

Hiller GmbH
About us
Hiller GmbH is a world-leading manufacturer of decanter centrifuges and a specialist in the construction of turnkey plants solid/liquid separation. From application-specific customized solutions through to cost effective serial production – Hiller sees itself as a supplier of made-to-measure solutions that fulfill our customers’ requirements in the optimum way.
Hiller is an innovative company with state-of-the-art production facilities and continuous developments of manufacturing processes. As a matter of course, we utilize the latest tools across all project stages, from design to planning and project management to production.
Founded in 1971 by Hiller Snr., Hiller is a medium-sized German (Bavaria), family run company. With over 50 years of experience in developing and manufacturing decanter centrifuges and turnkey plants, we guarantee the highest possible product quality.
Since 2018 Hiller GmbH is a member of the Swiss Ferrum Group.
Products

Decanter Centrifuges
The HILLER DecaPress series has always been characterized by a rigid and stable running and highest possible separation results. All sizes of the DecaPress reach high throughputs with significantly reduced flocculant consumption. This leads to a very high economic efficiency which applies for all HILLER decanter centrifuges. After successful launch into the market of the sizes up to 570 mm bowl diameter HILLER now also has implemented the new design in the tried and tested and well-established types of series up to 760mm. Advantages of the new HILLER DecaPress series: - even higher solids discharge - maximum economic efficiency - simple to operate and high degree of automation - easy maintenance and service Easy to Service and Maintain External scroll drive (hydraulics or transmission) ensures geniality in service. By a global network and individual service spare parts packages we ensure outstanding customer service at a fair price. The HILLER DecaPress is produced according to customer's requirements in different designs, eg the decanters in ATEX design, two or three-phase machines with or without skimming disc. We are also happy to deliver turn-key compact plants suitable for your separation tasks.

Hiller DecaSmart
The newly developed DecaSmart compact system series is ready for use immediately for your separation task. HILLER compact units for dewatering, can be put to work on your separation task straight away. In order to be able to offer an optimal solution for different throughput volumes, a DecaSmart of the decanter size DP31 is offered in addition to the current HILLER DecaSmart DP45N. The most significant advantages of the new, compact decanter series, among others, the quick availability for the operator, the simple plug and play integration into the running operation, as well as the attractive price with low operating costs. All process-relevant units are optimally matched to each other and are controlled and monitored via the integrated, user-friendly HILLER switchgear. HILLER systems have always stood for high operational reliability and long service and maintenance intervals. All units and measuring instruments are obtained exclusively from reputable companies with a focus on a long lifetime and maximum operational safety. Advantages: - no planning costs - one contact person - defined, standardised interfaces - easy plug and play integration into the process - low acquisition costs - low space requirement - rapid availability and operational readiness - fast maintenance and spare parts supply - simple handling - mobile applicable

Hiller decanters for sludge thickening and disintegration
General process concept: To achieve an ideal consistency in the raw or mixed sludge prior to the digestion, as a general rule the excess sludge is mechanically thickened before mixing with the primary sludge. The excess sludge thickening reduces the amount of sludge fed to the digestion tank. This yields considerable energy savings and better use of the digestion system, as well as longer retention times in the digestion process. This results in further reduced digested sludge quantities as well as improved dewatering properties thereof. Decanters for thickening are not designed according to the classical counter current principle, but according to the direct current principle. Thanks to this design, the suspension passes through the entire length of the centrifugal chamber in the direction of the discharge. The centrate water runs through channels in the direction of the weir openings. The result is a very long clarification section and thus minimal or no polymer as well as achieving the highest separation efficiencies. Hiller Lysate technology: The HILLER lysate device is attached in the area of the sludge discharge openings and uses the existing kinetic bowl energy. The disintegration effects in the thickened waste activated sludge (WAS) are mainly caused by impact and shear forces generated by the knife blades rotating at high circumferential velocity in the labyrinth and the lysing chamber. The WAS disintegration is carried out in the full flow of the thick sludge that has entered the lysate device; no lysate enters the separated centrate water. Advantages: - Viscosity reduction and better pumping properties at high thickening degrees - Cell disruption increase resulting in an increased degradation of the organic share - Gas yield increase - Improved dewatering behavior

DecaTec
Hiller proudly presents its new DecaTec series. This is based on decades of experience gained in our various industries, combined with a commitment to create a model without compromise, specifically for the high demands of the industry. Each decanter is customised with individual features and produced in the production halls in Vilsbiburg. Hiller GmbH relies on a process engineering approach that enables the highest qualitative and quantitative separation and guarantees maximum yield and solids dryness. The outstanding features of the DecaTec series include - 2- and 3-phase separation - high temperature design - gas-tight construction - hygienic design - corrosion prevention by design - Adjustable peel disc These are just some of the many advantages that the new DecaTec series has to offer. The mission goes beyond providing decanters; Hiller offers complete solutions for its customers. From planning to implementation, the customer is supported to ensure safe and economical operation of the systems.
