Polyacrylamide PAM water treatment application

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Quick Details

Classification: Chemical Auxiliary Agent
CAS No.: 9003-05-8
Other Names: water treatment PAM
MF: CONH2[CH2-ch]n
EINECS No.: 207-173-7
Purity: 100%
Usage: Coating Auxiliary Agents, Leather Auxiliary Agents, Paper Chemicals, Surfactants, Textile Auxiliary Agents, Water Treatment ChemicalsType: surfactant
appearance: white powder or granuleModel Number: C1037
Packaging & Delivery

Packaging Details:	25kg/bag .kraft bag with inner plastic or accordance with the customers' demand
Delivery Detail:	within 15 days after order confirmed

Specifications

1)PAM;
2) Molecular weight: 6million ;
3) Inherent content: 90% min;
4) ISO 9001: 2008 standards;
Polyacrylamide PAM water treatment application

PAM

Description:

PAM is a linear water-soluble polymer, and is a kind of widely applied in the Water soluble polymer. t consists of acrylamide monomer polymerization, the molecular backbone with large side group.- Amide group. Amide group activity is very big, can reaction with various compound and produce many PAM derivatives. So, polyacrylamide is not only a series of derivatives, but aslo has a variety of valuable properties, such as: flocculation, anchoring (thick), surface activity, etc. Polyacrylamide is a kinds of series of products. Because of the different relative molecular mass and electrical ,so there are many different varieties, and molecular world of the senses in base reaction and derived more varieties, these products have their own unique performance, therefore has the corresponding use object. General which can be divided into several categories.

From the relative molecular mass to classification, can be divided into low molecular weight polyacrylamide (molecular weight below 1 million), the relative molecular mass polyacrylamide (relative molecular mass in 1 million ~ 10 million), high molecular weight polyacrylamide (relative molecular mass 10 million ~ 15 million), ultra high molecular weight polyacrylamide (relative molecular mass in more than 17 million).

Polyacrylamide series products according to the ion characteristic can be divided into the categories: nonionic and anionic, cationic and amphoteric polyacrylamide. The polymers can be homopolymer, also can be copolymer.

PAM molecular chain is very long, this makes it between particles in bridge, pull them together and rapid settlement; Polyacrylamide can greatly reduce the fluid energy. through the pipeline .Therefore polyacrylamide in many fields have a wide range of USES. The use of polyacrylamide in China of the first four large were production industry, water treatment, ore dressing and coal washing, papermaking.

specification and main technical indicators:

Main technical indicators name	anion	nonionic	cation
Appeatance	white granule/powder	white granule/powder	white granule/powder
grain diameter(mm)	<2	<2	<2
molecular weight(ten thousand)	300-2200	300-1200	300-1200
degree of hydrolysis(%)	15-80	5-15	10-80
soild content(%)	≥90	≥90	≥90

Polyacrylamide PAM water treatment application

Application Field:

1.Polyacrylamide is widely used in oil production of chemical additives (oil additives) drilling mud agent, water shutoff profile control agent, tertiary oil displacement agent, etc.

2.Polyacrylamide is widely used as a mining mineral processing reagents, such as copper, iron ore, gold flotation and tailing water treatment, coal mine coal washing flocculation and water treatment, starch factory and alcohol plant of starch and vinasse recovery, etc.

3.Polyacrylamide is widely used in drinking water, water supply and drainage of various processing, such as tap water factory system water, metallurgy industry sewage treatment, oil chemical industry wastewater treatment, food industry wastewater treatment, pharmaceutical enterprise sewage treatment, and urban sewage of comprehensive treatment, caustic soda production, industrial brine purification, phosphoric acid process flocculation precipitation and so on many kinds of industry, PAM flocculation precipitation effect is very good.

4.For all kinds of sludge dewatering, according to the different sludge properties choose corresponding product brand, can effectively in the sludge into the dehydration machine before gravity sludge dewatering. Dehydration, produce floccules big, do not glue the filter cloth, in filter without diffusing, consumption and dewatering efficiency is high, the mud cake moisture content under 80%.

5.In the paper industry, polyacrylamide is used as paper strengthening agent, textile industry used as sizing agent and fabric finishing agent, the construction industry used for coating of the thickener and the cement of anchoring and chemical grouting agent, but also can be used for desert governance, afforest not of super absorbent polymers, such as soil amendment.

Application Method:

1. The product should be prepared for the water solution of 0.1% as concentration. It is better to use neutral and desalted water.

2. The product should be scattered evenly in the stirring water, and the dissolving can be accelerated by warming the water (below 60 °C).

3. The most economical dosage can be determined based on a preliminary test. The pH value of the water to be treated should be adjusted before the treatment.

Polyacrylamide PAM water treatment application

Package and Storage:

1. The solid product can be packed in inner plastic bags, and further in polypropylene woven bags with each bag containing 25Kg.

2. This product is hygroscopic, so it is should be sealed and stored in a dry and cool place below 35°C.

3. The solid product should be prevented from scattering on the ground because the hygroscopic powder can cause slipperiness.

Q: A biological catalyst or a chemical reaction facilitator is know as a/an?: A biological catalyst is an enzyme. Here are more details for you. Enzymes – biological catalysts Normally chemical reactions do not proceed spontaneously, but require the help of a catalyst. A catalyst accelerates a chemical reaction without itself being changed. For example, the reaction of hydrogen with oxygen to produce water requires the addition of the metal platinum. These days we encounter the concept of a catalyst most often in connection with technology for cleaning up the exhaust fumes from our automobiles, where platinum and rhodium catalyze the breakdown of polluting nitrogen oxides. Chemical reactions within living cells must also be catalyzed. Biological catalysts are called enzymes. There is, for instance, an enzyme in our saliva which converts starch to a simple sugar, which is used by the cell to produce energy, and another enzyme which degrades the excess lactic acid produced when we overexert ourselves. All green plants contain enzymes which convert carbon dioxide in the air to nutritious carbohydrates such as sugar and starch. Without enzymes life would not be possible! Enzymes are highly selective. Among the thousands of different compounds in a cell, an enzyme can recognize the right molecule (substrate) and transform it into a new product. This property arises from the special three-dimensional structure of each enzyme. One can compare an enzyme and its substrate with a lock and its key. Enzymes are very effective catalysts. A chemical reaction might require several months to reach completion without a catalyst, but only a few seconds with the help of an enzyme. Since the enzyme remains unchanged, one enzyme molecule can catalyze the transformation of millions of substrate molecules. Up until the beginning of the 1980's, all enzymes were thought to be proteins. We now know that proteins do not have a monopoly on biocatalysis. RNA molecules can also function as enzymes.

Q: Why the amount of catalyst is too small will make the chemical reaction rate slowed down: Whether the chemical reaction can be carried out according to the change of free energy, but only according to the change of free energy can not determine whether the reaction can be completed, because the chemical reaction is also completed by the reaction of the energy barrier, that is, if the reaction energy barrier is high, To provide some energy, across the barrier, to complete the reaction. The energy barrier is called activation energy. And the role of the catalyst is to reduce the activation energy, so that in a relatively harsh environment, chemical reaction occurs.

Q: High school knowledge __ teacher do not know right!: Nothing to do, but with the percentage of activated molecules, is proportional to

Q: In the chemical reaction, why can the catalyst speed up the reaction rate: Iron catalyzes nitrogen and hydrogen synthesis of ammonia, and no iron reaction occurs almost.

Q: Please help me: enzymes are like chemical scissors that break up starch inside your body they work best at 37'c which is body temperatur i think they are in the stomach? don't know for sure hope this helped as for catalysts i dont know

Q: In the chemical reaction will have to use the catalyst reaction, such as H2O2 === (MnO2) H2O + O2 ↑, then the catalyst in the end to participate in the reaction (that is, the catalyst itself is the reactant) If so, why are some of these substances in the reaction (these substances refer to the catalyst) in the reaction after the quality and nature of the change does not change?: The composition, chemical properties and quality of the catalyst itself do not change before and after the reaction; its relationship with the reaction system is as highly selective (or specific) as the relationship between the lock and the key. A catalyst does not catalyze all chemical reactions. For example, manganese dioxide catalyzes the thermal decomposition of potassium chlorate, accelerates the reaction rate, but does not necessarily have a catalytic effect on other chemical reactions. Some chemical reactions are not only the only catalyst, such as potassium chlorate can be thermally decomposed to catalyze the presence of magnesium oxide, iron oxide and copper oxide and so on.

Q: Chemical reactions in the presence of impurities will cause catalyst poisoning, how to understand this sentence: Catalyst poisoning reaction of raw materials contained in the trace impurities to the catalyst activity, selectivity significantly decreased or lost phenomenon. The nature of the poisoning phenomenon is a trace of impurities and the catalytic activity of the center of a chemical effect, the formation of non-active species. In the gas-solid heterogeneous catalytic reaction is formed in the adsorption complex. One is that if the toxic and active components of the role of weak, can be a simple way to restore the activity, known as reversible poisoning or temporary poisoning. The other is irreversible poisoning, it is impossible to restore the activity in a simple way. In order to reduce the side reaction activity, it is sometimes necessary to allow the catalyst to be selected for poisoning.

Q: An important property of the catalyst is that the reaction equilibrium is not changed while increasing the forward reaction rate and the reverse reaction rate. However, because the enzyme for the specificity of the substrate, is not almost every reaction by the enzyme are one way to do it.: In biochemical reactions, most appear to be positive / inverse reaction combinations, in fact there are differences in peripheral product / energy offerings. In addition to the molecules of interest, there are many other small molecules involved in the reaction, and these small molecules in the forward or reverse reaction in the transformation is not completely mutually negative. Even for the same reaction, since the corresponding substrate may be removed in the subsequent step and the pulling balance occurs, it is also possible that the forward or reverse direction can occur. Decisive factors usually come from the surrounding other enzymes, coenzymes, small molecules concentration.

Q: What is the catalyst called?: Junior high school book definition: in the chemical reaction can change the chemical reaction rate of other substances, and its own quality and chemical properties before and after the reaction did not change the material called catalyst, also known as catalyst. The role of the catalyst in the chemical reaction is called catalysis.

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