PHOSPHORIC ACID [TECHNICAL] FROM CRUDE PHOSPHORIC (CAP: 5 MT/DAY)
[EIRI/EDPR/4613] J.C.: 2830XL
Phosphoric acid (PA) is an important industrial chemical used as an intermediate in the fertilizer industry, for metal surface treatment in the metallurgical industry, and as an additive in the food industry. Wet-process PA (WPA) is produced by the attack of sulfuric acid (H2SO4) on phosphate rock (PR). Other wet processes use HCl and posterior solvent extraction technology. The corrosivity of phosphate ores, during the production of WPA, depends on two main factors: the chloride content and the interaction between HF formed in the WPA reaction slurry with SiO2, Al2O3, and MgO present in the ore. Many forms of corrosion, mainly localized, are encountered in the PA production plants and facilities such as erosion-corrosion (EC), selective corrosion, pitting, stress-corrosion cracking, intergranular corrosion, and corrosion at high temperature. Laboratory and plant corrosion tests were performed to recognize the corrosion types; EC measuring instruments were developed, built, and applied. The PA industry is spread out worldwide in Europe, Asia, Africa and America, including countries that operate PR mines and produces PA, phosphatic fertilizers, and phosphate-based products.
Phosphoric acid also known as other phosphoric acid (H3PO4) is an important acid, being used, vary widely in the 'Fertilizer Industry (Phosphatic Fertilizers). Phosphatic fertilizers, certainly, affect the growth and contents of agricultural products. Thus, this product is of high level significance.
COST ESTIMATION
Plant Capacity 5 MT/Day
Land & Building (4000 sq.mt.) Rs. 5.49 Cr
Plant & Machinery Rs. 1.69 Cr
Working Capital for 1 Months Rs. 1.31 Cr
Total Capital Investment Rs. 8.85 Cr
Rate of Return 25%
Break Even Point 60%
CONTENTS
INTRODUCTION
PROPERTIES
PHOSPHORIC ACID POSSESSES FOLLOWING PROPERTIES:-
USES & APPLICATIONS
PHOSPHORIC ACID IS USED IN A NUMBER OF AREAS, FEW OF ITS
USES ARE GIVEN BELOW:-
THE USES AND APPLICATION IN THE PERCENTAGE CAN BE GIVEN
AS FOLLOWS:-
MARKET OVERVIEW OF PHOSPHORIC ACID
SPECIFICATION OF ORTHOPHORIC ACID (SECOND REVISION)
FOREWORD
1. SCOPE
2. GRADES
3. REQUIREMENTS
4. PACKING AND MARKING
5. SAMPLING
APPENDIX A
METHODS OF TEST FOR ORTHOPHOSPHORIC ACID
A-1 QUALITY OF REAGENTS
A-2 DETERMINATION OF RELATIVE DENSITY
A-3 DETERMINATION OF ORTHOPHOSPHORIC ACID CONTENT
A-3.1 METHOD A
A-3.1.1 REAGENTS
A-3.1.3 CALCULATION
WHERE
A-3.2 METHOD B
A-3.2.1 REAGENTS
A-3.2.1.2 STANDARD SODIUM HYDROXIDE SOLUTION - 1 N
A-3.2.1.3 SODIUM CHLORIDE
A-3.2.3 CALCULATION
WHERE
A-3.3.1 REAGENTS
A-3.3.1.1 REAGENT A
A-3.3.2 PROCEDURE
A-3.3.3 CALCULATION
A-4 TEST FOR IRON
A-4.1 APPARATUS
A-4.2 REAGENTS
A-4.3 PROCEDURE
A-4.3.1 FOR ‘TECHNICAL GRADE’
WHERE
A-5 TEST FOR CHLORIDES
A-5.1 APPARATUS
A-5.2 REAGENTS
A-5.3 PROCEDURE
A-6 TEST FOR SULPHATES
A-6.2.4 CALCULATION
A-7 TEST FOR ARSENIC
A-8 TEST FOR ANTIMONY
A-9 TEST FOR NITRATES
A-10 TEST FOR HEAVY METALS
A-11 TEST FOR SILICA
A-12 TEST FOR CALCIUM AND MAGNESIUM
A-13 TEST FOR OXYGEN ABSORBED
A-14 TEST FOR VOLATILE ACIDS
A-15 TEST FOR MANGANESE
APPENDIX B
SAMPLING OF ORTHOPHOSPHORIC ACID
B-L GENERAL REQUIREMENTS OF SAMPLING
B-2 SCALE OF SAMPLING
B-3 PREPARATION OF TEST SAMPLES
B-4 NUMBER OF TESTS
B-5 CRITERIA FOR CONFORMITY
MANUFACTURING PROCESS OF PHOSPHORIC ACID [TECHNICALGRADE]
FROM CRUDE PHOSPHORIC ACID
SOLVENT EXTRACTION IS PERFORMED USING
SOLVENT EXTRACTION AND STRIPPING
SOLVENT PURIFICATION:
SOLVENT WASHING:
METAL REMOVAL:
SOLVENT REGENERATION:
CONCENTRATION:
DECOLORIZATION:
HCL STRIPPING AND FINAL CONCENTRATION:
DEFLUORINATION:
OXIDATION:
WASTE TREATMENT:
PROCESS FLOW DIAGRAM
PURITY TEST FOR PHOSPHORIC ACID
GRAVIMETRIC METHOD
VOLUMETRIC METHOD
MANUFACTURERS/SUPPLIERS OF PHOSPHORIC ACID
SUPPLIERS OF RAW MATERIALS
SUPPLIERS OF HYDRATED LIME (CALCIUM HYDROXIDE)
ADDRESSES OF PLANT AND SUPPLIERS
SUPPLIERS OF DRYERS
SUPPLIERS OF MIXERS
SUPPLIERS OF AGITATORS
SUPPLIERS OF EVAPORATOR
SUPPLIERS OF PRESSURE VESSEL
SUPPLIERS OF STORAGE VESSELS
SUPPLIERS OF FILTER PRESS
SUPPLIERS OF CENTRIFUGE MACHINE
APPENDIX – A:
01. PLANT ECONOMICS
02. LAND & BUILDING
03. PLANT AND MACHINERY
04. OTHER FIXED ASSESTS
05. FIXED CAPITAL
06. RAW MATERIAL
07. SALARY AND WAGES
08. UTILITIES AND OVERHEADS
09. TOTAL WORKING CAPITAL
10. TOTAL CAPITAL INVESTMENT
11. COST OF PRODUCTION
12. TURN OVER/ANNUM
13. BREAK EVEN POINT
14. RESOURCES FOR FINANCE
15. INSTALMENT PAYABLE IN 5 YEARS
16. DEPRECIATION CHART FOR 5 YEARS
17. PROFIT ANALYSIS FOR 5 YEARS
18. PROJECTED BALANCE SHEET FOR (5 YEARS)
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