Polyaluminium Chloride PAC for Water Treatment

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Polyaluminium Chloride PAC for Water Treatment


PAC( Polyaluminium Chloride) is high efficient, cheap and nontoxic inorganic high molecular compound.

The solid is yellow powder. It is easily soluble in water. In the hydrolytic process, it is accompanied with the chemical 

processes such as electrochemisty, coagulation, absorption and precipitation. The product has the features including wide applicable range of pH value, large granule and quick speed in sedimentation. It is widely applied for treating the 

drinking water, industrial water and daily sewage etc, , ,


1.PAC for water treatment
2good activenese, good fiterability.
3. treated water salinity.
4. remove heavy metals and radioa

Polyaluminium Chloride PAC for Water Treatment

Polyaluminium Chloride PAC is mainly used as the flocculating agent for the treatment of drinking water and industrial waste 

water(such as oil waste water, printing and dyeing water and pulping waste water), and it is also applied in the treatment of 

high toxicity heavy metal and F-containing waste water; Morever, it is also widely applied in precise casting, paper-making, 

tanning and other industries.

Main characteristics:
1. The flocculation body takes shape quickly, good activenese, good fiterability.
2. PAC is suitable for wide adaptability, pH value, used widly.
3. PAC treated water salinity.
4. PAC can remove heavy metals and radioactive substances in water pollution.

Item: PAC



Yellow powder

Yellow powder

Alumina  AL2O3                        %



Alkalinity                                %



Water insolubles                        %



PH(1% water Solution)



As(m/m)                                %

≤  0.0002

Pb(m/m)                                %

≤  0.001

Cd(m/m)                                %

≤  0.0002

Hg(m/m)                                %

≤  0.00001

Cr6+(m/m)                               %

≤  0.0005

Polyaluminium Chloride PAC for Water Treatment

Polyaluminium Chloride PAC for Water Treatment


25kg/plastic enhanced paper bags with inner plastic bag, 25kg/PE bags


1.Q: What is MOQ?

  A: Our MOQ is 1 TON. 

2.Q: Could you offer free sample?

  A: We can provide free samples to you for quality testing. 

3.Q: What about your packing?

  A: For liquid: Flexitank, or IBC tank 1000L

For powder:Woven fabric bag with plastic film liner(  25kg or 1000kg)

 Clients’ packing is workable.

4.Q: How about your productive capacity?

  A: 150000 tons/Year. 

5.Q: What is your delivery time?

  A: Within 7 days after received deposit or L/C at sight.

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Q:Can you describe at least 4 ways a catalyst can lower the activation energy of a reaction?
To see how a catalyst accelerates the reaction, we need to look at the potential energy diagram shown below which compares the non-catalytic and the catalytic reaction. For the non-catalytic reaction, the figure is simply the familiar way to visualize the Arrhenius equation: the reaction proceeds when A and B collide with succificient energy to overcome the activation barrier. The change in Gibbs free energy between reactants, A + B, and the product P is delta G. The catalytic reaction starts by bonding of the reactants A and B to the catalyst, in a spontaneous reaction. Hence, the formation of this complex is exothermic and the free energy is lowered. There then follows the reaction between A and B while they are bound to the catalyst. This step is associated with an activation energy; however, it is significantly lower than that for the uncatalyzed reaction. Finally, the product P seperates from the catalyst in an endothermic step. The energy diagram illustrates 4 ways the catalyst works : The catalyst offers an alternative path for the reaction that is energetically more favorable The activation energy of the catalytic reaction is significantly smaller than that of the uncatalyzed reaction; hence the rate of the catalytic reaction is much larger The overall change in free energy for the catalytic reaction equals that of the uncatalyzed reaction. Hence, the catalyst does not affect the equilibrium constant for the overall reaction. A catalyst cannot change the thermodynamics of a reaction but it can change the kinetics. The catalyst accelerates both the forward and the reverse reaction to the same extent. In other words, if a catalyst accelerates the formation of product P from A and B, it will do the same for the decomposition of P into A and B.
Q:explain how a catalyst can affect the rate of reaction but not be in the overall equation.?
a catalyst is a substance that speeds up the rate of reactions that would already happen (the reactions are spontaneous) but would take a long long time to occur. Every reaction proceeds from a level of high energy to a lower level of energy, but in order to start going downhill you need to get up, in affect getting more energy than the reactants have now. This is because the transition state, or what the reactnat/product is in the middle of the reaction, is less stable and requires more energy than the reactants. Catalysts lower the extra energy needed (called activation energy) to a level that the reactants already have, and the reaction occurs.
Q:Exemplify the use of green catalysts in green chemistry
The role of the catalyst is to control (speed up or slow down) the rate of chemical reactions. If you have to add a "green", perhaps this catalyst also requires not to pollute the environment or harmful to humans. Such as fertilizer used in the manufacture of platinum catalysis should belong to this.
Q:Effect of Catalyst on Chemical Reaction Rate
The catalyst can only change the rate of chemical change (faster or slower), does not change its own quality and chemical properties, nor does it change the amount of reaction product.
Q:What are catalysts?
catalysts are substances that alter the rate of a reaction.a suitable catalyst would be finely divided platinum.
Q:What chemical reactions can water do the catalyst?
Many solid and solid reactions can be converted into reactions between liquids, which speeds up the reaction rate, and perhaps the water here is the catalyst.
Q:Write a chemical formula in a chemical laboratory without the use of a catalyst for oxygen
2Na2O2 + 2H2O = 4NaOH + O2 ↑
Q:Why are transition metals more likely to be catalysts?
transition okorder.com/... for ex-- X (one reactant) + catalyst(transition element) ------X.catalyst(intermediate unstable compound) X.catalyst + Y (other reactant) --------XY(product) + catalyst how the change in oxidation state of transition elements helps the reacton through the formation of intermediates may be seen from reaction in between SO2 and O2 to form SO3 in presence of V2O5 ... V2O5 + SO2 ------V2O4 + SO3 2V2O4 + O2 ------2V2O5 in the above reaction vanadium changes its oxidation state from +5 to +4 and again to +5.. another example is reaction in between iodide and persulphate ions in presence of Fe(III) as catalyst... 2I(-) + S2O8(2-) ---------I2 + 2SO4(2-) (Fe(III) is present as catalyst) the reaction is believed to take place as follows: 2Fe(3+) + 2I(-) ------2Fe(2+) + I2 2Fe(2+) + S2O8(2-) ------2Fe(3+) + 2SO4(2-) (3)in number of cases transition elements provide a suitable large surface area with free valencies on which reactants are absorbed ...as a result concentration of reactants on surface of catalysts increases..hence rate of reaction increases...this is known as adsorption theory.... according to adsorption theory : there are free valencies on surface of solid transition metals because of the incomplete d-subshelll.. so the mechanism of catalysis involve followin five steps: (1) diffusion of reactant molecules towards surface of catalyst... (2) adsorption of reactant molecules on surface of catalyst by forming loose bonds with catalyst due to free valencies... (3)occurence of chemical reactions between reactant and catalyst forming an intermediate.. (4)desorption of product molecules from surface due to its lack of affinity for the catalyst surface thereby making the surface free for fresh adsorption of reactant molecules... (5)diffusion of product molecules away from surface of catalyst...
Q:Which of the following statements is not true of a catalyst?
(c) fairly catalyst varies the path of reaction or u can say mechanism of reaction in which activation ability receives decrease hence of which fruitful collisions occurred at extremely decrease temperature so greater beneficial opportunities for molecules to bypass activation complicated a catalyst is a substance that lowers the activation ability of a chemical reaction yet itself final unchanged in the process the time of the reaction
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.

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