dry chemistry Articles

  • Dry Wall Manufacturer

    A Midwest manufacturer of dry wall (Gypsum wall board) products was unable to reliable treat their wastewater with conventional chemistry requiring hauling 1,000 gallons/week offsite at $1.00/gallon. Floccin-I was used to treat the water and they are installing a batch treatment system (capital cost at $20,000 installed) and will be treating their wastewater at less than $0.10/gallon. Payback ...


    By Integrated Engineers Inc.

  • Spray drying of Ceramic materials - Case Study

    Customer: CNR (National Research Council), ISTEC (Institute of Science and Technology for Ceramics), Italy The research activities are addressed towards material and processing innovations, aiming to satisfy the requests from the industrial sectors and from the national scientific and cultural community for various application fields. The center focuses on the development of competency ...


    By BÜCHI Labortechnik AG

  • Former Dry Cleaning Site Contaminated with PCE - Case Study

    In-Situ® Inc. TROLL® 9500 Multiparameter Sonde helps resolve treatment challenges and saves $200,000 in drilling, reagents, and consulting. A former dry-cleaning site in the Pacific Northwest, Ultra Custom Care Cleaners, was found to be contaminated with PCE (perchloroethylene). According to the U.S. Geological Survey (USGS), PCE was widely used in the dry cleaning of fabrics since the ...


    By In-Situ, Inc.

  • Produced water at UGS Dolni Dunajovice

    Water is the main contaminant of natural gas. Mostly, it is a natural element of a reservoir content. When dry gas is injected into a reservoir, it absorbs volume of water there. Together with water, it absorbs hydrocarbons, which can be natural elements of the reservoir or of artificial origin and contaminants which were injected in to the reservoir with natural gas. During a withdrawal, this ...


    By Inderscience Publishers

  • Corrugated Printing Facility Zero Discharge

    This company imports corrugated board and prints the labels using a flexographic machine. The facility had a wastewater treatment system using the traditional liquid chemistry of aluminum chloride, caustic for pH adjustment, and an anionic flocculant. The effluent was often out of compliance due copper from the color pigments in the inks. The system required continual adjustment of the 3 ...


    By Integrated Engineers Inc.

  • A construction of water quality index considering physicochemical properties for drinking purposes in a rural settlement: a case study of Gajraula region, Ganga River Basin (North India)

    A simple methodology based on several key variables of groundwater chemistry is used to create a water quality index (WQI), with the aim of monitoring the influence of industrial and rapid urbanization on a typical rural settlement. The applicability of the constructed indices as an assessment and communication tool is evaluated in a case study of Gajraula and its suburb of JP Nagar district in ...


    By IWA Publishing

  • Ammunition Manufacturing

    An ammunition manufacturing facility was having problems removing copper and zinc from their 900 gpm wastewater system. The process used lime to raise the pH from 1.5 to 10, sodium carbamate for a metal precipitant, and an anionic flocculant to increase the flock size and get the solids to settle in the clarifier. Current chemical costs are estimated at $225,000/year with a significant amount of ...


    By Integrated Engineers Inc.

  • Industrial Dryer Drives Fast Economic Development of Central China

    In recent years, China has been greatly influenced by the global economic crisis, and the engineering mechanical industry encounters winter season which caused some companies to stop production or even close down; and the dryer machine manufacturing industry also suffers a lot. Drying generally refers to process in which the heat air makes water in the materials evaporate and brings it away, and ...

  • Latex Paint Manufacturer-2

    This company was using traditional chemistry of aluminum sulfate, lime to adjust the pH, followed by a flocculant. Switching to Floccin 1107 cut the chemical costs by 30% and decreased the number of chemicals to one. The facility was also using large quantities of DE to generate a dry cake with their bladder press. The Floccin 1107 decreased the usage of the DE by about 50% based on the visual ...


    By Integrated Engineers Inc.

  • Corrugated Sheet Plant

    The previous wastewater treatment was composed of the following chemicals: an acidic coagulant, caustic for pH adjustment, and an anionic polymer made down to 1% solution. The facility used 3-4 gallons of coagulant, 2-3 gallons of caustic, and 2-3 gallons of anionic flocculant (at a 1% solution) at a cost of $50/batch. The operator stated that they had low solids, they tended to overdose which ...


    By Integrated Engineers Inc.

  • PGCCA winners of Yore: Where are they now?

    With the 20th Annual Presidential Green Chemistry Challenge Awards (PGCCA) ceremony drawing near, the Biobased and Renewable Products Advocacy Group's (BRAG®) Biobased News and Policy Report decided to go back and revisit some early winners to see what has become of the ...


    By Bergeson & Campbell, P.C.

  • Weathering of sulfidic shale and copper mine waste: secondary minerals and metal cycling in Great Smoky Mountains National Park, Tennessee, and North Carolina, USA

    Metal cycling via physical and chemical weathering of discrete sources (copper mines) and regional (non-point) sources (sulfide-rich shale) is evaluated by examining the mineralogy and chemistry of weathering products in Great Smoky Mountains National Park, Tennessee, and North Carolina, USA. The elements in copper mine waste, secondary minerals, stream sediments, and waters that are most likely ...


    By Springer

  • Treatment of textile industry effluents using orange waste: a proposal to reduce color and chemical oxygen demand

    Various agricultural residues have been tested as biosorbents due to their low cost, high surface area, and favorable surface chemistry. In this work, a sweet orange albedo was tested as a biosorbent for treatment of real textile effluents. The orange albedo powder was prepared by drying the residue at 50 °C and milling to 30 mesh, and then used for dye adsorption from a alkaline (pH = 10.71) ...


    By IWA Publishing

  • Root length of aquatic plant, Lemna minor L., as an optimal toxicity endpoint for bio‐monitoring of mining effluents

    Lemna minor, a free‐floating macrophyte, is used for bio‐monitoring of mine effluent quality under the Metal Mining Effluent Regulations (MMER) of the Environmental Effects Monitoring (EEM) program in Canada, and is known to be sensitive to trace metals commonly discharged in mine effluents such as nickel. Environment Canada's standard toxicity testing protocol recommends frond count (FC) and ...


    By John Wiley & Sons, Ltd.

  • Wet Electrostatic Precipitation Demonstrating Promise for Fine Particulate Control

    Editor’s Note: Part l of this two-part feature on wet electrostatic precipitation (wet ESPs) outlines the need for multi-pollutant air pollution control technologies, the basics of wet and dry electrostatic precipitation, the ability of wet and dry ESPs to treat fine particulate, and the use of wet ESP technology at Northern States Power Company’s Sherco Station. Part II will explore the key ...


  • Geochemical control processes and potential sediment toxicity in a mine‐impacted lake

    Geochemical parameters and major ion concentrations from sediments of a freshwater lake in the town of Åtvidaberg, south‐eastern, Sweden, were used to identify the geochemical processes that control the water chemistry. The lake sediments are anoxic, characterized by reduced sulphur and sulphidic minerals. The hypothesis tested is that in sulphidic‐anaerobic contaminated sediments, the ...


    By John Wiley & Sons, Ltd.

  • Water analyzer packages for monitoring critical process parameters in steam production of renewable energy plant Shams I - Case Study

    Located in western Abu Dhabi, Shams is a large renewable energy project in operation in the Middle East and owned by Masdar. It is a concentrating solar power station with a capacity of 100 MW of clean, renewable electricity by the use of large parabolic solar fields. In both traditional and concentrated solar power plants, the steam cycle is key to generating electricity. By monitoring the ...


    By AppliTek NV

  • FAST-ACT Chemical hazard containment and neutralization system - Technical Report

    ABSTRACT FAST-ACT is a proprietary formulation of non-toxic high-performance specialty materials effective at neutralizing a wide range of toxic chemicals with the added capability to destroy chemical warfare agents. The FAST-ACT formulation is non-flammable, non-corrosive, and significantly reduces both liquid and vapor hazards. Since the dry powder neutralizes threats upon contact, on-site ...


    By Fast-ACT

  • An Overview of Corrugator Paper Pulp Wastewater Treatment

    Wastewater Treatment Success Stories Class 'A' Wasterwater Treatment Facility Printing Facility - 40% Cost Reduction Zero ...


    By Integrated Engineers Inc.

  • Problem-free pumping of crystal mush with Allweiler progressing cavity pumps

    The Chemische Fabrik Budenheim KG (CFB) (Chemical Factory Budenheim) produces precursors and ingredients for a wide range of a variety of final products. It ranges from baking powder to flame retardants. Phosphates form the basis and the factory is specialized in special products in the area of phosphate chemistry. CFB has developed its own solutions and processes in order to crystallize various ...


    By ALLWEILER GmbH

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