Aluminum Sulphate Iron Free National Standard Quality

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Qingdao
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Min Order Qty:
25 m.t.
Supply Capability:
12000 m.t./month

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Product Description:

1. Chemical and Physical Properties:

Product name: Aluminium Sulphate or Aluminum Sulfate

Shape: Flakes or Granular or Powder.

EINECS NO.:233-135-0

CAS No.: 10043-01-3

HS.Code: 28332200

Molecular Formula: Al2(SO4)3

Appearance:It is white or grey flake,particle or massive crystallization.

Apt to cake after moisture absorption when laid in air for a long time.A little green because of Fe2+ ,yellow when Fe2+ is oxided to Fe3+.Soluble in water easily,and water solution is acid.

2. Specification:

Standard: HG/T 2225-2001 and HG/T 2227-2004

Items

Specifications

I Type:Low Ferrous/Low Iron

II Type:Non-Ferrous/Iron-free

First Class

Qualified

First Class

Qualified

Al2O3 % ≥

15.8

15.6

17

16

Ferrous(Fe )% ≤

0.5

0.7

0.005

0.01

Water Insolube % ≤

0.1

0.15

0.1

0.15

PH (1% aqueous solution) ≥

3.0

3.0

3.0

3.0

Arsenic(As) %≤

0.0005

0.0005

Heavy metal (Pb) %≤

0.002

0.002

Aluminum Sulphate Iron Free  National Standard Quality

3.Applications:

Water effluent treatment system
It's used for purification of drinking water and wastewater treatment by settling of impurities by

means of precipitation and flocculation.

Paper Industry
It helps in sizing of paper at neutral and alkaline pH, thus improving paper quality (reducing spots

and holes and improving sheet formation and strength) and sizing efficiency.

Textile Industry
It is used for color fixing in Naphthol based dyes for cotton fabric.

Other Uses
Leather tanning, lubricating compositions, fire retardants; decolorizing agent in petroleum, deodorizer; food additive; firming agent; dyeing mordant; foaming agent in firefighting foams; fireproofing cloth; catalyst; pH control; waterproofing concrete; aluminum compounds, zeolites etc.

4. Package:

Packaging Detail: PP/PE 50kg/bag;25kg/bag;Jumbo bag or according to customers' requirements.

20-25MT will be loaded in per 20'FCL container.

5. Attention and Storage:

The product is liable to absorb moisture and clot due to long-term exposure, so shady, cool and ventilated environment is needed.

5.FAQ

We have organized several common questions for our clients,may help you sincerely:

①How about your company?

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel,is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customers requirements.

②How to guarantee the quality of the products?

We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

③How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The pecific time of receiving is related to the state and position of customers.Commonly 7 to 10 working days can be served.


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Q:On the issue of chemical balance and catalyst
If the chemical equilibrium does not move, then only the catalyst can change the time to reach equilibrium. If you change the temperature, pressure, it will affect the chemical balance.
Q:Effect of catalysts on reaction rate??
A catalyst provides an alternative route for the reaction, (maybe more steps than previously), but each step having a lower activation energy than the original uncatalysed reaction. This means that although there will be the same number of collisions per second (if the reaction is performed at the same temperature as before), a greater fraction of those collisions will result in a reaction - so there will be more reactions per second. In the case of a heterogeneous catalyst - e.g. a solid surface the change is that the first step is a bond to the surface which waekens some of the bonds in the reactants - again making a greater fraction of reactions result in reaction.
Q:What are catalysts and enzymes?
catalyst are enzymes that increase the rate of a reaction. they both are proteins. so basically, a catalyst is an enzyme that increases the rate of a reaction.
Q:How does oxygen sensor affect catalyst converter?
ok its not catalyst converter its catalytic converter. next i have not read one answer that is correct a couple are close but no cigar. ok the 02 sensor senses the oxygen content in the exhaust gasses. using the oxygen content it can determine if the engine is running to rich or to lean. the ecm (computer) wants to keep the engine at optimum fuel mileage or keep it stoichometric meaning fuel to air ratio of 14.7:1 the ecm can adjust fuel air ratios by changing the pulse width and the duty cycle or on off time of the injector.it also uses several other sensors to help it like intake air temp (iat) coolant temp (cts) mass air readings if equipped (MAF) or manifold absolute pressure (map) so its not just the oxygen sensor it can make adjustments as need. anyways the oxygen sensor uses a .1 to .9 volt range signal anything below .450 is lean anything above .450 is rich and .4 to .5 is perfect. but ur engine constantly changes and the 02 readings change constantly new cars can take readings as fast as one or two times a second older cars are alittle slower. anyways only replace the 02 sensor if the car is telling u its bad meaning u have a check engine light on and a code that says P 0 . . . bank one sensor one ckt malfunction or bank 2 sensor 1 ckt malfunction u get the idea unless that happens ur 02's are good leave them alone. when they do go bad ur car will run rich and puke alittle black smoke out the exhaust and ur car will smell like rotten eggs. NOW the cat its job is to heat up to 600 + degreees F and burn unburnt fuel from the combustion cycle of the engine when an engine does not burn all its fuel its running rich and bad fuel milage occurs. if the 02 sensor goes out it can heat the cat red hot as the extra fuel being burnt inside it can become extremely hot. most 02 sensor for most vehicles run around 60 bucks not expensive. a car can have 1 to 4 of these and YES if bad and left for too long and can ruin a cat converter.
Q:What are the roles of enzymes (protein catalysts) in catalyzing biochemical reactions in the cell.?
Catalysts help shift the equilibrium of a reaction to one that is more favorable. They allow a naturally occurring reaction that may be extremely slow to progress faster or an unfavorable reaction to proceed forward. During the process catalysts are recycled, which means that at the catalyst is the same compound in the beginning and the end of the reaction, although during intermediate steps catalysts can change conformation. Catalysts shift the equilibrium of a reaction by lowering the activation energy of a reaction, which is the energy barrier which must be overcome in order for the reaction to proceed in a desired direction. This can be achieved in several ways such as providing favorable thermodynamic conditions for a reaction or creating intermediates which react more favorably to create the products. Inside the cell a lot of chemical reactions are either too slow to proceed naturally or are simply unfavorable. Catalysts help overcome those barriers. The substrate is the part of the reaction which gets transformed into the products after binding to the active site of the protein.
Q:how do catalysts help in green chemistry?
Catalysts allow more efficient conversion of products in irreversible reactions, or they allow for the faster attainment of equilibrium in equilibrium reactions, thereby reducing time, raw material waste and emissions. Also, because catalysts are reusable, they can be recycled.
Q:Briefly define a homogenous catalyst? Help please!?
A homogenous catalyst is in the same phase as the rxn it is catalyzing. Most people think of catalysts as heterogenous: either sold (cat) liquid (rxn) (Raney Ni hydrogenation) or solid (cat) gas phase rxn) (catalytic convertors, NH3 production, SO2 oxidation, nitric acid production) polyethylene synthesis with Ziegler Natta catalysts. (Wikipedia). However starting probably with the Wilkinson hydrogenation catalyst Rh(PPh3)3Cl in 1966 a whole field of homogeneous catalysis has develope where the catayst is in soln. It proved to be a Renaissance for Inorg chem. These catalysts have several advantages over heterogenous catalysts: take place under mild conditions (green chem); the mechanisms are usually understood and can therefore be modified to be extremely specific for a substrate. There have been several Nobel Prizes in this area in the last decade because of their importance in organic synthesis: 2010, 2005, 2001. The one type of homolytic gas phase catalysis rxn I can think of are those that involve a radical chain mechanism: destruction of O3 by Cl• and chlorination (bromination) of alkanes.
Q:Chemical catalyst in several ways
In general, positive catalyst (accelerated rate) and negative catalyst (slowing down)
Q:Chemistry: Does the catalyst participate in the reaction?
The current theory is generally believed that the catalyst to participate in the reaction, the formation of intermediates, and then re-decomposition of intermediates to generate the catalyst, so the quality and nature of the reaction before and after the same. Experiments have shown that although the nature and quality of the catalyst remain unchanged, some of its aspects, such as morphological changes, before the reaction of massive, post-reaction powder, indirectly prove the above theory. Now high school to do the problem generally according to the theory. Such as copper oxidation of copper oxide, copper oxide and then oxidation of ethanol to acetaldehyde, itself is reduced to copper, so copper is ethanol oxidation of acetaldehyde catalyst
Q:how a catalyst can provide a new route in forming the product?
catalyst speeds up the reaction... i don't know if there is actually 'a new route' in product formation because catalysts should not affect the reaction... it only has to speed up the reaction

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