wastewater distillation Articles

  • Sterile wastewater treatment with vacuum distillation

    Hygiene requirements are growing increasingly strict in many sectors, and the treatment of industrial wastewater is no exception. The vacuum distillation process in particular has to deal with the question of sterile treatment and subsequent storage of water obtained from the process. The mere possibility of reintroducing wastewater into the production process makes it imperative to prevent ...


    By H2O GmbH

  • TKN/Ammonia in Water & Wastewater by Steam Distillation

    The determination of total Kjeldahl Nitrogen (TKN) in water and waste water is a routine procedure used to ensure water quality. A simple and fast procedure for TKN determination as described in ISO 5663-1984, EPA 351.3, and AOAC 973.48 regulations, is introduced below. The sample is digested with sulfuric acid using the SpeedDigester K-436 or K-439, followed by distillation and titration with ...


    By BÜCHI Labortechnik AG

  • Thermodynamic modelling of a membrane distillation crystallisation process for the treatment of mining wastewater

    Membrane distillation (MD) could be applicable in zero liquid discharge applications. This is due to the fact that MD is applicable at high salinity ranges which are generally outside the scope of reverse osmosis (RO) applications, although this requires proper management of precipitating salts to avoid membrane fouling. One way of managing these salts is with MD crystallisation (MDC). This ...


    By IWA Publishing

  • Parts-Cleaning Oily Wastewater Disposal Costs Reduced by Over 90% with Vacuum Distillation - Case Study

    A global market-leading manufacturer of mechanical fastening systems and precision components needed to reduce wastewater disposal costs. The Italian facility serves diversified end markets, including the automotive, construction supply, electrical/electronics, aerospace and medical components industry. Project Goals: 1) Reclaim and reuse oily wastewater from cleaning tunnels (Dürr ...


    By PRAB, Inc

  • Treatment of petroleum refinery wastewater by distillation-assisted catalytic oxidation under low temperature and low pressure

    A distillation-assisted catalytic oxidation (DACO) process under low temperature (100 °C) and atmospheric pressure was investigated to treat heavily contaminated wastewater from oil refining industry. The DACO experiments were carried out in a distillation batch reactor, using CuO/γ-A12O3 as catalyst. The experimental temperature was kept at 100 °C and H2O2 oxidant was supplied into the reactive ...


    By IWA Publishing

  • Aluminum Pickling Wastewater Recycled with Vacuum Distillation, By-products Recovered for Profit - Case Study

    A leading company in Aluminum Offset plate manufacturing since 1985, with production plants in Spain and China, needed to treat and reuse their highly acidic wastewater to reduce disposal costs. Project Goals: 1) Reduce wastewater disposal costs 2) Recover valuable by-product to sell for profit (AlCl3 as coagulant) 3) Provide materials of construction (MOC) suitable to handle aggressive ...


    By PRAB, Inc

  • Fouling and long-term durability of an integrated forward osmosis and membrane distillation system

    An integrated forward osmosis (FO) and membrane distillation (MD) system has great potential for sustainable wastewater reuse. However, the fouling and long-term durability of the system remains largely unknown. This study investigates the fouling behaviour and efficiency of cleaning procedures of FO and MD membranes used for treating domestic wastewater. Results showed that a significant ...


    By IWA Publishing

  • Distillation Process Can Yield Zero Liquid Discharge System

    Many industrial applications produce liquid waste as a by-product of their process. As environmental regulations governing the disposal of industrial wastewater become more stringent, it's imperative that innovative wastewater treatment solutions are used to treat this waste and minimize the environmental impact of disposal. While numerous technologies exist to treat industrial wastewater, Zero ...


    By Samsco Corporation

  • Seawater desalination with solar-energy-integrated vacuum membrane distillation system

    This study designed and tested a novel type of solar-energy-integrated vacuum membrane distillation (VMD) system for seawater desalination under actual environmental conditions in Wuhan, China. The system consists of eight parts: a seawater tank, solar collector, solar cooker, inclined VMD evaporator, circulating water vacuum pump, heat exchanger, fresh water tank, and brine tank. Natural ...


    By IWA Publishing

  • Energy evaluation and treatment efficiency of vacuum membrane distillation for brackish water desalination

    Strict environmental regulations have led to the rapid development of membrane separation technologies for the production of potable water, for industrial water supply, and for the reuse and discharge of treated wastewater. Promotion of water recycling and the provision of potable water from brackish water prevent significant negative effects on the environment and drinking water supplies. This ...


    By IWA Publishing

  • Recovery of salts from ion-exchange regeneration streams by a coupled nanofiltration–membrane distillation process

    Ion-exchange tap water demineralization for process water preparation results in a saline regeneration wastewater (20–100 mS cm−1) that is increasingly problematic in view of discharge. A coupled nanofiltration–membrane distillation (NF-MD) process is evaluated for the recovery of water and sodium chloride from this wastewater. NF-MD treatment of mixed regeneration ...


    By IWA Publishing

  • Direct contact membrane distillation for nuclear desalination, Part II: experiments with radioactive solutions

    This paper proposes the application of Direct Contact Membrane Distillation (DCMD) coupled with a nuclear reactor for water desalination and for low- and medium-level radioactive liquid waste concentration. Both laboratory and pilot plant experiments were carried out using the membranes reviewed in Part I of this paper. The effects of process parameters on the productivity and quality of DCMD ...


    By Inderscience Publishers

  • On-site industrial wastewater treatment

    Priority pollutant behaviour in on-site treatment systems for industrial wastewaters The majority of wastewaters deriving from the chemical industry consist of aqueous discharges produced during the physico-chemical processing of synthetic mixtures involving operations such as filtration, centrifugation, extraction and/or distillation. The wastewater streams, referred to as ...


    By IWA Publishing

  • Water reclamation from shale gas drilling flow-back fluid using a novel forward osmosis–vacuum membrane distillation hybrid system

    This study examined the performance of a novel hybrid system of forward osmosis (FO) combined with vacuum membrane distillation (VMD) for reclaiming water from shale gas drilling flow-back fluid (SGDF). In the hybrid FO-VMD system, water permeated through the FO membrane into a draw solution reservoir, and the VMD process was used for draw solute recovery and clean water production. Using a SGDF ...


    By IWA Publishing

  • Treatment of wastewater from anaerobic digestion

    The Client The customer is power plant which produces biogas from biomass and sewage farm, through anaerobic digestion and thermal recovery, located nearby Munich in Germany. The Client’s needs Biogas is produced by the fermentation of organic substances of animal and vegetal origin in absence of oxygen (anaerobic process). This process produces a ...


    By EVALED-Evaporator

  • Case study - Wastewater from car batteries disposal

    The Client Our Client is a secondary lead smelting plant, based in Europe, that produces mainly lead ingots for automotive car batteries, lead alloys and lead shot for hunting and sport shooting. The Challenge The Client has a recovery plant for lead acid batteries, capable of separating the different components of batteries by wet system, with ...


    By EVALED-Evaporator

  • Low cost processes for the removal of phosphates in water and wastewater

    This paper presents a synopsis of various low-cost techniques employed for the removal of phosphates from water and treated wastewater. Techniques employed include seawater flocculation and coagulation/flocculation using bittern, adsorption on fluidised raw dolomite bed, and filtration through iron and aluminium coated filter media. Seawater flocculation at a seawater concentration of 10% ...


    By Inderscience Publishers

  • Another MRO company goes wastewater-free!

    Jet Aviation in Basel, Switzerland, is using a VACUDEST vacuum distillation system to efficiently and sustainably treat wastewater left over from refurbishing aircraft parts. This state-of-the-art system replaced outdated chemical/physical treatment at the company. Jet Aviation is particularly pleased with the high quality of the treated water, which can even be reused in maintenance processes. ...


    By H2O GmbH

  • Case study - Wastewater from surface treatments

    The Client Our Client is a company with a certified quality production process, working at an International level since 1960. They produce seamless cold-drawn steel tubes according to EN 10305-1 and welded cold-drawn precision steel tubes according to EN 10305-2, for automotive, hydraulic and mechanical applications. The ...


    By EVALED-Evaporator

  • East coast metal treatment facility recycles wastewater

    Evaporator/Crystallizer Solves Pollution Problems The Facility A major industrial Fortune 500 company manufactures armored-tracked vehicles for the U.S. Army. The plant is located in York County, Pennsylvania. The Problem Aluminum and steel assemblies and parts undergo chemical dip and spray treatments before painting. The ...

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