Literature Request   Below is a list of National Silicates and PQ’s Industrial Chemical Division literature that is available. You may choose up to five pieces of literature per request by checking the box next to each. After you have made your selections, click the Process Selection button at the top of this page. Then on the Contact page provide the required information and click the Submit button. If you require more than five items please submit a new request. Your literature will be mailed promptly.     Sel Doc.     A Proper Concern, A history of the PQ Corporation from 1831, which was opened for business for the production and sale of soaps and candles by Joseph Elkinton.   Combining Silicate Chemistry With Imagination, This brochure describes some of the history of PQ as well as an overview of the markets served by the PQ Corporation.   PQ Industrial Chemicals Division, This brochure profiles PQ’s Industrial Chemicals Division Technical Service support, Research & Development innovation, manufacturing plants quality, accessibility, flexibility, and PQ’s sales & service.   Fundamentals of Silicate Chemistry, As the leaders in silicate technology, PQ/National Silicates' characterization methods development contributes to their customers ability to understand and manipulate silicate product properties, and to improve their own products and processes in which silicates are used in order to be more competitive in their marketplace.   METSO® Sodium Metasilicates, The brochure details the applications, and properties of PQ metasilicates. Also provided are charts showing composition, conversion formulas, pH of various alkalies, and solubility.   PQ® Sodium Silicate/Liquids & Solids, This brochure provides an overview of the versatility of PQ sodium silicates. The range of applications is discussed and various analytical charts are provided.   PQ® Sodium Silicate/Hydrated and Anhydrous Powders, This brochure describes PQ sodium silicate hydrous and anhydrous powders' chemical and physical characteristics. Factors to consider in choosing a silicate powder are also discussed.   PQ® BRITESIL Hydrous Polysilicates, These products are a family of sodium silicate powders specially developed for modern synthetic detergents. And, in addition Britesil polysilicates serve as an ecologically sound alternative to many water softening systems for use in the formulation of zero-phosphate detergents.   PQ® Potassium Silicates, For many applications potassium silicates are preferred over the more commonly used sodium silicates. For example, in flux coatings for welding electrodes, potassium silicate provides a smooth arc and quiet burning. Higher solubility and compatibility with other ingredients make potassium silicate preferable for liquid detergents. Also, potassium silicate does not effloresce and is ideal for use in paints and in certain types of coatings and binders.   PQ® Epsom Salt, Magnesium Sulfate Heptahydrate, Information on the properties of PQ Epsom salt and its applications and handling.   Properties of Typical PQ® Soluble Silicates ,This brochure presents a chart of products representative of the range supplied by PQ Corporation. The properties shown are typical values, not manufacturing specifications.   Storage and Handling Bulk Storage of Dry Soluble Silicates, This brochure explains the advantages of bulk delivery versus package delivery. Information is provided on the products best suited to bulk delivery; delivery equipment needed; unloading procedure; bulk storage capacity; humidity control, and handling precautions.   Storing and Handling Liquid Sodium & Potassium Silicates, This brochure explains handling precautions, bulk storage of liquid silicates, pumps and piping, unloading bulk shipments, and tank truck and tank car unloading. Also detailed is the importance of periodic maintenance of silicate storage and distribution systems.   Silicate Storage Tank Bottoms: Prevention and Disposal , This Bulletin includes information on identification and prevention of tank bottoms including proper storage conditions, and general requirements for disposal of tank bottom material when tanks are cleaned out.   Storing PQ® Liquid Silicates, Small Storage Tank Recommendations, This Bulletin includes information about appropriate materials of construction for tanks, pumps, and pipes as well as recommendations for tank specifications, and location.   Dispersion Dispersion Characteristics of Soluble Silicates, This bulletin describes the effectiveness of aqueous solutions of sodium and potassium silicates as deflocculants, i.e., their ability to disperse or peptize agglomerated masses into very fine particles which repel each other   Detergents PQ® Detergent Formulary, Basic starting formulations for cleansing compounds and detergents are provided. We have not tested them, but they are offered as starting points for those who wish to develop their own compounds.   Detergent Agglomeration With Soluble Silicate, Agglomeration processes provide an efficient and economical means for producing granular detergents that have uniform particle size and composition. Agglomeration is a physical/chemical process for combining various dry ingredients into single granular particles through the binding power of liquid silicate.   Textile Soluble Silicate for Textile Processing, In the textile industry PQ’s sodium and potassium silicates are used for a variety of functions, including: hydrogen peroxide bleach stabilization; detergency; pad-batch dyeing; corrosion inhibition; and water treatment   Pulp and Paper Chemical Enhancement of Paper, Chemical enhancement with sodium silicate can significantly improve compressive strength and rigidity, while increasing tensile strength and improving fire retardancy. Enhancement chemistry has also opened up new opportunities for paper manufacturers and converters to improve their products and customize their performance to meet specific end use requirements and economics.   Deinking Bulletin, Sodium silicates from PQ are used in the deinking of all types of wastepaper, including groundwood stocks with high lignin content.   Effective Scale Management, Eliminate problem scale while optimizing the efficiency of your bleaching process.   Sodium Silicate in Peroxide Brightening of Mechanical Pulp, Includes three papers- 1)The Effects of Alkalinity, pH, Pre-treatment with Chelating Agent and Consistency; 2) The Effects of Retention Time and Temperature; 3) The Effect of Silicate on Papermaking Polymers.   Tappi: “Silicate Chemistry Key to Solving Mill Scale Problems”, Solving scale problems at Millar Western Pulp Ltd. uncovered come of the complex chemistry of scale formation.   PQ® Magnesium Sulfate in Oxygen Delignification, Oxygen delignification has become an established industrial process in the bleaching of kraft hard and soft wood pulps. But, because the reactions associated with oxygen based bleaching have the potential to reduce pulp fiber strength, magnesium sulfate heptahydrate (Epsom salt) is the chemical of choice for maintaining pulp viscosity and quality.   Adhesives, Binders and Coatings Soluble Silicates; Versatile, Inorganic Adhesives, Sodium silicate adhesives are used for bonding a variety of surfaces and materials such as paper, asbestos, mineral wool (used in insulation), mica and wood.   Soluble Silicates in Bonding and Coating , Because of the low cost and versatile properties of PQ sodium and potassium silicates as coatings and binders, they are useful in a broad range of applications.   “Environmentally Safe Binders for Agglomeration”, This article presents a basic review of silicate chemistry and properties and then describes the use of sodium silicate as a binder for agglomeration and briquetting applications.   “Sodium Silicate: A Binder for the 21st Century”, This article provides more detail on how to utilize the chemistry of sodium silicate for binder applications.   PQ Products For Agglomeration, This Bulletin describes the use of soluble silicates as a binder for agglomeration processes including selection of binder, materials suitable for agglomeration with silicates, and setting agents.   Water Treatment PQ® Soluble Silicates: For protection of Water Systems From Corrosion, Soluble silicates are classified as corrosion inhibitors, because they can deposit protective films onto various metal surfaces, and isolate the metal from any further corrosive attack.   6 Reasons to Choose PQ® Sodium Silicate as Your Corrosion Inhibitor, Sodium silicate is a proven corrosion inhibitor, effective on a variety of metals, including lead, zinc and copper.   OpFlow article reprint: “Teamwork Solves Corrosion Mystery”, American Water Works Association, article describing how the water and wastewater treatment plants of Louisville, Colorado, cooperated and worked together with efficiency to investigate a difficult corrosion problem.   “Sodium Silicate Corrosion Inhibitors: Issues of Effectiveness and Mechanism”, This paper, co-authored by researchers at the EPA and Penn State University, resolves some of the conflicting information that has been published regarding the effectiveness of and mechanism by which sodium silicate inhibits corrosion in potable water systems. (Presented at WQTC, 11/97)   “XPS Characterization of Films Formed on Distribution Systems Using Additives to Control Pb/Cu Levels in Drinking Water”, Research completed at Penn State University is presented in this paper. X-ray photoelectron spectroscopy (XPS) was used to detect and characterize films on the interior of potable water distribution pipes and to quantify elemental compositions of the films. Evidence shows that sodium silicate corrosion inhibitors do form a film on the interior of the pipes. (Presented at WQTC, 11/97)   Waste Treatment PQ® Soluble Silicates in Waste Treatment , Soluble silicate has been used as a low-cost additive in the fixation of hazardous waste. When applied in pozzolanic or cementitious systems or processes using other calcium-containing setting agents, soluble silicate has reduced raw material costs and improved the final properties of the immobilized product.   “Interactions of Aqueous Metal Silicates with Mine Water”, A joint paper between PQ and the Pennsylvania State University detailing research in the use of soluble silicates to mitigate the hazards associated with acid mine drainage.   Grouting Soluble Silicates in Geotechnical Grouting Applications, For soil stabilization and water control during excavation and tunneling projects, PQ® soluble silicates have been used successfully and offer specific advantages.   Cement and Concrete Treating Concrete With PQ® Sodium Silicate, PQ’s O® sodium silicate is effective in making concrete harder, dustproof, oil proof, acid-resistant, and moisture resistant.   PQ® Soluble Silicates in Refractory and Chemical-Resistant Cements, PQ soluble silicates are used effectively as binders where heat stability or resistance to chemicals is required. Silicate binders develop high green strength by air-setting without heat.   “Characterization of Silicate Sealers on Concrete”, This article documents the effect of sodium silicate surface treatment on cementitous materials. Data on water absorption, abrasion resistance, chloride permeability, and chloride penetration are provided.   “Sodium Silicate Applications for Cement and Concrete”, This article provides a broader description of the use of sodium silicate for cement and concrete applications. Discussions cover surface treatment, admixture use, and waste solidification and stabilization applications.   “Refractory Specialties and the Properties of Potassium Silicates”, This article covers the use of both sodium and potassium silicate products in refractory applications. Silicate properties are discussed in terms of how they affect refractory properties.   Mineral Processing “The Reemergence of Sodium Silicate as a Dispersant in Sulfide Mineral Flotation”, A technical paper summarizing recent laboratory and field research in mineral processing. The effectiveness of using sodium silicate to enhance the grinding and flotation of mineral ores is discussed.   Drilling Fluids PQ Products For The Drilling Mud Industry, PQ Corporation manufactures environmentally friendly silica based products that are used to increase drilling performance in difficult conditions.   “Back to the Future in Silicate Drilling Fluids”, This article discusses new silicate drilling fluid technology that addresses an old problem in controlling heaving shale and hole collapse to avoid well loss.   “EcoDrill™ - Silicate Drilling Fluid Technologies”, Sodium and potassium silicate drilling fluids are known throughout the world as the best performing water based drilling fluid. They offer you the flexibility and versatility to design a mud system for any drilling environment.   “Use of Silicate Mud to Control Borehole Stability and Overpressured Gas Formations in Northeastern British Columbia”, This article addresses borehole stability, rates of penetration, motor performance, drilling fluid stability and properties, and environmental aspects of silicate disposal.   Silicate Chemistry “Anion Distributions in Sodium Silicate Solutions. Characterization by 29Si NMR and Infrared Spectroscopies, and Vapor Phase Osmometry”, This article describes the structure of anionic silicate species in solution. The effects of SiO2/Na2O weight ration, dilution, and trace impurities on the concentration of the various silicate anions are shown.     [Top of Page] Close Window