Rispri LabsENGINEERING A CIRCULAR FUTURE

RESOURCE RECOVERY AND WASTE TO VALUE / 11

Ready: level 6 of 9Working model tested in real conditionsTown or market yard

Compost from water hyacinth.
Clear the lake and sell the compost.

Water hyacinth covers the lake, and the weed pulled out rots on the bank. The weed and other plant waste are composted quickly in closed pits into rich manure for soil.

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WATER TREATMENT MATERIALS MADE FROM WASTEDelivered by Rispri Labs
Water treatment materials made from waste
Water treatment materials made from waste

What it achieves

The key numbers.

1 to 10 t/day

plant size.

5 years

payback.

Compost

sold as soil conditioner.

Problem and fix

The problem this solves.

  1. 01
    The problem

    Water hyacinth covers the lake, and the weed pulled out rots on the bank.

    How it is fixed

    The weed and other plant waste are composted quickly in closed pits into rich manure for soil. Selling the manure pays for the plant.

How it works

Step by step.

  1. 1

    Remove

    Water hyacinth is pulled from the lake.

  2. 2

    Compost

    It is composted quickly in closed pits.

  3. 3

    Sell

    Rich soil conditioner is sold.

Key features

Why it works well.

1 to 10 tonnes a day. Pays back in about 5 years.

  • Pays for itselfCompost sales pay back the plant.
  • Cleaner lakesWeed is removed and used.
  • Any plant wasteWorks for market and farm waste too.

At a glance

The details.

Capacity1 to 10 tonnes a day
Indicative plant costAbout INR 10 lakh
PaybackAbout 5 years
Ready levelLevel 6 of 9 (working model tested in real conditions)
ScaleTown or market yard

Costs are indicative and change with your water, site and plant size. We confirm them after testing a sample.

Where it is used

Who it is for.

  • Lake authorities
  • Market yards
  • Towns

Questions

Frequently asked questions.

Is this technology proven?

Yes. It is at ready level 6 of 9, which means: working model tested in real conditions. 1 to 10 tonnes a day. Pays back in about 5 years.

Can we try it on our own water first?

Yes. We test a sample in our NABL-accredited lab and, where it helps, run a small trial on your site before you invest in a full plant.

Do you supply and install it?

Yes. We design, supply, install and start up the system, train your staff, and our lab checks the treated water.

Water treatment materials made from waste

Ready: level 6 of 9Alum from aluminium wasteAluminium units dump their dross (waste), while water plants buy alum.Ready: level 7 of 9Natural water clearing powder from moringa seedsChemical water clearers leave residue and add to sludge.Ready: level 7 to 8 of 9Activated carbon from rice husk and jute wasteActivated carbon for water filters is costly and often imported.Problem guideZLD Salt Piling UpYour ZLD plant solved the water problem. Now you have a salt problem. Here is how to fix it.

THE NEXT STEP

Fix it on
your own site.

Send us a water sample or a test report. We will check it, confirm this method fits and tell you what it costs to run.

Discuss your problem
THIS SEGMENTResource recovery and waste to valueALL TECHNOLOGIESAll proven technologies