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Stpp production process

  • Product - Sodium Tripolyphosphate (STPP)

    STPP is produced from wet process of phosphoric acid by heating a stoichiometric mixture of disodium phosphate and monosodium phosphate, under carefully controlled conditions (pH >6). Through this reaction, 2 million tons of STPP is produced annually. The reaction can be written as: 2 Na2HPO4 + NaH2PO4 Na5P3O10 + 2 H2O

  • (PDF) Step-by-step process integration method for the

    In the extraction stage of the process, The temperature is selected in order to produce the desired phosphorous pentoxide P2O5 values, present in the wet Form I and/or Form II content in the final STPP product. acid, are loaded into the organic extract, leaving behind the Heating agents in calciner is the flue gas from another bulk of the mineral impurities in a resulting raffinate.

  • Assessment and comparison of technological variants of the

    Jun 18, 2018· In the classic spray method, STPP is obtained by a multistage process of dehydration of a phosphate mixture equivalent to a molar Na 2 O/P 2 O 5 ratio of 5:3. Production consists of phosphoric acid neutralization (wet process) and heating (dry process).

  • Building & Construction PhosphateFacts

    Condensed phosphates can be used in various stages of the manufacturing process of gypsum boards and other gypsum-derived products. Phosphates like sodium tripolyphosphate (STPP), tetrasodium pyrophosphate (TSPP), sodium acid pyrophosphate (SAPP) and sodium hexametaphosphate (SHMP) act as dispersants for the calcium sulfate slurries and enhance

  • STPP (Sodium Tripolyphosphate) Production Cost Analysis

    Procurement Resource provides an in-depth cost analysis of Sodium Tripolyphosphate (STPP) production. The report incorporates the manufacturing process with detailed process and material flow, capital investment, operating costs along with financial expenses and depreciation charges.

  • How to ensure the chemical properties of sodium

    By the production process of the monitoring of the chemical reaction of sodium tripolyphosphate to play a very good quality of protection, avoid the interference of the external environment, and improve the overall performance achieved to stabilize the chemical properties.

  • Applications and functions of foodgrade phosphates

    Aug 26, 2013· Crawford 27 developed the process protocol for the application of STPP to Pandalas jordani to more efficiently separate the flesh from the shell during mechanical peeling of shrimp. Whole shrimp are dipped in chilled solutions of 35% STP for 5 min before steam cooking (90 s) after which the shrimp pass over a series of nips and rollers and

  • Mining - Phosphate Specialty : Phosphate Specialty

    Small amounts of sodium tripolyphosphate (STPP) can greatly improve the overall efficiency and economics of the froth flotation process for copper ore beneficiation. Increased copper recovery due to improved behavior has been noted (i.e., finer grind) at a given feed rate of solids to the unit, followed by an improved copper recovery. Tetrasodium pyrophosphate (TSPP),

  • STTP Sodium Tripolyphosphate

    Drainage is used as a stabilizing and softening agent. Percentage 1 to 2 Its major use is in the production of synthetic detergents, and its content is between detergent powders. Prevents the re-deposition of solid particles and immersion, as well as the role of alkali in their STPP- detergent powders at the water surface.


    Jul 01, 2017· The raw material for the STPP production is a solution of sodium orthophosphates with the Na2O/P2O5 molar ratio 1.67. Phosphoric acid neutralization commonly obtains it

  • Sodium Tripolyphosphate is an industrial phosphate

    Sodium tripolyphosphate (STPP) is widely used as a component for the production of synthetic detergents, water treatment, as well as in the ceramic, paint, varnish and other industries. We produce 15 technical STPP grades of powder and granular type.

  • How To Produce SHAMPOO That Sells And Start Making Money

    Oct 17, 2016· The process involved in the production of hair shampoo is a very simple one and the materials (chemicals) needed are readily available just like liquid soap (detergent). No special machines or equipment needed for a start, whether for home use or commercial purpose. STPP Cleanliness and Thickness Agent (Measurement 1/4 ) Caustic Soda

  • Sodium Tripolyphosphate (Stpp) by Connection Chemical

    Product Description: Sodium Tripolyphosphate is an inorganic compound. It is the sodium salt of the polyphosphate which is the conjugate base of triphosphoric acid. Applications: Detergents/Cleaners Food Additives Water Treatment Minning Refraining Metallurgy Connection Chemical LP is a professional importer of Sodium Tripolyphosphate or STPP. Connection Chemical has the capability to stock

  • Sodium tripoly phosphate (STPP) - PrimaryInfo

    Project at a Glance. Contents on the CD Rom. Sodium triphosphate (STP, sometimes STPP or sodium tripolyphosphate or TPP) is an inorganic compound with formula Na 5 P 3 O 10.; It is the sodium salt of the polyphosphate penta-anion, which is the conjugate base of triphosphoric acid.; It is produced on a large scale as a component of many domestic and industrial products, especially detergents.

  • Product range - Prayon

    Over the past few years, we have developed over 20 grades of sodium tripolyphosphate (STPP). This product range is specifically adapted for use in a wide variety of industrial applications such as cleaning (washing-up, laundry and I&I), treatment of metals, water treatment, ceramic, paper, glass, and more.

  • How to Make (Produce) Liquid Washing Soap Detergent

    LIQUID SOAP PRODUCTION FORMULA. METHOD OF PREPARATION LIQUID SOAP MANUFACTURING PROCESS -Dissolve the SLS with 2 tin milk cups of water-Dissolve the STPP with 2 tin milk cups of water also-Get the Nitrosol but if it is C.M.C youre using, make sure it is dissolved 2 days to the preparation of the soap with 4-5 liters of water. If


    For STPP we evaluate a manufacturing route based on wet process phosphoric acid and compare the economics with those based on furnace grade acid. Our process concept for NTA evaluation is similar to that used in plants operated by Monsanto and W. IL Grace,

  • Step-by-step process integration method for the

    Jun 01, 2007· Typical composition of STPP includes 4% impurity due to presence of sodium pyrophosphate, sodium orthophosphate and sodium metaphosphate. A production plant for STTP, based on wet manufacturing route 2, essentially consists of: neutralization part (Wet process part) where phosphoric acid is neutralized to an orthophosphate solution,

  • Sodium Tripolyphosphate (STPP): Application Scope and

    Production process of S odium T ripolyphosphate (STPP) Sodium tripolyphosphate (STPP) is formed by neutralization of phosphoric acid with soda ash and condensation. There are 2 ways to produce phosphoric acid: wet method and hot method.

  • Technological, environmental and economic assessment of

    Oct 01, 2016· The classic process of STPP production is a two-stage method based on a wet manufacturing route and consists of two parts: neutralisation (wet process) and heating (dry process). It is the most widely used method of STPP production at industrial level.

  • Production of Phase II sodium tripolyphosphate - FMC

    However, the process depends on use of wet process acid and careful control of the amounts of sulfate and metallic impurities. Other spray drying processes have resulted in heavy caking on the walls of the dryer due, in part, to the lower temperatures required for Phase II STPP production.

  • Sodium tripolyphosphate - Ingredient ChefSteps

    STPP is used in industrial cleaners, water softening, detergent, emulsifier of oil and grease, peptizing agent, deflocculating agent in oil well, sequester in cotton boiling." Or you could but the alternative they mentioned in the Chicken Noodles write-up, sodium hexametaphosphate, which is

  • The production technology of sodium tripolyphosphate

    By phosphoric acid by the soda ash and sodium tripolyphosphate are sodium phosphate, then through condensation, the production of phosphoric acid method are two kinds of wet and heat method. Wet to phosphate rock and mineral acid after reaction, after extraction, refining the quick phosphate.

  • US4873068A - Process for manufacturing tetrasodium

    The invention is a process for manufacturing tetrasodium pyrophosphate by mixing sodium tripolyphosphate and a sodium salt and calcining the mixture. Sodium tripolyphosphate (STPP) and to a

  • Thermal process phosphoric acidWet process phosphoric

    1. The process can directly produce 75% industrial grade phosphoric acid, which is applicable to be used in all fields of the traditional thermal process, such as detergent powder STPP production, organic and inorganic chemical field. 2. The energy is integration and optimization for

  • Synthesis and Characterization of Sodium Tripolyphosphate

    This work presents a comparison of the production processes of STPP by the one-step method, with the use of the rotary kiln, the two-step method, and the wet method. The analyzed industrial variants of STPP production are technologies which generate no sewage or waste, hence only the emissions of dust and gases were evaluated. Methods of Production

  • Tripolyphosphate Made from Wet-Process Phosphoric Acid

    Aug 16, 2008· The paper presents results on tripolyphosphate (STPP) preparation with the use of a specially constructed laboratory-scale rotary kiln. The kiln enabled agitation of the material calcined at the temperature range 400430 °C.

  • Alkimia Tunisia: chemical production, sodium sulphate

    Establish a process of consultation and involvement in order to consider the needs and expectations of all interested Parties including customers, employees, suppliers and local communities ; Identify and control the most significant environmental aspects and the

  • Sodium Triphosphate(STPP) Production Equipmentdetergent

    Sodium Triphosphate(STPP) Production Equipment:STPP is one of the most important ingredients in detergent powder formulation. Its chemical formula is Na5P3O5. The STPP preparation process is composed of three steps: preparation of phosphoric acid from phosphate rocks, sodium pyrophosphate from neutralization of the acid, and finally the formation of STPP by condensation and polymerization

  • (PDF) Analysis of sodium tripolyphosphate production

    production process, as well as wastewater and solid wastes resulting from it, upon the natural environment. It was proved that the solution of the production STPP with the dry one-step method has


    Jul 01, 2017· The raw material for the STPP production is a solution of sodium orthophosphates with the Na2O/P2O5 molar ratio 1.67. Phosphoric acid neutralization commonly obtains it

  • Sodium Tripolyphosphate (STPP) 94% Powder - Industrial

    Water softener. STPP chemical chelates metal ions with metal ions in solution to form a soluble chelate, which reduces hardness. Therefore, it is widely used in water purification and softening. In ceramics: It has excellent properties of chelating hard metal ions and has a good effect on degluing in ceramic production. The use of sodium

  • Process for making sodium tripolyphosphate from wet

    Disclosed is a process for producing sodium tripolyphosphate (STPP) with reduced amounts of silicon and magnesium impurities from wet process phosphoric acid.


    Table 7-5 Model outputs for process option 2A, sludge to agricultural land 109 Table 7-6 Sludge production in biological sewage treatment 110 Table 7-7 Impacts of STPP production 113 Table 7-8 STPP production ThermPhos process 115 Table 7-9 STPP production wet process 116 Table 7-10 Impacts of Zeolite A production 117

  • (PDF) Synthesis and Characterization of Sodium

    The raw material for the STPP production is a solution of sodium orthophosphates with the Na2O/P2O5 molar ratio 1.67. Phosphoric acid neutralization commonly obtains it with sodium carbonate. At the commercial scale, STPP is produced from sodium orthophosphate solutions with one or two-step method.

  • 13 Steps to Produce Liquid Soap in Nigeria for Sale and

    Step by step process to Produce Liquid Soup . Mix small quantity of caustic soda in a bowl (bowl A) with some water. Mix the Soda ash with some water in a different bowl (bowl B) as well. Mix the STPP with some water in another bowl (bowl C) too. Soak the Laurel Rice/Rice in another bowl (bowl D); making a total of four bowls.

  • Dry single-stage method of sodium tripolyphosphate

    The study presents a technology of sodium tripolyphosphate (STPP) production with the use of a dry, single-stage method. The reacting substrates (concentrated wet-process phosphoric acid - WPPA and solid Na2CO3 ) are mixed with a recycled final product (STPP) in a mixer, then a quasi-dry mixture is calcined in a rotary kiln.

  • Sodium Tripolyphosphate and other Condensed Sodium

    Dry single-stage methods of STPP production have already been developed and described in the literature (Kowalski et al., 2002; Gorazda et al., 2014). In these methods, drying and calcination are

  • How to Manufacture Detergents - Entrepreneur India

    Outline of the Spray Drying Process Slurry Preparation Kinetics of Hydration of STPP Dosing of Ingredients Slurry Handling Spray Drying Production Of Detergent Powder By Dry Mixing Dry-Mixing Process Machine-Mixing Formulations Compact Detergents Methods Of Analysis Sampling Separation Procedure

  • Sodium Tripolyphosphate(STPP) 94% for Sale - Chemate

    The Production Process of Sodium Tripolyphosphate The process of preparing phosphoric acid from neutralization liquid is different, but it can be roughly divided into two categories. One method is to dry the neutralized solution in a spray drying to a certain particle size of orthophosphate, and then condense into sodium tripolyphosphate stpp.

  • Sodium Tripolyphosphate Market STPP Industry Share

    Sequestrant, thickener and texturizer are some of the widely used STPP contained food additives. Regulatory compliance for product usage in food and drug additive has positively influenced the demand in the recent years. Sodium tripolyphosphate is widely used in as well as industrial cleaning process.

  • US4251491A - Process for making sodium tripolyphosphate

    US4251491A US06/028,148 US2814879A US4251491A US 4251491 A US4251491 A US 4251491A US 2814879 A US2814879 A US 2814879A US 4251491 A US4251491 A US 4251491A Authority US United States Prior art keywords stpp reaction mixture fluoride wet magnesium Prior art date 1979-04-09 Legal status (The legal status is an assumption and is not a legal conclusion.

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