| 摘要 |
<p>A combustible fuel is made from vegetable matter recovered from rubbish after isolation from other materials such as metals, rubbers, plastics, glass or any painted or varnished material. The vegetable matter is minced, hydrolised by boiling water, filtered off, placed in moulds and dried using hot air. Opt. a binder is added between the filtering and moulding stages: the binder may be resin, plaster or cement based. Typically blocks of 400 x 400 x 30 mm size are moulded from treated waste grass or wood with approx. 25-90% efficiency respectively. Process is also claimed for preserving vegetable materials for animal feedstuffs by cleaning, paring, boiling; crushing; placing in mould; and drying.</p> |
