Screw presses
Pulp and Paper Industry
Description
With our unique technology and various adaptive features of our hard facing alloys we can enhance the lifetime of screw presses.
Manufacturer/ Producer
8781 Wald Am Schoberpas - Austria
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Application Dewatering and compacting of sieving residues play an important role in water, waste water and waste treatment not only regarding reduction of costs for disposal and handling. Frequently, residues and recyclable fractions are dewatered and further compacted within production inherent processes. Furthermore, dewatering systems have the additional effect to transport the material from the source of origin to the place of disposal. PWL screw presses and PWL spiral presses meet these challenges to all intents and purposes and allow for an optimal benefit at a small footprint. The way of dewatering and conveying as well as the characteristics of the medium determine to a great extend the choice of the suitable equipment. Compared to the shaftless spirals which reliably convey large and long-fibrous pieces and are robust towards clogging, screw presses achieve higher dewatering results with the same size. Function The material to be dewatered passes a hopper or an upstream...
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(Caustic Soda Flakes 98%) : Aqueous solution of sodium hypochlorite in demineralized/decalcified water, obtained from the reaction between chlorine gas and an aqueous solution of sodium hydroxide, both substances obtained with mercury-free membrane technology. Properties and applications production of hard soap, cleaning agents, exfoliating masks cleaning and disinfection in animal husbandry and bee-keeping obtaining aluminum in the steel and metallurgy industries pharmaceutical and chemical industry paper production in the pulp and paper industry refining of crude oil and mineral oils in the petrochemical industry industrial cleaning pH regulation in water treatment processes raw material in the production of pigments and dyes for paints Other chemical specifications formula NaOH CAS number1310-73-2 WE number215-185-5 Molar mass40 g/mol ADR UN1823 physical properties pH12,4 Melting / freezing point- 9°C (roztwór 7,5 %) Relative density2,12-2,13 g/cm3 (> 98,5 %)
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