Com­pact Depack­ing Plant

Short Project Description

David­son Envi­ron­men­tal, a waste man­age­ment com­pa­ny, col­lects food-waste from restau­rants and out­dat­ed pack­aged food from retail stores in Ontario. The waste is col­lect­ed in 600l box­es. At David­sons facil­i­ty it is pre­pared for recy­cling in a bio­gas plant using a FIN­STER­WALDER com­pact depack­ing plant. The waste is dumped into a hop­per, coarse­ly preshred­ded with a 4-shaft shred­der and dis­trib­uted to the two BS20 sep­a­ra­tion press­es. The fill­ing of the press­es is sup­port­ed by two fill­ing devices. By squeez­ing hard com­po­nents larg­er than 12 mm (main­ly non-fer­mentable impu­ri­ties) are sep­a­rat­ed from organ­ic sub­strate, which is loaded into a truck by two pis­ton pumps KP10. The impu­ri­ties are pushed into a con­tain­er and trans­port­ed off site. The process does not require any addi­tion­al liq­uid, and the ener­gy con­tent of the organ­ics per m³ is cor­re­spond­ing­ly high. The through­put of the plant is approx. 8-10m³/h. The plant was pre-assem­bled in Ger­many and deliv­ered in 3 parts in a sea container.

Inte­grat­ed FIN­STER­WALDER Technology

1x com­pact prepa­ra­tion plant KA01 con­sist­ing of:

  • Receiv­ing hop­per with screw conveyor
  • shred­der 4-shaft
  • 2 x press fill­ing device
  • 2 x sep­a­ra­tion press BS20
  • Hydraulic pow­er unit for two sep­a­ra­tion presses
  • 2 x pis­ton pump KP10 with hydraulic pow­er pack
  • Steel con­struc­tion and platforms
  • 2 x switch cab­i­net and con­trol system


Waste Treat­ment Process

Flow Sheet in Detail

At David­sons facil­i­ty the fill­ing of the receiv­ing hop­per is done by a fork­lift truck. Up to six 600l box­es can be emp­tied into the hopper.

The 4-shaft shred­der with 2×11 kW con­nect­ed pow­er is fed via a 400mm spi­ral con­vey­or. The blades open the pack­ag­ing and coarse­ly pre-shred the waste.

Below the shred­der, the mate­r­i­al is dis­trib­uted into the sep­a­ra­tion press­es via the two press fill­ing devices. In each press fill­ing unit, three con­vey­or screws push the waste into a sep­a­ra­tion press to ensure good fill­ing and high throughput.

The two BS20 sep­a­ra­tion press­es installed side by side sep­a­rate the organ­ics from the impu­ri­ties via a 12mm screen. The impu­ri­ties are pushed out through a DN200 pipe to the front into a con­tain­er. The organ­ic mat­ter flows down­wards and col­lects in a trough.

The press­es are dri­ven by a 30 kW hydraulic pow­er pack with two axi­al pis­ton oil pumps. The pow­er unit is locat­ed on a steel plat­form and was com­plete­ly piped and pre-assem­bled in Germany.

The two pis­ton pumps KP10 togeth­er con­vey 9 m³/h organ­ic mat­ter <12mm with a max­i­mum of 6 bar deliv­ery pres­sure via a DN100 pipe into a truck. These pumps are each dri­ven by a 5.5 kW hydraulic pow­er packs. 

The plant is con­trolled via two con­trol cab­i­nets. These are locat­ed direct­ly at the plant. The plant runs in auto­mat­ic mode and can be ser­viced via a remote main­te­nance router.

Lat­est news

Kick-off Entsorgungs­be­triebe Lübeck

Project start and kick-off meet­ing at Entsorgungs­be­triebe Lübeck for the new con­struc­tion of a pro­cess­ing tech­nol­o­gy for food waste! Dur­ing this vis­it, those involved in the project were able to get to know each oth­er bet­ter and ini­tial goals, mile­stones and other...

Fin­ster­walder Umwelt­tech­nik now on Youtube

On this chan­nel videos are pub­lished, which show solu­tions as well as infor­ma­tion about our process­es and indi­vid­ual com­po­nents in the field of bio­gas tech­nol­o­gy. Just have a look and subscribe! 

MB con­nect line User Conference

Net­work­ing, exchange of know-how among the par­tic­i­pants, accom­pa­nied by tech­ni­cal pre­sen­ta­tions and user reports - that is the goal of the MB con­nect line user con­fer­ence! On board are cus­tomers from mechan­i­cal and plant engi­neer­ing and build­ing automa­tion as well as...

Inter­est­ing Suc­cess Sto­ry from MB con­nect line

Dig­i­tal­iza­tion for process opti­miza­tion of bio­gas plants with remote access and IOT appli­ca­tion from MB con­nect line: Con­tin­u­ous mon­i­tor­ing of mea­sured val­ues dur­ing ongo­ing oper­a­tion allows con­clu­sions to be drawn about the plant and process sta­tus via remote...

Start of con­struc­tion work at Vil­la Avo­ca­do, Mexico

Work has start­ed on the con­struc­tion of a plant with a capac­i­ty of 650 cubic meters raw bio­gas per hour! The Mex­i­can com­pa­ny, based in Guadala­jara, is a world leader in the pro­duc­tion of avo­ca­do oil and the devel­op­ment of avo­ca­do prod­ucts. In the man­u­fac­tur­ing of...

Report on the com­pact depack­ag­ing plant

Bio­enger­gy Insight 1st issue with focus on Europe. We are pleased to see the inter­est­ing arti­cle on the real­iza­tion of the Fin­ster­walder com­pact treat­ment plant at David­son Envi­ron­men­tal, Cana­da. Read the whole arti­cle: You can find even more inter­est­ing reports and...

Vis­it us on Linkedin

Here you will find reg­u­lar­ly inter­est­ing infor­ma­tion and solu­tions about anaer­o­bic diges­tion of organ­ic waste. Fol­low us!

Expan­sion of the project in Lana/Bolzano

For the anaer­o­bic diges­tion plant in Lana/Bolzano, which has been in oper­a­tion since 2007, an expan­sion and mod­ern­iza­tion was decid­ed in 2018. The design and imple­men­ta­tion of the con­ver­sion by Fin­ster­walder Umwelt­tech­nik into an inno­v­a­tive mod­el plant was...

Coro­na cri­sis: We are still here for you!

We can also be reached dur­ing Coro­na times. The safe­ty and health of our cus­tomers and employ­ees has absolute pri­or­i­ty in times of the Coro­na cri­sis. Due to flex­i­ble work solu­tions, we con­tin­ue to work in the office and part­ly in the home office. As usu­al, you can...


Lec­ture: Inno­v­a­tive small-scale bio­gas plant

At the 9th Annu­al Con­fer­ence "Con­struc­tion and Oper­a­tion of Com­mer­cial Kitchens and Com­pa­ny Cater­ing 2023", every­thing will revolve around trends and effi­cien­cy in the sec­tor. As part of the exten­sive pro­gramme, Dr. Michael Meir­er, Rhein­tal­gas Asso­ci­a­tion, and Tobias...

Pol­lutec 2023 in Lyon

From 10 to 13 Octo­ber 2023, the envi­ron­men­tal and ener­gy solu­tion show will take place again in Lyon, and we will be there at the joint stand of Bay­ern Inter­na­tion­al. We look for­ward to inter­est­ing dis­cus­sions and per­son­al con­tacts! Mark your cal­en­dar now!...


On Novem­ber 8 this year's  ECOMON­DO The green Tech­nol­o­gy Expo starts in Rim­i­ni. We will be there, at the joint booth of Bay­ern Inter­na­tion­al. We are look­ing for­ward to inter­est­ing con­ver­sa­tions and per­son­al con­tacts! You will find us in hall 5, block 71....

Pre­sen­ta­tion at the Hach Waste­water Sym­posia 2022

On 20.09.2022 in Ben­sheim and 11.09.2022 in Munich, Dipl.-Ing. Tobias Fin­ster­walder will give a pre­sen­ta­tion on "Con­tin­u­ous sed­i­ment dis­charge from digesters dur­ing oper­a­tion" as part of the Hach Waste­water Sym­posia. Fur­ther infor­ma­tion at

IFAT Munich 2024

After a 3-year break, IFAT 2022 was the per­fect event to wel­come our cus­tomers and inter­est­ed guests at our booth at the world's lead­ing trade fair for water, sewage, waste and raw mate­ri­als man­age­ment. We are now already look­ing for­ward to IFAT 2024. From 13 - 17 May...


BIO­GAS # HANDS ON Online Train­ing of IBBK BIO­GAS from Feb­ru­ary 22 to March 15, 2022. The "pro­Bio­gas Inter­na­tion­al" pro­gram is divid­ed into 14 mod­ules. With­in the frame­work of the mod­u­lar online cours­es and inter­ac­tive work­shops, expe­ri­enced bio­gas experts will impart...

AHK busi­ness trip USA

From the 23rd to the 27th of Sep­tem­ber the AHK busi­ness trip will take place in the west (Cal­i­for­nia, Sacra­men­to) and south (Flori­da) of the USA. Here Ger­man com­pa­nies have the oppor­tu­ni­ty to inform them­selves about the mar­ket poten­tial in the field of bioen­er­gy in...


The BIO­GAS # HANDS ON Train­ing of IBBK BIO­GAS takes place from 07.05.2019 to 15.05.2019. This 7-day train­ing is IBBK's pre­mi­um course. The many years of expe­ri­ence of the Ger­man bio­gas experts in the con­text of this train­ing allows the world­wide trans­fer of knowledge...
[maps­mark­er layer="1"]
Cookie Consent with Real Cookie Banner