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Agro Pulp

Wheat Straw Pulp Mill Machinery

Wheat Straw Pulp Mill Machinery — Turnkey Solution by Rajshree India

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Rajshree Group supplies complete turnkey Wheat Straw Pulp Mill Machinery for paper mills seeking sustainable raw materials. Wheat straw is widely available across India, the Middle East, and North Africa, making it an ideal alternative fibre source.

Product Overview

Our systems process wheat straw into quality pulp for writing, printing, newsprint, and packaging grades.

Key Features

  • Straw dry depithing and cleaning system
  • Bale breaker and straw preparation system
  • Soda pulping in rotary or vertical digesters
  • Washing system for straw pulp
  • Silica and alkali management system
  • ECF bleaching plant
  • Black liquor evaporation and recovery
  • Zero liquid discharge effluent system

Applications

  • Writing and offset paper
  • Newsprint base paper
  • Tissue and facial
  • Corrugating medium
  • Packaging board grades

Our Turnkey Project Process

1
Consultation & Feasibility
We understand your requirements, site conditions, and budget to prepare a detailed feasibility report.
2
Engineering & Design
Complete process design, P&IDs, civil layout, electrical single lines, and equipment specifications.
3
Manufacturing & Supply
In-house and vendor-sourced equipment manufactured, quality-inspected, and dispatched on schedule.
4
Installation & Commissioning
Our engineers supervise erection, electrical, instrumentation, and commission the plant to design parameters.
5
Training & After-Sales Support
Hands-on operator training, performance guarantee trial, and ongoing technical support for the life of the plant.

Technical Specifications

Raw MaterialWheat Straw
Capacity15 – 120 TPD
ProcessSoda / Neutral Sulphite
Ash Content4 – 8% (managed)
Pulp Yield40 – 48%
Brightness72 – 84% ISO (bleached)
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Tell us your capacity requirement and we'll send a detailed technical and commercial proposal within 48 hours.

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Contact Our Experts

📞+91 87996 27889 📞+1 (219) 256-9887 ✉️sales@rajshreeent.com
📍🏢 Head Office: 60, Swapnil-2 Industrial Park, Kuha, Ahmedabad - 382433, Gujarat, India |
📍 Branch Office: 1913 Gunbarrel Road, Suite 105 Chattanooga, TN 37421, USA |
📍 Branch Office: D7, Varsity Chateau, Uniport Road Aluu, Port Harcourt, Rivers State, Nigeria |

Why Choose Rajshree?

  • 20+ years industry experience
  • 22+ successful projects delivered
  • Serving India, Africa & Middle East
  • Complete turnkey — single point responsibility
  • After-sales support and spare parts
  • Competitive pricing and financing options

Wheat Straw Pulping: North India's Most Accessible Non-Wood Fibre Resource

India produces over 100 million tonnes of wheat annually across Punjab, Haryana, Rajasthan, and Uttar Pradesh — generating a nearly equivalent volume of wheat straw. Like rice straw, the majority of this straw is field-burned after harvest, contributing to the severe air quality crises that affect northern India every October and November. Rajshree Group's wheat straw pulp mill technology converts this agricultural residue into commercial-grade paper pulp — providing paper manufacturers in the Indo-Gangetic belt with the most cost-accessible non-wood fibre available anywhere in India.

Wheat straw fibres are shorter than wood fibres (0.8–1.2 mm vs 1.0–1.5 mm for hardwood) but produce pulp with excellent printability and good opacity — properties that are highly valued in the writing and printing paper segment. Wheat straw pulp mills in northern India typically blend 60–80% wheat straw pulp with 20–40% longer-fibre bagasse or wood pulp to achieve the mechanical strength profile required for commercial paper grades. Rajshree designs all wheat straw pulp systems with this blending requirement in mind.

The key technical challenges of wheat straw pulping — high silica content, rapid drainage after cooking, and difficult soda recovery — are all areas where Rajshree has developed specific engineering solutions refined across multiple commissioned wheat straw mills in Haryana and Punjab. Our soda recovery design for wheat straw specifically manages the silica-enriched black liquor through a dedicated precipitation and removal step before the main evaporator train, preventing the catastrophic silica scaling that has plagued less carefully designed wheat straw recovery systems.

🌾 Seasonal Straw Management

Wheat straw is available for collection only 4–6 weeks after the April–May harvest. Rajshree designs straw storage systems with 90–120 day covered inventory capacity — enabling year-round mill operation from a single season's collection. Covered bale storage prevents moisture pickup and fungal degradation that reduces pulping yield in open-stored straw.

Frequently Asked Questions

Yes. Wheat straw is one of the most important non-wood raw materials for paper making globally, extensively used in China, Egypt, Turkey, and India. Bleached wheat straw pulp achieves 72–80% ISO brightness and is suitable for newsprint, writing paper, tissue, and specialty grades. The main technical challenge is high silica content (6–12%), requiring special process design.
Wheat straw silica (as SiO₂) dissolves in alkaline cooking liquor forming sodium silicate, which precipitates as scaling on evaporator heating tubes, drastically reducing heat transfer and throughput. Rajshree addresses this with hot water pre-extraction of straw (removing 30–40% of silica before cooking), wide-gap falling-film evaporators, black liquor desilication, and robust CIP cleaning systems.
Bleached wheat straw pulp (brightness 72–80% ISO, CSF 350–500 ml) is suitable for newsprint, writing and printing paper, tissue, and specialty grades. Unbleached wheat straw kraft pulp is used for wrapping paper and packaging board. Wheat straw pulp is commonly blended with wood pulp at 30–60% substitution to improve paper strength and machine runnability.
In India, wheat straw costs INR 1,500–2,500 per tonne (field price) versus imported wood pulp at INR 45,000–60,000 per tonne. Even accounting for lower pulp yield (35–42% from straw vs. 42–48% from wood) and higher processing costs, wheat straw pulp costs 40–60% less per tonne than imported market pulp — a major competitive advantage for Indian paper mills.
Rajshree supplies wheat straw pulp mills from 10 TPD to 150 TPD, matched to the local straw availability and market demand. For Punjab, Haryana, and UP markets with abundant wheat straw, a 50–100 TPD mill is practical with a straw procurement radius of 50–100 km. Rajshree provides complete straw collection, baling, transport, and storage system design.

Countries We Serve

Rajshree Group supplies and installs our Wheat Straw Pulp Mill Machinery — and complete pulp & paper mill machinery — for mills across India, Africa and the Middle East, with sea-freight delivery, on-site erection, commissioning and after-sales support in every market we serve.

IndiaNigeriaKenyaGhanaSouth AfricaEgyptTanzaniaUgandaSaudi ArabiaUAE

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