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BALLAST WATER NEUTRALIZER

BALLAST WATER NEUTRALIZER

BALLAST WATER NEUTRALIZER

Product Description | Product Application | Product NotesProduct DOSE

Sodium Metabisulfite  is an inorganic compound frequently used as a disinfectant, antioxidant and preservative agent.  We are supplier and exporter of Sodium Metabisulfite in Mumbai, Kandla, Chennai, Visakhapatnam, Kolkata, Fujairah - Dubai, Muscat Oman Sohar Barka.

Code: RXSOL-23-1496-125

Other Equivalent Brand

Sodium Pyrosulfite, 7681-57-4, SMBS, Sodium Meta Bi Sulphite SMBS SWRO, Disodium pentaoxodisulphate, Disodium disulfite, Sodium pyrosulfite, Sodium Disulfite, BALLASTGUARD SMBS, TG Enviromental Guard, Sodium Sulfite 25 Kg

Short Description: SMBS Used as a disinfectant, antioxidant and preservative agent. It is used as a cleaning agent for potable water reverse osmosis membranes in desalination systems. It is also used to remove chloramine from drinking water after treatment. Also used in printing and dyeing and dechlorination of text

Generic Name: Sodium Pyro sulphite and Sodium Meta Bi Sulphite SMBS

Active Matter: 65-67

BALLAST WATER NEUTRALIZER

Application:

Dechlorination  When RO or NF membrane is used in the RO/NF process, the feed must be dechlorinated to prevent oxidation of the membrane. RO membranes have some chlorine tolerance before noticeable.

Dechlorination 

When RO or NF membrane is used in the RO/NF process, the feed must be dechlorinated to prevent oxidation of the membrane. RO membranes have some chlorine tolerance before noticeable loss of salt rejection is observed. The first sign of chlorine attack on RO/NF membrane is loss of membrane flux followed by an increase in membrane flux and salt passage. Eventual degradation may occur after approximately 200–1,000 hours of exposure to 1 mg/L of free chlorine (200–1,000 ppm-h tolerance). The rate of chlorine attack depends on various feed water characteristics. Under alkaline pH conditions, chlorine attack is faster than at neutral or acidic pH. An acidic pH is preferred for better biocidal effect during chlorination. Chlorine attack is also faster at higher temperatures and higher concentrations of heavy metals (e.g., iron), that can catalyze membrane degradation. Since oxidation damage is not covered under warranty, Technical person always recommends removing residual free chlorine by pretreatment prior to exposure of the feed water to the membrane. Other oxidizing agents such as chlorine dioxide, hydrogen peroxide, ozone, and permanganate are capable of damaging RO/NF membranes also if not used properly. 

Residual free chlorine can be reduced to harmless chlorides by activated carbon or chemical reducing agents. An activated carbon bed is very effective in the dechlorination of RO feed water according to following reaction: 

C+2Cl2 +2H2O→4HCl+CO2 

Sodium metabisulfite (SMBS) is commonly used for removal of free chlorine and as a biostatic. Other chemical reducing agents exist (e.g., sulfur dioxide), but they are not as cost-effective as SMBS. 

When dissolved in water, sodium bisulfite (SBS) is formed from SMBS: Na2S2O5 + H2O → 2 NaHSO3 

SBS then reduces hypochlorous acid according to: 2NaHSO3 + 2HOCl → H2SO4 + 2HCl + Na2SO4 

In theory, 1.34 mg of sodium metabisulfite will remove 1.0 mg of free chlorine. In practice, however, 3.0 mg of sodium metabisulfite is normally used to remove 1.0 mg of chlorine. 

 

The SMBS should be of food-grade quality and free of impurities. SMBS should not be cobalt-activated. Solid sodium metabisulfite has a typical shelf life of 4–6 months under cool, dry storage conditions. In aqueous solutions, however, sodium bisulfite can oxidize readily when exposed to air. A typical solution life can vary with concentration as follows: 

Concentration (wt %)    Solution life

10                                   1 week

20                                   1 month

30                                   6 months

Although the dechlorination itself is rapid, good mixing is required to ensure completion. Static mixers are recommended. The recommended injection point is downstream of the cartridge filters in order to protect the filters by chlorine. In this case, the SMBS solution should be filtered through a separate cartridge before being injected into the RO feed. Dechlorinated water must not be stored in tanks. 

When RO/NF membranes are fouled with heavy metals such as Co and Cu, residual SBS (up to 30 ppm) partially converts to oxidants under the presence of excessive oxygen. When there is a heavy potential for metal fouling, SBS dosing amount control must be optimized and oxidation conditions of the concentrate must be monitored by an oxidation-reduction potential (ORP) meter. 

The absence of chlorine should be monitored using an oxidation-reduction potential (ORP) electrode downstream of the mixing line. 175 - 200 mV threshold readings of the ORP have been typically applied. The electrode signal shuts down the high pressure pump when chlorine is detected. 

Using Procedure:

Reaction : 1> When Sodium Meta-Bisulfite Reacts with water releases sulfur dioxide (SO2).      Released sulfur dioxide SO2 however makes the water a strong Reducing Agent. 2> Sodium metabisulfite relea.

Reaction :
1> When Sodium Meta-Bisulfite Reacts with water releases sulfur dioxide (SO2).
     Released sulfur dioxide SO2 however makes the water a strong Reducing Agent.

2> Sodium metabisulfite releases sulfur dioxide in contact with strong acids
    Na2S2O5 + 2 HCl → 2 NaCl + H2O + 2 SO2

3> On heating it releases sulfur dioxide, leaving sodium oxide behind.
    Na2S2O5 → Na2O + 2 SO2

Note:

Mordant; Dechlorinating agent; Reducing agent and sulfonating agent; Bleaching agent for bamboo, wood, paper fiber; Flotation reagent for nonferrous metals; waste water treatment chemica.

  1. Mordant;
  2. Dechlorinating agent;
  3. Reducing agent and sulfonating agent;
  4. Bleaching agent for bamboo, wood, paper fiber;
  5. Flotation reagent for nonferrous metals; waste water treatment chemical

     

    SODIUM SULPHATE chemically called Sodium Metabisulphite in drilling fluid most commonly used to remove oxygen ions Recommended Treatment range from (0.5-2.0 lb/bbl).

     

    Formula: Na2 S2 O5

     

    Molecular Weight : 190.12

     

    Appearance: White free flowing crystals

     

    Appearance of 20% solution: Clear & Colorless or Pale Yellow

Technical Specifications:

 

Contents

Industrial Standard (best quality)

Specifications

Na2S2O5 % ≤ 

96.0 

97.5

Fe %≤ 

0.005 

0.002

Insol. in water%≤

0.05

0.02

Arsenic ≤

0.0001

0.0001

Properties
Molecular formula    Na2S2O5, Na-O-(S=O)-O-(S=O)-O-Na
Molar mass              190.107 g/mol
Appearance              white to yellow powder
Odor                           faint SO2
Density                     1.48 g/cm3
Melting point    
>170 °C (begins at 150 °C)

Solubility in water    54 g/100 mL (20 °C)
81.7 g/100 mL (100 °C)

Solubility                 Highly soluble in glycerol

Soluble in Ethanol                                                     

Remarks:

EU Index 016-063-00-2 EU classification Harmful (Xn) Irritant (Xi) R-phrases R22 R31 R41 S-phrases (S2) S26 S39 S46

It is used as a cleaning agent for potable water reverse osmosis membranes in desalination systems. It is also used to remove chloramine from drinking water after treatment.

Also used in printing and dyeing and dechlorination of  textile after bleaching , sulphonated agent and reducer of chemical industry and pharmacy.  Bleach of paper pulp,bamboo and timber bleach of stapk treatment agent of waste water , rubber solidifying agent , perfume industry is served as hydrocarbon perfume aldehyde.
 

Molecular Formula

Na2S2O5

Molecular Weight

190.10

White or Yellowish crystalline powder

 

Sodium metabisulfite also called sodium pyrosulfiteits molecular formula is Na2S2O5. SMBS is an inorganic compound. IUPAC name for this inorganinc compound is sodium metabisulphite or sodium pyrosulphite. Now a days Sodium metabisulfite SMBS, also used as a preservative, antioxidant and bleaching agent in food most commonly used for the preservation of fresh & dried fruits, vegetables and wines.
 

CAS number: 7681-57-4

Other names: Disodium pentaoxodisulphate, Disodium disulfite, Sodium pyrosulfite, Sodium disulfite

Chemical formula: Na2S2O5

Molecular weight: 190.11

SMBS most commonly used for the preservation of fresh & dried fruits, Vegetables and wines.
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SMBS Sodium Metabisulphite, Disodium pentaoxodisulphate, Disodium disulfite, Sodium pyrosulfite, Sodium disulfite exorter and supplier in Kuwait, Muscat Oman, UAE Dubai Sharjah, Abudhabi, Ajman, Fujairah, Canada, Mumbai, Gandhidham, Kolkata, Visakhapatnam, Chennai, Surat, Kenya Africa, Shuaiba, Kuwait, Uganada

Solubility

Soluble in water and its water solubility increases with temperature, 54g/100ml at 20°C and 81.7g/100ml at 100°C. It produces sodium bisulfite (HSO3−) when dissolved in water and the aqueous solution is acidic with the PH 4.0-5.5 (10 % aqueous solution). 

Na2S2O5 + H2O = 2 NaHSO3

Soluble in Glycerin, slightly soluble in ethanol, insoluble in benzene.


Question : Which Product is used for Dechlorination in Water Treatment Plant?

Answer : Sodium Metabisulphate(smbs) Used for dechlorination process At the water treatment plant.

Packing Size: 25.00 Kg.PWD

Available Packing Size:

RXSOL is keeping ready stock of SMBS Sodium Metabisulphite in various sizes and packing including 500gram / 1 Kg / 5 Kg / 25 Kg / 50 Kg. We have Export-quality of specialized packing of SMBS to avoid any moisture absorbent.

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