Jai Ganesh Chemicals, Navi Mumbai, Water Treatment Chemicals, Agro Chemicals and Biocide
Safe Handling of Water Treatment Chemicals - c.ymcdn.comc.ymcdn.com/sites/ · PDF fileSafe...
Transcript of Safe Handling of Water Treatment Chemicals - c.ymcdn.comc.ymcdn.com/sites/ · PDF fileSafe...
1
Safe Handling of Water
Treatment Chemicals
Presented by Geza Ehrentreu
Viking Chemical Company
Topics
� Products
� Physical Properties
� Safety Issues
� Personal Protective Equipment
� MSDS Review
� Spill Response
� Documentation
2
Liquid Chlorine
� Approximately 14 million tons produced
each year.
� 38% Other chemical manufacturing
� 37% Plastics manufacturing
� 14% Solvent manufacturing
� 6% Bleaching of Pulp and Paper
� 5% Treatment of Water and Wastewater
Properties
� Chemical Formula Cl2
� Chlorine % 99.5%
� Boiling Point, F –29.39 F
� Freezing Point, F –150.00 F
� Specific Gravity(Gas) 2.49 at 32 F
� Vapor Pressure, PSIG 72 at 60 F
� Odor: Sharp, Pungent, Suffocating
3
Properties
� Appearance: Amber, colored liquid,
vaporizes to a greenish yellow gas
� 2.5 times heavier than air
� 1 Volume of liquid yields 460 volumes of
gas
� Chlorine and Water form weak acids that
are corrosive to metal
Properties
� Oxidizer
� Poisonous Gas
� Non Flammable
� Non Explosive
� Will support combustion
� Irritant to eyes, skin, and respiratory system
4
Packaging Specifications
150 pound cylinder
� Capacity: 150 lbs.
� Tare Weight 90 lbs.
� Outer Diameter: 10 ¼ in
� Height: 56 in
� Wall Thickness: 0.15 in
� Spec. 3A480 or 3AA480
� Hydrostatically tested every 5 years
Packaging Specifications
2000 pound container� Capacity: 2000 lbs.
� Tare Weight 1640 lbs.
� Outer Diameter: 30 in
� Height: 79 ¾ in
� Wall Thickness: 0.41 in
� Chime: 0.68 in
� Spec. 106A500
� Hydrostatically tested every 5 years
5
Withdrawl Rates
� Rate will vary based on temperature and
pressure
� At 70 F and working against 35 PSIG
� Gas: Cylinder 42 lbs per day
� Container 336 lbs per day
� Liquid: Container 400 lbs per day
Leak Detection
� Valves
� Fusible Plugs
� Body
� Chime/Footing
� Aqua Ammonia for testing
6
Exposure
� Ingestion-Swallowing chemical
� Absorption-Skin saturation
� Vision-Eye exposure
� Inhalation-Breathing in chemical
Exposure
� Odor Threshold: .5 ppm
� Permissible exposure limit: 1 ppm
� 5-15ppm: Moderate irritation-respiratory
� 30 ppm:Chest pain,vomiting, coughing
� 40-60 ppm: Toxic pneumonitis, pulmonary
edema
� 430 ppm: lethal in 30 minutes
7
PPE
� Gloves
� Goggles
� Clothing
� Respirators: Escape
� Working
� Release
� Respirators must be NIOSH approved
Leak Response
� Contact local agency
� Contact IEMA
� Contact EPA (RQ 10 lb)
� Contact supplier
� Chemtrec 800 424-9300
8
Sodium Hypochlorite
� Widely used as a disinfectant in:
� Water
� Wastewater
� Pools
� Industry
� Trade name, Bleach is typically between
5.5-15% available chlorine
Properties
� Chemical Name: NAoCl
� Sodium Hypochlorite: 5.5-15%
� Boiling Point: 212 F for 6.0% and 12.5% by
weight
� Freezing Point: 18.5F for 6.0% and –11 F
for 12.5% by weight
� Specific Gravity: 1.1964 for 12.5%
9
Properties
� PH: 12.5-13.5
� Appearance: Bright,light yellow liquid
� Odor: Chlorine odor
� Completely soluble in water
� Reacts with acids, will release chlorine gas
from solution
� Decomposes with heat and light
Factors affecting stability
� Concentration of solution
� Temperature of solution
� Exposure to light sources
� PH of solution
� Contact with metals
� Contact with organic impurities
10
Exposure
� Ingestion-Swallowing chemical
� Absorption- Skin saturation
� Vision-Eye exposure
� Inhalation-Breathing in chemical
Exposure Concerns
� Exposure to skin and eyes can cause
irritation and burns
� Treat with large quantities of water, safety
shower and eye wash station
� Vapors can cause respiratory irritation
� Treat with fresh air and oxygen if necessary
11
PPE
� Gloves: Chemically resistant
� Clothing: Chemically resistant
� Goggles and a face shield
� Respirators: Work- half face or full face
cartridge type
Response- SCBA for gas
release
Respirators must be NIOSH approved
Spills
� RQ: 100 lbs
� Contain spill
� Dilute spill with lots of water
� Neutralize spill with Sodium Thiosulfate,
Sodium Bisulfite, etc. Be careful of heat
generation and splashing
12
Leak Response
� Contact local agency, as needed
� Contact IEMA
� Contact EPA (RQ 100 lbs)
� Contact supplier
� Chemtrec 800 424-9300
Calcium Hypochlorite
� Widely used disinfectant in:
� Water
� Wastewater
� Pools
� Industry
13
Properties
� Calcium Hypochlorite 65%
� Inerts 35%
� Boiling Point: Decomposes at 180 C
� Freezing Point: N/A
� Specific Gravity: N/A
� PH: Alkaline
� Color: White
Properties
� Odor: Slight chlorine
� Oxidizer
� RQ 10 lbs
14
Exposure
� Ingestion- Swallowing chemical
� Absorption-Skin saturation
� Vision-Eye exposure
� Inhalation-Breathing in chemical
Exposure Concerns
� Exposure to skin and eyes can cause
irritation and burns
� Treat with large quantities of water, safety
shower and eye wash station
� Vapors can cause respiratory irritation
� Treat with fresh air and oxygen if necessary
15
Spills
� Sweep material and dispose in accordance
to local regulations
� If material becomes wet, it can be
neutralized by adding 1 pint of Hydrogen
Peroxide 35% to 1 pound of calcium
hypochlorite and dilute further with water
and it may be possible to flush into the
sewer
Hydrofluosilicic Acid
� By Product of SuperPhosphate fertilizer
industry
� Water Fluoridation
� Hardeners for concrete
� Aluminum manufacturing
� Electroplating
� Glass etching,etc.
16
Properties
� Chemical Formula: H2SIF6
� Boiling Point: 222 F
� Freezing Point: 4 F
� Specific Gravity: 1.234 @ 25%
� PH: 1.2
� Bulk Density: 10.29 lbs/gal @ 25%
� Solubility in water: Complete
Properties
� Appearance: Water white to straw color
� Odor: Pungent odor
� Not flammable
� When heated above 222 F, toxic and
corrosive fumes are emitted.
� Avoid metal, glass, stoneware, alkali and
strong concentrated acids
17
Exposure
� Ingestion-Swallowing chemical
� Absorption-Skin saturation
� Vision-Eye exposure
� Inhalation-Breathing in chemical
PPE
� Gloves: Chemically resistant
� Clothing: Chemically resistant
� Goggles and a face shield
� Respirators: Work-half face or full face
� cartridge type
� Response- SCBA for gas
� release
� Respirators must be NIOSH approved
18
Spills
� Contain spill
� Dilute spill with water
� Neutralize spill with lime or soda ash
� Be careful of hydrogen fumes from metals
� Dispose of material according to local code
Lime
� Widely used in water and wastewater
� Lime softening
� PH adjustment
� Sludge thickening
� Fertilizer applications
� Etc.
19
Properties
� Typical Analysis
� Calcium Oxide CaO >68.70%
� Magnesium Oxide MgO <1.50%
� Calcium Hydroxide Ca(OH)2 >90.50%
� Calcium Carbonate CaCO3 <.50%
� Sulfur S <.07%
� Average Bulk Density 25 lbs/ft3
PPE
� Gloves
� Gogles
� Protective clothing
� Respirator for dust handling
� Respirator must be NIOSH approved
20
Spills
� Sweep material and dispose in accordance
with local regulations
� When exposed to water it promotes an
alkaline product, corrosive to aluminum
� Dry byproduct may be used as a fertilizer
Sulfuric Acid
� Metal Treatment
� PH adjustment in water
� Petroleum Refining
� Manufacture of Dye Stuffs
� Fertilizer Manufacturing
� Oxidizer and dehydration agent
21
Properties
� Chemical Name: H2SO2
� Freezing Point: -20 F 93% 40 F 99%
� Specific Gravity: 1.8354 93%
� 1.8424 99%
� Appearance: Clear, colorless to cloudy, oily
liquid
� Odor: Odorless
Properties
� Readily mixes with water, does not separate
� Stable at ambient temperature and pressure
� Acid should be added to water
� Reacts exothermically, generates excessive heat with water
� Contact with metal surfaces can generate flammable and explosive hydrogen gases
� Fire risk on contact with organic materials and chemicals such as nitrates, carbines, and chlorates
22
PPE
� Gloves: Chemically resistant
� Clothing: Chemically resistant
� Boots: Chemically resistant
� Goggles and face shield
� Respirators: Work-half face or full face
� cartridge type
� Response-SCBA for gas
� release
Spills
� Dike with inert materials
� Ventilate area
� Remove all ignition sources
� Neutralize with Soda Ash, Lime, or Sodium
Bicarbonate
� Do not spray water on large spills
� Dispose of material accord to local code
23
Contact Data
� Viking Chemical Company
� 1827 18th Avenue
� Rockford, IL 61110
� 815 397-0500 phone
� 815 397-8865 fax