Drinking water treatment:

The water source of many waterworks in Our country comes from rivers, silt and mineral content is high, relatively turbid. although filtered by precipitation, it is still

Can not meet the requirements, need to add flocculant, dosage is 1/50 of inorganic flocculant, but the effect is several times of inorganic flocculant,

For serious organic pollution of river water can be used inorganic flocculant and my company's cationic polyacrylamide with the use of effect

Fruit is better. Amylase factory and distillery loss of starch distillery recycling: now many amylase factory wastewater contains a lot of starch, now

Anionic polyacrylamide is added to make starch particles flocculate and precipitate, and then the precipitate is pressed into cake shape by the press filter, which can be made

Feed, alcohol factory can also use anionic polyacrylamide dehydration, pressure filtration recovery.

Product introduction: Polyscrylamide is short for PAM. It is cationic, anionic and non-ionic. The molecular weight of PAM ranges from 4 million to 20 million.

Product performance:

Polyacrylamide molecules with positive groups (-CONH2), and dispersed in the solution of suspended particles adsorption and bridging, has a strong flocculation, so it is widely used in water treatment and metallurgy, paper making, petroleum, chemical, textile, mineral processing and other fields. PAM used for sewage treatment, the removal efficiency of organic matter in water is high, the amount of less, the sedimentation speed is fast, the cost of water is low, is other flocculant can not replace the product.

There are anionic, cationic and nonionic polyacrylamide types.

Anionic type is mainly used for domestic production water, industrial and municipal sewage treatment. It is also suitable for flocculation and sedimentation of red mud and mud separation in the process of alumina preparation. Cationic type with high molecular weight is mainly used for flocculation and precipitation of water suspension and turbidity. It is very difficult to flocculate when acidic and partial acidic solutions contain organic turbidity. In this case, cationic polyacrylamide can effectively flocculate precipitation, showing its outstanding performance. Use the form of 0.1-0.2% aqueous solution, must be prepared with water Ph≤7, with dilute solution after easy hydrolysis. It should be used together or used up on the same day, not for a long time.

Usage: PAM can be used alone or in combination with PAC for water treatment, but the mixing of PAM and PAC must be carried out separately. Determine the amount of water and dosage for dilution according to their own conditions.

Packaging and storage: The product is double-sealed with non-toxic POLYETHYLENE bag inside and plastic woven bag outside. The net weight of each bag is 25kg. Take precautions against moisture and avoid package damage. Store in a clean and dry environment.

 

Anionic polyacrylamide

features:

It is mainly used to deal with neutral suspensions mainly composed of inorganic solids.

use:

Anionic polyacrylamide is used to improve the removal of suspended solids, BOD and phosphate in municipal and industrial wastewater treatment. Adding 0.25mg/L hydrolyzed polyacrylamide in the primary wastewater sedimentation tank can increase the removal rates of suspended solids and BOD to 66%-23%, respectively. When 0.3mg/L anionic flocculant was added into the secondary wastewater treatment sedimentation tank, the removal rates of suspended solids and BOD could be increased to 87% and 91%, respectively. In the treatment of drinking water and domestic wastewater, it is used for surface water clarification, cleaning wastewater clarification and filtrate adjustment, etc. , used in mining for the clarification and flotation tailings, coal washing water plant filter, tailings (residue) dehydration, flotation tailings thickening and filtering to clarify, concentrate and hot potash solution and flotation processing liquid clarification, fluorite and barite flotation tailings clarification, are also used in the original brine salt processing, clarification of sludge dewatering, and phosphate recycling water treatment, etc. In casting and manufacturing industries, it is used for the purification of open furnace gas washing water, the clarification of waste water from powder metallurgy and pickling plants, the purification of electrolyte and the clarification of electroplating waste liquid.

 

Cationic polyacrylamide

Product Overview:

Cationic polyacrylamide is made of cationic monomer (DM, DMC, CPF, KMKAAC, DMAEMA, etc.) copolymerization of acrylamide, to granulation, drying, crushing, product appearance is white fine particles or powder.

Main uses:

1, sludge dewatering: according to the nature of sludge can choose the corresponding products of the corresponding molecular weight of the product, can effectively in the sludge into the pressure filter before gravity sludge dewatering. Dehydration, the production of large flocs, non-stick filter cloth, in the pressure of the filter does not disperse, less dosage, high dehydration efficiency, mud cake moisture content in 80% below.

2, sewage and organic waste water treatment: this product in acidic and alkaline medium is electropositive, so that the suspended particles in wastewater with negatively charged sewage flocculation precipitation, such as alcohol plant waste water, wastewater, RouShiChang brewery wastewater and gourmet powder factory wastewater, sugar refinery wastewater, beverage factory waste water, textile dyeing wastewater, etc., With cationic polyacrylamide than anionic polyacrylamide, non-ionic polyacrylamide or inorganic salt effect is several times or tens of times higher, because this kind of water with negative charge.

3, water plant flocculant treatment: the product has the characteristics of less dosage, good effect, low cost, especially with inorganic flocculant compound use effect is better. It will be a highly effective flocculant for water plants in the Yangtze, Yellow and other basins.

4, paper additives: cationic PAM paper strengthening agent is a water-soluble cationic polymer containing amino formyl, with enhanced, retention, filtration and other functions, can effectively improve the strength of paper. The product is also a highly effective dispersant

5, oil field chemicals: polyacrylamide in oil field drilling and oil field exploitation also has a certain chemical effect, such as it can be used as clay antiswelling agent, oil field acidification with thickening agent.

 

Nonionic polyacrylamide

Product Overview

Non-ionic polyacrylamide is a homopolymer of acrylamide monomer, which is granulated, dried and crushed. The appearance of the product is white fine particles or powder solid.

Main Purpose

1, all kinds of modified polyacrylamide basic raw materials

Such as anionic polyacrylamide, according to the use of different grades of non-ionic polyacrylamide as a base raw material for hydrolysis, Manich positive ion polyacrylamide, one of the most important basic raw materials.

2, textile industry auxiliaries

Add some other chemicals can be prepared into chemical slurry, used for textile sizing, can improve the adhesion, permeability and desizing performance, is the textile has anti-static, reduce the skein pulp spot, cloth machine break rate and falling, therefore, it has become the textile industry to chemical additives.

3, can be used for sewage treatment

When sewage show acid slurry, using nonionic polyacrylamide, as flocculating agent is most appropriate, then is adsorption of PAM, suspending particles produce flocculation precipitation, achieve the purpose of purifying water, also can be used as water treatment, this product is non-toxic, especially and inorganic flocculant, the best water treatment results.

4. Chemical grouting agent

Using 9.5 parts of non-ionic polyacrylamide plus 0.5 parts of N, N -- methylene bisacrylamide miscible can be used as a chemical grouting agent for water plugging of dam, ground grave and tunnel.

5, sand control and sand fixation

Non-ionic polyacrylamide into 0.3% concentration of solution, in the addition of crosslinking agent, spray on the desert, can play a role in sand control and sand fixation. The compromise method is one of the most effective ways to control desert and prevent desertification.

6. Soil moisturizer

Non-ionic polyacrylamide is highly hygroscopic, it can retain moisture in the soil, in arid areas, the use of the product can improve the soil.

7. Profile control and water plugging agent in oil field

Non-ionic polyacrylamide can be widely used as profile control and water plugging agent in oil field by combining with essential cellulose and adding certain chemical additives.

 

Website: https://www.asiafloc.com 

Development trend of labeling machine

 At present, labels are attached to food packages in the market. It is reported that the label is to comply with the market demand for environmental protection, resource saving and gradually born. At the same time, as the society attaches more and more importance to green energy saving, labeling machine must be combined with the market to complete the upgrading and transformation.  

 

Energy saving and environmental protection of labeling machine.  

 

With the rapid development of the global economy, the competition is becoming more and more fierce, and people's demand for printed matter is also constantly improving. Printing has become an indispensable part of our life. Whether it is newspaper, advertising posters, enterprise picture albums, or moon cake box packaging, it is closely related to printing.  

 

Due to the continuous improvement of modern people's demand for printing, it is not only reflected in the number of printing, but also pays more attention to the pursuit of high quality of printing.  However, due to the increasing cost of printing raw materials in recent years, the price of printed matter is not rising but falling. Now the printing industry urgently seeks the transformation route of low-cost, high-efficiency printing of high-quality printed matter.  Many printing products are changed to labeling products, the original printing is not only serious pollution, but also time-consuming and laborious, waste of resources and can not meet the high standards of modern people.  In this form, self-adhesive labels gradually become popular, and then the hot market of self-adhesive labeling machinery is pushed out. It is no longer just the food industry that chooses automatic labeling machine, but all walks of life, including daily chemicals, medicine, stationery, printing and packaging, have begun to be popularized.  Self-adhesive paper can be processed, packaging bottles, caps can also be recycled, energy saving and environmental protection.  

 

Vigorously develop green printing labeling machine.  

 

The General Administration of Press and Publication and the Ministry of Environmental Protection officially signed the Strategic Cooperation Agreement on the Implementation of Green Printing on September 14, 2010, which marks that China's green printing has entered the concrete implementation stage.  China's 12th Five-Year plan also focuses on the development ideas of green printing. In the plan, we should give priority to the work of green printing in primary and secondary schools, and gradually promote the packaging and printing field such as the procurement of printing materials from the government.  The government began to introduce measures to the printing industry, marking China's determination to become a world printing power.  Green printing is the only way to develop urban industry and international city.  

 

Seize the development opportunity of labeling machine.  

 

Vigorously advocate the development of green printing, is an important part of the national twelfth Five-Year Plan.  "Green printing" in the new era not only means low carbon, energy saving and environmental protection, but also represents high and new technology, high efficiency, high yield and low cost.  Green printing, in line with the requirements of the new era, will be the development trend of the printing industry in the future, but also the direction of sustainable development in the future.  Under the combination of the requirements of the new era and the market, the printing enterprises of the printing industry are facing the upgrading and transformation. Only when you constantly improve your competitiveness and sense of competition can you advance in the printing torrent.  We should bravely assume the responsibility of environmental protection for the society, the country and the whole world, and the society will reward us with unlimited and broad development opportunities.  

 

Now is an era of the Internet, network e-books, electronic newspaper spread in the market.  The promotion and use of electronic products in the market, electronic products have the advantages of low environmental protection, green, convenient, quickly occupy the market, undoubtedly to the printing market is not a small impact, this alarm to remind the printing industry to rapidly transform and upgrade, in order to meet the needs of market development.  

 

Reform labeling machine to develop.  

 

Generally speaking, if you want to survive and develop in the printing industry, you must quickly meet the needs of the market, carry out institutional reform, innovate in the reform, and develop in the innovation. Only by constantly improving their competitiveness and awareness of competition can the enterprise become bigger and stronger.  

 

Wesite Here: https://mgfillingmachine.com 

2021年11月4日星期四

Why use RFID tags on clothes ?

 In the textile and apparel industry, there are many problems, for example, in spinning mills, it's hard to track the bales of cotton and yarns, workers usually mixed the different yarn or lost. RFID technology can solve all problems. Use RFID in manufacturing, inventory control, warehousing, distribution, logistics, automatic object tracking, and supply chain management. Such as like, the finished garments, different pattern pieces, and accessories can be traced and the progress of the production process can be monitored.

 

A series of troubles one-of-a-kind to fashion business can be fixed by mounting the RFID system in numerous procedures associated with the style supply chain. The garment industry can be separated right into four sectors such as manufacturing, overseas transportation, circulation, and also selling. In making RFID can be made use of to prevent product and part blending, and blending of different devices. In abroad transport RFID can be utilized to track and map the consignment prior to and after Free aboard if the product is outsourced. RFID largely can solve the problem of sorting as well as tracking the product extremely promptly, therefore decreasing the preparation throughout distribution. In the majority of the retail stores, space is a constraint, which needs to be made use of successfully. RFID is utilized to handle the stock to identify the product rapidly hence aid to solve the issue.

 

RFID tag for cloth Inventory management.

Making use of RFID system assists in better supply management and also improves the consumer buying experience. The RFID system can suggest the sort of apparel marketing faster or slower, which supply customized ad on selected clothing according to the RFID tags. The RFID usage additionally assists in lowering labor. For instance, American Apparel used an RFID system in 8 of their stores, which saved concerning 60-- 80 h each week in labor and also reduced out-of-stock items owing to unawareness. In a similar way, the Japanese clothing supplier 'Sankei' is utilizing an RFID system in manufacturing to track clothes throughout the manufacturing process along with the online sales.

 

An effective study has actually been performed by Kaufhaulf department shop in Europe on the effect of RFID on their procedures as well as supply chain. They have ended that RFID can be made use of in warehousing to track the goods and help in the cross-docking procedure as the goods have gotten are not segregated in the stockroom yet kept as they are gotten from the manufacturer. In the distribution center's receivable location RFID visitors can be implemented to track the goods as they are available in. The received goods are registered as well as the data kept on RFID reader can be checked out for each and every good though obtained in pallets or specific fashion items on the hanger. In this, the job of counting hangers, items, and also pallets can be gotten rid of and quantity can be regulated up to 100% satisfaction level.

 

RFID tag for garment Manufacturing control

Inside the shops of the production department, the stock degree can be rapidly monitored which assists in real-time as well as effective supply monitoring The location and also the motion of the components, semi-finished and the completed items can be discovered by the RFID system, which assists in production monitoring and also controls. The performance of departments and the people can be reviewed by the price of activity of the garment components from the departments or people. This aids in enhancing productivity as well as top quality. In the packing floor, the mixing of various designs and dimensions can stay clear by RFID tags. Also, the variety of pieces in stuffed cartons can be counted without opening, which conserves time as well as work.

 

RFID garment tag for Retail administration.

It can be made use of in retail to monitor and also manage the flooring degree out-of-stocks (OOS). It is mostly required where there is high product display density, reduced staffing level as well as possibilities of mishandling is really high. The supply degree of the things is properly maintained and the items can be organized according to their need. In a similar way, while obtaining the goods at the shop the accuracy of the deliveries can be ensured rapidly with much less labor. This can improve inventory precision and automated replenishment of supply. Primarily the stores confirm the accuracy and honesty of the shipment by open-box audit before equipping or keeping of items. But now it is feasible to review all the things loaded inside the container without opening, which conserves time as well as work cost. So the RFID offers a new horizon to the stores in obtaining products, which removes the invoice disputes, blending of different top quality items, and so on

 

The RFID has actually been made use of by the number of major retailers in Europe and also the USA. Walmart is amongst the early adopters of RFID throughout their supply chain and also the vendors working with Walmart had actually been under pressure to carry out RFID in their supply chain element as well. The factor of applying RFID is in line with Walmart's company strategy of being expensive competition and faster action. After successfully applying, as well as the use of RFID by Walmart, various other huge stores like Marks and also Spencer as well as Tesco in the UK, are embracing it, Coles group in Australia have provided a thought of welcoming this innovation. The garment industry is constantly regarded as the late adopter of brand-new innovation than others, however, in embracing RFID it is not dragging.

 

The theft of garments from the dressing room can be prevented by installing a few RFID readers at the entrance factor of the space. The tag information of the garment is recorded when the consumer takes the garment to the fitting room. The items that are required to the fitting room however not come out are reported as prospective loss things. So the RFID can be made use of to recognize the missing out on merchandise and also the prosecution of the kleptomaniacs. Furthermore, the dislocation of the clothing is automatically detected as well as consumers can be offered advice on the fitting of the garments they are trying on. The later job can be achieved by the use wise try-out cabins as well as clever mirrors. The wise mirror can recommend additional apparel as well as fashion accessories. Companies such as Marks and also Spencer, Levi Strauss & Co. are installing RFID to get data on the number of stocks daily so that the supply can be restored. Nevertheless, a considerable difference was observed between the information gotten from the RFID systems and the actual supply degrees.

 

Source: https://www.dorfidtag.com/Why-use-RFID-tags-on-clothes--_2528.html