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    A multidisciplinary engineers
    Tehnikum technologies
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    ENVIROMENTAL PROTECTION
    Tehnikum technologies
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    We guarantee quality
    Tehnikum technologies

PROJECT DOCUMENTATION

Design and preparation of complete technical documentation for various industrial and production facilities and plants, necessary for obtaining all permits for construction

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PRODUCTS AND SERVICES

We project, manufacture, install and put into operation devices and plants for waste gas-/waste air purification from different technological processes

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FILTER PRESSES

Filter presses are devices for separating solid particles and liquids from a suspension that is transported by a high-pressure pump. High degree Visoki stepen suve materije u „filter kolaču“ i visoki stepen izdvajanja fluida

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PRODUCTS AND SERVICES

We provide our partners with optimal solutions when making important decisions in the investment and construction phase, as well as in the process of their production and provision of services.

TEHNIKUM TECHNOLOGIES

Within the work plan, we define precisely the index numbers of waste that is collected, waste that is stored, waste that is treated and waste that is generated in the treatment process.

Services

TEHNIKUM success is based on the permanent improvement of engineering and organizational knowledge in the core business - providing technological and technical solutions and services in industry.

  • WASTEWATER TREATMENT

    We offer our clients technological solutions, design, manufacture and installation of equipment, proof of discharge parameters, „turnkey“ system.

  • FILTRATION AND CHEMICAL WATER PREPARATION

    We provide complete technological solutions from testing, designing, production, installation of plants and devices for water filtration and preparation.

  • PURIFICATION OF POLLUTED AIR

    We design, manufacture, install and put into operation devices and plants for the purification of waste gases (waste air) from various technological processes.

  • GALVANIZATION

    Our licensed engineers have reliable and productive solutions ranging from production planning, technology provision, design, production, assembly and commissioning of production lines and factory plants.

1500+

SUCCESSFULLY REALIZED DEMANDS

30+

YEARS OF SUCCESSFUL BUSINESS

700+

PROJECTS IN THE FIELD OF ENVIRONMENTAL PROTECTION

3000+

SATISFIED CLIENTS

News

MEMBRANE FILTER PRESSES

MEMBRANE FILTER PRESSES

Filter plates at Mebrane filter press are equipped with membranes that enable additional "squeezing" -dehydration of the filter cake. Increasing the filling pressure ensures precompression and drainage of the filter cake in the chamber. When the filling pressure reaches a predetermined value (approximately 6-8 bar), the filter cake is additionally exposed to the membrane pressure, and additionally "squeezed". Elastic membranes, which can be made of polypropylene (PP) and synthetic rubber (NBR, EPDM), use compressed air to press the filter cake over the entire surface of the chambers. Additional compression thus expels free water through the filter cloth. ADVANTAGES OF MEMBRANE FILTER PRESSES: •  More economical filtration due to high degree of drainage and shorter cycle time  Maximum flexibility for expansion and automation possibilities  Extended pump life in the case of abrasive media, due to low supply pressure CASE STUDY:  Delivery of membrane filter press with the dimensions of plates 1000x 1000 mm, 36 plates, volume 770 liters, for filtering the solution of lead "paste" in the process of battery recycling. Investor "TAB MAK".  The press is equipped with: membrane plates with EPDM membrane, system for automatic opening of plates, "Squezing" system for additional dehydration of filter cakes, "drip tray" system. Degree of dehydration of filter cakes: 80-90% dry matter..  

 

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HOPPER BOTTOM TANK

HOPPER BOTTOM TANK

Due to the constant requirements to achieve the most efficient clarification (separation) by chemical pre-treatment and sedimentation, we have developed a hopper bottom tank. The basic characteristic of these sedimentation tanks is the high efficiency of deposition-clarification per unit of its volume. Sedimentation efficiency: from 1-4 NTU. It consists of SPECIAL PACKAGES OF WORKING ELEMENTS with appropriate flow distances between and around the elements, located inside the tank, with a conical bottom. The tanks can be made of stainless steel or carbon steel with anti-corrosion protection. Each of the elements of the set has the shape of a triangle with a collector-collector of pure liquid in the upper part. The inlet fluid comes from both sides of the triangular channel. This type of sedimentation tank efficiently combines the separation of solid materials from liquids with the rough separation of fats and oils from water, while in the conical bottom of the precipitator the separated sludge is compacted. The water retention time in the hopper bottom tank inserts is 5-15 minutes. For example: For the same deposition effect, the LAMELAR SEDAMINTATION TANK has a 10 times smaller volume compared to the STATIC SEDAMINTATION TANK. It has a smaller volume 10 times. HOPPER BOTTOM TANK in relation to the STATIC SEDAMINTATION TANK has a smaller volume up to 20 times, and in relation to the LAMELAR SEDAMINTATION TANK up to 4 times. PROJECT NAME (Case study): Development of a plant for pre-treatment of well water up to quality level <5 NTU at the HPV plant, capacity 10 m3 / h - HOTEL "MEDITERAN" BEČIĆI The results are summarized in the table below: Characteristics PU Value Inlet water  Purified water Turbidity NTU 339 2,7 The entire pre-treatment system consists of: Hopper bottom tank. Settling material stainless steel AiSi 316. The sedimentation tank is equipped with a vibro motor, which accelerates the compaction of sludge Pipe flocculator (pipe mixer) with a special chamber to improve the flocculation process. Material: HDPE Polyelectrolyte dosing system, etc.     Special hopper bottom tank can be used in a wide range of process industry and utilities, in the preparation of clean technological water in various industries, drinking water preparation, various recirculations and reuse of manufactured fluids, industrial and municipal wastewater treatment processes, as well as in the revitalization of useful products and processing of intermediate products in various production processes. Due to the special construction and the principle of operation, these sedimentation tanks can achieve a capacity of 400 m3 / h per device-unit.  

 

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MBR WASTEWATER TREATMENT TECHNOLOGY

MBR WASTEWATER TREATMENT TECHNOLOGY

MBR (Membrane bioreactor) technology is based on the removal of pollution by a combination of microorganisms and microfiltration, which eliminates the need for the existence of a secondary precipitator. In addition, the MBR forms very efficient removal of organic pollution, which is accompanied by a constant quality of wastewater or an uniform quality of wastewater in relation to larger fluctuations in the quality of incoming water. TECHNOLOGICAL SCHEME-THE DRAWING Example: PROJECT OF A WASTEWATER TREATMENT PLANT FROM JUICE PRODUCTION AND WATER FILLER BY MBR TECHNOLOGY The specificity of this application is reflected in the fact that we have a high biological load, and very strict conditions for discharge into a natural recipient. In this case, there were particularly strict requirements regarding the biological load, for example, the conditions from the competent authority are for BOD5 <5mg / l, suspended matter <5mg / l. After a detailed analysis, and requests from the discharge conditions, as well as the investment and operating costs of the WWTP, we decided for MBR technology. The MBR system with flat plate membranes is very simple because it does not require a microsieve, permeate extraction pumps, a membrane backwash pump and a chemical wash tank. Flushing with chemicals is done 2-3 times a year and it is not necessary to remove the membrane modules from the pool. Very high quality of purified water which enables its re-application for e.g. irrigation, washing, flushing toilets ... The main advantages of using our MBR technology systems: high degree of water purification (removes bacteria and part of virus from water!) that can be reused (third degree of purification) resistant to hydraulic shocks and load variations biomass concentration, in this case, in the reactor it is 10-12 g / l, it tolerates 14-15 g / l very well, and for shorter periods up to 20 g / l (for comparison in the SBR reactor it is 4-5 g / l and cannot be changed) therefore the MBR reactor is smaller the sludge from the MBR reactor is stabilized, mature (20-26 days old sludge), so it does not need to be further processed to be disposed of MBR is a very simple system consisting of biological treatment and microfiltration! Our MBR systems meet very stringent requirements for achieving the quality of reusable purified water by: World Health Organization, EU Bathing Water Directive, State of California-Tittle 22 It has one of the strictest and most demanding certificates in the world for the re-application of purified water: < 0,2 NTU 5% 24hours < 0,5 NTU always.  

 

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