02131 77 66 0036 anka@anka-gmbh.de

Siloxane Removal Systems

What Are Siloxanes?

Siloxane is a compound found in biogas originating from domestic solid waste and wastewater treatment sludge.

It is formed as a result of biodegradation of personal care products such as toothpaste, deodorant, hair cream, skin care products and especially cosmetics and detergent wastes.

When siloxane compounds are burned at a high temperature in the combustion chamber of the gas engine, they are converted into silicon dioxide (SiO2) and accumulate engine parts, especially in the combustion chamber. Accumulation of siloxane in engine parts causes engine damage and decreases production efficiency.

Damages Caused By Siloxanes

Silicon dioxide accumulated in the gas engine damages various parts of the engine such as pistons, cylinder heads, and valves and shortens the life of spark plugs, engine oil, and oil filters. As a result, the maintenance frequency of the engine increases, energy cycle losses occur, and spare parts consumption increases.

Additionally, as a result of the insulating effect of the silicon dioxide covering the thermocouple and knock sensors, the optimal values of the fuel/air ratio of the engine deviate as a result of incorrect values. Therefore, engine efficiency decreases, and emissions increase. In addition, as a result of the failure of the electronic systems that protect the engine from excessive temperature and knocking, heavy damages occur to the gas engines.
Engine Parts Operated With Non Filtered Gas Engine Parts Operated With Filtered Gas

Our Solution

The Siloxane Removal System (SGS), which started as an R&D project supported by the Ministry of Industry, has become a regenerative system that eliminates the need for gas analysis and ensures the continuity of the fuel, which is considered a clean gas. The selective properties of the filter materials used in the Siloxane Removal System both provide an effective purification process and prevent practically impossible applications such as continuous analysis and frequent material change. Thanks to its modularity, the system, which can be easily scaled according to any capacity, has a very low load loss, which is very important for long-term energy savings.

ANKA Siloxane Removal System basically consists of two tanks containing the filter material used in siloxane removal. These tanks work sequentially. When the siloxane removal capacity of one tank is full, the system automatically activates the other tank, while the tank saturated with siloxane is regenerated and made usable again. Thus, clean gas can be supplied to the engines without interruption.

Siloxane Removal System provides 100 % success in the purification of gas streams with intense pollutants such as landfill gas in terms of meeting the performance criteria given by engine manufacturers and guarantees the continuity of these criteria in the light of both purified gas and oil analysis.

As the advantages of ANKA- Siloxane Removal System, the following items can be counted: The material change times are certain and it is guaranteed on the basis of both gas and oil analyses for these periods; the system does not bring additional labor to the facility during its operation; the treatment process continues uninterruptedly; the system is modularly produced according to the needs of the customers.

PRODUCT FEATURES

  • Ability to work fully automatically with PLC without requiring operator intervention.
  • Special safety PLC for system safety
  • Additional sensors and safety covers for system safety
  • Low maintenance cost
  • Compliance with ATEX and CE directives
  • Fail-safe system

Our Product Portfolio

Model Approximate Dimensions Max. Gas Flowrate Approximate Weight
SGS-300 1.9m E x 3.5 m B x 3.6m Y 300 Nm3/h 1200 kg
SGS-700 2.1m E x 4.2m B x 4.6m Y 700 Nm3/h 2200 kg
SGS-1400 2.3m E x 4.5m B x 4.9m Y 1400 Nm3/h 3100 kg
SGS-2800 2.5m E x 4.9m B x 5.5m Y 2800 Nm3/h 5300 kg
Product Catalogue
All Projects

Economic Gains and Savings

As a result of the establishment of the Siloxane Removal System, profits are obtained in many cost items at the facilities.
  • MAINTENANCE

    Overall maintenance costs

    13.000
    $ / MW / Year
  • SPARE PART

    Spare parts replacement costs

    56.500
    $ / MW / Year
  • PRODUCTION LOSS

    Production loss during the head reconditioning and unexpected failures causing stoppage

    21.500
    $ / MW / Year
  • POWER LOSS

    Power loss of the engine due to siloxane deposition resulting in knocking and wearing in gas engines

    51.000
    $ / MW / Year

Calculate Your Earnings

  • Installed Power of Gas Engine

    Total Number of Machines

    Electricity sales price

  • Current head cleaning hour ( must be greater than the first load reduction hour)

    The time from the first moment the engine stops for head cleaning to its re-starting

  • Cost of materials used in head cleaning

    Head cleaning Labor cost

    Machine downtime due to malfunction in 20,000 hours

  • Number of spark plug failures per engine in 20,000 hours

    Spark plug unit price

    Number of replacement parts per engine in 20,000 hours

  • Total cost per engine of parts used in each replacement

    Current engine oil consumption

    Oil unit price

  • Hour of the first load drop of the motor before head cleaning ( must be less than the time until head cleaning)

    Last load of engine before head cleaning

  • Profit from Head Cleaning

    0 $

  • Profit from Low Oil Consumption

    0 $

  • Profit from Siloxane-induced Downtime Reduction

    0 $

  • Profit from Reduction in Spark Plug Cost

    0 $

  • Profit from Reduction in Piston, Liner, Cylinder Head, Bearing Replacement Cost

    0 $

  • Profit Obtained Due to Decreased Frequency of Low-Load Operations

    0 $

  • Total Profit

    0 $

  • Total Operating Cost

    0 $

  • Net Profit (S1)

    0 $