experience at nsl chemical
TRANSCRIPT
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EXPERIENCE WITH
NSL CHEMICALS
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INTRODUCTION
1
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FOUNDED IN
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PRODUCTS
Calcium Hydroxide
Steel Slag
Monolithic Refractories materials
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PRODUCTION
PROCESS CaO
SUPPLY/FEED STORAGE HYDRATOR
BALL MILL
Finer Products
LIME STORAGE
AIR SEPARATOR
AIR SEPARATOR
Coarser Products
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PRODUCTION
PROCESS Limestone to quicklime: -Calcium carbonate ---heat---> calcium oxide (QUICKLIME) + carbon dioxide -Chemical formula: CaCO3 ---heat---> CaO + CO2
Quicklime to slaked lime: -Calcium oxide (QUICKLIME) + water ---> calcium hydroxide (SLAKED LIME) -Chemical formula: CaO + H20 ---> Ca(OH)2
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PRODUCTION
PROCESS
CaC2(s) + 2 H2O(l
Calcium Carbide reacts with water to form acetylene gas and Calcium hydroxide (slurry).
C2H2(g) + Ca(OH)2(s)
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GREEN CAUSE
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EXPERIENCE
1 attachment
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TESTING
LAB
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SIEVING
DRY
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SIGNIFICANCE
-Customer Requirement
-Coarser particles will choke pipelines
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PROCEDURE
- Weigh out 5g of sample
- Weigh the residue left on the mesh
after 10 mins of vacumn
- Calculate the percentage passing
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EQUIPMENT
OPERATION
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PROJECT
3
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SAMPLE
COLLECTION
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UNCONFINED PRESSURE TEST
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SIEVING WET
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SIGNIFICANCE
-Determine the amount of material finer than a given sieve size
-Used on adhesive/sticky soils
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PROCEDURES
-Wet Sample Weighed Out -Placed on Sieve and washed down -Care taken to ensure accurate results
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ANALYSIS
DATA
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Marine Clay Moisture analysis Sample 1 (g) Sample 2 (g)
Initial Weight (sample only)
Weight of Container
Sample weight + container
Sample weight + container (after 2 hrs in oven)
Sample weight + container (30 mins extra heating)
Sample weight + container (30 mins extra heating)
Sample weight + container (30 mins extra heating)
Constant weight achieved at 3hrs 30 mins in the oven
Using given Moisture Formula Sample 1 Sample 2
Water mass Content of sample/ dry weight 55.88% 58.88%
MOISTURE ANALYSIS
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Contributions
4
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MANPOWER ADDITIONAL
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LOGISTICS
SOLUTIONS
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SAFETY
SOLUTIONS
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TEAMWORK
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RECODING DATA
EFFICIENT
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DATA SAMPLE
1. GENERAL INFORMATION Tested by: Date Tested: Lab partners/organisation: Client: Project:
Boring no: Recovery Depth:
Recovery Date: Recovery Method:
Soil Description:
2. Test Details Scale type/serial no./precision:
Oven Temperature: Duration of oven drying:
Concentration of sodium hexametaphosphate solution: Duration of soaking period: Notes,observations, and deviations from ASTM D1140 test standard:
3. Measurements and Calculations: Net dry mass of soil before sieving (B): Net dry mass of soil retained by #200 sieve (C ): Percent fines (A):
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BENEFITS
5
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RESPONSIBILITY
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TIME MANAGEMENT
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COOPERATION
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COMMUNICATION
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RECAP
1 Introduction 2
3 4
5 Benefits
Contributions
Experience
Project
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THANK YOU!