China Bente Industry Group logoCHINA BENTEINDUSTRY GROUP
Menu
China Bente Industry Group

How Can a Small City Turn Its Waste Site Into One Working Facility?

How a small city can turn a dump site into one integrated waste facility: sorting, leachate treatment, RDF or biogas, and energy savings of 25% or more.

Many towns of 50,000 to 300,000 people handle waste the same way: trucks unload at an open site, some material is picked by hand, and the rest is buried or burned. Leachate runs off, odor spreads, and nothing is measured.

Buying a sorting line alone rarely fixes this. The site needs sorting, water treatment, an outlet for the residual fraction, and energy control, designed together from the start.

What usually goes wrong when each part is bought separately?

  • The sorting line is sized for peak tonnage, but nobody planned where the organic fraction goes.
  • Leachate treatment is added later, after the permit authority complains, and is sized by guesswork.
  • RDF or compost is produced without a buyer or a quality specification.
  • Power, diesel and water use are never metered, so operating costs stay hidden.

Each supplier delivers its own part. The gaps between parts become the operator's problem.

Which of the six areas apply to a small-city waste site?

Area Role on the site Key data we need
Waste Recycling Reception, bag opening, screening, manual/mechanical/optical sorting, baling Daily tonnage, seasonal peaks, waste composition
Difficult Wastewater Leachate and washing water treatment, reuse where possible Leachate volume and analysis, discharge limits
Renewable & Clean Energy RDF for cement kilns or boilers, or biogas from the organic fraction; rooftop solar Local RDF buyers, organic share, roof area, load profile
SMART Solutions Weighbridge data, line status, energy and water use on one screen Existing weighbridge, reporting needs
Factory Modernization Upgrading an existing site instead of starting from zero Current equipment, buildings, utilities
Turnkey Factory EPC One contract for design, supply, installation and commissioning Site plan, permits, schedule

What does the combined process look like?

Waste trucks → Weighbridge (data to SMART screen)
      → Reception & bag opening → Trommel screen
            ├─ Fines / organics → Composting or anaerobic digestion → Compost / biogas → site heat or power
            ├─ Recyclables → Manual / mechanical / optical sorting → Balers → Sale
            └─ Residual light fraction → Shredding → RDF → Cement kiln or industrial boiler
Leachate & washing water → Treatment → Reuse for washing / dust control, or compliant discharge
Power, water, diesel → Metering → SMART energy dashboard

Where does the 25%+ saving come from?

This is the part most waste-plant suppliers leave out. On a combined site, we start with metering, then cut energy and emissions where the data shows waste:

  • Energy saving: motor and drive selection, conveyor and fan control by actual load, compressed-air leak control, and night-shift lighting control. The target is 25% or more against the measured baseline, and older sites often save more.
  • Monitoring: power, water and diesel consumption per tonne processed, shown on one screen next to line throughput. Operators see which section uses what.
  • Green energy: biogas from the organic fraction, or rooftop solar with storage, sized from metered load rather than guesses. RDF can replace part of the fuel used by a local cement plant or boiler.
  • Emission reduction: less open burning, less landfilled organic waste, and controlled leachate.

We do not promise a fixed percentage before a baseline audit. The audit comes first, the figure follows.

How do you start without over-investing?

Build in phases. A common order is:

  1. Weighbridge, metering and leachate control: low cost, immediate compliance benefit.
  2. Reception and basic sorting: recover the high-value recyclables first.
  3. Organic treatment and RDF line: once tonnage and buyers are confirmed.
  4. Solar and energy optimisation: sized from one season of metered data.

On a reference project in Venezuela, we designed and supplied a 200 t/d MSW sorting system. The same approach of measuring first and then sizing applies to smaller towns.

What data should you send us?

  • Daily waste tonnage and seasonal peaks
  • Waste composition (organic, plastic, paper, metal, glass, inert), even if estimated
  • Site plan and existing equipment
  • Leachate volume or rainfall data, and local discharge limits
  • Power supply available and current energy bills
  • Possible buyers for recyclables, RDF or compost

FAQ

Can a small city afford an integrated waste facility?

Yes, if it is built in phases. Metering, leachate control and basic sorting come first. Organic treatment and RDF lines are added once tonnage and buyers are confirmed.

Is RDF or biogas better for the residual fraction?

It depends on the waste. High organic content favours composting or biogas. A dry, high-plastic residual favours RDF, but only if a cement plant or boiler nearby will accept it.

How much energy can a waste site save?

The target is 25% or more of the measured baseline, and older sites often save more. The exact figure is confirmed after a baseline audit.

Do we need optical sorting?

Not always. Many small sites start with manual and mechanical sorting, and add optical sorting when tonnage and product prices justify it. See our guide on manual or automated MSW sorting.

Can you upgrade an existing dump site instead of building a new one?

Yes. Many projects start from an existing site: we survey the equipment, buildings and utilities, then plan the upgrade in phases.